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3 |
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4 |
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5 |
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6 | 'use strict';
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7 |
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8 |
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9 |
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10 |
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11 | const assert = require('assert');
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12 | const util = require('util');
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13 | const async = require('async');
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14 | const utils = require('./utils');
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15 | const i8n = require('inflection');
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16 | const defineScope = require('./scope.js').defineScope;
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17 | const g = require('strong-globalize')();
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18 | const mergeQuery = utils.mergeQuery;
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19 | const idEquals = utils.idEquals;
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20 | const idsHaveDuplicates = utils.idsHaveDuplicates;
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21 | const ModelBaseClass = require('./model.js');
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22 | const applyFilter = require('./connectors/memory').applyFilter;
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23 | const ValidationError = require('./validations.js').ValidationError;
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24 | const deprecated = require('depd')('loopback-datasource-juggler');
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25 | const debug = require('debug')('loopback:relations');
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26 |
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27 | const RelationTypes = {
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28 | belongsTo: 'belongsTo',
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29 | hasMany: 'hasMany',
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30 | hasOne: 'hasOne',
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31 | hasAndBelongsToMany: 'hasAndBelongsToMany',
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32 | referencesMany: 'referencesMany',
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33 | embedsOne: 'embedsOne',
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34 | embedsMany: 'embedsMany',
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35 | };
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36 |
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37 | const RelationClasses = {
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38 | belongsTo: BelongsTo,
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39 | hasMany: HasMany,
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40 | hasManyThrough: HasManyThrough,
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41 | hasOne: HasOne,
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42 | hasAndBelongsToMany: HasAndBelongsToMany,
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43 | referencesMany: ReferencesMany,
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44 | embedsOne: EmbedsOne,
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45 | embedsMany: EmbedsMany,
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46 | };
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47 |
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48 | exports.Relation = Relation;
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49 | exports.RelationDefinition = RelationDefinition;
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50 |
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51 | exports.RelationTypes = RelationTypes;
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52 | exports.RelationClasses = RelationClasses;
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53 |
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54 | exports.HasMany = HasMany;
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55 | exports.HasManyThrough = HasManyThrough;
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56 | exports.HasOne = HasOne;
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57 | exports.HasAndBelongsToMany = HasAndBelongsToMany;
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58 | exports.BelongsTo = BelongsTo;
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59 | exports.ReferencesMany = ReferencesMany;
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60 | exports.EmbedsOne = EmbedsOne;
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61 | exports.EmbedsMany = EmbedsMany;
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62 |
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63 | function normalizeType(type) {
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64 | if (!type) {
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65 | return type;
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66 | }
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67 | const t1 = type.toLowerCase();
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68 | for (const t2 in RelationTypes) {
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69 | if (t2.toLowerCase() === t1) {
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70 | return t2;
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71 | }
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72 | }
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73 | return null;
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74 | }
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75 |
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76 | function extendScopeMethods(definition, scopeMethods, ext) {
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77 | let customMethods = [];
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78 | let relationClass = RelationClasses[definition.type];
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79 | if (definition.type === RelationTypes.hasMany && definition.modelThrough) {
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80 | relationClass = RelationClasses.hasManyThrough;
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81 | }
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82 | if (typeof ext === 'function') {
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83 | customMethods = ext.call(definition, scopeMethods, relationClass);
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84 | } else if (typeof ext === 'object') {
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85 | function createFunc(definition, relationMethod) {
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86 | return function() {
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87 | const relation = new relationClass(definition, this);
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88 | return relationMethod.apply(relation, arguments);
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89 | };
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90 | }
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91 | for (const key in ext) {
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92 | const relationMethod = ext[key];
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93 | const method = scopeMethods[key] = createFunc(definition, relationMethod);
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94 | if (relationMethod.shared) {
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95 | sharedMethod(definition, key, method, relationMethod);
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96 | }
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97 | customMethods.push(key);
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98 | }
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99 | }
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100 | return [].concat(customMethods || []);
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101 | }
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102 |
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103 | function bindRelationMethods(relation, relationMethod, definition) {
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104 | const methods = definition.methods || {};
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105 | Object.keys(methods).forEach(function(m) {
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106 | if (typeof methods[m] !== 'function') return;
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107 | relationMethod[m] = methods[m].bind(relation);
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108 | });
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109 | }
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110 |
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111 | function preventFkOverride(inst, data, fkProp) {
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112 | if (!fkProp) return undefined;
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113 | if (data[fkProp] !== undefined && !idEquals(data[fkProp], inst[fkProp])) {
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114 | return new Error(g.f(
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115 | 'Cannot override foreign key %s from %s to %s',
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116 | fkProp,
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117 | inst[fkProp],
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118 | data[fkProp],
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119 | ));
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120 | }
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121 | }
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122 |
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123 |
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124 |
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125 |
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126 |
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127 |
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128 | function RelationDefinition(definition) {
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129 | if (!(this instanceof RelationDefinition)) {
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130 | return new RelationDefinition(definition);
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131 | }
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132 | definition = definition || {};
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133 | this.name = definition.name;
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134 | assert(this.name, 'Relation name is missing');
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135 | this.type = normalizeType(definition.type);
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136 | assert(this.type, 'Invalid relation type: ' + definition.type);
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137 | this.modelFrom = definition.modelFrom;
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138 | assert(this.modelFrom, 'Source model is required');
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139 | this.keyFrom = definition.keyFrom;
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140 | this.modelTo = definition.modelTo;
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141 | this.keyTo = definition.keyTo;
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142 | this.polymorphic = definition.polymorphic;
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143 | if (typeof this.polymorphic !== 'object') {
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144 | assert(this.modelTo, 'Target model is required');
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145 | }
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146 | this.modelThrough = definition.modelThrough;
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147 | this.keyThrough = definition.keyThrough;
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148 | this.multiple = definition.multiple;
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149 | this.properties = definition.properties || {};
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150 | this.options = definition.options || {};
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151 | this.scope = definition.scope;
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152 | this.embed = definition.embed === true;
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153 | this.methods = definition.methods || {};
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154 | }
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155 |
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156 | RelationDefinition.prototype.toJSON = function() {
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157 | const polymorphic = typeof this.polymorphic === 'object';
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158 |
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159 | let modelToName = this.modelTo && this.modelTo.modelName;
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160 | if (!modelToName && polymorphic && this.type === 'belongsTo') {
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161 | modelToName = '<polymorphic>';
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162 | }
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163 |
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164 | const json = {
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165 | name: this.name,
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166 | type: this.type,
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167 | modelFrom: this.modelFrom.modelName,
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168 | keyFrom: this.keyFrom,
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169 | modelTo: modelToName,
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170 | keyTo: this.keyTo,
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171 | multiple: this.multiple,
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172 | };
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173 | if (this.modelThrough) {
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174 | json.modelThrough = this.modelThrough.modelName;
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175 | json.keyThrough = this.keyThrough;
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176 | }
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177 | if (polymorphic) {
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178 | json.polymorphic = this.polymorphic;
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179 | }
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180 | return json;
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181 | };
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182 |
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183 |
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184 |
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185 |
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186 |
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187 |
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188 | RelationDefinition.prototype.defineMethod = function(name, fn) {
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189 | const relationClass = RelationClasses[this.type];
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190 | const relationName = this.name;
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191 | const modelFrom = this.modelFrom;
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192 | const definition = this;
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193 | let method;
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194 | if (definition.multiple) {
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195 | const scope = this.modelFrom.scopes[this.name];
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196 | if (!scope) throw new Error(g.f('Unknown relation {{scope}}: %s', this.name));
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197 | method = scope.defineMethod(name, function() {
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198 | const relation = new relationClass(definition, this);
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199 | return fn.apply(relation, arguments);
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200 | });
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201 | } else {
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202 | definition.methods[name] = fn;
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203 | method = function() {
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204 | const rel = this[relationName];
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205 | return rel[name].apply(rel, arguments);
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206 | };
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207 | }
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208 | if (method && fn.shared) {
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209 | sharedMethod(definition, name, method, fn);
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210 | modelFrom.prototype['__' + name + '__' + relationName] = method;
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211 | }
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212 | return method;
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213 | };
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214 |
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215 |
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216 |
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217 |
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218 |
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219 |
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220 | RelationDefinition.prototype.applyScope = function(modelInstance, filter) {
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221 | filter = filter || {};
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222 | filter.where = filter.where || {};
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223 | if ((this.type !== 'belongsTo' || this.type === 'hasOne') &&
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224 | typeof this.polymorphic === 'object') {
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225 | const discriminator = this.polymorphic.discriminator;
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226 | if (this.polymorphic.invert) {
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227 | filter.where[discriminator] = this.modelTo.modelName;
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228 | } else {
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229 | filter.where[discriminator] = this.modelFrom.modelName;
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230 | }
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231 | }
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232 | let scope;
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233 | if (typeof this.scope === 'function') {
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234 | scope = this.scope.call(this, modelInstance, filter);
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235 | } else {
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236 | scope = this.scope;
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237 | }
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238 | if (typeof scope === 'object') {
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239 | mergeQuery(filter, scope);
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240 | }
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241 | };
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242 |
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243 |
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244 |
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245 |
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246 |
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247 |
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248 | RelationDefinition.prototype.applyProperties = function(modelInstance, obj) {
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249 | let source = modelInstance, target = obj;
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250 | if (this.options.invertProperties) {
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251 | source = obj;
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252 | target = modelInstance;
|
253 | }
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254 | if (this.options.embedsProperties) {
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255 | target = target.__data[this.name] = {};
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256 | target[this.keyTo] = source[this.keyTo];
|
257 | }
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258 | let k, key;
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259 | if (typeof this.properties === 'function') {
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260 | const data = this.properties.call(this, source, target);
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261 | for (k in data) {
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262 | target[k] = data[k];
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263 | }
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264 | } else if (Array.isArray(this.properties)) {
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265 | for (k = 0; k < this.properties.length; k++) {
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266 | key = this.properties[k];
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267 | target[key] = source[key];
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268 | }
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269 | } else if (typeof this.properties === 'object') {
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270 | for (k in this.properties) {
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271 | key = this.properties[k];
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272 | target[key] = source[k];
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273 | }
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274 | }
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275 | if ((this.type !== 'belongsTo' || this.type === 'hasOne') &&
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276 | typeof this.polymorphic === 'object') {
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277 | const discriminator = this.polymorphic.discriminator;
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278 | if (this.polymorphic.invert) {
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279 | target[discriminator] = this.modelTo.modelName;
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280 | } else {
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281 | target[discriminator] = this.modelFrom.modelName;
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282 | }
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283 | }
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284 | };
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285 |
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286 |
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287 |
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288 |
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289 |
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290 |
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291 |
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292 |
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293 |
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294 | function Relation(definition, modelInstance) {
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295 | if (!(this instanceof Relation)) {
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296 | return new Relation(definition, modelInstance);
|
297 | }
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298 | if (!(definition instanceof RelationDefinition)) {
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299 | definition = new RelationDefinition(definition);
|
300 | }
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301 | this.definition = definition;
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302 | this.modelInstance = modelInstance;
|
303 | }
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304 |
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305 | Relation.prototype.resetCache = function(cache) {
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306 | cache = cache || undefined;
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307 | this.modelInstance.__cachedRelations[this.definition.name] = cache;
|
308 | };
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309 |
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310 | Relation.prototype.getCache = function() {
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311 | return this.modelInstance.__cachedRelations[this.definition.name];
|
312 | };
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313 |
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314 | Relation.prototype.callScopeMethod = function(methodName) {
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315 | const args = Array.prototype.slice.call(arguments, 1);
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316 | const modelInstance = this.modelInstance;
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317 | const rel = modelInstance[this.definition.name];
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318 | if (rel && typeof rel[methodName] === 'function') {
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319 | return rel[methodName].apply(rel, args);
|
320 | } else {
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321 | throw new Error(g.f('Unknown scope method: %s', methodName));
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322 | }
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323 | };
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324 |
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325 |
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326 |
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327 |
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328 |
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329 |
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330 |
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331 | Relation.prototype.fetch = function(condOrRefresh, options, cb) {
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332 | this.modelInstance[this.definition.name].apply(this.modelInstance, arguments);
|
333 | };
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334 |
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335 |
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336 |
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337 |
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338 |
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339 |
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340 |
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341 |
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342 |
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343 | function HasMany(definition, modelInstance) {
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344 | if (!(this instanceof HasMany)) {
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345 | return new HasMany(definition, modelInstance);
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346 | }
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347 | assert(definition.type === RelationTypes.hasMany);
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348 | Relation.apply(this, arguments);
|
349 | }
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350 |
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351 | util.inherits(HasMany, Relation);
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352 |
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353 | HasMany.prototype.removeFromCache = function(id) {
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354 | const cache = this.modelInstance.__cachedRelations[this.definition.name];
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355 | const idName = this.definition.modelTo.definition.idName();
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356 | if (Array.isArray(cache)) {
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357 | for (let i = 0, n = cache.length; i < n; i++) {
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358 | if (idEquals(cache[i][idName], id)) {
|
359 | return cache.splice(i, 1);
|
360 | }
|
361 | }
|
362 | }
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363 | return null;
|
364 | };
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365 |
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366 | HasMany.prototype.addToCache = function(inst) {
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367 | if (!inst) {
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368 | return;
|
369 | }
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370 | let cache = this.modelInstance.__cachedRelations[this.definition.name];
|
371 | if (cache === undefined) {
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372 | cache = this.modelInstance.__cachedRelations[this.definition.name] = [];
|
373 | }
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374 | const idName = this.definition.modelTo.definition.idName();
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375 | if (Array.isArray(cache)) {
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376 | for (let i = 0, n = cache.length; i < n; i++) {
|
377 | if (idEquals(cache[i][idName], inst[idName])) {
|
378 | cache[i] = inst;
|
379 | return;
|
380 | }
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381 | }
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382 | cache.push(inst);
|
383 | }
|
384 | };
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385 |
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386 |
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387 |
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388 |
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389 |
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390 |
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391 |
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392 |
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393 |
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394 | function HasManyThrough(definition, modelInstance) {
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395 | if (!(this instanceof HasManyThrough)) {
|
396 | return new HasManyThrough(definition, modelInstance);
|
397 | }
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398 | assert(definition.type === RelationTypes.hasMany);
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399 | assert(definition.modelThrough);
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400 | HasMany.apply(this, arguments);
|
401 | }
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402 |
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403 | util.inherits(HasManyThrough, HasMany);
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404 |
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405 |
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406 |
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407 |
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408 |
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409 |
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410 |
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411 |
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412 |
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413 | function BelongsTo(definition, modelInstance) {
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414 | if (!(this instanceof BelongsTo)) {
|
415 | return new BelongsTo(definition, modelInstance);
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416 | }
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417 | assert(definition.type === RelationTypes.belongsTo);
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418 | Relation.apply(this, arguments);
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419 | }
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420 |
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421 | util.inherits(BelongsTo, Relation);
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422 |
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423 |
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424 |
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425 |
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426 |
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427 |
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428 |
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429 |
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430 |
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431 | function HasAndBelongsToMany(definition, modelInstance) {
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432 | if (!(this instanceof HasAndBelongsToMany)) {
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433 | return new HasAndBelongsToMany(definition, modelInstance);
|
434 | }
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435 | assert(definition.type === RelationTypes.hasAndBelongsToMany);
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436 | Relation.apply(this, arguments);
|
437 | }
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438 |
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439 | util.inherits(HasAndBelongsToMany, Relation);
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440 |
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441 |
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442 |
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443 |
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444 |
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445 |
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446 |
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447 |
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448 |
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449 | function HasOne(definition, modelInstance) {
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450 | if (!(this instanceof HasOne)) {
|
451 | return new HasOne(definition, modelInstance);
|
452 | }
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453 | assert(definition.type === RelationTypes.hasOne);
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454 | Relation.apply(this, arguments);
|
455 | }
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456 |
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457 | util.inherits(HasOne, Relation);
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458 |
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459 |
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460 |
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461 |
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462 |
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463 |
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464 |
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465 |
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466 |
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467 | function EmbedsOne(definition, modelInstance) {
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468 | if (!(this instanceof EmbedsOne)) {
|
469 | return new EmbedsOne(definition, modelInstance);
|
470 | }
|
471 | assert(definition.type === RelationTypes.embedsOne);
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472 | Relation.apply(this, arguments);
|
473 | }
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474 |
|
475 | util.inherits(EmbedsOne, Relation);
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476 |
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477 |
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478 |
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479 |
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480 |
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481 |
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482 |
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483 |
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484 |
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485 | function EmbedsMany(definition, modelInstance) {
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486 | if (!(this instanceof EmbedsMany)) {
|
487 | return new EmbedsMany(definition, modelInstance);
|
488 | }
|
489 | assert(definition.type === RelationTypes.embedsMany);
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490 | Relation.apply(this, arguments);
|
491 | }
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492 |
|
493 | util.inherits(EmbedsMany, Relation);
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494 |
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495 |
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496 |
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497 |
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498 |
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499 |
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500 |
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501 |
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502 |
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503 | function ReferencesMany(definition, modelInstance) {
|
504 | if (!(this instanceof ReferencesMany)) {
|
505 | return new ReferencesMany(definition, modelInstance);
|
506 | }
|
507 | assert(definition.type === RelationTypes.referencesMany);
|
508 | Relation.apply(this, arguments);
|
509 | }
|
510 |
|
511 | util.inherits(ReferencesMany, Relation);
|
512 |
|
513 |
|
514 |
|
515 |
|
516 |
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517 |
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518 | function findBelongsTo(modelFrom, modelTo, keyTo) {
|
519 | return Object.keys(modelFrom.relations)
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520 | .map(function(k) { return modelFrom.relations[k]; })
|
521 | .filter(function(rel) {
|
522 | return (rel.type === RelationTypes.belongsTo &&
|
523 | rel.modelTo === modelTo &&
|
524 | (keyTo === undefined || rel.keyTo === keyTo));
|
525 | })
|
526 | .map(function(rel) {
|
527 | return rel.keyFrom;
|
528 | });
|
529 | }
|
530 |
|
531 |
|
532 |
|
533 |
|
534 |
|
535 |
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536 |
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537 | function lookupModel(models, modelName) {
|
538 | if (models[modelName]) {
|
539 | return models[modelName];
|
540 | }
|
541 | const lookupClassName = modelName.toLowerCase();
|
542 | for (const name in models) {
|
543 | if (name.toLowerCase() === lookupClassName) {
|
544 | return models[name];
|
545 | }
|
546 | }
|
547 | }
|
548 |
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549 |
|
550 |
|
551 |
|
552 |
|
553 |
|
554 |
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555 |
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556 |
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557 |
|
558 | function lookupModelTo(modelFrom, modelToRef, params, singularize) {
|
559 | let modelTo;
|
560 |
|
561 | if (typeof modelToRef !== 'string') {
|
562 |
|
563 | modelTo = modelToRef;
|
564 | } else {
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565 |
|
566 | let modelToName;
|
567 | modelTo = params.model || modelToRef;
|
568 |
|
569 | if (typeof modelTo === 'string') {
|
570 |
|
571 | modelToName = modelTo;
|
572 | modelToName = (singularize ? i8n.singularize(modelToName) : modelToName).toLowerCase();
|
573 | modelTo = lookupModel(modelFrom.dataSource.modelBuilder.models, modelToName);
|
574 | }
|
575 |
|
576 | if (!modelTo) {
|
577 |
|
578 | const relationToName = params.as || modelToRef;
|
579 | modelToName = (singularize ? i8n.singularize(relationToName) : relationToName).toLowerCase();
|
580 | modelTo = lookupModel(modelFrom.dataSource.modelBuilder.models, modelToName);
|
581 | }
|
582 | }
|
583 | if (typeof modelTo !== 'function') {
|
584 | throw new Error(g.f('Could not find relation %s for model %s', params.as, modelFrom.modelName));
|
585 | }
|
586 | return modelTo;
|
587 | }
|
588 |
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589 |
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590 |
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591 |
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592 |
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593 |
|
594 |
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595 |
|
596 | function normalizeRelationAs(params, relationName) {
|
597 | if (typeof relationName === 'string') {
|
598 | params.as = params.as || relationName;
|
599 | }
|
600 | return params;
|
601 | }
|
602 |
|
603 |
|
604 |
|
605 |
|
606 |
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607 |
|
608 |
|
609 | function normalizePolymorphic(polymorphic, relationName) {
|
610 | assert(polymorphic, 'polymorphic param can\'t be false, null or undefined');
|
611 | assert(!Array.isArray(polymorphic, 'unexpected type for polymorphic param: \'Array\''));
|
612 |
|
613 | let selector;
|
614 |
|
615 | if (typeof polymorphic === 'string') {
|
616 |
|
617 |
|
618 | selector = polymorphic;
|
619 | }
|
620 |
|
621 | if (polymorphic === true) {
|
622 |
|
623 | selector = relationName;
|
624 | }
|
625 |
|
626 |
|
627 |
|
628 |
|
629 | if (typeof polymorphic == 'object') {
|
630 | selector = polymorphic.selector || polymorphic.as;
|
631 | }
|
632 |
|
633 |
|
634 |
|
635 | selector = selector || relationName || 'reference';
|
636 |
|
637 |
|
638 | if (typeof polymorphic !== 'object') {
|
639 | polymorphic = {};
|
640 | }
|
641 |
|
642 | polymorphic.selector = selector;
|
643 | polymorphic.foreignKey = polymorphic.foreignKey || i8n.camelize(selector + '_id', true);
|
644 | polymorphic.discriminator = polymorphic.discriminator || i8n.camelize(selector + '_type', true);
|
645 |
|
646 | return polymorphic;
|
647 | }
|
648 |
|
649 |
|
650 |
|
651 |
|
652 |
|
653 |
|
654 |
|
655 |
|
656 |
|
657 |
|
658 |
|
659 |
|
660 |
|
661 |
|
662 |
|
663 |
|
664 |
|
665 |
|
666 |
|
667 |
|
668 |
|
669 |
|
670 |
|
671 |
|
672 | RelationDefinition.hasMany = function hasMany(modelFrom, modelToRef, params) {
|
673 | const thisClassName = modelFrom.modelName;
|
674 | params = params || {};
|
675 | normalizeRelationAs(params, modelToRef);
|
676 | const modelTo = lookupModelTo(modelFrom, modelToRef, params, true);
|
677 |
|
678 | const relationName = params.as || i8n.camelize(modelTo.pluralModelName, true);
|
679 | let fk = params.foreignKey || i8n.camelize(thisClassName + '_id', true);
|
680 | let keyThrough = params.keyThrough || i8n.camelize(modelTo.modelName + '_id', true);
|
681 |
|
682 | const pkName = params.primaryKey || modelFrom.dataSource.idName(modelFrom.modelName) || 'id';
|
683 | let discriminator, polymorphic;
|
684 |
|
685 | if (params.polymorphic) {
|
686 | polymorphic = normalizePolymorphic(params.polymorphic, relationName);
|
687 | if (params.invert) {
|
688 | polymorphic.invert = true;
|
689 | keyThrough = polymorphic.foreignKey;
|
690 | }
|
691 | discriminator = polymorphic.discriminator;
|
692 | if (!params.invert) {
|
693 | fk = polymorphic.foreignKey;
|
694 | }
|
695 | if (!params.through) {
|
696 | modelTo.dataSource.defineProperty(modelTo.modelName, discriminator, {type: 'string', index: true});
|
697 | }
|
698 | }
|
699 |
|
700 | const definition = new RelationDefinition({
|
701 | name: relationName,
|
702 | type: RelationTypes.hasMany,
|
703 | modelFrom: modelFrom,
|
704 | keyFrom: pkName,
|
705 | keyTo: fk,
|
706 | modelTo: modelTo,
|
707 | multiple: true,
|
708 | properties: params.properties,
|
709 | scope: params.scope,
|
710 | options: params.options,
|
711 | keyThrough: keyThrough,
|
712 | polymorphic: polymorphic,
|
713 | });
|
714 |
|
715 | definition.modelThrough = params.through;
|
716 |
|
717 | modelFrom.relations[relationName] = definition;
|
718 |
|
719 | if (!params.through) {
|
720 |
|
721 |
|
722 |
|
723 | modelTo.dataSource.defineForeignKey(modelTo.modelName, fk, modelFrom.modelName, pkName);
|
724 | }
|
725 |
|
726 | const scopeMethods = {
|
727 | findById: scopeMethod(definition, 'findById'),
|
728 | destroy: scopeMethod(definition, 'destroyById'),
|
729 | updateById: scopeMethod(definition, 'updateById'),
|
730 | exists: scopeMethod(definition, 'exists'),
|
731 | };
|
732 |
|
733 | const findByIdFunc = scopeMethods.findById;
|
734 | modelFrom.prototype['__findById__' + relationName] = findByIdFunc;
|
735 |
|
736 | const destroyByIdFunc = scopeMethods.destroy;
|
737 | modelFrom.prototype['__destroyById__' + relationName] = destroyByIdFunc;
|
738 |
|
739 | const updateByIdFunc = scopeMethods.updateById;
|
740 | modelFrom.prototype['__updateById__' + relationName] = updateByIdFunc;
|
741 |
|
742 | const existsByIdFunc = scopeMethods.exists;
|
743 | modelFrom.prototype['__exists__' + relationName] = existsByIdFunc;
|
744 |
|
745 | if (definition.modelThrough) {
|
746 | scopeMethods.create = scopeMethod(definition, 'create');
|
747 | scopeMethods.add = scopeMethod(definition, 'add');
|
748 | scopeMethods.remove = scopeMethod(definition, 'remove');
|
749 |
|
750 | const addFunc = scopeMethods.add;
|
751 | modelFrom.prototype['__link__' + relationName] = addFunc;
|
752 |
|
753 | const removeFunc = scopeMethods.remove;
|
754 | modelFrom.prototype['__unlink__' + relationName] = removeFunc;
|
755 | } else {
|
756 | scopeMethods.create = scopeMethod(definition, 'create');
|
757 | scopeMethods.build = scopeMethod(definition, 'build');
|
758 | }
|
759 |
|
760 | const customMethods = extendScopeMethods(definition, scopeMethods, params.scopeMethods);
|
761 |
|
762 | for (let i = 0; i < customMethods.length; i++) {
|
763 | const methodName = customMethods[i];
|
764 | const method = scopeMethods[methodName];
|
765 | if (typeof method === 'function' && method.shared === true) {
|
766 | modelFrom.prototype['__' + methodName + '__' + relationName] = method;
|
767 | }
|
768 | }
|
769 |
|
770 |
|
771 | defineScope(modelFrom.prototype, params.through || modelTo, relationName, function() {
|
772 | const filter = {};
|
773 | filter.where = {};
|
774 | filter.where[fk] = this[pkName];
|
775 |
|
776 | definition.applyScope(this, filter);
|
777 |
|
778 | if (definition.modelThrough) {
|
779 | let throughRelationName;
|
780 |
|
781 |
|
782 | for (const r in definition.modelThrough.relations) {
|
783 | const relation = definition.modelThrough.relations[r];
|
784 |
|
785 |
|
786 |
|
787 | if (relation.type === RelationTypes.belongsTo &&
|
788 | (relation.polymorphic && !relation.modelTo || relation.modelTo === definition.modelTo) &&
|
789 | (relation.keyFrom === definition.keyThrough)
|
790 | ) {
|
791 | throughRelationName = relation.name;
|
792 | break;
|
793 | }
|
794 | }
|
795 |
|
796 | if (definition.polymorphic && definition.polymorphic.invert) {
|
797 | filter.collect = definition.polymorphic.selector;
|
798 | filter.include = filter.collect;
|
799 | } else {
|
800 | filter.collect = throughRelationName || i8n.camelize(modelTo.modelName, true);
|
801 | filter.include = filter.collect;
|
802 | }
|
803 | }
|
804 |
|
805 | return filter;
|
806 | }, scopeMethods, definition.options);
|
807 |
|
808 | return definition;
|
809 | };
|
810 |
|
811 | function scopeMethod(definition, methodName) {
|
812 | let relationClass = RelationClasses[definition.type];
|
813 | if (definition.type === RelationTypes.hasMany && definition.modelThrough) {
|
814 | relationClass = RelationClasses.hasManyThrough;
|
815 | }
|
816 | const method = function() {
|
817 | const relation = new relationClass(definition, this);
|
818 | return relation[methodName].apply(relation, arguments);
|
819 | };
|
820 |
|
821 | const relationMethod = relationClass.prototype[methodName];
|
822 | if (relationMethod.shared) {
|
823 | sharedMethod(definition, methodName, method, relationMethod);
|
824 | }
|
825 | return method;
|
826 | }
|
827 |
|
828 | function sharedMethod(definition, methodName, method, relationMethod) {
|
829 | method.shared = true;
|
830 | method.accepts = relationMethod.accepts;
|
831 | method.returns = relationMethod.returns;
|
832 | method.http = relationMethod.http;
|
833 | method.description = relationMethod.description;
|
834 | }
|
835 |
|
836 |
|
837 |
|
838 |
|
839 |
|
840 |
|
841 |
|
842 | HasMany.prototype.findById = function(fkId, options, cb) {
|
843 | if (typeof options === 'function' && cb === undefined) {
|
844 | cb = options;
|
845 | options = {};
|
846 | }
|
847 | const modelTo = this.definition.modelTo;
|
848 | const modelFrom = this.definition.modelFrom;
|
849 | const fk = this.definition.keyTo;
|
850 | const pk = this.definition.keyFrom;
|
851 | const modelInstance = this.modelInstance;
|
852 |
|
853 | const idName = this.definition.modelTo.definition.idName();
|
854 | const filter = {};
|
855 | filter.where = {};
|
856 | filter.where[idName] = fkId;
|
857 | filter.where[fk] = modelInstance[pk];
|
858 |
|
859 | cb = cb || utils.createPromiseCallback();
|
860 |
|
861 | if (filter.where[fk] === undefined) {
|
862 |
|
863 | process.nextTick(cb);
|
864 | return cb.promise;
|
865 | }
|
866 | this.definition.applyScope(modelInstance, filter);
|
867 |
|
868 | modelTo.findOne(filter, options, function(err, inst) {
|
869 | if (err) {
|
870 | return cb(err);
|
871 | }
|
872 | if (!inst) {
|
873 | err = new Error(g.f('No instance with {{id}} %s found for %s', fkId, modelTo.modelName));
|
874 | err.statusCode = 404;
|
875 | return cb(err);
|
876 | }
|
877 |
|
878 | if (inst[fk] != null && idEquals(inst[fk], modelInstance[pk])) {
|
879 | cb(null, inst);
|
880 | } else {
|
881 | err = new Error(g.f('Key mismatch: %s.%s: %s, %s.%s: %s',
|
882 | modelFrom.modelName, pk, modelInstance[pk], modelTo.modelName, fk, inst[fk]));
|
883 | err.statusCode = 400;
|
884 | cb(err);
|
885 | }
|
886 | });
|
887 | return cb.promise;
|
888 | };
|
889 |
|
890 |
|
891 |
|
892 |
|
893 |
|
894 |
|
895 |
|
896 | HasMany.prototype.exists = function(fkId, options, cb) {
|
897 | if (typeof options === 'function' && cb === undefined) {
|
898 | cb = options;
|
899 | options = {};
|
900 | }
|
901 | const fk = this.definition.keyTo;
|
902 | const pk = this.definition.keyFrom;
|
903 | const modelInstance = this.modelInstance;
|
904 | cb = cb || utils.createPromiseCallback();
|
905 |
|
906 | this.findById(fkId, function(err, inst) {
|
907 | if (err) {
|
908 | return cb(err);
|
909 | }
|
910 | if (!inst) {
|
911 | return cb(null, false);
|
912 | }
|
913 |
|
914 | if (inst[fk] && inst[fk].toString() === modelInstance[pk].toString()) {
|
915 | cb(null, true);
|
916 | } else {
|
917 | cb(null, false);
|
918 | }
|
919 | });
|
920 | return cb.promise;
|
921 | };
|
922 |
|
923 |
|
924 |
|
925 |
|
926 |
|
927 |
|
928 |
|
929 |
|
930 | HasMany.prototype.updateById = function(fkId, data, options, cb) {
|
931 | if (typeof options === 'function' && cb === undefined) {
|
932 | cb = options;
|
933 | options = {};
|
934 | }
|
935 | cb = cb || utils.createPromiseCallback();
|
936 | const fk = this.definition.keyTo;
|
937 |
|
938 | this.findById(fkId, options, function(err, inst) {
|
939 | if (err) {
|
940 | return cb && cb(err);
|
941 | }
|
942 |
|
943 | const fkErr = preventFkOverride(inst, data, fk);
|
944 | if (fkErr) return cb(fkErr);
|
945 | inst.updateAttributes(data, options, cb);
|
946 | });
|
947 | return cb.promise;
|
948 | };
|
949 |
|
950 |
|
951 |
|
952 |
|
953 |
|
954 |
|
955 |
|
956 | HasMany.prototype.destroyById = function(fkId, options, cb) {
|
957 | if (typeof options === 'function' && cb === undefined) {
|
958 | cb = options;
|
959 | options = {};
|
960 | }
|
961 | cb = cb || utils.createPromiseCallback();
|
962 | const self = this;
|
963 | this.findById(fkId, options, function(err, inst) {
|
964 | if (err) {
|
965 | return cb(err);
|
966 | }
|
967 | self.removeFromCache(fkId);
|
968 | inst.destroy(options, cb);
|
969 | });
|
970 | return cb.promise;
|
971 | };
|
972 |
|
973 | const throughKeys = function(definition) {
|
974 | const modelThrough = definition.modelThrough;
|
975 | const pk2 = definition.modelTo.definition.idName();
|
976 |
|
977 | let fk1, fk2;
|
978 | if (typeof definition.polymorphic === 'object') {
|
979 | fk1 = definition.keyTo;
|
980 | if (definition.polymorphic.invert) {
|
981 | fk2 = definition.polymorphic.foreignKey;
|
982 | } else {
|
983 | fk2 = definition.keyThrough;
|
984 | }
|
985 | } else if (definition.modelFrom === definition.modelTo) {
|
986 | return findBelongsTo(modelThrough, definition.modelTo, pk2).
|
987 | sort(function(fk1, fk2) {
|
988 |
|
989 |
|
990 |
|
991 | return (definition.keyTo === fk1) ? -1 : 1;
|
992 | });
|
993 | } else {
|
994 | fk1 = findBelongsTo(modelThrough, definition.modelFrom,
|
995 | definition.keyFrom)[0];
|
996 | fk2 = findBelongsTo(modelThrough, definition.modelTo, pk2)[0];
|
997 | }
|
998 | return [fk1, fk2];
|
999 | };
|
1000 |
|
1001 |
|
1002 |
|
1003 |
|
1004 |
|
1005 |
|
1006 |
|
1007 | HasManyThrough.prototype.findById = function(fkId, options, cb) {
|
1008 | if (typeof options === 'function' && cb === undefined) {
|
1009 | cb = options;
|
1010 | options = {};
|
1011 | }
|
1012 | const self = this;
|
1013 | const modelTo = this.definition.modelTo;
|
1014 | const pk = this.definition.keyFrom;
|
1015 | const modelInstance = this.modelInstance;
|
1016 | const modelThrough = this.definition.modelThrough;
|
1017 |
|
1018 | cb = cb || utils.createPromiseCallback();
|
1019 |
|
1020 | self.exists(fkId, options, function(err, exists) {
|
1021 | if (err || !exists) {
|
1022 | if (!err) {
|
1023 | err = new Error(g.f('No relation found in %s' +
|
1024 | ' for (%s.%s,%s.%s)',
|
1025 | modelThrough.modelName, self.definition.modelFrom.modelName,
|
1026 | modelInstance[pk], modelTo.modelName, fkId));
|
1027 | err.statusCode = 404;
|
1028 | }
|
1029 | return cb(err);
|
1030 | }
|
1031 | modelTo.findById(fkId, options, function(err, inst) {
|
1032 | if (err) {
|
1033 | return cb(err);
|
1034 | }
|
1035 | if (!inst) {
|
1036 | err = new Error(g.f('No instance with id %s found for %s', fkId, modelTo.modelName));
|
1037 | err.statusCode = 404;
|
1038 | return cb(err);
|
1039 | }
|
1040 | cb(err, inst);
|
1041 | });
|
1042 | });
|
1043 | return cb.promise;
|
1044 | };
|
1045 |
|
1046 |
|
1047 |
|
1048 |
|
1049 |
|
1050 |
|
1051 |
|
1052 | HasManyThrough.prototype.destroyById = function(fkId, options, cb) {
|
1053 | if (typeof options === 'function' && cb === undefined) {
|
1054 | cb = options;
|
1055 | options = {};
|
1056 | }
|
1057 | const self = this;
|
1058 | const modelTo = this.definition.modelTo;
|
1059 | const pk = this.definition.keyFrom;
|
1060 | const modelInstance = this.modelInstance;
|
1061 | const modelThrough = this.definition.modelThrough;
|
1062 |
|
1063 | cb = cb || utils.createPromiseCallback();
|
1064 |
|
1065 | self.exists(fkId, options, function(err, exists) {
|
1066 | if (err || !exists) {
|
1067 | if (!err) {
|
1068 | err = new Error(g.f('No record found in %s for (%s.%s ,%s.%s)',
|
1069 | modelThrough.modelName, self.definition.modelFrom.modelName,
|
1070 | modelInstance[pk], modelTo.modelName, fkId));
|
1071 | err.statusCode = 404;
|
1072 | }
|
1073 | return cb(err);
|
1074 | }
|
1075 | self.remove(fkId, options, function(err) {
|
1076 | if (err) {
|
1077 | return cb(err);
|
1078 | }
|
1079 | modelTo.deleteById(fkId, options, cb);
|
1080 | });
|
1081 | });
|
1082 | return cb.promise;
|
1083 | };
|
1084 |
|
1085 |
|
1086 |
|
1087 | HasManyThrough.prototype.create = function create(data, options, cb) {
|
1088 | if (typeof options === 'function' && cb === undefined) {
|
1089 | cb = options;
|
1090 | options = {};
|
1091 | }
|
1092 | const self = this;
|
1093 | const definition = this.definition;
|
1094 | const modelTo = definition.modelTo;
|
1095 | const modelThrough = definition.modelThrough;
|
1096 |
|
1097 | if (typeof data === 'function' && !cb) {
|
1098 | cb = data;
|
1099 | data = {};
|
1100 | }
|
1101 | cb = cb || utils.createPromiseCallback();
|
1102 |
|
1103 | const modelInstance = this.modelInstance;
|
1104 |
|
1105 |
|
1106 | modelTo.create(data, options, function(err, to) {
|
1107 | if (err) {
|
1108 | return cb(err, to);
|
1109 | }
|
1110 |
|
1111 | const pk2 = definition.modelTo.definition.idName();
|
1112 | const keys = throughKeys(definition);
|
1113 | const fk1 = keys[0];
|
1114 | const fk2 = keys[1];
|
1115 |
|
1116 | function createRelation(to, next) {
|
1117 | const d = {}, q = {}, filter = {where: q};
|
1118 | d[fk1] = q[fk1] = modelInstance[definition.keyFrom];
|
1119 | d[fk2] = q[fk2] = to[pk2];
|
1120 | definition.applyProperties(modelInstance, d);
|
1121 | definition.applyScope(modelInstance, filter);
|
1122 |
|
1123 |
|
1124 | modelThrough.findOrCreate(filter, d, options, function(e, through) {
|
1125 | if (e) {
|
1126 |
|
1127 | to.destroy(options, function() {
|
1128 | next(e);
|
1129 | });
|
1130 | } else {
|
1131 | self.addToCache(to);
|
1132 | next(err, to);
|
1133 | }
|
1134 | });
|
1135 | }
|
1136 |
|
1137 |
|
1138 | if (!Array.isArray(to))
|
1139 | createRelation(to, cb);
|
1140 | else
|
1141 | async.map(to, createRelation, cb);
|
1142 | });
|
1143 | return cb.promise;
|
1144 | };
|
1145 |
|
1146 |
|
1147 |
|
1148 |
|
1149 |
|
1150 |
|
1151 |
|
1152 |
|
1153 | HasManyThrough.prototype.add = function(acInst, data, options, cb) {
|
1154 | if (typeof options === 'function' && cb === undefined) {
|
1155 | cb = options;
|
1156 | options = {};
|
1157 | }
|
1158 | const self = this;
|
1159 | const definition = this.definition;
|
1160 | const modelThrough = definition.modelThrough;
|
1161 | const pk1 = definition.keyFrom;
|
1162 |
|
1163 | if (typeof data === 'function') {
|
1164 | cb = data;
|
1165 | data = {};
|
1166 | }
|
1167 | const query = {};
|
1168 |
|
1169 | data = data || {};
|
1170 | cb = cb || utils.createPromiseCallback();
|
1171 |
|
1172 |
|
1173 | const pk2 = definition.modelTo.definition.idName();
|
1174 |
|
1175 | const keys = throughKeys(definition);
|
1176 | const fk1 = keys[0];
|
1177 | const fk2 = keys[1];
|
1178 |
|
1179 | query[fk1] = this.modelInstance[pk1];
|
1180 | query[fk2] = (acInst instanceof definition.modelTo) ? acInst[pk2] : acInst;
|
1181 |
|
1182 | const filter = {where: query};
|
1183 |
|
1184 | definition.applyScope(this.modelInstance, filter);
|
1185 |
|
1186 | data[fk1] = this.modelInstance[pk1];
|
1187 | data[fk2] = (acInst instanceof definition.modelTo) ? acInst[pk2] : acInst;
|
1188 |
|
1189 | definition.applyProperties(this.modelInstance, data);
|
1190 |
|
1191 |
|
1192 | modelThrough.findOrCreate(filter, data, options, function(err, ac) {
|
1193 | if (!err) {
|
1194 | if (acInst instanceof definition.modelTo) {
|
1195 | self.addToCache(acInst);
|
1196 | }
|
1197 | }
|
1198 | cb(err, ac);
|
1199 | });
|
1200 | return cb.promise;
|
1201 | };
|
1202 |
|
1203 |
|
1204 |
|
1205 |
|
1206 |
|
1207 | HasManyThrough.prototype.exists = function(acInst, options, cb) {
|
1208 | if (typeof options === 'function' && cb === undefined) {
|
1209 | cb = options;
|
1210 | options = {};
|
1211 | }
|
1212 | const definition = this.definition;
|
1213 | const modelThrough = definition.modelThrough;
|
1214 | const pk1 = definition.keyFrom;
|
1215 |
|
1216 | const query = {};
|
1217 |
|
1218 |
|
1219 | const pk2 = definition.modelTo.definition.idName();
|
1220 |
|
1221 | const keys = throughKeys(definition);
|
1222 | const fk1 = keys[0];
|
1223 | const fk2 = keys[1];
|
1224 |
|
1225 | query[fk1] = this.modelInstance[pk1];
|
1226 | query[fk2] = (acInst instanceof definition.modelTo) ? acInst[pk2] : acInst;
|
1227 |
|
1228 | const filter = {where: query};
|
1229 |
|
1230 | definition.applyScope(this.modelInstance, filter);
|
1231 |
|
1232 | cb = cb || utils.createPromiseCallback();
|
1233 |
|
1234 | modelThrough.count(filter.where, options, function(err, ac) {
|
1235 | cb(err, ac > 0);
|
1236 | });
|
1237 | return cb.promise;
|
1238 | };
|
1239 |
|
1240 |
|
1241 |
|
1242 |
|
1243 |
|
1244 | HasManyThrough.prototype.remove = function(acInst, options, cb) {
|
1245 | if (typeof options === 'function' && cb === undefined) {
|
1246 | cb = options;
|
1247 | options = {};
|
1248 | }
|
1249 | const self = this;
|
1250 | const definition = this.definition;
|
1251 | const modelThrough = definition.modelThrough;
|
1252 | const pk1 = definition.keyFrom;
|
1253 |
|
1254 | const query = {};
|
1255 |
|
1256 |
|
1257 | const pk2 = definition.modelTo.definition.idName();
|
1258 |
|
1259 | const keys = throughKeys(definition);
|
1260 | const fk1 = keys[0];
|
1261 | const fk2 = keys[1];
|
1262 |
|
1263 | query[fk1] = this.modelInstance[pk1];
|
1264 | query[fk2] = (acInst instanceof definition.modelTo) ? acInst[pk2] : acInst;
|
1265 |
|
1266 | const filter = {where: query};
|
1267 |
|
1268 | definition.applyScope(this.modelInstance, filter);
|
1269 |
|
1270 | cb = cb || utils.createPromiseCallback();
|
1271 |
|
1272 | modelThrough.deleteAll(filter.where, options, function(err) {
|
1273 | if (!err) {
|
1274 | self.removeFromCache(query[fk2]);
|
1275 | }
|
1276 | cb(err);
|
1277 | });
|
1278 | return cb.promise;
|
1279 | };
|
1280 |
|
1281 |
|
1282 |
|
1283 |
|
1284 |
|
1285 |
|
1286 |
|
1287 |
|
1288 |
|
1289 |
|
1290 |
|
1291 |
|
1292 |
|
1293 |
|
1294 |
|
1295 |
|
1296 |
|
1297 |
|
1298 |
|
1299 |
|
1300 |
|
1301 |
|
1302 |
|
1303 |
|
1304 |
|
1305 | RelationDefinition.belongsTo = function(modelFrom, modelToRef, params) {
|
1306 | let modelTo, discriminator, polymorphic;
|
1307 | params = params || {};
|
1308 |
|
1309 | let pkName, relationName, fk;
|
1310 | if (params.polymorphic) {
|
1311 | relationName = params.as || (typeof modelToRef === 'string' ? modelToRef : null);
|
1312 | polymorphic = normalizePolymorphic(params.polymorphic, relationName);
|
1313 |
|
1314 | modelTo = null;
|
1315 |
|
1316 | pkName = params.primaryKey || params.idName || 'id';
|
1317 | fk = polymorphic.foreignKey;
|
1318 | discriminator = polymorphic.discriminator;
|
1319 |
|
1320 | if (polymorphic.idType) {
|
1321 | modelFrom.dataSource.defineProperty(modelFrom.modelName, fk, {type: polymorphic.idType, index: true});
|
1322 | } else {
|
1323 | modelFrom.dataSource.defineForeignKey(modelFrom.modelName, fk, modelFrom.modelName, pkName);
|
1324 | }
|
1325 |
|
1326 | modelFrom.dataSource.defineProperty(modelFrom.modelName, discriminator, {type: 'string', index: true});
|
1327 | } else {
|
1328 |
|
1329 | normalizeRelationAs(params, modelToRef);
|
1330 | modelTo = lookupModelTo(modelFrom, modelToRef, params);
|
1331 | pkName = params.primaryKey || modelTo.dataSource.idName(modelTo.modelName) || 'id';
|
1332 | relationName = params.as || i8n.camelize(modelTo.modelName, true);
|
1333 | fk = params.foreignKey || relationName + 'Id';
|
1334 |
|
1335 | modelFrom.dataSource.defineForeignKey(modelFrom.modelName, fk, modelTo.modelName, pkName);
|
1336 | }
|
1337 |
|
1338 | const definition = modelFrom.relations[relationName] = new RelationDefinition({
|
1339 | name: relationName,
|
1340 | type: RelationTypes.belongsTo,
|
1341 | modelFrom: modelFrom,
|
1342 | keyFrom: fk,
|
1343 | keyTo: pkName,
|
1344 | modelTo: modelTo,
|
1345 | multiple: false,
|
1346 | properties: params.properties,
|
1347 | scope: params.scope,
|
1348 | options: params.options,
|
1349 | polymorphic: polymorphic,
|
1350 | methods: params.methods,
|
1351 | });
|
1352 |
|
1353 |
|
1354 | Object.defineProperty(modelFrom.prototype, relationName, {
|
1355 | enumerable: true,
|
1356 | configurable: true,
|
1357 | get: function() {
|
1358 | const relation = new BelongsTo(definition, this);
|
1359 | const relationMethod = relation.related.bind(relation);
|
1360 | relationMethod.get = relation.get.bind(relation);
|
1361 | relationMethod.getAsync = function() {
|
1362 | deprecated(g.f('BelongsTo method "getAsync()" is deprecated, use "get()" instead.'));
|
1363 | return this.get.apply(this, arguments);
|
1364 | };
|
1365 | relationMethod.update = relation.update.bind(relation);
|
1366 | relationMethod.destroy = relation.destroy.bind(relation);
|
1367 | if (!polymorphic) {
|
1368 | relationMethod.create = relation.create.bind(relation);
|
1369 | relationMethod.build = relation.build.bind(relation);
|
1370 | relationMethod._targetClass = definition.modelTo.modelName;
|
1371 | }
|
1372 | bindRelationMethods(relation, relationMethod, definition);
|
1373 | return relationMethod;
|
1374 | },
|
1375 | });
|
1376 |
|
1377 |
|
1378 |
|
1379 |
|
1380 | const fn = function() {
|
1381 | const f = this[relationName];
|
1382 | f.apply(this, arguments);
|
1383 | };
|
1384 | modelFrom.prototype['__get__' + relationName] = fn;
|
1385 |
|
1386 | return definition;
|
1387 | };
|
1388 |
|
1389 | BelongsTo.prototype.create = function(targetModelData, options, cb) {
|
1390 | if (typeof options === 'function' && cb === undefined) {
|
1391 | cb = options;
|
1392 | options = {};
|
1393 | }
|
1394 | const self = this;
|
1395 | const modelTo = this.definition.modelTo;
|
1396 | const fk = this.definition.keyFrom;
|
1397 | const pk = this.definition.keyTo;
|
1398 | const modelInstance = this.modelInstance;
|
1399 |
|
1400 | if (typeof targetModelData === 'function' && !cb) {
|
1401 | cb = targetModelData;
|
1402 | targetModelData = {};
|
1403 | }
|
1404 | cb = cb || utils.createPromiseCallback();
|
1405 |
|
1406 | this.definition.applyProperties(modelInstance, targetModelData || {});
|
1407 |
|
1408 | modelTo.create(targetModelData, options, function(err, targetModel) {
|
1409 | if (!err) {
|
1410 | modelInstance[fk] = targetModel[pk];
|
1411 | if (modelInstance.isNewRecord()) {
|
1412 | self.resetCache(targetModel);
|
1413 | cb && cb(err, targetModel);
|
1414 | } else {
|
1415 | modelInstance.save(options, function(err, inst) {
|
1416 | if (cb && err) return cb && cb(err);
|
1417 | self.resetCache(targetModel);
|
1418 | cb && cb(err, targetModel);
|
1419 | });
|
1420 | }
|
1421 | } else {
|
1422 | cb && cb(err);
|
1423 | }
|
1424 | });
|
1425 | return cb.promise;
|
1426 | };
|
1427 |
|
1428 | BelongsTo.prototype.build = function(targetModelData) {
|
1429 | const modelTo = this.definition.modelTo;
|
1430 | this.definition.applyProperties(this.modelInstance, targetModelData || {});
|
1431 | return new modelTo(targetModelData);
|
1432 | };
|
1433 |
|
1434 | BelongsTo.prototype.update = function(targetModelData, options, cb) {
|
1435 | if (typeof options === 'function' && cb === undefined) {
|
1436 | cb = options;
|
1437 | options = {};
|
1438 | }
|
1439 | cb = cb || utils.createPromiseCallback();
|
1440 | const definition = this.definition;
|
1441 | const fk = definition.keyTo;
|
1442 |
|
1443 | this.fetch(options, function(err, inst) {
|
1444 | if (inst instanceof ModelBaseClass) {
|
1445 |
|
1446 | const fkErr = preventFkOverride(inst, targetModelData, fk);
|
1447 | if (fkErr) return cb(fkErr);
|
1448 | inst.updateAttributes(targetModelData, options, cb);
|
1449 | } else {
|
1450 | cb(new Error(g.f('{{BelongsTo}} relation %s is empty', definition.name)));
|
1451 | }
|
1452 | });
|
1453 | return cb.promise;
|
1454 | };
|
1455 |
|
1456 | BelongsTo.prototype.destroy = function(options, cb) {
|
1457 | if (typeof options === 'function' && cb === undefined) {
|
1458 | cb = options;
|
1459 | options = {};
|
1460 | }
|
1461 |
|
1462 | const definition = this.definition;
|
1463 | const modelInstance = this.modelInstance;
|
1464 | const fk = definition.keyFrom;
|
1465 |
|
1466 | cb = cb || utils.createPromiseCallback();
|
1467 |
|
1468 | this.fetch(options, function(err, targetModel) {
|
1469 | if (targetModel instanceof ModelBaseClass) {
|
1470 | modelInstance[fk] = null;
|
1471 | modelInstance.save(options, function(err, targetModel) {
|
1472 | if (cb && err) return cb && cb(err);
|
1473 | cb && cb(err, targetModel);
|
1474 | });
|
1475 | } else {
|
1476 | cb(new Error(g.f('{{BelongsTo}} relation %s is empty', definition.name)));
|
1477 | }
|
1478 | });
|
1479 | return cb.promise;
|
1480 | };
|
1481 |
|
1482 |
|
1483 |
|
1484 |
|
1485 |
|
1486 |
|
1487 |
|
1488 |
|
1489 |
|
1490 |
|
1491 |
|
1492 |
|
1493 | BelongsTo.prototype.related = function(condOrRefresh, options, cb) {
|
1494 | const self = this;
|
1495 | const modelFrom = this.definition.modelFrom;
|
1496 | let modelTo = this.definition.modelTo;
|
1497 | const pk = this.definition.keyTo;
|
1498 | const fk = this.definition.keyFrom;
|
1499 | const modelInstance = this.modelInstance;
|
1500 | let discriminator;
|
1501 | let scopeQuery = null;
|
1502 | let newValue;
|
1503 |
|
1504 | if ((condOrRefresh instanceof ModelBaseClass) &&
|
1505 | options === undefined && cb === undefined) {
|
1506 |
|
1507 | newValue = condOrRefresh;
|
1508 | condOrRefresh = false;
|
1509 | } else if (typeof condOrRefresh === 'function' &&
|
1510 | options === undefined && cb === undefined) {
|
1511 |
|
1512 | cb = condOrRefresh;
|
1513 | condOrRefresh = false;
|
1514 | } else if (typeof options === 'function' && cb === undefined) {
|
1515 |
|
1516 | cb = options;
|
1517 | options = {};
|
1518 | }
|
1519 | if (!newValue) {
|
1520 | scopeQuery = condOrRefresh;
|
1521 | }
|
1522 |
|
1523 | if (typeof this.definition.polymorphic === 'object') {
|
1524 | discriminator = this.definition.polymorphic.discriminator;
|
1525 | }
|
1526 |
|
1527 | let cachedValue;
|
1528 | if (!condOrRefresh) {
|
1529 | cachedValue = self.getCache();
|
1530 | }
|
1531 | if (newValue) {
|
1532 | modelInstance[fk] = newValue[pk];
|
1533 |
|
1534 | if (discriminator) {
|
1535 | modelInstance[discriminator] = newValue.constructor.modelName;
|
1536 | }
|
1537 |
|
1538 | this.definition.applyProperties(modelInstance, newValue);
|
1539 |
|
1540 | self.resetCache(newValue);
|
1541 | } else if (typeof cb === 'function') {
|
1542 | if (discriminator) {
|
1543 | let modelToName = modelInstance[discriminator];
|
1544 | if (typeof modelToName !== 'string') {
|
1545 | throw new Error(g.f('{{Polymorphic}} model not found: `%s` not set', discriminator));
|
1546 | }
|
1547 | modelToName = modelToName.toLowerCase();
|
1548 | modelTo = lookupModel(modelFrom.dataSource.modelBuilder.models, modelToName);
|
1549 | if (!modelTo) {
|
1550 | throw new Error(g.f('{{Polymorphic}} model not found: `%s`', modelToName));
|
1551 | }
|
1552 | }
|
1553 |
|
1554 | if (cachedValue === undefined || !(cachedValue instanceof ModelBaseClass)) {
|
1555 | const query = {where: {}};
|
1556 | query.where[pk] = modelInstance[fk];
|
1557 |
|
1558 | if (query.where[pk] === undefined || query.where[pk] === null) {
|
1559 |
|
1560 | return process.nextTick(cb);
|
1561 | }
|
1562 |
|
1563 | this.definition.applyScope(modelInstance, query);
|
1564 |
|
1565 | if (scopeQuery) mergeQuery(query, scopeQuery);
|
1566 |
|
1567 | if (Array.isArray(query.fields) && query.fields.indexOf(pk) === -1) {
|
1568 | query.fields.push(pk);
|
1569 | }
|
1570 |
|
1571 | modelTo.findOne(query, options, function(err, inst) {
|
1572 | if (err) {
|
1573 | return cb(err);
|
1574 | }
|
1575 | if (!inst) {
|
1576 | return cb(null, null);
|
1577 | }
|
1578 |
|
1579 | if (inst[pk] != null && modelInstance[fk] != null &&
|
1580 | inst[pk].toString() === modelInstance[fk].toString()) {
|
1581 | self.resetCache(inst);
|
1582 | cb(null, inst);
|
1583 | } else {
|
1584 | err = new Error(g.f('Key mismatch: %s.%s: %s, %s.%s: %s',
|
1585 | self.definition.modelFrom.modelName, fk, modelInstance[fk],
|
1586 | modelTo.modelName, pk, inst[pk]));
|
1587 | err.statusCode = 400;
|
1588 | cb(err);
|
1589 | }
|
1590 | });
|
1591 | return modelInstance[fk];
|
1592 | } else {
|
1593 | cb(null, cachedValue);
|
1594 | return cachedValue;
|
1595 | }
|
1596 | } else if (condOrRefresh === undefined) {
|
1597 | return cachedValue;
|
1598 | } else {
|
1599 | modelInstance[fk] = newValue;
|
1600 | self.resetCache();
|
1601 | }
|
1602 | };
|
1603 |
|
1604 |
|
1605 |
|
1606 |
|
1607 |
|
1608 |
|
1609 |
|
1610 |
|
1611 | BelongsTo.prototype.get = function(options, cb) {
|
1612 | if (typeof options === 'function' && cb === undefined) {
|
1613 | cb = options;
|
1614 | options = {};
|
1615 | }
|
1616 | cb = cb || utils.createPromiseCallback();
|
1617 | this.related(true, options, cb);
|
1618 | return cb.promise;
|
1619 | };
|
1620 |
|
1621 |
|
1622 |
|
1623 |
|
1624 |
|
1625 |
|
1626 |
|
1627 |
|
1628 |
|
1629 |
|
1630 |
|
1631 |
|
1632 |
|
1633 |
|
1634 |
|
1635 |
|
1636 |
|
1637 |
|
1638 | RelationDefinition.hasAndBelongsToMany = function hasAndBelongsToMany(modelFrom, modelToRef, params) {
|
1639 | params = params || {};
|
1640 | normalizeRelationAs(params, modelToRef);
|
1641 | const modelTo = lookupModelTo(modelFrom, modelToRef, params, true);
|
1642 |
|
1643 | const models = modelFrom.dataSource.modelBuilder.models;
|
1644 |
|
1645 | if (!params.through) {
|
1646 | if (params.polymorphic) throw new Error(g.f('{{Polymorphic}} relations need a through model'));
|
1647 |
|
1648 | if (params.throughTable) {
|
1649 | params.through = modelFrom.dataSource.define(params.throughTable);
|
1650 | } else {
|
1651 | const name1 = modelFrom.modelName + modelTo.modelName;
|
1652 | const name2 = modelTo.modelName + modelFrom.modelName;
|
1653 | params.through = lookupModel(models, name1) || lookupModel(models, name2) ||
|
1654 | modelFrom.dataSource.define(name1);
|
1655 | }
|
1656 | }
|
1657 |
|
1658 | const options = {as: params.as, through: params.through};
|
1659 | options.properties = params.properties;
|
1660 | options.scope = params.scope;
|
1661 |
|
1662 |
|
1663 | options.options = params.options;
|
1664 |
|
1665 | if (params.polymorphic) {
|
1666 | const relationName = params.as || i8n.camelize(modelTo.pluralModelName, true);
|
1667 | const polymorphic = normalizePolymorphic(params.polymorphic, relationName);
|
1668 | options.polymorphic = polymorphic;
|
1669 | const accessor = params.through.prototype[polymorphic.selector];
|
1670 | if (typeof accessor !== 'function') {
|
1671 |
|
1672 | params.through.belongsTo(polymorphic.selector, {polymorphic: true});
|
1673 | }
|
1674 | } else {
|
1675 | params.through.belongsTo(modelFrom);
|
1676 | }
|
1677 |
|
1678 | params.through.belongsTo(modelTo);
|
1679 |
|
1680 | return this.hasMany(modelFrom, modelTo, options);
|
1681 | };
|
1682 |
|
1683 |
|
1684 |
|
1685 |
|
1686 |
|
1687 |
|
1688 |
|
1689 |
|
1690 |
|
1691 |
|
1692 |
|
1693 |
|
1694 |
|
1695 |
|
1696 |
|
1697 |
|
1698 | RelationDefinition.hasOne = function(modelFrom, modelToRef, params) {
|
1699 | params = params || {};
|
1700 | normalizeRelationAs(params, modelToRef);
|
1701 | const modelTo = lookupModelTo(modelFrom, modelToRef, params);
|
1702 |
|
1703 | const pk = params.primaryKey || modelFrom.dataSource.idName(modelFrom.modelName) || 'id';
|
1704 | const relationName = params.as || i8n.camelize(modelTo.modelName, true);
|
1705 |
|
1706 | let fk = params.foreignKey || i8n.camelize(modelFrom.modelName + '_id', true);
|
1707 | let discriminator, polymorphic;
|
1708 |
|
1709 | if (params.polymorphic) {
|
1710 | polymorphic = normalizePolymorphic(params.polymorphic, relationName);
|
1711 | fk = polymorphic.foreignKey;
|
1712 | discriminator = polymorphic.discriminator;
|
1713 | if (!params.through) {
|
1714 | modelTo.dataSource.defineProperty(modelTo.modelName, discriminator, {type: 'string', index: true});
|
1715 | }
|
1716 | }
|
1717 |
|
1718 | const definition = modelFrom.relations[relationName] = new RelationDefinition({
|
1719 | name: relationName,
|
1720 | type: RelationTypes.hasOne,
|
1721 | modelFrom: modelFrom,
|
1722 | keyFrom: pk,
|
1723 | keyTo: fk,
|
1724 | modelTo: modelTo,
|
1725 | multiple: false,
|
1726 | properties: params.properties,
|
1727 | scope: params.scope,
|
1728 | options: params.options,
|
1729 | polymorphic: polymorphic,
|
1730 | methods: params.methods,
|
1731 | });
|
1732 |
|
1733 | modelTo.dataSource.defineForeignKey(modelTo.modelName, fk, modelFrom.modelName, pk);
|
1734 |
|
1735 |
|
1736 | Object.defineProperty(modelFrom.prototype, relationName, {
|
1737 | enumerable: true,
|
1738 | configurable: true,
|
1739 | get: function() {
|
1740 | const relation = new HasOne(definition, this);
|
1741 | const relationMethod = relation.related.bind(relation);
|
1742 | relationMethod.get = relation.get.bind(relation);
|
1743 | relationMethod.getAsync = function() {
|
1744 | deprecated(g.f('HasOne method "getAsync()" is deprecated, use "get()" instead.'));
|
1745 | return this.get.apply(this, arguments);
|
1746 | };
|
1747 | relationMethod.create = relation.create.bind(relation);
|
1748 | relationMethod.build = relation.build.bind(relation);
|
1749 | relationMethod.update = relation.update.bind(relation);
|
1750 | relationMethod.destroy = relation.destroy.bind(relation);
|
1751 | relationMethod._targetClass = definition.modelTo.modelName;
|
1752 | bindRelationMethods(relation, relationMethod, definition);
|
1753 | return relationMethod;
|
1754 | },
|
1755 | });
|
1756 |
|
1757 |
|
1758 |
|
1759 |
|
1760 | modelFrom.prototype['__get__' + relationName] = function() {
|
1761 | const f = this[relationName];
|
1762 | f.apply(this, arguments);
|
1763 | };
|
1764 |
|
1765 | modelFrom.prototype['__create__' + relationName] = function() {
|
1766 | const f = this[relationName].create;
|
1767 | f.apply(this, arguments);
|
1768 | };
|
1769 |
|
1770 | modelFrom.prototype['__update__' + relationName] = function() {
|
1771 | const f = this[relationName].update;
|
1772 | f.apply(this, arguments);
|
1773 | };
|
1774 |
|
1775 | modelFrom.prototype['__destroy__' + relationName] = function() {
|
1776 | const f = this[relationName].destroy;
|
1777 | f.apply(this, arguments);
|
1778 | };
|
1779 |
|
1780 | return definition;
|
1781 | };
|
1782 |
|
1783 |
|
1784 |
|
1785 |
|
1786 |
|
1787 |
|
1788 |
|
1789 |
|
1790 | HasOne.prototype.create = function(targetModelData, options, cb) {
|
1791 | if (typeof options === 'function' && cb === undefined) {
|
1792 |
|
1793 | cb = options;
|
1794 | options = {};
|
1795 | }
|
1796 | const self = this;
|
1797 | const modelTo = this.definition.modelTo;
|
1798 | const fk = this.definition.keyTo;
|
1799 | const pk = this.definition.keyFrom;
|
1800 | const modelInstance = this.modelInstance;
|
1801 |
|
1802 | if (typeof targetModelData === 'function' && !cb) {
|
1803 | cb = targetModelData;
|
1804 | targetModelData = {};
|
1805 | }
|
1806 | targetModelData = targetModelData || {};
|
1807 | cb = cb || utils.createPromiseCallback();
|
1808 |
|
1809 | targetModelData[fk] = modelInstance[pk];
|
1810 | const query = {where: {}};
|
1811 | query.where[fk] = targetModelData[fk];
|
1812 |
|
1813 | this.definition.applyScope(modelInstance, query);
|
1814 | this.definition.applyProperties(modelInstance, targetModelData);
|
1815 |
|
1816 | modelTo.findOrCreate(query, targetModelData, options,
|
1817 | function(err, targetModel, created) {
|
1818 | if (err) {
|
1819 | return cb && cb(err);
|
1820 | }
|
1821 | if (created) {
|
1822 |
|
1823 | self.resetCache(targetModel);
|
1824 | cb && cb(err, targetModel);
|
1825 | } else {
|
1826 | cb && cb(new Error(g.f(
|
1827 | '{{HasOne}} relation cannot create more than one instance of %s',
|
1828 | modelTo.modelName,
|
1829 | )));
|
1830 | }
|
1831 | });
|
1832 | return cb.promise;
|
1833 | };
|
1834 |
|
1835 | HasOne.prototype.update = function(targetModelData, options, cb) {
|
1836 | if (typeof options === 'function' && cb === undefined) {
|
1837 |
|
1838 | cb = options;
|
1839 | options = {};
|
1840 | }
|
1841 | cb = cb || utils.createPromiseCallback();
|
1842 | const definition = this.definition;
|
1843 | const fk = this.definition.keyTo;
|
1844 | this.fetch(function(err, targetModel) {
|
1845 | if (targetModel instanceof ModelBaseClass) {
|
1846 |
|
1847 | const fkErr = preventFkOverride(targetModel, targetModelData, fk);
|
1848 | if (fkErr) return cb(fkErr);
|
1849 | targetModel.updateAttributes(targetModelData, options, cb);
|
1850 | } else {
|
1851 | cb(new Error(g.f('{{HasOne}} relation %s is empty', definition.name)));
|
1852 | }
|
1853 | });
|
1854 | return cb.promise;
|
1855 | };
|
1856 |
|
1857 | HasOne.prototype.destroy = function(options, cb) {
|
1858 | if (typeof options === 'function' && cb === undefined) {
|
1859 |
|
1860 | cb = options;
|
1861 | options = {};
|
1862 | }
|
1863 | cb = cb || utils.createPromiseCallback();
|
1864 | const definition = this.definition;
|
1865 | this.fetch(function(err, targetModel) {
|
1866 | if (targetModel instanceof ModelBaseClass) {
|
1867 | targetModel.destroy(options, cb);
|
1868 | } else {
|
1869 | cb(new Error(g.f('{{HasOne}} relation %s is empty', definition.name)));
|
1870 | }
|
1871 | });
|
1872 | return cb.promise;
|
1873 | };
|
1874 |
|
1875 |
|
1876 |
|
1877 |
|
1878 |
|
1879 |
|
1880 |
|
1881 |
|
1882 | HasMany.prototype.create = function(targetModelData, options, cb) {
|
1883 | if (typeof options === 'function' && cb === undefined) {
|
1884 |
|
1885 | cb = options;
|
1886 | options = {};
|
1887 | }
|
1888 | const self = this;
|
1889 | const modelTo = this.definition.modelTo;
|
1890 | const fk = this.definition.keyTo;
|
1891 | const pk = this.definition.keyFrom;
|
1892 | const modelInstance = this.modelInstance;
|
1893 |
|
1894 | if (typeof targetModelData === 'function' && !cb) {
|
1895 | cb = targetModelData;
|
1896 | targetModelData = {};
|
1897 | }
|
1898 | targetModelData = targetModelData || {};
|
1899 | cb = cb || utils.createPromiseCallback();
|
1900 |
|
1901 | const fkAndProps = function(item) {
|
1902 | item[fk] = modelInstance[pk];
|
1903 | self.definition.applyProperties(modelInstance, item);
|
1904 | };
|
1905 |
|
1906 | const apply = function(data, fn) {
|
1907 | if (Array.isArray(data)) {
|
1908 | data.forEach(fn);
|
1909 | } else {
|
1910 | fn(data);
|
1911 | }
|
1912 | };
|
1913 |
|
1914 | apply(targetModelData, fkAndProps);
|
1915 |
|
1916 | modelTo.create(targetModelData, options, function(err, targetModel) {
|
1917 | if (!err) {
|
1918 |
|
1919 | apply(targetModel, self.addToCache.bind(self));
|
1920 | cb && cb(err, targetModel);
|
1921 | } else {
|
1922 | cb && cb(err);
|
1923 | }
|
1924 | });
|
1925 | return cb.promise;
|
1926 | };
|
1927 |
|
1928 |
|
1929 |
|
1930 |
|
1931 |
|
1932 | HasMany.prototype.build = HasOne.prototype.build = function(targetModelData) {
|
1933 | const modelTo = this.definition.modelTo;
|
1934 | const pk = this.definition.keyFrom;
|
1935 | const fk = this.definition.keyTo;
|
1936 |
|
1937 | targetModelData = targetModelData || {};
|
1938 | targetModelData[fk] = this.modelInstance[pk];
|
1939 |
|
1940 | this.definition.applyProperties(this.modelInstance, targetModelData);
|
1941 |
|
1942 | return new modelTo(targetModelData);
|
1943 | };
|
1944 |
|
1945 |
|
1946 |
|
1947 |
|
1948 |
|
1949 |
|
1950 |
|
1951 |
|
1952 |
|
1953 |
|
1954 |
|
1955 |
|
1956 | HasOne.prototype.related = function(condOrRefresh, options, cb) {
|
1957 | const self = this;
|
1958 | const modelTo = this.definition.modelTo;
|
1959 | const fk = this.definition.keyTo;
|
1960 | const pk = this.definition.keyFrom;
|
1961 | const definition = this.definition;
|
1962 | const modelInstance = this.modelInstance;
|
1963 | let newValue;
|
1964 |
|
1965 | if ((condOrRefresh instanceof ModelBaseClass) &&
|
1966 | options === undefined && cb === undefined) {
|
1967 |
|
1968 | newValue = condOrRefresh;
|
1969 | condOrRefresh = false;
|
1970 | } else if (typeof condOrRefresh === 'function' &&
|
1971 | options === undefined && cb === undefined) {
|
1972 |
|
1973 | cb = condOrRefresh;
|
1974 | condOrRefresh = false;
|
1975 | } else if (typeof options === 'function' && cb === undefined) {
|
1976 |
|
1977 | cb = options;
|
1978 | options = {};
|
1979 | }
|
1980 |
|
1981 | let cachedValue;
|
1982 | if (!condOrRefresh) {
|
1983 | cachedValue = self.getCache();
|
1984 | }
|
1985 | if (newValue) {
|
1986 | newValue[fk] = modelInstance[pk];
|
1987 | self.resetCache(newValue);
|
1988 | } else if (typeof cb === 'function') {
|
1989 | if (cachedValue === undefined) {
|
1990 | const query = {where: {}};
|
1991 | query.where[fk] = modelInstance[pk];
|
1992 | definition.applyScope(modelInstance, query);
|
1993 | modelTo.findOne(query, options, function(err, inst) {
|
1994 | if (err) {
|
1995 | return cb(err);
|
1996 | }
|
1997 | if (!inst) {
|
1998 | return cb(null, null);
|
1999 | }
|
2000 |
|
2001 | if (inst[fk] != null && modelInstance[pk] != null &&
|
2002 | inst[fk].toString() === modelInstance[pk].toString()) {
|
2003 | self.resetCache(inst);
|
2004 | cb(null, inst);
|
2005 | } else {
|
2006 | err = new Error(g.f('Key mismatch: %s.%s: %s, %s.%s: %s',
|
2007 | self.definition.modelFrom.modelName, pk, modelInstance[pk],
|
2008 | modelTo.modelName, fk, inst[fk]));
|
2009 | err.statusCode = 400;
|
2010 | cb(err);
|
2011 | }
|
2012 | });
|
2013 | return modelInstance[pk];
|
2014 | } else {
|
2015 | cb(null, cachedValue);
|
2016 | return cachedValue;
|
2017 | }
|
2018 | } else if (condOrRefresh === undefined) {
|
2019 | return cachedValue;
|
2020 | } else {
|
2021 | newValue[fk] = modelInstance[pk];
|
2022 | self.resetCache();
|
2023 | }
|
2024 | };
|
2025 |
|
2026 |
|
2027 |
|
2028 |
|
2029 |
|
2030 |
|
2031 |
|
2032 |
|
2033 | HasOne.prototype.get = function(options, cb) {
|
2034 | if (typeof options === 'function' && cb === undefined) {
|
2035 | cb = options;
|
2036 | options = {};
|
2037 | }
|
2038 | cb = cb || utils.createPromiseCallback();
|
2039 | this.related(true, cb);
|
2040 | return cb.promise;
|
2041 | };
|
2042 |
|
2043 | RelationDefinition.embedsOne = function(modelFrom, modelToRef, params) {
|
2044 | params = params || {};
|
2045 | normalizeRelationAs(params, modelToRef);
|
2046 | const modelTo = lookupModelTo(modelFrom, modelToRef, params);
|
2047 |
|
2048 | const thisClassName = modelFrom.modelName;
|
2049 | const relationName = params.as || (i8n.camelize(modelTo.modelName, true) + 'Item');
|
2050 | let propertyName = params.property || i8n.camelize(modelTo.modelName, true);
|
2051 | const idName = modelTo.dataSource.idName(modelTo.modelName) || 'id';
|
2052 |
|
2053 | if (relationName === propertyName) {
|
2054 | propertyName = '_' + propertyName;
|
2055 | debug('EmbedsOne property cannot be equal to relation name: ' +
|
2056 | 'forcing property %s for relation %s', propertyName, relationName);
|
2057 | }
|
2058 |
|
2059 | const definition = modelFrom.relations[relationName] = new RelationDefinition({
|
2060 | name: relationName,
|
2061 | type: RelationTypes.embedsOne,
|
2062 | modelFrom: modelFrom,
|
2063 | keyFrom: propertyName,
|
2064 | keyTo: idName,
|
2065 | modelTo: modelTo,
|
2066 | multiple: false,
|
2067 | properties: params.properties,
|
2068 | scope: params.scope,
|
2069 | options: params.options,
|
2070 | embed: true,
|
2071 | methods: params.methods,
|
2072 | });
|
2073 |
|
2074 | const opts = Object.assign(
|
2075 | params.options && params.options.property ? params.options.property : {},
|
2076 | {type: modelTo},
|
2077 | );
|
2078 |
|
2079 | if (params.default === true) {
|
2080 | opts.default = function() { return new modelTo(); };
|
2081 | } else if (typeof params.default === 'object') {
|
2082 | opts.default = (function(def) {
|
2083 | return function() {
|
2084 | return new modelTo(def);
|
2085 | };
|
2086 | }(params.default));
|
2087 | }
|
2088 |
|
2089 | modelFrom.dataSource.defineProperty(modelFrom.modelName, propertyName, opts);
|
2090 |
|
2091 |
|
2092 | if (definition.options.validate !== false) {
|
2093 | modelFrom.validate(relationName, function(err) {
|
2094 | const inst = this[propertyName];
|
2095 | if (inst instanceof modelTo) {
|
2096 | if (!inst.isValid()) {
|
2097 | const first = Object.keys(inst.errors)[0];
|
2098 | const msg = 'is invalid: `' + first + '` ' + inst.errors[first];
|
2099 | this.errors.add(relationName, msg, 'invalid');
|
2100 | err(false);
|
2101 | }
|
2102 | }
|
2103 | });
|
2104 | }
|
2105 |
|
2106 |
|
2107 | Object.defineProperty(modelFrom.prototype, relationName, {
|
2108 | enumerable: true,
|
2109 | configurable: true,
|
2110 | get: function() {
|
2111 | const relation = new EmbedsOne(definition, this);
|
2112 | const relationMethod = relation.related.bind(relation);
|
2113 | relationMethod.create = relation.create.bind(relation);
|
2114 | relationMethod.build = relation.build.bind(relation);
|
2115 | relationMethod.update = relation.update.bind(relation);
|
2116 | relationMethod.destroy = relation.destroy.bind(relation);
|
2117 | relationMethod.value = relation.embeddedValue.bind(relation);
|
2118 | relationMethod._targetClass = definition.modelTo.modelName;
|
2119 | bindRelationMethods(relation, relationMethod, definition);
|
2120 | return relationMethod;
|
2121 | },
|
2122 | });
|
2123 |
|
2124 |
|
2125 |
|
2126 |
|
2127 | modelFrom.prototype['__get__' + relationName] = function() {
|
2128 | const f = this[relationName];
|
2129 | f.apply(this, arguments);
|
2130 | };
|
2131 |
|
2132 | modelFrom.prototype['__create__' + relationName] = function() {
|
2133 | const f = this[relationName].create;
|
2134 | f.apply(this, arguments);
|
2135 | };
|
2136 |
|
2137 | modelFrom.prototype['__update__' + relationName] = function() {
|
2138 | const f = this[relationName].update;
|
2139 | f.apply(this, arguments);
|
2140 | };
|
2141 |
|
2142 | modelFrom.prototype['__destroy__' + relationName] = function() {
|
2143 | const f = this[relationName].destroy;
|
2144 | f.apply(this, arguments);
|
2145 | };
|
2146 |
|
2147 | return definition;
|
2148 | };
|
2149 |
|
2150 | EmbedsOne.prototype.related = function(condOrRefresh, options, cb) {
|
2151 | const modelTo = this.definition.modelTo;
|
2152 | const modelInstance = this.modelInstance;
|
2153 | const propertyName = this.definition.keyFrom;
|
2154 | let newValue;
|
2155 |
|
2156 | if ((condOrRefresh instanceof ModelBaseClass) &&
|
2157 | options === undefined && cb === undefined) {
|
2158 |
|
2159 | newValue = condOrRefresh;
|
2160 | condOrRefresh = false;
|
2161 | } else if (typeof condOrRefresh === 'function' &&
|
2162 | options === undefined && cb === undefined) {
|
2163 |
|
2164 | cb = condOrRefresh;
|
2165 | condOrRefresh = false;
|
2166 | } else if (typeof options === 'function' && cb === undefined) {
|
2167 |
|
2168 | cb = options;
|
2169 | options = {};
|
2170 | }
|
2171 |
|
2172 | if (newValue) {
|
2173 | if (newValue instanceof modelTo) {
|
2174 | this.definition.applyProperties(modelInstance, newValue);
|
2175 | modelInstance.setAttribute(propertyName, newValue);
|
2176 | }
|
2177 | return;
|
2178 | }
|
2179 |
|
2180 | const embeddedInstance = this.embeddedValue();
|
2181 |
|
2182 | if (embeddedInstance) {
|
2183 | embeddedInstance.__persisted = true;
|
2184 | }
|
2185 |
|
2186 | if (typeof cb === 'function') {
|
2187 | process.nextTick(function() {
|
2188 | cb(null, embeddedInstance);
|
2189 | });
|
2190 | } else if (condOrRefresh === undefined) {
|
2191 | return embeddedInstance;
|
2192 | }
|
2193 | };
|
2194 |
|
2195 | EmbedsOne.prototype.prepareEmbeddedInstance = function(inst) {
|
2196 | if (inst && inst.triggerParent !== 'function') {
|
2197 | const self = this;
|
2198 | const propertyName = this.definition.keyFrom;
|
2199 | const modelInstance = this.modelInstance;
|
2200 | if (this.definition.options.persistent) {
|
2201 | const pk = this.definition.keyTo;
|
2202 | inst.__persisted = !!inst[pk];
|
2203 | } else {
|
2204 | inst.__persisted = true;
|
2205 | }
|
2206 | inst.triggerParent = function(actionName, callback) {
|
2207 | if (actionName === 'save') {
|
2208 | const embeddedValue = self.embeddedValue();
|
2209 | modelInstance.updateAttribute(propertyName,
|
2210 | embeddedValue, function(err, modelInst) {
|
2211 | callback(err, err ? null : modelInst);
|
2212 | });
|
2213 | } else if (actionName === 'destroy') {
|
2214 | modelInstance.unsetAttribute(propertyName, true);
|
2215 |
|
2216 | modelInstance.save(function(err, modelInst) {
|
2217 | callback(err, modelInst);
|
2218 | });
|
2219 | } else {
|
2220 | process.nextTick(callback);
|
2221 | }
|
2222 | };
|
2223 | const originalTrigger = inst.trigger;
|
2224 | inst.trigger = function(actionName, work, data, callback) {
|
2225 | if (typeof work === 'function') {
|
2226 | const originalWork = work;
|
2227 | work = function(next) {
|
2228 | originalWork.call(this, function(done) {
|
2229 | inst.triggerParent(actionName, function(err, inst) {
|
2230 | next(done);
|
2231 | });
|
2232 | });
|
2233 | };
|
2234 | }
|
2235 | originalTrigger.call(this, actionName, work, data, callback);
|
2236 | };
|
2237 | }
|
2238 | };
|
2239 |
|
2240 | EmbedsOne.prototype.embeddedValue = function(modelInstance) {
|
2241 | modelInstance = modelInstance || this.modelInstance;
|
2242 | const embeddedValue = modelInstance[this.definition.keyFrom];
|
2243 | this.prepareEmbeddedInstance(embeddedValue);
|
2244 | return embeddedValue;
|
2245 | };
|
2246 |
|
2247 | EmbedsOne.prototype.create = function(targetModelData, options, cb) {
|
2248 | if (typeof options === 'function' && cb === undefined) {
|
2249 |
|
2250 | cb = options;
|
2251 | options = {};
|
2252 | }
|
2253 | const modelTo = this.definition.modelTo;
|
2254 | const propertyName = this.definition.keyFrom;
|
2255 | const modelInstance = this.modelInstance;
|
2256 |
|
2257 | if (typeof targetModelData === 'function' && !cb) {
|
2258 | cb = targetModelData;
|
2259 | targetModelData = {};
|
2260 | }
|
2261 |
|
2262 | targetModelData = targetModelData || {};
|
2263 | cb = cb || utils.createPromiseCallback();
|
2264 |
|
2265 | const inst = this.callScopeMethod('build', targetModelData);
|
2266 |
|
2267 | const updateEmbedded = function(callback) {
|
2268 | if (modelInstance.isNewRecord()) {
|
2269 | modelInstance.setAttribute(propertyName, inst);
|
2270 | modelInstance.save(options, function(err) {
|
2271 | callback(err, err ? null : inst);
|
2272 | });
|
2273 | } else {
|
2274 | modelInstance.updateAttribute(propertyName,
|
2275 | inst, options, function(err) {
|
2276 | callback(err, err ? null : inst);
|
2277 | });
|
2278 | }
|
2279 | };
|
2280 |
|
2281 | if (this.definition.options.persistent) {
|
2282 | inst.save(options, function(err) {
|
2283 | if (err) return cb(err, inst);
|
2284 | updateEmbedded(cb);
|
2285 | });
|
2286 | } else {
|
2287 | const context = {
|
2288 | Model: modelTo,
|
2289 | instance: inst,
|
2290 | options: options || {},
|
2291 | hookState: {},
|
2292 | };
|
2293 | modelTo.notifyObserversOf('before save', context, function(err) {
|
2294 | if (err) {
|
2295 | return process.nextTick(function() {
|
2296 | cb(err);
|
2297 | });
|
2298 | }
|
2299 |
|
2300 | err = inst.isValid() ? null : new ValidationError(inst);
|
2301 | if (err) {
|
2302 | process.nextTick(function() {
|
2303 | cb(err);
|
2304 | });
|
2305 | } else {
|
2306 | updateEmbedded(function(err, inst) {
|
2307 | if (err) return cb(err);
|
2308 | context.instance = inst;
|
2309 | modelTo.notifyObserversOf('after save', context, function(err) {
|
2310 | cb(err, err ? null : inst);
|
2311 | });
|
2312 | });
|
2313 | }
|
2314 | });
|
2315 | }
|
2316 | return cb.promise;
|
2317 | };
|
2318 |
|
2319 | EmbedsOne.prototype.build = function(targetModelData) {
|
2320 | const modelTo = this.definition.modelTo;
|
2321 | const modelInstance = this.modelInstance;
|
2322 | const propertyName = this.definition.keyFrom;
|
2323 | const forceId = this.definition.options.forceId;
|
2324 | const persistent = this.definition.options.persistent;
|
2325 | const connector = modelTo.dataSource.connector;
|
2326 |
|
2327 | targetModelData = targetModelData || {};
|
2328 |
|
2329 | this.definition.applyProperties(modelInstance, targetModelData);
|
2330 |
|
2331 | const pk = this.definition.keyTo;
|
2332 | const pkProp = modelTo.definition.properties[pk];
|
2333 |
|
2334 | let assignId = (forceId || targetModelData[pk] === undefined);
|
2335 | assignId = assignId && !persistent && (pkProp && pkProp.generated);
|
2336 |
|
2337 | if (assignId && typeof connector.generateId === 'function') {
|
2338 | const id = connector.generateId(modelTo.modelName, targetModelData, pk);
|
2339 | targetModelData[pk] = id;
|
2340 | }
|
2341 |
|
2342 | const embeddedInstance = new modelTo(targetModelData);
|
2343 | modelInstance[propertyName] = embeddedInstance;
|
2344 |
|
2345 | this.prepareEmbeddedInstance(embeddedInstance);
|
2346 |
|
2347 | return embeddedInstance;
|
2348 | };
|
2349 |
|
2350 | EmbedsOne.prototype.update = function(targetModelData, options, cb) {
|
2351 | if (typeof options === 'function' && cb === undefined) {
|
2352 |
|
2353 | cb = options;
|
2354 | options = {};
|
2355 | }
|
2356 |
|
2357 | const modelTo = this.definition.modelTo;
|
2358 | const modelInstance = this.modelInstance;
|
2359 | const propertyName = this.definition.keyFrom;
|
2360 |
|
2361 | const isInst = targetModelData instanceof ModelBaseClass;
|
2362 | const data = isInst ? targetModelData.toObject() : targetModelData;
|
2363 |
|
2364 | const embeddedInstance = this.embeddedValue();
|
2365 | if (embeddedInstance instanceof modelTo) {
|
2366 | cb = cb || utils.createPromiseCallback();
|
2367 | const hookState = {};
|
2368 | let context = {
|
2369 | Model: modelTo,
|
2370 | currentInstance: embeddedInstance,
|
2371 | data: data,
|
2372 | options: options || {},
|
2373 | hookState: hookState,
|
2374 | };
|
2375 | modelTo.notifyObserversOf('before save', context, function(err) {
|
2376 | if (err) return cb(err);
|
2377 |
|
2378 | embeddedInstance.setAttributes(context.data);
|
2379 |
|
2380 |
|
2381 | if (!embeddedInstance.isValid()) {
|
2382 | return cb(new ValidationError(embeddedInstance));
|
2383 | }
|
2384 |
|
2385 | modelInstance.save(function(err, inst) {
|
2386 | if (err) return cb(err);
|
2387 |
|
2388 | context = {
|
2389 | Model: modelTo,
|
2390 | instance: inst ? inst[propertyName] : embeddedInstance,
|
2391 | options: options || {},
|
2392 | hookState: hookState,
|
2393 | };
|
2394 | modelTo.notifyObserversOf('after save', context, function(err) {
|
2395 | cb(err, context.instance);
|
2396 | });
|
2397 | });
|
2398 | });
|
2399 | } else if (!embeddedInstance && cb) {
|
2400 | return this.callScopeMethod('create', data, cb);
|
2401 | } else if (!embeddedInstance) {
|
2402 | return this.callScopeMethod('build', data);
|
2403 | }
|
2404 | return cb.promise;
|
2405 | };
|
2406 |
|
2407 | EmbedsOne.prototype.destroy = function(options, cb) {
|
2408 | if (typeof options === 'function' && cb === undefined) {
|
2409 |
|
2410 | cb = options;
|
2411 | options = {};
|
2412 | }
|
2413 | cb = cb || utils.createPromiseCallback();
|
2414 | const modelTo = this.definition.modelTo;
|
2415 | const modelInstance = this.modelInstance;
|
2416 | const propertyName = this.definition.keyFrom;
|
2417 | const embeddedInstance = modelInstance[propertyName];
|
2418 |
|
2419 | if (!embeddedInstance) {
|
2420 | cb();
|
2421 | return cb.promise;
|
2422 | }
|
2423 |
|
2424 | modelInstance.unsetAttribute(propertyName, true);
|
2425 |
|
2426 | const context = {
|
2427 | Model: modelTo,
|
2428 | instance: embeddedInstance,
|
2429 | options: options || {},
|
2430 | hookState: {},
|
2431 | };
|
2432 | modelTo.notifyObserversOf('before delete', context, function(err) {
|
2433 | if (err) return cb(err);
|
2434 | modelInstance.save(function(err, result) {
|
2435 | if (err) return cb(err);
|
2436 | modelTo.notifyObserversOf('after delete', context, cb);
|
2437 | });
|
2438 | });
|
2439 |
|
2440 | return cb.promise;
|
2441 | };
|
2442 |
|
2443 | RelationDefinition.embedsMany = function embedsMany(modelFrom, modelToRef, params) {
|
2444 | params = params || {};
|
2445 | normalizeRelationAs(params, modelToRef);
|
2446 | const modelTo = lookupModelTo(modelFrom, modelToRef, params, true);
|
2447 |
|
2448 | const thisClassName = modelFrom.modelName;
|
2449 | const relationName = params.as || (i8n.camelize(modelTo.modelName, true) + 'List');
|
2450 | let propertyName = params.property || i8n.camelize(modelTo.pluralModelName, true);
|
2451 | const idName = modelTo.dataSource.idName(modelTo.modelName) || 'id';
|
2452 |
|
2453 | if (relationName === propertyName) {
|
2454 | propertyName = '_' + propertyName;
|
2455 | debug('EmbedsMany property cannot be equal to relation name: ' +
|
2456 | 'forcing property %s for relation %s', propertyName, relationName);
|
2457 | }
|
2458 |
|
2459 | const definition = modelFrom.relations[relationName] = new RelationDefinition({
|
2460 | name: relationName,
|
2461 | type: RelationTypes.embedsMany,
|
2462 | modelFrom: modelFrom,
|
2463 | keyFrom: propertyName,
|
2464 | keyTo: idName,
|
2465 | modelTo: modelTo,
|
2466 | multiple: true,
|
2467 | properties: params.properties,
|
2468 | scope: params.scope,
|
2469 | options: params.options,
|
2470 | embed: true,
|
2471 | });
|
2472 |
|
2473 | const opts = Object.assign(
|
2474 | params.options && params.options.property ? params.options.property : {},
|
2475 | params.options && params.options.omitDefaultEmbeddedItem ? {type: [modelTo]} :
|
2476 | {
|
2477 | type: [modelTo],
|
2478 | default: function() { return []; },
|
2479 | },
|
2480 | );
|
2481 |
|
2482 | modelFrom.dataSource.defineProperty(modelFrom.modelName, propertyName, opts);
|
2483 |
|
2484 | if (typeof modelTo.dataSource.connector.generateId !== 'function') {
|
2485 | modelFrom.validate(propertyName, function(err) {
|
2486 | const self = this;
|
2487 | const embeddedList = this[propertyName] || [];
|
2488 | let hasErrors = false;
|
2489 | embeddedList.forEach(function(item, idx) {
|
2490 | if (item instanceof modelTo && item[idName] == undefined) {
|
2491 | hasErrors = true;
|
2492 | let msg = 'contains invalid item at index `' + idx + '`:';
|
2493 | msg += ' `' + idName + '` is blank';
|
2494 | self.errors.add(propertyName, msg, 'invalid');
|
2495 | }
|
2496 | });
|
2497 | if (hasErrors) err(false);
|
2498 | });
|
2499 | }
|
2500 |
|
2501 | if (!params.polymorphic) {
|
2502 | modelFrom.validate(propertyName, function(err) {
|
2503 | const embeddedList = this[propertyName] || [];
|
2504 | const ids = embeddedList.map(function(m) { return m[idName] && m[idName].toString(); });
|
2505 | if (idsHaveDuplicates(ids)) {
|
2506 | this.errors.add(propertyName, 'contains duplicate `' + idName + '`', 'uniqueness');
|
2507 | err(false);
|
2508 | }
|
2509 | }, {code: 'uniqueness'});
|
2510 | }
|
2511 |
|
2512 |
|
2513 | if (definition.options.validate !== false) {
|
2514 | modelFrom.validate(propertyName, function(err) {
|
2515 | const self = this;
|
2516 | const embeddedList = this[propertyName] || [];
|
2517 | let hasErrors = false;
|
2518 | embeddedList.forEach(function(item, idx) {
|
2519 | if (item instanceof modelTo) {
|
2520 | if (!item.isValid()) {
|
2521 | hasErrors = true;
|
2522 | const id = item[idName];
|
2523 | const first = Object.keys(item.errors)[0];
|
2524 | let msg = id ?
|
2525 | 'contains invalid item: `' + id + '`' :
|
2526 | 'contains invalid item at index `' + idx + '`';
|
2527 | msg += ' (`' + first + '` ' + item.errors[first] + ')';
|
2528 | self.errors.add(propertyName, msg, 'invalid');
|
2529 | }
|
2530 | } else {
|
2531 | hasErrors = true;
|
2532 | self.errors.add(propertyName, 'contains invalid item', 'invalid');
|
2533 | }
|
2534 | });
|
2535 | if (hasErrors) err(false);
|
2536 | });
|
2537 | }
|
2538 |
|
2539 | const scopeMethods = {
|
2540 | findById: scopeMethod(definition, 'findById'),
|
2541 | destroy: scopeMethod(definition, 'destroyById'),
|
2542 | updateById: scopeMethod(definition, 'updateById'),
|
2543 | exists: scopeMethod(definition, 'exists'),
|
2544 | add: scopeMethod(definition, 'add'),
|
2545 | remove: scopeMethod(definition, 'remove'),
|
2546 | get: scopeMethod(definition, 'get'),
|
2547 | set: scopeMethod(definition, 'set'),
|
2548 | unset: scopeMethod(definition, 'unset'),
|
2549 | at: scopeMethod(definition, 'at'),
|
2550 | value: scopeMethod(definition, 'embeddedValue'),
|
2551 | };
|
2552 |
|
2553 | const findByIdFunc = scopeMethods.findById;
|
2554 | modelFrom.prototype['__findById__' + relationName] = findByIdFunc;
|
2555 |
|
2556 | const destroyByIdFunc = scopeMethods.destroy;
|
2557 | modelFrom.prototype['__destroyById__' + relationName] = destroyByIdFunc;
|
2558 |
|
2559 | const updateByIdFunc = scopeMethods.updateById;
|
2560 | modelFrom.prototype['__updateById__' + relationName] = updateByIdFunc;
|
2561 |
|
2562 | const addFunc = scopeMethods.add;
|
2563 | modelFrom.prototype['__link__' + relationName] = addFunc;
|
2564 |
|
2565 | const removeFunc = scopeMethods.remove;
|
2566 | modelFrom.prototype['__unlink__' + relationName] = removeFunc;
|
2567 |
|
2568 | scopeMethods.create = scopeMethod(definition, 'create');
|
2569 | scopeMethods.build = scopeMethod(definition, 'build');
|
2570 |
|
2571 | scopeMethods.related = scopeMethod(definition, 'related'); // bound to definition
|
2572 |
|
2573 | if (!definition.options.persistent) {
|
2574 | scopeMethods.destroyAll = scopeMethod(definition, 'destroyAll');
|
2575 | }
|
2576 |
|
2577 | const customMethods = extendScopeMethods(definition, scopeMethods, params.scopeMethods);
|
2578 |
|
2579 | for (let i = 0; i < customMethods.length; i++) {
|
2580 | const methodName = customMethods[i];
|
2581 | const method = scopeMethods[methodName];
|
2582 | if (typeof method === 'function' && method.shared === true) {
|
2583 | modelFrom.prototype['__' + methodName + '__' + relationName] = method;
|
2584 | }
|
2585 | }
|
2586 |
|
2587 |
|
2588 | const scopeDefinition = defineScope(modelFrom.prototype, modelTo, relationName, function() {
|
2589 | return {};
|
2590 | }, scopeMethods, definition.options);
|
2591 |
|
2592 | scopeDefinition.related = scopeMethods.related;
|
2593 |
|
2594 | return definition;
|
2595 | };
|
2596 |
|
2597 | EmbedsMany.prototype.prepareEmbeddedInstance = function(inst) {
|
2598 | if (inst && inst.triggerParent !== 'function') {
|
2599 | const self = this;
|
2600 | const propertyName = this.definition.keyFrom;
|
2601 | const modelInstance = this.modelInstance;
|
2602 | if (this.definition.options.persistent) {
|
2603 | const pk = this.definition.keyTo;
|
2604 | inst.__persisted = !!inst[pk];
|
2605 | } else {
|
2606 | inst.__persisted = true;
|
2607 | }
|
2608 | inst.triggerParent = function(actionName, callback) {
|
2609 | if (actionName === 'save' || actionName === 'destroy') {
|
2610 | const embeddedList = self.embeddedList();
|
2611 | if (actionName === 'destroy') {
|
2612 | const index = embeddedList.indexOf(inst);
|
2613 | if (index > -1) embeddedList.splice(index, 1);
|
2614 | }
|
2615 | modelInstance.updateAttribute(propertyName,
|
2616 | embeddedList, function(err, modelInst) {
|
2617 | callback(err, err ? null : modelInst);
|
2618 | });
|
2619 | } else {
|
2620 | process.nextTick(callback);
|
2621 | }
|
2622 | };
|
2623 | const originalTrigger = inst.trigger;
|
2624 | inst.trigger = function(actionName, work, data, callback) {
|
2625 | if (typeof work === 'function') {
|
2626 | const originalWork = work;
|
2627 | work = function(next) {
|
2628 | originalWork.call(this, function(done) {
|
2629 | inst.triggerParent(actionName, function(err, inst) {
|
2630 | next(done);
|
2631 | });
|
2632 | });
|
2633 | };
|
2634 | }
|
2635 | originalTrigger.call(this, actionName, work, data, callback);
|
2636 | };
|
2637 | }
|
2638 | };
|
2639 |
|
2640 | EmbedsMany.prototype.embeddedList =
|
2641 | EmbedsMany.prototype.embeddedValue = function(modelInstance) {
|
2642 | modelInstance = modelInstance || this.modelInstance;
|
2643 | const embeddedList = modelInstance[this.definition.keyFrom] || [];
|
2644 | embeddedList.forEach(this.prepareEmbeddedInstance.bind(this));
|
2645 | return embeddedList;
|
2646 | };
|
2647 |
|
2648 | EmbedsMany.prototype.related = function(receiver, scopeParams, condOrRefresh, options, cb) {
|
2649 | const modelTo = this.definition.modelTo;
|
2650 | const modelInstance = this.modelInstance;
|
2651 |
|
2652 | let actualCond = {};
|
2653 |
|
2654 | if (typeof condOrRefresh === 'function' &&
|
2655 | options === undefined && cb === undefined) {
|
2656 |
|
2657 | cb = condOrRefresh;
|
2658 | condOrRefresh = false;
|
2659 | } else if (typeof options === 'function' && cb === undefined) {
|
2660 |
|
2661 | cb = options;
|
2662 | options = {};
|
2663 | }
|
2664 |
|
2665 | if (typeof condOrRefresh === 'object') {
|
2666 | actualCond = condOrRefresh;
|
2667 | }
|
2668 |
|
2669 | let embeddedList = this.embeddedList(receiver);
|
2670 |
|
2671 | this.definition.applyScope(receiver, actualCond);
|
2672 |
|
2673 | const params = mergeQuery(actualCond, scopeParams);
|
2674 |
|
2675 | if (params.where && Object.keys(params.where).length > 0) {
|
2676 | embeddedList = embeddedList ? embeddedList.filter(applyFilter(params)) : embeddedList;
|
2677 | }
|
2678 |
|
2679 | const returnRelated = function(list) {
|
2680 | if (params.include) {
|
2681 | modelTo.include(list, params.include, options, cb);
|
2682 | } else {
|
2683 | process.nextTick(function() { cb(null, list); });
|
2684 | }
|
2685 | };
|
2686 |
|
2687 | returnRelated(embeddedList);
|
2688 | };
|
2689 |
|
2690 | EmbedsMany.prototype.findById = function(fkId, options, cb) {
|
2691 | if (typeof options === 'function' && cb === undefined) {
|
2692 |
|
2693 | cb = options;
|
2694 | options = {};
|
2695 | }
|
2696 | const pk = this.definition.keyTo;
|
2697 | const modelTo = this.definition.modelTo;
|
2698 | const modelInstance = this.modelInstance;
|
2699 |
|
2700 | const embeddedList = this.embeddedList();
|
2701 |
|
2702 | const find = function(id) {
|
2703 | for (let i = 0; i < embeddedList.length; i++) {
|
2704 | const item = embeddedList[i];
|
2705 | if (idEquals(item[pk], id)) return item;
|
2706 | }
|
2707 | return null;
|
2708 | };
|
2709 |
|
2710 | let item = find(fkId.toString());
|
2711 | item = (item instanceof modelTo) ? item : null;
|
2712 |
|
2713 | if (typeof cb === 'function') {
|
2714 | process.nextTick(function() {
|
2715 | cb(null, item);
|
2716 | });
|
2717 | }
|
2718 |
|
2719 | return item;
|
2720 | };
|
2721 |
|
2722 | EmbedsMany.prototype.exists = function(fkId, options, cb) {
|
2723 | if (typeof options === 'function' && cb === undefined) {
|
2724 |
|
2725 | cb = options;
|
2726 | options = {};
|
2727 | }
|
2728 | const modelTo = this.definition.modelTo;
|
2729 | const inst = this.findById(fkId, options, function(err, inst) {
|
2730 | if (cb) cb(err, inst instanceof modelTo);
|
2731 | });
|
2732 | return inst instanceof modelTo;
|
2733 | };
|
2734 |
|
2735 | EmbedsMany.prototype.updateById = function(fkId, data, options, cb) {
|
2736 | if (typeof options === 'function' && cb === undefined) {
|
2737 |
|
2738 | cb = options;
|
2739 | options = {};
|
2740 | }
|
2741 | if (typeof data === 'function') {
|
2742 |
|
2743 | cb = data;
|
2744 | data = {};
|
2745 | }
|
2746 | options = options || {};
|
2747 |
|
2748 | const modelTo = this.definition.modelTo;
|
2749 | const propertyName = this.definition.keyFrom;
|
2750 | const modelInstance = this.modelInstance;
|
2751 |
|
2752 | const embeddedList = this.embeddedList();
|
2753 |
|
2754 | const inst = this.findById(fkId);
|
2755 |
|
2756 | if (inst instanceof modelTo) {
|
2757 | const hookState = {};
|
2758 | let context = {
|
2759 | Model: modelTo,
|
2760 | currentInstance: inst,
|
2761 | data: data,
|
2762 | options: options,
|
2763 | hookState: hookState,
|
2764 | };
|
2765 | modelTo.notifyObserversOf('before save', context, function(err) {
|
2766 | if (err) return cb && cb(err);
|
2767 |
|
2768 | inst.setAttributes(data);
|
2769 |
|
2770 | err = inst.isValid() ? null : new ValidationError(inst);
|
2771 | if (err && typeof cb === 'function') {
|
2772 | return process.nextTick(function() {
|
2773 | cb(err, inst);
|
2774 | });
|
2775 | }
|
2776 |
|
2777 | context = {
|
2778 | Model: modelTo,
|
2779 | instance: inst,
|
2780 | options: options,
|
2781 | hookState: hookState,
|
2782 | };
|
2783 |
|
2784 | if (typeof cb === 'function') {
|
2785 | modelInstance.updateAttribute(propertyName, embeddedList, options,
|
2786 | function(err) {
|
2787 | if (err) return cb(err, inst);
|
2788 | modelTo.notifyObserversOf('after save', context, function(err) {
|
2789 | cb(err, inst);
|
2790 | });
|
2791 | });
|
2792 | } else {
|
2793 | modelTo.notifyObserversOf('after save', context, function(err) {
|
2794 | if (!err) return;
|
2795 | debug('Unhandled error in "after save" hooks: %s', err.stack || err);
|
2796 | });
|
2797 | }
|
2798 | });
|
2799 | } else if (typeof cb === 'function') {
|
2800 | process.nextTick(function() {
|
2801 | cb(null, null);
|
2802 | });
|
2803 | }
|
2804 | return inst;
|
2805 | };
|
2806 |
|
2807 | EmbedsMany.prototype.destroyById = function(fkId, options, cb) {
|
2808 | if (typeof options === 'function' && cb === undefined) {
|
2809 |
|
2810 | cb = options;
|
2811 | options = {};
|
2812 | }
|
2813 | const modelTo = this.definition.modelTo;
|
2814 | const propertyName = this.definition.keyFrom;
|
2815 | const modelInstance = this.modelInstance;
|
2816 |
|
2817 | const embeddedList = this.embeddedList();
|
2818 |
|
2819 | const inst = (fkId instanceof modelTo) ? fkId : this.findById(fkId);
|
2820 |
|
2821 | if (inst instanceof modelTo) {
|
2822 | const context = {
|
2823 | Model: modelTo,
|
2824 | instance: inst,
|
2825 | options: options || {},
|
2826 | hookState: {},
|
2827 | };
|
2828 | modelTo.notifyObserversOf('before delete', context, function(err) {
|
2829 | if (err) return cb(err);
|
2830 |
|
2831 | const index = embeddedList.indexOf(inst);
|
2832 | if (index > -1) embeddedList.splice(index, 1);
|
2833 | if (typeof cb !== 'function') return;
|
2834 | modelInstance.updateAttribute(propertyName,
|
2835 | embeddedList, context.options, function(err) {
|
2836 | if (err) return cb(err);
|
2837 | modelTo.notifyObserversOf('after delete', context, function(err) {
|
2838 | cb(err);
|
2839 | });
|
2840 | });
|
2841 | });
|
2842 | } else if (typeof cb === 'function') {
|
2843 | process.nextTick(cb);
|
2844 | }
|
2845 | return inst;
|
2846 | };
|
2847 |
|
2848 | EmbedsMany.prototype.destroyAll = function(where, options, cb) {
|
2849 | if (typeof options === 'function' && cb === undefined) {
|
2850 |
|
2851 | cb = options;
|
2852 | options = {};
|
2853 | } else if (typeof where === 'function' &&
|
2854 | options === undefined && cb === undefined) {
|
2855 |
|
2856 | cb = where;
|
2857 | where = {};
|
2858 | }
|
2859 | const propertyName = this.definition.keyFrom;
|
2860 | const modelInstance = this.modelInstance;
|
2861 |
|
2862 | let embeddedList = this.embeddedList();
|
2863 |
|
2864 | if (where && Object.keys(where).length > 0) {
|
2865 | const filter = applyFilter({where: where});
|
2866 | const reject = function(v) { return !filter(v); };
|
2867 | embeddedList = embeddedList ? embeddedList.filter(reject) : embeddedList;
|
2868 | } else {
|
2869 | embeddedList = [];
|
2870 | }
|
2871 |
|
2872 | if (typeof cb === 'function') {
|
2873 | modelInstance.updateAttribute(propertyName,
|
2874 | embeddedList, options || {}, function(err) {
|
2875 | cb(err);
|
2876 | });
|
2877 | } else {
|
2878 | modelInstance.setAttribute(propertyName, embeddedList, options || {});
|
2879 | }
|
2880 | };
|
2881 |
|
2882 | EmbedsMany.prototype.get = EmbedsMany.prototype.findById;
|
2883 | EmbedsMany.prototype.set = EmbedsMany.prototype.updateById;
|
2884 | EmbedsMany.prototype.unset = EmbedsMany.prototype.destroyById;
|
2885 |
|
2886 | EmbedsMany.prototype.at = function(index, cb) {
|
2887 | const modelTo = this.definition.modelTo;
|
2888 | const modelInstance = this.modelInstance;
|
2889 |
|
2890 | const embeddedList = this.embeddedList();
|
2891 |
|
2892 | let item = embeddedList[parseInt(index)];
|
2893 | item = (item instanceof modelTo) ? item : null;
|
2894 |
|
2895 | if (typeof cb === 'function') {
|
2896 | process.nextTick(function() {
|
2897 | cb(null, item);
|
2898 | });
|
2899 | }
|
2900 |
|
2901 | return item;
|
2902 | };
|
2903 |
|
2904 | EmbedsMany.prototype.create = function(targetModelData, options, cb) {
|
2905 | const pk = this.definition.keyTo;
|
2906 | const modelTo = this.definition.modelTo;
|
2907 | const propertyName = this.definition.keyFrom;
|
2908 | const modelInstance = this.modelInstance;
|
2909 |
|
2910 | if (typeof options === 'function' && cb === undefined) {
|
2911 |
|
2912 | cb = options;
|
2913 | options = {};
|
2914 | }
|
2915 |
|
2916 | if (typeof targetModelData === 'function' && !cb) {
|
2917 | cb = targetModelData;
|
2918 | targetModelData = {};
|
2919 | }
|
2920 | targetModelData = targetModelData || {};
|
2921 | cb = cb || utils.createPromiseCallback();
|
2922 |
|
2923 | const inst = this.callScopeMethod('build', targetModelData);
|
2924 | const embeddedList = this.embeddedList();
|
2925 |
|
2926 | const updateEmbedded = function(callback) {
|
2927 | if (modelInstance.isNewRecord()) {
|
2928 | modelInstance.setAttribute(propertyName, embeddedList);
|
2929 | modelInstance.save(options, function(err) {
|
2930 | callback(err, err ? null : inst);
|
2931 | });
|
2932 | } else {
|
2933 | modelInstance.updateAttribute(propertyName,
|
2934 | embeddedList, options, function(err) {
|
2935 | callback(err, err ? null : inst);
|
2936 | });
|
2937 | }
|
2938 | };
|
2939 |
|
2940 | if (this.definition.options.persistent) {
|
2941 | inst.save(function(err) {
|
2942 | if (err) return cb(err, inst);
|
2943 | updateEmbedded(cb);
|
2944 | });
|
2945 | } else {
|
2946 | const err = inst.isValid() ? null : new ValidationError(inst);
|
2947 | if (err) {
|
2948 | process.nextTick(function() {
|
2949 | cb(err);
|
2950 | });
|
2951 | } else {
|
2952 | const context = {
|
2953 | Model: modelTo,
|
2954 | instance: inst,
|
2955 | options: options || {},
|
2956 | hookState: {},
|
2957 | };
|
2958 | modelTo.notifyObserversOf('before save', context, function(err) {
|
2959 | if (err) return cb(err);
|
2960 | updateEmbedded(function(err, inst) {
|
2961 | if (err) return cb(err, null);
|
2962 | modelTo.notifyObserversOf('after save', context, function(err) {
|
2963 | cb(err, err ? null : inst);
|
2964 | });
|
2965 | });
|
2966 | });
|
2967 | }
|
2968 | }
|
2969 | return cb.promise;
|
2970 | };
|
2971 |
|
2972 | EmbedsMany.prototype.build = function(targetModelData) {
|
2973 | const modelTo = this.definition.modelTo;
|
2974 | const modelInstance = this.modelInstance;
|
2975 | const forceId = this.definition.options.forceId;
|
2976 | const persistent = this.definition.options.persistent;
|
2977 | const propertyName = this.definition.keyFrom;
|
2978 | const connector = modelTo.dataSource.connector;
|
2979 |
|
2980 | const pk = this.definition.keyTo;
|
2981 | const pkProp = modelTo.definition.properties[pk];
|
2982 | const pkType = pkProp && pkProp.type;
|
2983 |
|
2984 | const embeddedList = this.embeddedList();
|
2985 |
|
2986 | targetModelData = targetModelData || {};
|
2987 |
|
2988 | let assignId = (forceId || targetModelData[pk] === undefined);
|
2989 | assignId = assignId && !persistent;
|
2990 |
|
2991 | if (assignId && pkType === Number) {
|
2992 | const ids = embeddedList.map(function(m) {
|
2993 | return (typeof m[pk] === 'number' ? m[pk] : 0);
|
2994 | });
|
2995 | if (ids.length > 0) {
|
2996 | targetModelData[pk] = Math.max.apply(null, ids) + 1;
|
2997 | } else {
|
2998 | targetModelData[pk] = 1;
|
2999 | }
|
3000 | } else if (assignId && typeof connector.generateId === 'function') {
|
3001 | const id = connector.generateId(modelTo.modelName, targetModelData, pk);
|
3002 | targetModelData[pk] = id;
|
3003 | }
|
3004 |
|
3005 | this.definition.applyProperties(modelInstance, targetModelData);
|
3006 |
|
3007 | const inst = new modelTo(targetModelData);
|
3008 |
|
3009 | if (this.definition.options.prepend) {
|
3010 | embeddedList.unshift(inst);
|
3011 | modelInstance[propertyName] = embeddedList;
|
3012 | } else {
|
3013 | embeddedList.push(inst);
|
3014 | modelInstance[propertyName] = embeddedList;
|
3015 | }
|
3016 |
|
3017 | this.prepareEmbeddedInstance(inst);
|
3018 |
|
3019 | return inst;
|
3020 | };
|
3021 |
|
3022 |
|
3023 |
|
3024 |
|
3025 |
|
3026 | EmbedsMany.prototype.add = function(acInst, data, options, cb) {
|
3027 | if (typeof options === 'function' && cb === undefined) {
|
3028 |
|
3029 | cb = options;
|
3030 | options = {};
|
3031 | } else if (typeof data === 'function' &&
|
3032 | options === undefined && cb === undefined) {
|
3033 |
|
3034 | cb = data;
|
3035 | data = {};
|
3036 | }
|
3037 | cb = cb || utils.createPromiseCallback();
|
3038 |
|
3039 | const self = this;
|
3040 | const definition = this.definition;
|
3041 | const modelTo = this.definition.modelTo;
|
3042 | const modelInstance = this.modelInstance;
|
3043 |
|
3044 | const defOpts = definition.options;
|
3045 | const belongsTo = defOpts.belongsTo && modelTo.relations[defOpts.belongsTo];
|
3046 |
|
3047 | if (!belongsTo) {
|
3048 | throw new Error('Invalid reference: ' + defOpts.belongsTo || '(none)');
|
3049 | }
|
3050 |
|
3051 | const fk2 = belongsTo.keyTo;
|
3052 | const pk2 = belongsTo.modelTo.definition.idName() || 'id';
|
3053 |
|
3054 | const query = {};
|
3055 |
|
3056 | query[fk2] = (acInst instanceof belongsTo.modelTo) ? acInst[pk2] : acInst;
|
3057 |
|
3058 | const filter = {where: query};
|
3059 |
|
3060 | belongsTo.applyScope(modelInstance, filter);
|
3061 |
|
3062 | belongsTo.modelTo.findOne(filter, options, function(err, ref) {
|
3063 | if (ref instanceof belongsTo.modelTo) {
|
3064 | const inst = self.build(data || {});
|
3065 | inst[defOpts.belongsTo](ref);
|
3066 | modelInstance.save(function(err) {
|
3067 | cb(err, err ? null : inst);
|
3068 | });
|
3069 | } else {
|
3070 | cb(null, null);
|
3071 | }
|
3072 | });
|
3073 | return cb.promise;
|
3074 | };
|
3075 |
|
3076 |
|
3077 |
|
3078 |
|
3079 |
|
3080 | EmbedsMany.prototype.remove = function(acInst, options, cb) {
|
3081 | if (typeof options === 'function' && cb === undefined) {
|
3082 |
|
3083 | cb = options;
|
3084 | options = {};
|
3085 | }
|
3086 | const self = this;
|
3087 | const definition = this.definition;
|
3088 | const modelTo = this.definition.modelTo;
|
3089 | const modelInstance = this.modelInstance;
|
3090 |
|
3091 | const defOpts = definition.options;
|
3092 | const belongsTo = defOpts.belongsTo && modelTo.relations[defOpts.belongsTo];
|
3093 |
|
3094 | if (!belongsTo) {
|
3095 | throw new Error('Invalid reference: ' + defOpts.belongsTo || '(none)');
|
3096 | }
|
3097 |
|
3098 | const fk2 = belongsTo.keyTo;
|
3099 | const pk2 = belongsTo.modelTo.definition.idName() || 'id';
|
3100 |
|
3101 | const query = {};
|
3102 |
|
3103 | query[fk2] = (acInst instanceof belongsTo.modelTo) ? acInst[pk2] : acInst;
|
3104 |
|
3105 | const filter = {where: query};
|
3106 |
|
3107 | belongsTo.applyScope(modelInstance, filter);
|
3108 |
|
3109 | cb = cb || utils.createPromiseCallback();
|
3110 |
|
3111 | modelInstance[definition.name](filter, options, function(err, items) {
|
3112 | if (err) return cb(err);
|
3113 |
|
3114 | items.forEach(function(item) {
|
3115 | self.unset(item);
|
3116 | });
|
3117 |
|
3118 | modelInstance.save(options, function(err) {
|
3119 | cb(err);
|
3120 | });
|
3121 | });
|
3122 | return cb.promise;
|
3123 | };
|
3124 |
|
3125 | RelationDefinition.referencesMany = function referencesMany(modelFrom, modelToRef, params) {
|
3126 | params = params || {};
|
3127 | normalizeRelationAs(params, modelToRef);
|
3128 | const modelTo = lookupModelTo(modelFrom, modelToRef, params, true);
|
3129 |
|
3130 | const thisClassName = modelFrom.modelName;
|
3131 | const relationName = params.as || i8n.camelize(modelTo.pluralModelName, true);
|
3132 | const fk = params.foreignKey || i8n.camelize(modelTo.modelName + '_ids', true);
|
3133 | const idName = modelTo.dataSource.idName(modelTo.modelName) || 'id';
|
3134 | const idType = modelTo.definition.properties[idName].type;
|
3135 |
|
3136 | const definition = modelFrom.relations[relationName] = new RelationDefinition({
|
3137 | name: relationName,
|
3138 | type: RelationTypes.referencesMany,
|
3139 | modelFrom: modelFrom,
|
3140 | keyFrom: fk,
|
3141 | keyTo: idName,
|
3142 | modelTo: modelTo,
|
3143 | multiple: true,
|
3144 | properties: params.properties,
|
3145 | scope: params.scope,
|
3146 | options: params.options,
|
3147 | });
|
3148 |
|
3149 | modelFrom.dataSource.defineProperty(modelFrom.modelName, fk, {
|
3150 | type: [idType], default: function() { return []; },
|
3151 | });
|
3152 |
|
3153 | modelFrom.validate(relationName, function(err) {
|
3154 | const ids = this[fk] || [];
|
3155 | if (idsHaveDuplicates(ids)) {
|
3156 | const msg = 'contains duplicate `' + modelTo.modelName + '` instance';
|
3157 | this.errors.add(relationName, msg, 'uniqueness');
|
3158 | err(false);
|
3159 | }
|
3160 | }, {code: 'uniqueness'});
|
3161 |
|
3162 | const scopeMethods = {
|
3163 | findById: scopeMethod(definition, 'findById'),
|
3164 | destroy: scopeMethod(definition, 'destroyById'),
|
3165 | updateById: scopeMethod(definition, 'updateById'),
|
3166 | exists: scopeMethod(definition, 'exists'),
|
3167 | add: scopeMethod(definition, 'add'),
|
3168 | remove: scopeMethod(definition, 'remove'),
|
3169 | at: scopeMethod(definition, 'at'),
|
3170 | };
|
3171 |
|
3172 | const findByIdFunc = scopeMethods.findById;
|
3173 | modelFrom.prototype['__findById__' + relationName] = findByIdFunc;
|
3174 |
|
3175 | const destroyByIdFunc = scopeMethods.destroy;
|
3176 | modelFrom.prototype['__destroyById__' + relationName] = destroyByIdFunc;
|
3177 |
|
3178 | const updateByIdFunc = scopeMethods.updateById;
|
3179 | modelFrom.prototype['__updateById__' + relationName] = updateByIdFunc;
|
3180 |
|
3181 | const addFunc = scopeMethods.add;
|
3182 | modelFrom.prototype['__link__' + relationName] = addFunc;
|
3183 |
|
3184 | const removeFunc = scopeMethods.remove;
|
3185 | modelFrom.prototype['__unlink__' + relationName] = removeFunc;
|
3186 |
|
3187 | scopeMethods.create = scopeMethod(definition, 'create');
|
3188 | scopeMethods.build = scopeMethod(definition, 'build');
|
3189 |
|
3190 | scopeMethods.related = scopeMethod(definition, 'related');
|
3191 |
|
3192 | const customMethods = extendScopeMethods(definition, scopeMethods, params.scopeMethods);
|
3193 |
|
3194 | for (let i = 0; i < customMethods.length; i++) {
|
3195 | const methodName = customMethods[i];
|
3196 | const method = scopeMethods[methodName];
|
3197 | if (typeof method === 'function' && method.shared === true) {
|
3198 | modelFrom.prototype['__' + methodName + '__' + relationName] = method;
|
3199 | }
|
3200 | }
|
3201 |
|
3202 |
|
3203 | const scopeDefinition = defineScope(modelFrom.prototype, modelTo, relationName, function() {
|
3204 | return {};
|
3205 | }, scopeMethods, definition.options);
|
3206 |
|
3207 | scopeDefinition.related = scopeMethods.related;
|
3208 |
|
3209 | return definition;
|
3210 | };
|
3211 |
|
3212 | ReferencesMany.prototype.related = function(receiver, scopeParams, condOrRefresh, options, cb) {
|
3213 | const fk = this.definition.keyFrom;
|
3214 | const modelTo = this.definition.modelTo;
|
3215 | const relationName = this.definition.name;
|
3216 | const modelInstance = this.modelInstance;
|
3217 | const self = receiver;
|
3218 |
|
3219 | let actualCond = {};
|
3220 | let actualRefresh = false;
|
3221 |
|
3222 | if (typeof condOrRefresh === 'function' &&
|
3223 | options === undefined && cb === undefined) {
|
3224 |
|
3225 | cb = condOrRefresh;
|
3226 | condOrRefresh = undefined;
|
3227 | } else if (typeof options === 'function' && cb === undefined) {
|
3228 |
|
3229 | cb = options;
|
3230 | options = {};
|
3231 | if (typeof condOrRefresh === 'boolean') {
|
3232 | actualRefresh = condOrRefresh;
|
3233 | condOrRefresh = {};
|
3234 | } else {
|
3235 | actualRefresh = true;
|
3236 | }
|
3237 | }
|
3238 | actualCond = condOrRefresh || {};
|
3239 |
|
3240 | const ids = self[fk] || [];
|
3241 |
|
3242 | this.definition.applyScope(modelInstance, actualCond);
|
3243 |
|
3244 | const params = mergeQuery(actualCond, scopeParams);
|
3245 | return modelTo.findByIds(ids, params, options, cb);
|
3246 | };
|
3247 |
|
3248 | ReferencesMany.prototype.findById = function(fkId, options, cb) {
|
3249 | if (typeof options === 'function' && cb === undefined) {
|
3250 |
|
3251 | cb = options;
|
3252 | options = {};
|
3253 | }
|
3254 | const modelTo = this.definition.modelTo;
|
3255 | const modelFrom = this.definition.modelFrom;
|
3256 | const relationName = this.definition.name;
|
3257 | const modelInstance = this.modelInstance;
|
3258 |
|
3259 | const pk = this.definition.keyTo;
|
3260 | const fk = this.definition.keyFrom;
|
3261 |
|
3262 | if (typeof fkId === 'object') {
|
3263 | fkId = fkId.toString();
|
3264 | }
|
3265 |
|
3266 | const ids = modelInstance[fk] || [];
|
3267 |
|
3268 | const filter = {};
|
3269 |
|
3270 | this.definition.applyScope(modelInstance, filter);
|
3271 |
|
3272 | cb = cb || utils.createPromiseCallback();
|
3273 |
|
3274 | modelTo.findByIds([fkId], filter, options, function(err, instances) {
|
3275 | if (err) {
|
3276 | return cb(err);
|
3277 | }
|
3278 |
|
3279 | const inst = instances[0];
|
3280 | if (!inst) {
|
3281 | err = new Error(g.f('No instance with {{id}} %s found for %s', fkId, modelTo.modelName));
|
3282 | err.statusCode = 404;
|
3283 | return cb(err);
|
3284 | }
|
3285 |
|
3286 |
|
3287 | if (utils.findIndexOf(ids, inst[pk], idEquals) > -1) {
|
3288 | cb(null, inst);
|
3289 | } else {
|
3290 | err = new Error(g.f('Key mismatch: %s.%s: %s, %s.%s: %s',
|
3291 | modelFrom.modelName, fk, modelInstance[fk],
|
3292 | modelTo.modelName, pk, inst[pk]));
|
3293 | err.statusCode = 400;
|
3294 | cb(err);
|
3295 | }
|
3296 | });
|
3297 | return cb.promise;
|
3298 | };
|
3299 |
|
3300 | ReferencesMany.prototype.exists = function(fkId, options, cb) {
|
3301 | if (typeof options === 'function' && cb === undefined) {
|
3302 |
|
3303 | cb = options;
|
3304 | options = {};
|
3305 | }
|
3306 | const fk = this.definition.keyFrom;
|
3307 | const ids = this.modelInstance[fk] || [];
|
3308 |
|
3309 | cb = cb || utils.createPromiseCallback();
|
3310 | process.nextTick(function() { cb(null, utils.findIndexOf(ids, fkId, idEquals) > -1); });
|
3311 | return cb.promise;
|
3312 | };
|
3313 |
|
3314 | ReferencesMany.prototype.updateById = function(fkId, data, options, cb) {
|
3315 | if (typeof options === 'function' && cb === undefined) {
|
3316 |
|
3317 | cb = options;
|
3318 | options = {};
|
3319 | } else if (typeof data === 'function' &&
|
3320 | options === undefined && cb === undefined) {
|
3321 |
|
3322 | cb = data;
|
3323 | data = {};
|
3324 | }
|
3325 | cb = cb || utils.createPromiseCallback();
|
3326 |
|
3327 | this.findById(fkId, options, function(err, inst) {
|
3328 | if (err) return cb(err);
|
3329 | inst.updateAttributes(data, options, cb);
|
3330 | });
|
3331 | return cb.promise;
|
3332 | };
|
3333 |
|
3334 | ReferencesMany.prototype.destroyById = function(fkId, options, cb) {
|
3335 | if (typeof options === 'function' && cb === undefined) {
|
3336 |
|
3337 | cb = options;
|
3338 | options = {};
|
3339 | }
|
3340 | const self = this;
|
3341 | cb = cb || utils.createPromiseCallback();
|
3342 | this.findById(fkId, function(err, inst) {
|
3343 | if (err) return cb(err);
|
3344 | self.remove(inst, function(err, ids) {
|
3345 | inst.destroy(cb);
|
3346 | });
|
3347 | });
|
3348 | return cb.promise;
|
3349 | };
|
3350 |
|
3351 | ReferencesMany.prototype.at = function(index, options, cb) {
|
3352 | if (typeof options === 'function' && cb === undefined) {
|
3353 |
|
3354 | cb = options;
|
3355 | options = {};
|
3356 | }
|
3357 | const fk = this.definition.keyFrom;
|
3358 | const ids = this.modelInstance[fk] || [];
|
3359 | cb = cb || utils.createPromiseCallback();
|
3360 | this.findById(ids[index], options, cb);
|
3361 | return cb.promise;
|
3362 | };
|
3363 |
|
3364 | ReferencesMany.prototype.create = function(targetModelData, options, cb) {
|
3365 | if (typeof options === 'function' && cb === undefined) {
|
3366 |
|
3367 | cb = options;
|
3368 | options = {};
|
3369 | }
|
3370 | const definition = this.definition;
|
3371 | const modelTo = this.definition.modelTo;
|
3372 | const relationName = this.definition.name;
|
3373 | const modelInstance = this.modelInstance;
|
3374 |
|
3375 | const pk = this.definition.keyTo;
|
3376 | const fk = this.definition.keyFrom;
|
3377 |
|
3378 | if (typeof targetModelData === 'function' && !cb) {
|
3379 | cb = targetModelData;
|
3380 | targetModelData = {};
|
3381 | }
|
3382 | targetModelData = targetModelData || {};
|
3383 | cb = cb || utils.createPromiseCallback();
|
3384 |
|
3385 | const ids = modelInstance[fk] || [];
|
3386 |
|
3387 | const inst = this.callScopeMethod('build', targetModelData);
|
3388 |
|
3389 | inst.save(options, function(err, inst) {
|
3390 | if (err) return cb(err, inst);
|
3391 |
|
3392 | let id = inst[pk];
|
3393 |
|
3394 | if (typeof id === 'object') {
|
3395 | id = id.toString();
|
3396 | }
|
3397 |
|
3398 | if (definition.options.prepend) {
|
3399 | ids.unshift(id);
|
3400 | } else {
|
3401 | ids.push(id);
|
3402 | }
|
3403 |
|
3404 | modelInstance.updateAttribute(fk,
|
3405 | ids, options, function(err, modelInst) {
|
3406 | cb(err, inst);
|
3407 | });
|
3408 | });
|
3409 | return cb.promise;
|
3410 | };
|
3411 |
|
3412 | ReferencesMany.prototype.build = function(targetModelData) {
|
3413 | const modelTo = this.definition.modelTo;
|
3414 | targetModelData = targetModelData || {};
|
3415 |
|
3416 | this.definition.applyProperties(this.modelInstance, targetModelData);
|
3417 |
|
3418 | return new modelTo(targetModelData);
|
3419 | };
|
3420 |
|
3421 |
|
3422 |
|
3423 |
|
3424 |
|
3425 | ReferencesMany.prototype.add = function(acInst, options, cb) {
|
3426 | if (typeof options === 'function' && cb === undefined) {
|
3427 |
|
3428 | cb = options;
|
3429 | options = {};
|
3430 | }
|
3431 | const self = this;
|
3432 | const definition = this.definition;
|
3433 | const modelTo = this.definition.modelTo;
|
3434 | const modelInstance = this.modelInstance;
|
3435 |
|
3436 | const pk = this.definition.keyTo;
|
3437 | const fk = this.definition.keyFrom;
|
3438 |
|
3439 | const insert = function(inst, done) {
|
3440 | let id = inst[pk];
|
3441 |
|
3442 | if (typeof id === 'object') {
|
3443 | id = id.toString();
|
3444 | }
|
3445 |
|
3446 | const ids = modelInstance[fk] || [];
|
3447 |
|
3448 | if (definition.options.prepend) {
|
3449 | ids.unshift(id);
|
3450 | } else {
|
3451 | ids.push(id);
|
3452 | }
|
3453 |
|
3454 | modelInstance.updateAttribute(fk, ids, options, function(err) {
|
3455 | done(err, err ? null : inst);
|
3456 | });
|
3457 | };
|
3458 |
|
3459 | cb = cb || utils.createPromiseCallback();
|
3460 |
|
3461 | if (acInst instanceof modelTo) {
|
3462 | insert(acInst, cb);
|
3463 | } else {
|
3464 | const filter = {where: {}};
|
3465 | filter.where[pk] = acInst;
|
3466 |
|
3467 | definition.applyScope(modelInstance, filter);
|
3468 |
|
3469 | modelTo.findOne(filter, options, function(err, inst) {
|
3470 | if (err || !inst) return cb(err, null);
|
3471 | insert(inst, cb);
|
3472 | });
|
3473 | }
|
3474 | return cb.promise;
|
3475 | };
|
3476 |
|
3477 |
|
3478 |
|
3479 |
|
3480 |
|
3481 | ReferencesMany.prototype.remove = function(acInst, options, cb) {
|
3482 | if (typeof options === 'function' && cb === undefined) {
|
3483 |
|
3484 | cb = options;
|
3485 | options = {};
|
3486 | }
|
3487 | const definition = this.definition;
|
3488 | const modelInstance = this.modelInstance;
|
3489 |
|
3490 | const pk = this.definition.keyTo;
|
3491 | const fk = this.definition.keyFrom;
|
3492 |
|
3493 | const ids = modelInstance[fk] || [];
|
3494 |
|
3495 | const id = (acInst instanceof definition.modelTo) ? acInst[pk] : acInst;
|
3496 |
|
3497 | cb = cb || utils.createPromiseCallback();
|
3498 |
|
3499 | const index = utils.findIndexOf(ids, id, idEquals);
|
3500 | if (index > -1) {
|
3501 | ids.splice(index, 1);
|
3502 | modelInstance.updateAttribute(fk, ids, options, function(err, inst) {
|
3503 | cb(err, inst[fk] || []);
|
3504 | });
|
3505 | } else {
|
3506 | process.nextTick(function() { cb(null, ids); });
|
3507 | }
|
3508 | return cb.promise;
|
3509 | };
|