1 |
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2 |
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3 |
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4 | 'use strict';
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5 |
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6 | const Base = require('./Component');
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7 | const StringHelper = require('../helper/StringHelper');
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8 |
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9 | module.exports = class Controller extends Base {
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10 |
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11 | static getExtendedClassProperties () {
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12 | return [
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13 | 'METHODS',
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14 | 'ACTIONS'
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15 | ];
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16 | }
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17 |
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18 | static getConstants () {
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19 | return {
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20 | NAME: this.getName(),
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21 |
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22 | METHODS: {
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23 |
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24 | },
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25 |
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26 | ACTIONS: {
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27 |
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28 | },
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29 | EVENT_BEFORE_ACTION: 'beforeAction',
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30 | EVENT_AFTER_ACTION: 'afterAction',
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31 | DEFAULT_ACTION: 'index',
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32 | CONTROLLER_DIRECTORY: 'controller',
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33 | MODEL_DIRECTORY: 'model',
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34 |
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35 |
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36 |
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37 |
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38 | };
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39 | }
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40 |
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41 | static getName () {
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42 | return StringHelper.camelToId(StringHelper.trimEnd(this.name, 'Controller'));
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43 | }
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44 |
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45 | static getActionKeys () {
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46 | const keys = Object.keys(this.ACTIONS);
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47 | for (const key of ObjectHelper.getAllFunctionNames(this.prototype)) {
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48 | if (key.indexOf('action') === 0) {
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49 | keys.push(StringHelper.camelToId(key.substring(6)));
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50 | }
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51 | }
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52 | return keys;
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53 | }
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54 |
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55 | static getModelClass () {
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56 | if (!this.hasOwnProperty('_MODEL_CLASS')) {
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57 | const closest = FileHelper.getClosestDirectory(this.CONTROLLER_DIRECTORY, this.CLASS_DIRECTORY);
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58 | const dir = path.join(this.MODEL_DIRECTORY, this.getNestedDirectory(), this.getModelClassName());
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59 | this._MODEL_CLASS = require(path.join(path.dirname(closest), dir));
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60 | }
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61 | return this._MODEL_CLASS;
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62 | }
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63 |
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64 | static getModelClassName () {
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65 | return StringHelper.trimEnd(this.name, 'Controller');
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66 | }
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67 |
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68 | static getViewDirectory () {
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69 | if (!this.hasOwnProperty('_VIEW_DIRECTORY')) {
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70 | const dir = this.getNestedDirectory();
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71 | this._VIEW_DIRECTORY = dir ? `${dir}/${this.NAME}/` : `${this.NAME}/`;
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72 | }
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73 | return this._VIEW_DIRECTORY;
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74 | }
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75 |
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76 | static getNestedDirectory () {
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77 | if (!this.hasOwnProperty('_NESTED_DIRECTORY')) {
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78 | this._NESTED_DIRECTORY = FileHelper.getRelativePathByDirectory(this.CONTROLLER_DIRECTORY, this.CLASS_DIRECTORY);
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79 | }
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80 | return this._NESTED_DIRECTORY;
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81 | }
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82 |
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83 | constructor (config) {
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84 | super(config);
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85 | this.response = new Response;
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86 | this.response.controller = this;
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87 | this.formatter = this.module.components.get('formatter');
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88 | this.i18n = this.module.components.get('i18n');
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89 | this.language = this.language || this.i18n && this.i18n.language;
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90 | this.timestamp = Date.now();
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91 | this.urlManager = this.module.components.get('urlManager');
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92 | }
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93 |
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94 | createModel (params) {
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95 | return this.spawn(this.getModelClass(), params);
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96 | }
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97 |
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98 | getModelClass () {
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99 | return this.constructor.getModelClass();
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100 | }
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101 |
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102 | assignSource (controller) {
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103 | this.module = controller.module;
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104 | this.req = controller.req;
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105 | this.res = controller.res;
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106 | this.err = controller.err;
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107 | this.user = controller.user;
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108 | this.language = controller.language;
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109 | this.timestamp = controller.timestamp;
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110 | return this;
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111 | }
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112 |
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113 | async execute (name) {
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114 | this.action = this.createAction(name);
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115 | if (!this.action) {
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116 | throw new Error(`Unable to create action: ${name}`);
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117 | }
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118 | const modules = this.module.getAncestry();
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119 |
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120 | for (let i = modules.length - 1; i >= 0; --i) {
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121 | await modules[i].beforeAction(this.action);
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122 | }
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123 | await this.beforeAction();
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124 | if (!this.response.has()) {
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125 | await this.action.execute();
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126 | }
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127 | await this.afterAction();
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128 |
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129 | for (const module of modules) {
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130 | await module.afterAction(this.action);
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131 | }
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132 | this.response.end();
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133 | }
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134 |
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135 | spawn (config, params) {
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136 | return ClassHelper.spawn(config, {
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137 | module: this.module,
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138 | user: this.user,
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139 | ...params
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140 | });
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141 | }
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142 |
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143 |
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144 |
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145 | createAction (name) {
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146 | name = name || this.DEFAULT_ACTION;
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147 | return this.createInlineAction(name) || this.createMappedAction(name);
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148 | }
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149 |
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150 | createInlineAction (name) {
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151 | const method = this[`action${StringHelper.idToCamel(name)}`];
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152 | if (typeof method === 'function') {
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153 | const config = this.INLINE_ACTION || this.module.InlineAction;
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154 | return this.spawn(config, {controller: this, method, name});
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155 | }
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156 | }
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157 |
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158 | createMappedAction (name) {
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159 | if (Object.prototype.hasOwnProperty.call(this.ACTIONS, name)) {
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160 | return this.spawn(this.ACTIONS[name], {controller: this, name});
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161 | }
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162 | }
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163 |
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164 |
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165 |
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166 | beforeAction () {
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167 |
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168 | return this.trigger(this.EVENT_BEFORE_ACTION, new ActionEvent(this.action));
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169 | }
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170 |
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171 | afterAction () {
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172 |
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173 | return this.trigger(this.EVENT_AFTER_ACTION, new ActionEvent(this.action));
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174 | }
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175 |
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176 |
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177 |
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178 | isAjax () {
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179 | return this.req.xhr;
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180 | }
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181 |
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182 | isGet () {
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183 | return this.req.method === 'GET';
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184 | }
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185 |
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186 | isPost () {
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187 | return this.req.method === 'POST';
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188 | }
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189 |
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190 | getHttpHeader (name) {
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191 | return this.req.get(name);
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192 | }
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193 |
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194 | getCurrentRoute () {
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195 | return this.req.baseUrl + this.req.path;
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196 | }
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197 |
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198 | getQueryParam (key, defaults) {
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199 | return ObjectHelper.getValue(key, this.req.query, defaults);
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200 | }
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201 |
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202 | getQueryParams () {
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203 | return this.req.query;
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204 | }
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205 |
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206 | getPostParam (key, defaults) {
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207 | return ObjectHelper.getValue(key, this.req.body, defaults);
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208 | }
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209 |
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210 | getPostParams () {
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211 | return this.req.body;
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212 | }
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213 |
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214 |
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215 |
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216 | setFlash (key, message, params) {
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217 | typeof this.req.flash === 'function'
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218 | ? this.req.flash(key, this.translate(message, params))
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219 | : this.log('error', 'Session flash not found', message);
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220 | }
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221 |
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222 | getFlash (key) {
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223 | return typeof this.req.flash === 'function'
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224 | ? this.req.flash(key)
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225 | : null;
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226 | }
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227 |
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228 |
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229 |
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230 | goHome () {
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231 | this.redirect(this.module.getHomeUrl());
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232 | }
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233 |
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234 | goLogin () {
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235 | this.redirect(this.user.getLoginUrl());
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236 | }
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237 |
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238 | goBack (url) {
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239 | this.redirect(this.user.getReturnUrl(url));
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240 | }
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241 |
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242 | reload () {
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243 | this.setHttpStatus(200);
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244 | this.response.redirect(this.req.originalUrl);
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245 | }
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246 |
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247 | redirect (url) {
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248 | this.response.redirect(this.createUrl(url));
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249 | }
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250 |
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251 | setHttpStatus (code) {
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252 | this.response.code = code;
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253 | return this;
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254 | }
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255 |
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256 | setHttpHeader () {
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257 | this.res.set(...arguments);
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258 | return this;
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259 | }
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260 |
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261 |
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262 |
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263 | async render () {
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264 | this.send(await this.renderOnly(...arguments));
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265 | }
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266 |
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267 | renderOnly (template, data) {
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268 | const model = this.createViewModel(template, {data});
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269 | return model
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270 | ? this.renderViewModel(model, template)
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271 | : this.renderTemplate(template, data);
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272 | }
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273 |
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274 | async renderViewModel (model, template) {
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275 | const data = await model.getTemplateData();
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276 | return this.renderTemplate(template, data);
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277 | }
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278 |
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279 | async renderTemplate (template, data) {
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280 | return this.getView().render(this.getViewFileName(template), data);
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281 | }
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282 |
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283 | createViewModel (name, config = {}) {
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284 | return this.getView().createViewModel(this.getViewFileName(name), config);
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285 | }
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286 |
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287 | getView () {
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288 | if (!this._view) {
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289 | this._view = this.createView();
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290 | }
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291 | return this._view;
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292 | }
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293 |
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294 | createView (params) {
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295 | return this.spawn(this.ACTION_VIEW || this.module.ActionView, {
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296 | controller: this,
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297 | theme: this.module.get('view').getTheme(),
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298 | ...params
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299 | });
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300 | }
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301 |
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302 | getViewFileName (name) {
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303 | name = typeof name !== 'string' ? String(name) : name;
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304 | return path.isAbsolute(name) ? name : (this.constructor.getViewDirectory() + name);
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305 | }
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306 |
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307 |
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308 |
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309 | send (data, code) {
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310 | this.response.send('send', data, code);
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311 | }
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312 |
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313 | sendText (data, code) {
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314 | this.send(typeof data === 'string' ? data : String(data), code);
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315 | }
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316 |
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317 | sendFile (data, code) {
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318 | this.response.send('sendFile', data, code);
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319 | }
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320 |
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321 | sendJson (data, code) {
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322 | this.response.send('json', data, code);
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323 | }
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324 |
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325 | sendStatus (code) {
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326 | this.response.send('sendStatus', code);
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327 | }
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328 |
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329 | sendData (data, encoding) {
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330 | this.response.sendData(data, encoding);
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331 | }
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332 |
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333 |
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334 |
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335 | getOriginalUrl () {
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336 | return this.req.originalUrl;
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337 | }
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338 |
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339 | createUrl (...data) {
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340 | return this.urlManager.resolve(data.length > 1 ? data : data[0], this.NAME);
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341 | }
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342 |
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343 | getHostUrl () {
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344 | return this.req.protocol +'://'+ this.req.get('host');
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345 | }
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346 |
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347 |
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348 |
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349 | getCsrfToken () {
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350 | return this.user.getCsrfToken();
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351 | }
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352 |
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353 | async can (name, params) {
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354 | if (!await this.user.can(name, params)) {
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355 | throw new Forbidden;
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356 | }
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357 | }
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358 |
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359 |
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360 |
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361 | translate (message, params, source = 'app') {
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362 | if (Array.isArray(message)) {
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363 | return this.translate(...message);
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364 | }
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365 | if (message instanceof Message) {
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366 | return message.translate(this.i18n, this.language);
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367 | }
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368 | return source
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369 | ? this.i18n.translate(message, params, source, this.language)
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370 | : this.i18n.format(message, params, this.language);
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371 | }
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372 |
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373 | translateMessageMap (data, ...args) {
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374 | data = {...data};
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375 | for (const key of Object.keys(data)) {
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376 | data[key] = this.translate(data[key], ...args);
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377 | }
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378 | return data;
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379 | }
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380 |
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381 | format (value, type, params) {
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382 | if (this.language) {
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383 | params = {language: this.language, ...params};
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384 | }
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385 | return this.formatter.format(value, type, params);
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386 | }
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387 | };
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388 | module.exports.init();
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389 |
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390 | const path = require('path');
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391 | const ClassHelper = require('../helper/ClassHelper');
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392 | const FileHelper = require('../helper/FileHelper');
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393 | const ObjectHelper = require('../helper/ObjectHelper');
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394 | const Forbidden = require('../error/ForbiddenHttpException');
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395 | const ActionEvent = require('./ActionEvent');
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396 | const Response = require('../web/Response');
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397 | const Message = require('../i18n/Message'); |
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