1 | "use strict";
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2 |
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3 |
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4 | function parseFieldValues(output, searchField, field, values)
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5 | {
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6 | for (let value of values)
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7 | {
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8 | if (searchField.filters && searchField.filters.length > 0)
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9 | {
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10 | let filter = searchField.filters[0];
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11 |
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12 | if (value.match(/^[a-z0-9]+:/))
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13 | {
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14 | let index = value.indexOf(':');
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15 |
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16 | filter = value.substr(0, index);
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17 | if (searchField.filters.indexOf(filter) === -1)
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18 | {
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19 | filter = searchField.filters[0];
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20 | }
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21 | else
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22 | {
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23 | value = value.substr(index + 1);
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24 | }
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25 | }
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26 | if (filter !== 'regex')
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27 | {
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28 | value = value.split('|');
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29 | }
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30 | else
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31 | {
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32 | value = [value];
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33 | }
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34 | if (searchField.enum)
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35 | {
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36 | value = value.filter((v) => v.length > 0 && searchField.enum.indexOf(v) !== -1);
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37 | }
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38 | output.filter.push({
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39 | field: searchField.searchField || field,
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40 | filter,
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41 | value
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42 | });
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43 | }
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44 | }
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45 | }
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46 |
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47 | function getDefaultOutput(searchMetadata)
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48 | {
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49 | return {
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50 | offset: 0,
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51 | limit: searchMetadata && searchMetadata.limit && searchMetadata.limit.default ? searchMetadata.limit.default : 20,
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52 | filter: [],
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53 | sort: false,
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54 | order: 'asc',
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55 | extra: [],
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56 | returnFacets: false
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57 | };
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58 | }
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59 |
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60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 |
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67 | function parse(searchMetadata, query)
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68 | {
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69 | let output = getDefaultOutput(searchMetadata);
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70 |
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71 |
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72 | Object.keys(query)
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73 | .sort()
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74 | .forEach((field) =>
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75 | {
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76 |
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77 | if (searchMetadata.fields)
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78 | {
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79 | let searchField = searchMetadata.fields && searchMetadata.fields[field];
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80 |
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81 | if (searchField)
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82 | {
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83 | let values = query[field];
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84 |
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85 | if (!Array.isArray(values))
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86 | {
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87 | values = [values];
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88 | }
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89 | parseFieldValues(output, searchField, field, values);
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90 | }
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91 | }
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92 |
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93 | if (field === 'offset')
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94 | {
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95 | console.log();
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96 | output.offset = Math.max(0, parseInt(query.offset));
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97 | }
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98 | else if (field === 'limit' && searchMetadata.limit)
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99 | {
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100 | output.limit = Math.max(searchMetadata.limit.minimum, Math.min(searchMetadata.limit.maximum, parseInt(query.limit)));
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101 | }
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102 |
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103 | else if (field === 'sort')
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104 | {
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105 | if (searchMetadata.sort && searchMetadata.sort.indexOf(query.sort) !== -1)
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106 | {
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107 | output.sort = query.sort;
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108 | }
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109 | }
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110 | else if (field === 'order')
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111 | {
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112 | output.order = query.order.substr(0, 1) !== 'd' ? 'asc' : 'dsc';
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113 | }
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114 |
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115 | else if (field === 'extra')
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116 | {
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117 | output.extra = query.extra.split(/\|/g)
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118 | .filter((x) => x);
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119 | }
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120 | else if (field === 'facets' && searchMetadata.facets)
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121 | {
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122 | output.returnFacets = true;
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123 | }
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124 | });
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125 |
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126 | return output;
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127 | }
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128 |
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129 | module.exports = parse;
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