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<?php
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2
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3
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namespace Nuwave\Lighthouse\WhereConditions;
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4
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5
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use GraphQL\Error\Error;
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6
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7
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class SQLOperator implements Operator
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8
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{
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9
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1
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public static function missingValueForColumn(string $column): string
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10
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{
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11
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1
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return "Did not receive a value to match the WhereConditions for column {$column}.";
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12
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}
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13
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14
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1
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public function enumDefinition(): string
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{
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16
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return /** @lang GraphQL */ <<<'GRAPHQL'
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1
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"The available SQL operators that are used to filter query results."
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enum SQLOperator {
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"Equal operator (`=`)"
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EQ @enum(value: "=")
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21
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22
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"Not equal operator (`!=`)"
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NEQ @enum(value: "!=")
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"Greater than operator (`>`)"
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GT @enum(value: ">")
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"Greater than or equal operator (`>=`)"
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GTE @enum(value: ">=")
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31
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"Less than operator (`<`)"
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LT @enum(value: "<")
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34
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"Less than or equal operator (`<=`)"
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35
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LTE @enum(value: "<=")
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36
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37
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"Simple pattern matching (`LIKE`)"
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LIKE @enum(value: "LIKE")
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39
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40
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"Negation of simple pattern matching (`NOT LIKE`)"
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NOT_LIKE @enum(value: "NOT_LIKE")
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42
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43
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"Whether a value is within a set of values (`IN`)"
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IN @enum(value: "In")
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45
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46
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"Whether a value is not within a set of values (`NOT IN`)"
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NOT_IN @enum(value: "NotIn")
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48
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49
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"Whether a value is within a range of values (`BETWEEN`)"
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50
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BETWEEN @enum(value: "Between")
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51
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52
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"Whether a value is not within a range of values (`NOT BETWEEN`)"
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NOT_BETWEEN @enum(value: "NotBetween")
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54
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55
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"Whether a value is null (`IS NULL`)"
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56
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IS_NULL @enum(value: "Null")
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57
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58
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"Whether a value is not null (`IS NOT NULL`)"
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59
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IS_NOT_NULL @enum(value: "NotNull")
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60
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}
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61
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GRAPHQL;
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62
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}
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63
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64
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1
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public function default(): string
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65
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{
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66
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return 'EQ';
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67
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}
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68
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69
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1
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public function defaultHasOperator(): string
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70
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{
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71
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return 'GTE';
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72
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}
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73
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74
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1
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public function applyConditions($builder, array $whereConditions, string $boolean)
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75
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{
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76
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1
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$column = $whereConditions['column'];
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77
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78
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// Laravel's conditions always start off with this prefix
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1
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$method = 'where';
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80
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81
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// The first argument to conditions methods is always the column name
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82
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1
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$args = [$column];
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83
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84
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// Some operators require calling Laravel's conditions in different ways
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85
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1
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$operator = $whereConditions['operator'];
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86
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1
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$arity = $this->operatorArity($operator);
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87
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88
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1
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if ($arity === 3) {
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89
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// Usually, the operator is passed as the second argument to the condition
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90
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// method, e.g. ->where('some_col', '=', $value)
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91
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1
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$args[] = $operator;
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92
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} else {
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93
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// We utilize the fact that the operators are named after Laravel's condition
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94
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// methods so we can simply append the name, e.g. whereNull, whereNotBetween
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95
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1
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$method .= $operator;
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96
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}
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97
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98
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1
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if ($arity > 1) {
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99
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// The conditions with arity 1 require no args apart from the column name.
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100
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// All other arities take a value to query against.
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101
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1
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if (! array_key_exists('value', $whereConditions)) {
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102
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1
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throw new Error(
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103
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1
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self::missingValueForColumn($column)
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104
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);
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105
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}
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106
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107
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1
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$args[] = $whereConditions['value'];
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108
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}
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109
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110
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// The condition methods always have the `$boolean` arg after the value
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111
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1
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$args[] = $boolean;
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112
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113
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1
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return $builder->{$method}(...$args);
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114
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}
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115
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116
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1
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protected function operatorArity(string $operator): int
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117
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{
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118
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1
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if (in_array($operator, ['Null', 'NotNull'])) {
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119
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1
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return 1;
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120
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}
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121
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122
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1
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if (in_array($operator, ['In', 'NotIn', 'Between', 'NotBetween'])) {
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123
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1
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return 2;
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124
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}
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125
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126
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1
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return 3;
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127
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}
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128
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}
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spawnia