| Total Complexity | 47 |
| Total Lines | 349 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| Bugs | 0 | Features | 0 |
Complex classes like HandlesAqlGrammar often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use HandlesAqlGrammar, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 10 | trait HandlesAqlGrammar |
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| 11 | { |
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| 12 | /** |
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| 13 | * Available predicate operators. |
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| 14 | * |
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| 15 | * @var array<string, int> |
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| 16 | */ |
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| 17 | protected array $comparisonOperators = [ |
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| 18 | '==' => 1, |
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| 19 | '!=' => 1, |
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| 20 | '<' => 1, |
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| 21 | '>' => 1, |
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| 22 | '<=' => 1, |
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| 23 | '>=' => 1, |
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| 24 | 'IN' => 1, |
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| 25 | 'NOT IN' => 1, |
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| 26 | 'LIKE' => 1, |
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| 27 | '~' => 1, |
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| 28 | '!~' => 1, |
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| 29 | 'ALL ==' => 1, |
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| 30 | 'ALL !=' => 1, |
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| 31 | 'ALL <' => 1, |
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| 32 | 'ALL >' => 1, |
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| 33 | 'ALL <=' => 1, |
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| 34 | 'ALL >=' => 1, |
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| 35 | 'ALL IN' => 1, |
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| 36 | 'ANY ==' => 1, |
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| 37 | 'ANY !=' => 1, |
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| 38 | 'ANY <' => 1, |
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| 39 | 'ANY >' => 1, |
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| 40 | 'ANY <=' => 1, |
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| 41 | 'ANY >=' => 1, |
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| 42 | 'ANY IN' => 1, |
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| 43 | 'NONE ==' => 1, |
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| 44 | 'NONE !=' => 1, |
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| 45 | 'NONE <' => 1, |
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| 46 | 'NONE >' => 1, |
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| 47 | 'NONE <=' => 1, |
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| 48 | 'NONE >=' => 1, |
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| 49 | 'NONE IN' => 1, |
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| 50 | ]; |
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| 51 | |||
| 52 | /** |
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| 53 | * @var array<string, int> |
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| 54 | */ |
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| 55 | protected array $arithmeticOperators = [ |
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| 56 | '+' => 1, |
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| 57 | '-' => 1, |
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| 58 | '*' => 1, |
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| 59 | '/' => 1, |
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| 60 | '%' => 1, |
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| 61 | ]; |
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| 62 | |||
| 63 | /** |
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| 64 | * @var array|int[] |
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| 65 | */ |
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| 66 | protected array $logicalOperators = [ |
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| 67 | 'AND' => 1, |
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| 68 | '&&' => 1, |
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| 69 | 'OR' => 1, |
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| 70 | '||' => 1, |
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| 71 | 'NOT' => 1, |
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| 72 | '!' => 1, |
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| 73 | ]; |
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| 74 | |||
| 75 | protected string $rangeOperator = '..'; |
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| 76 | |||
| 77 | public function isBind(mixed $value): bool |
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| 78 | { |
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| 79 | if (is_string($value) && preg_match('/^@?[0-9]{4}_[a-zA-Z0-9_$]_[0-9_]+$/', $value)) { |
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| 80 | return true; |
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| 81 | } |
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| 82 | |||
| 83 | return false; |
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| 84 | } |
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| 85 | |||
| 86 | /** |
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| 87 | * Get the appropriate query parameter place-holder for a value. |
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| 88 | * |
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| 89 | * @param mixed $value |
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| 90 | */ |
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| 91 | public function parameter($value): string |
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| 92 | { |
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| 93 | return $this->isExpression($value) ? $this->getValue($value) : (string) $value; |
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| 94 | } |
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| 95 | |||
| 96 | |||
| 97 | /** |
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| 98 | * Quote the given string literal. |
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| 99 | * |
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| 100 | * @param string|array<string> $value |
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| 101 | * @return string |
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| 102 | */ |
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| 103 | public function quoteString($value) |
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| 110 | } |
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| 111 | |||
| 112 | |||
| 113 | /** |
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| 114 | * Wrap a value in keyword identifiers. |
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| 115 | * |
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| 116 | * @param Array<mixed>|Expression|string $value |
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| 117 | * @return array<mixed>|float|int|string |
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| 118 | * |
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| 119 | * @SuppressWarnings("PHPMD.BooleanArgumentFlag") |
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| 120 | */ |
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| 121 | public function wrap($value) |
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| 122 | { |
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| 123 | if ($value instanceof Expression) { |
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| 124 | return $value->getValue($this); |
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| 125 | } |
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| 126 | |||
| 127 | if (is_array($value)) { |
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| 128 | foreach ($value as $key => $subvalue) { |
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| 129 | $value[$key] = $this->wrap($subvalue); |
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| 130 | } |
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| 131 | return $value; |
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| 132 | } |
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| 133 | |||
| 134 | // If the value being wrapped has a column alias we will need to separate out |
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| 135 | // the pieces so we can wrap each of the segments of the expression on its |
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| 136 | // own, and then join these both back together using the "as" connector. |
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| 137 | if (is_string($value) && stripos($value, ' as ') !== false) { |
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| 138 | return $this->wrapAliasedValue($value); |
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| 139 | } |
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| 140 | |||
| 141 | return $this->wrapSegments(explode('.', $value)); |
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| 142 | } |
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| 143 | |||
| 144 | |||
| 145 | /** |
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| 146 | * Wrap a table in keyword identifiers. |
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| 147 | * |
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| 148 | * @param Expression|string $table |
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| 149 | * @return float|int|string |
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| 150 | */ |
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| 151 | public function wrapTable($table, $prefix = null) |
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| 152 | { |
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| 153 | if (!$table instanceof Expression) { |
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| 154 | $wrappedTable = $this->wrap(($prefix ?? $this->tablePrefix) . $table); |
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| 155 | |||
| 156 | assert(!is_array($wrappedTable)); |
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| 157 | |||
| 158 | return $wrappedTable; |
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| 159 | } |
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| 160 | |||
| 161 | return $table->getValue($this); |
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| 162 | } |
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| 163 | |||
| 164 | /** |
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| 165 | * Wrap a single string in keyword identifiers. |
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| 166 | * |
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| 167 | * @param string $value |
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| 168 | * @return string |
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| 169 | */ |
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| 170 | protected function wrapValue($value) |
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| 171 | { |
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| 172 | $postfix = ''; |
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| 173 | if ($value === 'groupsVariable') { |
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| 174 | $postfix = '[*]'; |
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| 175 | } |
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| 176 | |||
| 177 | if ($value === '*') { |
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| 178 | return $value; |
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| 179 | } |
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| 180 | |||
| 181 | return '`' . str_replace('`', '``', $value) . '`' . $postfix; |
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| 182 | } |
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| 183 | |||
| 184 | /** |
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| 185 | * Wrap a single string in keyword identifiers. |
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| 186 | * |
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| 187 | * @param string $value |
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| 188 | * @return string |
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| 189 | */ |
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| 190 | protected function wrapAttribute($value) |
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| 191 | { |
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| 192 | if (!is_string($value)) { |
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| 193 | return $value; |
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| 194 | } |
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| 195 | return '`' . str_replace('`', '``', $value) . '`'; |
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| 196 | } |
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| 197 | |||
| 198 | |||
| 199 | /** |
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| 200 | * Wrap a subquery single string in braces. |
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| 201 | */ |
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| 202 | public function wrapSubquery(string $subquery): string |
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| 205 | } |
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| 206 | |||
| 207 | /** |
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| 208 | * @param array<mixed> $data |
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| 209 | * @return string |
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| 210 | */ |
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| 211 | public function generateAqlObject(array $data): string |
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| 212 | { |
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| 213 | $data = Arr::undot($data); |
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| 214 | return $this->generateAqlObjectString($data); |
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| 215 | } |
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| 216 | |||
| 217 | /** |
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| 218 | * @param array<mixed> $data |
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| 219 | * @return string |
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| 220 | */ |
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| 221 | protected function generateAqlObjectString(array $data): string |
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| 222 | { |
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| 223 | foreach ($data as $key => $value) { |
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| 224 | $prefix = $this->wrapAttribute($key) . ': '; |
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| 225 | |||
| 226 | if (is_numeric($key)) { |
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| 227 | $prefix = ''; |
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| 228 | } |
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| 229 | |||
| 230 | if (is_bool($value)) { |
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| 231 | $booleanString = ($value) ? 'true' : 'false'; |
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| 232 | $data[$key] = $prefix . $booleanString; |
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| 233 | |||
| 234 | continue; |
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| 235 | } |
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| 236 | |||
| 237 | if (is_array($value)) { |
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| 238 | $data[$key] = $prefix . $this->generateAqlObjectString($value); |
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| 239 | continue; |
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| 240 | } |
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| 241 | |||
| 242 | if ($value instanceof Expression) { |
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| 243 | $data[$key] = $prefix . $value->getValue($this); |
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| 244 | continue; |
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| 245 | } |
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| 246 | |||
| 247 | $data[$key] = $prefix . $value; |
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| 248 | } |
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| 249 | |||
| 250 | $returnString = implode(', ', $data); |
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| 251 | |||
| 252 | if (array_is_list($data)) { |
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| 253 | return '[' . $returnString . ']'; |
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| 254 | } |
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| 255 | |||
| 256 | return '{' . $returnString . '}'; |
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| 257 | } |
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| 258 | |||
| 259 | /** |
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| 260 | * Substitute the given bindings into the given raw AQL query. |
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| 261 | * |
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| 262 | * @param string $aql |
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| 263 | * @param array<mixed> $bindings |
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| 264 | * @return string |
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| 265 | */ |
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| 266 | public function substituteBindingsIntoRawSql($aql, $bindings) |
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| 282 | } |
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| 283 | |||
| 284 | /** |
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| 285 | * Determine if the given string is a JSON selector. |
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| 286 | * |
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| 287 | * @param string $value |
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| 288 | * @return bool |
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| 289 | */ |
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| 290 | public function isJsonSelector($value) |
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| 297 | } |
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| 298 | |||
| 299 | public function convertJsonFields(mixed $data): mixed |
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| 300 | { |
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| 314 | } |
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| 315 | |||
| 316 | /** |
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| 317 | * @param array<string> $fields |
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| 318 | * @return array<string> |
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| 319 | */ |
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| 320 | public function convertJsonValuesToDotNotation(array $fields): array |
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| 321 | { |
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| 322 | foreach ($fields as $key => $value) { |
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| 323 | if ($this->isJsonSelector($value)) { |
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| 324 | $fields[$key] = str_replace('->', '.', $value); |
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| 325 | } |
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| 326 | } |
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| 327 | return $fields; |
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| 328 | } |
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| 329 | |||
| 330 | /** |
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| 331 | * @param array<string> $fields |
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| 332 | * @return array<string> |
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| 333 | */ |
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| 334 | public function convertJsonKeysToDotNotation(array $fields): array |
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| 335 | { |
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| 336 | foreach ($fields as $key => $value) { |
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| 337 | if ($this->isJsonSelector($key)) { |
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| 338 | $fields[str_replace('->', '.', $key)] = $value; |
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| 339 | unset($fields[$key]); |
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| 340 | } |
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| 341 | } |
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| 342 | return $fields; |
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| 343 | } |
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| 344 | |||
| 345 | /** |
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| 346 | * Translate sql operators to their AQL equivalent where possible. |
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| 347 | * |
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| 348 | * @param string $operator |
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| 349 | * |
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| 350 | * @return mixed|string |
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| 351 | */ |
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| 352 | protected function translateOperator(string $operator) |
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| 359 | } |
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| 360 | |||
| 361 | } |
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| 362 |