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<?php |
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/** |
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* Copyright 2021 Aleksandar Panic |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace ArekX\PQL\Drivers\MySql\Builder\Builders\Traits; |
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use ArekX\PQL\Contracts\StructuredQuery; |
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use ArekX\PQL\Drivers\MySql\Builder\MySqlQueryBuilderState; |
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trait ConditionTrait |
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{ |
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use SubQueryTrait; |
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use QuoteNameTrait; |
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protected function resolveCondition($condition, MySqlQueryBuilderState $state) |
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{ |
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if ($condition instanceof StructuredQuery) { |
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1 |
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return $this->buildSubQuery($condition, $state); |
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} |
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if (is_array($condition)) { |
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switch($condition[0]) { |
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case 'all': |
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return $this->buildAssociativeCondition(' AND ',$condition, $state); |
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case 'any': |
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return $this->buildAssociativeCondition(' OR ',$condition, $state); |
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case 'and': |
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return $this->buildConjuctionCondition(' AND ', $condition, $state); |
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case 'or': |
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return $this->buildConjuctionCondition(' OR ', $condition, $state); |
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case 'column': |
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return $this->buildColumnCondition($condition); |
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case 'value': |
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return $this->buildValueCondition($condition, $state); |
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} |
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throw new \Exception('Unknown condition: ' . var_export($condition[0], true)); |
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} |
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throw new \Exception('Condition must be an array.'); |
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} |
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protected function buildConjuctionCondition(string $glue, $condition, MySqlQueryBuilderState $state) |
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{ |
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$result = []; |
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2 |
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$max = count($condition); |
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for($i = 1; $i < $max; $i++) { |
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$result[] = '(' . $this->resolveCondition($condition[$i], $state) . ')'; |
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} |
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return implode($glue, $result); |
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} |
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protected function buildAssociativeCondition($glue, $condition, MySqlQueryBuilderState $state) |
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{ |
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$result = []; |
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foreach ($condition[1] as $key => $value) { |
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$result[] = $this->quoteName($key) . ' = ' . $state->getParamsBuilder()->wrapValue($value); |
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} |
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return implode($glue, $result); |
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} |
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4 |
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protected function buildColumnCondition($condition) |
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{ |
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$column = $condition[1] ?? null; |
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if (empty($column)) { |
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throw new \Exception('Column name must be set.'); |
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} else if (!is_string($column)) { |
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throw new \Exception('Column name must be a string.'); |
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} |
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return $this->quoteName($column); |
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} |
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4 |
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protected function buildValueCondition($condition, MySqlQueryBuilderState $state) |
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{ |
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return $state->getParamsBuilder()->wrapValue($condition[1] ?? null, $condition[2] ?? null); |
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} |
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} |
ArekX /
PQL
