Yuri Kuznetsov
359 lines
9.6 KiB
PHP
359 lines
9.6 KiB
PHP
<?php
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/************************************************************************
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* This file is part of EspoCRM.
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*
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* EspoCRM - Open Source CRM application.
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* Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
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* Website: https://www.espocrm.com
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*
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* EspoCRM is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* EspoCRM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
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************************************************************************/
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namespace Espo\ORM\Query;
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use Espo\ORM\Query\{
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Part\WhereItem,
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Part\Expression,
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};
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use InvalidArgumentException;
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trait SelectingBuilderTrait
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{
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use BaseBuilderTrait;
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/**
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* Add a WHERE clause.
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*
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* Usage options:
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* * `where(WhereItem $clause)`
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* * `where(array $clause)`
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* * `where(string $key, string $value)`
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*
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* @param WhereItem|array|string $clause A key or where clause.
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* @param array|string|null $value A value. Omitted if the first argument is not string.
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*/
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public function where($clause, $value = null): self
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{
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$this->applyWhereClause('whereClause', $clause, $value);
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return $this;
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}
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private function applyWhereClause(string $type, $clause, $value): void
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{
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if ($clause instanceof WhereItem) {
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$clause = $clause->getRaw();
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}
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$this->params[$type] = $this->params[$type] ?? [];
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$original = $this->params[$type];
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if (!is_string($clause) && !is_array($clause)) {
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throw new InvalidArgumentException("Bad where clause.");
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}
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if (is_array($clause)) {
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$new = $clause;
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}
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if (is_string($clause)) {
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$new = [$clause => $value];
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}
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$containsSameKeys = (bool) count(
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array_intersect(
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array_keys($new),
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array_keys($original)
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)
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);
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if ($containsSameKeys) {
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$this->params[$type][] = $new;
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return;
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}
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$this->params[$type] = $new + $original;
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return;
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}
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/**
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* Apply ORDER.
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*
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* Usage options:
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* * `order(Expression|string $orderBy, string|bool $direction)
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* * `order(int $positionInSelect, string|bool $direction)
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* * `order([[$expr1, $direction1], [$expr2, $direction2], ...])
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* * `order([$expr1, $expr2, ...], string|bool $direction)
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*
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* @param string|Expression|int|array $orderBy
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* An attribute to order by or an array or order items.
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* Passing an array will reset a previously set order.
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* @param string|bool $direction 'ASC' or 'DESC'. TRUE for DESC order.
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*/
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public function order($orderBy, $direction = Select::ORDER_ASC): self
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{
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if (is_array($orderBy)) {
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$this->params['orderBy'] = $this->normilizeOrderExpressionItemArray($orderBy, $direction);
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return $this;
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}
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if (!$orderBy) {
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throw InvalidArgumentException();
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}
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$this->params['orderBy'] = $this->params['orderBy'] ?? [];
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if ($orderBy instanceof Expression) {
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$orderBy = $orderBy->getValue();
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}
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$this->params['orderBy'][] = [$orderBy, $direction];
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return $this;
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}
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/**
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* Add JOIN.
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*
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* @param string $relationName
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* A relationName or table. A relationName is in camelCase, a table is in CamelCase.
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* @param string|null $alias An alias.
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* @param WhereItem|array|null $conditions Join conditions.
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*/
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public function join($relationName, ?string $alias = null, $conditions = null): self
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{
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if ($conditions !== null && !is_array($conditions) && !$conditions instanceof WhereItem) {
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throw new InvalidArgumentException("Conditions must be WhereItem or array.");
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}
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if ($conditions instanceof WhereItem) {
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$conditions = $conditions->getRaw();
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}
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if (empty($this->params['joins'])) {
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$this->params['joins'] = [];
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}
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if (is_array($relationName)) {
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$joinList = $relationName;
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foreach ($joinList as $item) {
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$this->params['joins'][] = $item;
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}
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return $this;
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}
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if (is_null($alias) && is_null($conditions) && $this->hasJoinAlias($relationName)) {
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return $this;
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}
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if (is_null($alias) && is_null($conditions)) {
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$this->params['joins'][] = $relationName;
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return $this;
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}
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if (is_null($conditions)) {
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$this->params['joins'][] = [$relationName, $alias];
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return $this;
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}
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$this->params['joins'][] = [$relationName, $alias, $conditions];
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return $this;
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}
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/**
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* Add LEFT JOIN.
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*
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* @param string $relationName
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* A relationName or table. A relationName is in camelCase, a table is in CamelCase.
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* @param string|null $alias An alias.
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* @param WhereItem|array|null $conditions Join conditions.
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*/
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public function leftJoin($relationName, ?string $alias = null, $conditions = null): self
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{
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if ($conditions !== null && !is_array($conditions) && !$conditions instanceof WhereItem) {
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throw new InvalidArgumentException("Conditions must be WhereItem or array.");
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}
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if ($conditions instanceof WhereItem) {
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$conditions = $conditions->getRaw();
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}
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if (empty($this->params['leftJoins'])) {
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$this->params['leftJoins'] = [];
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}
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if (is_array($relationName)) {
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$joinList = $relationName;
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foreach ($joinList as $item) {
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$this->params['leftJoins'][] = $item;
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}
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return $this;
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}
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if (is_null($alias) && is_null($conditions) && $this->hasLeftJoinAlias($relationName)) {
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return $this;
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}
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if (is_null($alias) && is_null($conditions)) {
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$this->params['leftJoins'][] = $relationName;
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return $this;
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}
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if (is_null($conditions)) {
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$this->params['leftJoins'][] = [$relationName, $alias];
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return $this;
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}
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$this->params['leftJoins'][] = [$relationName, $alias, $conditions];
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return $this;
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}
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/**
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* Whether an alias is in left joins.
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*/
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public function hasLeftJoinAlias(string $alias): bool
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{
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$leftJoins = $this->params['leftJoins'] ?? [];
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if (in_array($alias, $leftJoins)) {
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return true;
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}
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foreach ($leftJoins as $item) {
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if (is_array($item) && count($item) > 1) {
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if ($item[1] === $alias) {
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return true;
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}
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}
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}
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return false;
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}
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/**
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* Whether an alias is in joins.
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*/
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public function hasJoinAlias(string $alias): bool
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{
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$joins = $this->params['joins'] ?? [];
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if (in_array($alias, $joins)) {
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return true;
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}
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foreach ($joins as $item) {
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if (is_array($item) && count($item) > 1) {
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if ($item[1] === $alias) {
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return true;
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}
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}
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}
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return false;
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}
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private function normilizeExpressionItemArray(array $itemList): array
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{
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$resultList = [];
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foreach ($itemList as $item) {
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if ($item instanceof Expression) {
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$resultList[] = $item->getValue();
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continue;
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}
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if (!is_array($item) || !count($item) || !$item[0] instanceof Expression) {
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$resultList[] = $item;
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continue;
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}
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$newItem = [$item[0]->getValue()];
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if (count($item) > 1) {
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$newItem[] = $item[1];
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}
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$resultList[] = $newItem;
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continue;
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}
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return $resultList;
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}
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private function normilizeOrderExpressionItemArray(array $itemList, $direction): array
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{
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$resultList = [];
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foreach ($itemList as $item) {
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if (is_string($item)) {
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$resultList[] = [$item, $direction];
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continue;
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}
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if ($item instanceof Expression) {
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$resultList[] = [$item->getValue(), $direction];
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continue;
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}
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if (!is_array($item) || !count($item) || !$item[0] instanceof Expression) {
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$resultList[] = $item;
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continue;
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}
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$newItem = [$item[0]->getValue()];
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if (count($item) > 1) {
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$newItem[] = $item[1];
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}
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else {
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$newItem[] = $direction;
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}
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$resultList[] = $newItem;
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continue;
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}
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return $resultList;
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}
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}
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