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<?php |
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namespace mav3rick177\RapidPagination\Base\Query; |
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use mav3rick177\RapidPagination\Base\Contracts\Cursor; |
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use mav3rick177\RapidPagination\Base\ArrayCursor; |
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use mav3rick177\RapidPagination\Base\Exceptions\Query\CursorParameterException; |
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/** |
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* Class ConditionGroup |
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* |
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* Conditions are concatenated with "AND". |
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*/ |
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class ConditionGroup implements \IteratorAggregate |
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{ |
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/** |
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* @var Condition[] |
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*/ |
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protected $conditions = []; |
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/** |
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* @param Order[] $orders |
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* @param Cursor|int[]|string[] $cursor |
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* @param Direction $direction |
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* @param bool $exclusive |
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* @param bool $isSupportQuery |
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* @return static[] |
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*/ |
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public static function createMany(array $orders, $cursor, Direction $direction, $exclusive, $isSupportQuery = false) |
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{ |
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$groups = []; |
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$count = count($orders); |
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for ($i = 0; $i < $count; ++$i) { |
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/* |
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* Slice orders for building conditions. |
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* |
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* e.g. |
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* |
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* 1st: updated_at = ? AND created_at = ? AND id > ? |
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* 2nd: updated_at = ? AND created_at > ? |
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* 3rd: updated_at > ? |
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*/ |
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$groups[] = static::create( |
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array_slice($orders, 0, $count - $i), |
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$cursor, |
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$direction, |
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$exclusive, |
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$i === 0, // First row has a primary key |
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$isSupportQuery |
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); |
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} |
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return $groups; |
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} |
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/** |
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* @param Order[] $orders |
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* @param Cursor|int[]|string[] $cursor |
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* @param Direction $direction |
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* @param bool $exclusive |
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* @param bool $hasPrimaryKey |
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* @param bool $isSupportQuery |
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* @return static |
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*/ |
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public static function create(array $orders, $cursor, Direction $direction, $exclusive, $hasPrimaryKey, $isSupportQuery = false) |
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{ |
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$conditions = []; |
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$i = 0; |
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$count = count($orders); |
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$cursor = $cursor instanceof Cursor ? $cursor : new ArrayCursor($cursor); |
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foreach ($orders as $order) { |
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if (!$cursor->has($order->column())) { |
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// All parameters must be specified. |
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throw new CursorParameterException("Missing cursor parameter: {$order->column()}", $order->column()); |
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} |
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$isLastKey = ++$i === $count; |
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$conditions[] = Condition::create( |
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$order, |
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$cursor->get($order->column()), |
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$direction, |
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$exclusive, |
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$isLastKey && $hasPrimaryKey, // When it is the last key and we have a primary key, it is also the primary key. |
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$isLastKey, |
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$isSupportQuery |
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); |
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} |
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return new static($conditions); |
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} |
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/** |
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* Group constructor. |
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* |
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* @param Condition[] $conditions |
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*/ |
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public function __construct(array $conditions) |
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{ |
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$this->conditions = static::validate(...$conditions); |
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} |
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/** |
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* @param Condition[] $conditions |
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* @return Condition[] |
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*/ |
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protected static function validate(Condition ...$conditions) |
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{ |
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return $conditions; |
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} |
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/** |
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* @return Condition[] |
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*/ |
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public function conditions() |
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{ |
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return $this->conditions; |
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} |
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/** |
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* @return static |
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*/ |
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public function inverse() |
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{ |
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return new static(array_map(static function (Condition $condition) { |
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return $condition->inverse(); |
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}, $this->conditions)); |
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} |
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/** |
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* Clone Group. |
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*/ |
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public function __clone() |
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{ |
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$this->conditions = array_map(static function (Condition $condition) { |
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return clone $condition; |
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}, $this->conditions); |
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} |
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/** |
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* Retrieve an external iterator. |
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* |
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* @return \ArrayIterator|Condition[] |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->conditions); |
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} |
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} |
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mav3rick177 /
rapid-pagination
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..