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<?php |
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namespace Backpack\CRUD\app\Library\CrudPanel\Traits; |
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trait Query |
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{ |
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public $query; |
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// ---------------- |
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// ADVANCED QUERIES |
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// ---------------- |
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/** |
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* Add another clause to the query (for ex, a WHERE clause). |
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* |
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* Examples: |
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* $this->crud->addClause('active'); |
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* $this->crud->addClause('type', 'car'); |
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* $this->crud->addClause('where', 'name', '==', 'car'); |
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* $this->crud->addClause('whereName', 'car'); |
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* $this->crud->addClause('whereHas', 'posts', function($query) { |
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* $query->activePosts(); |
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* }); |
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* |
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* @param callable $function |
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* |
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* @return mixed |
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*/ |
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public function addClause($function) |
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{ |
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return call_user_func_array([$this->query, $function], array_slice(func_get_args(), 1)); |
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} |
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/** |
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* Use eager loading to reduce the number of queries on the table view. |
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* |
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* @param array|string $entities |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function with($entities) |
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{ |
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return $this->query->with($entities); |
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} |
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/** |
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* Order the results of the query in a certain way. |
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* |
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* @param string $field |
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* @param string $order |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function orderBy($field, $order = 'asc') |
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{ |
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if ($this->getRequest()->has('order')) { |
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return $this->query; |
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} |
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return $this->query->orderBy($field, $order); |
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} |
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/** |
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* Order results of the query in a custom way. |
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* |
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* @param array $column Column array with all attributes |
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* @param string $column_direction ASC or DESC |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function customOrderBy($column, $columnDirection = 'asc') |
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{ |
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if (! isset($column['orderLogic'])) { |
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return $this->query; |
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} |
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$this->query->getQuery()->orders = null; |
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$orderLogic = $column['orderLogic']; |
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if (is_callable($orderLogic)) { |
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return $orderLogic($this->query, $column, $columnDirection); |
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} |
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return $this->query; |
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} |
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/** |
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* Group the results of the query in a certain way. |
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* |
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* @param string $field |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function groupBy($field) |
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{ |
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return $this->query->groupBy($field); |
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} |
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/** |
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* Limit the number of results in the query. |
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* |
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* @param int $number |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function limit($number) |
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{ |
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return $this->query->limit($number); |
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} |
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/** |
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* Take a certain number of results from the query. |
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* |
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* @param int $number |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function take($number) |
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{ |
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return $this->query->take($number); |
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} |
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/** |
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* Start the result set from a certain number. |
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* |
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* @param int $number |
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* |
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* @return \Illuminate\Database\Eloquent\Builder |
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*/ |
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public function skip($number) |
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{ |
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return $this->query->skip($number); |
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} |
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/** |
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* Count the number of results. |
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* |
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* @return int |
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*/ |
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public function count() |
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{ |
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return $this->query->count(); |
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} |
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public function orderByWithPrefix($column_name, $column_direction = 'ASC') |
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{ |
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if ($this->driverIsSql()) { |
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return $this->query->orderByRaw($this->model->getTableWithPrefix().'.'.$column_name.' '.$column_direction); |
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} |
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return $this->query->orderBy($column_name, $column_direction); |
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} |
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} |
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Laravel-Backpack /
CRUD
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