post-meta-view.php
3 years ago
relation.php
3 years ago
view-base-count-trait.php
3 years ago
view-base.php
3 years ago
view-custom-table-base.php
3 years ago
relation.php
69 lines
| 1 | <?php |
| 2 | |
| 3 | |
| 4 | namespace Jet_Form_Builder\Db_Queries\Views; |
| 5 | |
| 6 | |
| 7 | class Relation { |
| 8 | |
| 9 | /** @var object */ |
| 10 | public $local; |
| 11 | |
| 12 | /** @var object */ |
| 13 | public $foreign; |
| 14 | |
| 15 | public $condition = ''; |
| 16 | protected $type = 'INNER'; |
| 17 | |
| 18 | public function type( string $type ): Relation { |
| 19 | $this->type = $type; |
| 20 | |
| 21 | return $this; |
| 22 | } |
| 23 | |
| 24 | public function local( View_Base $view_base, string $foreign_key ): Relation { |
| 25 | if ( ! $this->local ) { |
| 26 | $this->local = (object) array( |
| 27 | 'table' => $view_base->table(), |
| 28 | 'key' => $foreign_key |
| 29 | ); |
| 30 | } |
| 31 | |
| 32 | return $this; |
| 33 | } |
| 34 | |
| 35 | public function foreign( View_Base $view_base, string $primary_key = 'id' ): Relation { |
| 36 | if ( ! $this->foreign ) { |
| 37 | $this->foreign = (object) array( |
| 38 | 'table' => $view_base->table(), |
| 39 | 'key' => $primary_key |
| 40 | ); |
| 41 | } |
| 42 | |
| 43 | return $this; |
| 44 | } |
| 45 | |
| 46 | public function condition( string $condition ): Relation { |
| 47 | $this->condition = $condition; |
| 48 | |
| 49 | return $this; |
| 50 | } |
| 51 | |
| 52 | public function parse_condition( string $condition ): string { |
| 53 | return str_replace( |
| 54 | array( '@local', '@foreign' ), |
| 55 | array( $this->local->table, $this->foreign->table ), |
| 56 | $condition |
| 57 | ); |
| 58 | } |
| 59 | |
| 60 | public function get_result() { |
| 61 | $foreign = $this->foreign->table; |
| 62 | |
| 63 | $left = "`{$this->local->table}`.`{$this->local->key}`"; |
| 64 | $right = "`{$foreign}`.`{$this->foreign->key}`"; |
| 65 | |
| 66 | return "{$this->type} JOIN `{$foreign}` ON {$left} = {$right} {$this->parse_condition( $this->condition )}"; |
| 67 | } |
| 68 | |
| 69 | } |