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<?php |
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|
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|
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namespace Jet_Form_Builder\Db_Queries\Views; |
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|
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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class Relation { |
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|
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/** @var object */ |
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public $local; |
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|
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/** @var object */ |
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public $foreign; |
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|
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public $condition = ''; |
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protected $type = 'INNER'; |
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|
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public function type( string $type ): Relation { |
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$this->type = $type; |
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|
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return $this; |
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} |
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|
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public function local( View_Base $view_base, string $foreign_key ): Relation { |
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if ( ! $this->local ) { |
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$this->local = (object) array( |
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'table' => $view_base->table(), |
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'key' => $foreign_key, |
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); |
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} |
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|
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return $this; |
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} |
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|
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public function foreign( View_Base $view_base, string $primary_key = 'id' ): Relation { |
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if ( ! $this->foreign ) { |
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$this->foreign = (object) array( |
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'table' => $view_base->table(), |
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'key' => $primary_key, |
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); |
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} |
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|
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return $this; |
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} |
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|
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public function condition( string $condition ): Relation { |
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$this->condition = $condition; |
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|
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return $this; |
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} |
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|
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public function parse_condition( string $condition ): string { |
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return str_replace( |
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array( '@local', '@foreign' ), |
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array( $this->local->table, $this->foreign->table ), |
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$condition |
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); |
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} |
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|
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public function get_result() { |
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$foreign = $this->foreign->table; |
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|
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$left = "`{$this->local->table}`.`{$this->local->key}`"; |
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$right = "`{$foreign}`.`{$this->foreign->key}`"; |
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|
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return "{$this->type} JOIN `{$foreign}` ON {$left} = {$right} {$this->parse_condition( $this->condition )}"; |
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} |
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|
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} |
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|
