1: <?php
  2: /*
  3:  * The MIT License
  4:  *
  5:  * Copyright 2017 David Schoenbauer.
  6:  *
  7:  * Permission is hereby granted, free of charge, to any person obtaining a copy
  8:  * of this software and associated documentation files (the "Software"), to deal
  9:  * in the Software without restriction, including without limitation the rights
 10:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 11:  * copies of the Software, and to permit persons to whom the Software is
 12:  * furnished to do so, subject to the following conditions:
 13:  *
 14:  * The above copyright notice and this permission notice shall be included in
 15:  * all copies or substantial portions of the Software.
 16:  *
 17:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 18:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 19:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 20:  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 21:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 22:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 23:  * THE SOFTWARE.
 24:  */
 25: namespace DSchoenbauer\Orm\Events\Persistence;
 26: 
 27: use DSchoenbauer\Orm\Events\AbstractEvent;
 28: use DSchoenbauer\Orm\Model;
 29: use DSchoenbauer\Sql\Command\Select;
 30: use DSchoenbauer\Sql\Where\ArrayWhere;
 31: use PDO;
 32: use Zend\EventManager\Event;
 33: 
 34: /**
 35:  * Event driven hook to select information from a PDO connection
 36:  *
 37:  * @author David Schoenbauer
 38:  */
 39: class PdoSelect extends AbstractEvent
 40: {
 41: 
 42:     private $adapter;
 43:     private $select;
 44: 
 45:     /**
 46:      * @param array $events An array of event names to bind to
 47:      * @param PDO $adapter
 48:      * @param Select $select
 49:      */
 50:     public function __construct(array $events, \PDO $adapter, Select $select = null)
 51:     {
 52:         parent::__construct($events);
 53:         $this->setAdapter($adapter)
 54:             ->setSelect($select);
 55:     }
 56: 
 57:     /**
 58:      * event action
 59:      * @param Event $event object passed when event is fired
 60:      * @return void
 61:      * @since v1.0.0
 62:      */
 63:     public function onExecute(Event $event)
 64:     {
 65:         if (!$event->getTarget() instanceof Model) {
 66:             return; //Nothing to do with this event
 67:         }
 68:         /* @var $model Model */
 69:         $model = $event->getTarget();
 70:         $entity = $model->getEntity();
 71:         $model->setData(
 72:             $this->getSelect()
 73:                 ->setTable($entity->getTable())
 74:                 ->setFields($entity->getAllFields())
 75:                 ->setWhere(new ArrayWhere([$entity->getIdField() => $model->getId()]))->setFetchFlat()
 76:                 ->execute($this->getAdapter())
 77:         );
 78:     }
 79: 
 80:     /**
 81:      * Returns a PHP Data Object
 82:      * @return PDO
 83:      * @since v1.0.0
 84:      */
 85:     public function getAdapter()
 86:     {
 87:         return $this->adapter;
 88:     }
 89: 
 90:     /**
 91:      * PDO connection to a db of some sort.
 92:      * @param PDO $adapter
 93:      * @return $this
 94:      * @since v1.0.0
 95:      */
 96:     public function setAdapter(PDO $adapter)
 97:     {
 98:         $this->adapter = $adapter;
 99:         return $this;
100:     }
101: 
102:     /**
103:      * object with logic for the Select. If Select is not provided one will be lazy loaded
104:      * @return Select
105:      * @since v1.0.0
106:      */
107:     public function getSelect()
108:     {
109:         if (!$this->select instanceof Select) {
110:             $this->select = new Select("");
111:         }
112:         return $this->select;
113:     }
114: 
115:     /**
116:      * Object that contains the select logic
117:      * @param Select $select
118:      * @return $this
119:      * @since v1.0.0
120:      */
121:     public function setSelect(Select $select = null)
122:     {
123:         $this->select = $select;
124:         return $this;
125:     }
126: }
127: