Proyectos de Subversion LeadersLinked - Antes de SPA

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<?php
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declare(strict_types=1);
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namespace LeadersLinked\Mapper;
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use Laminas\Db\Adapter\AdapterInterface;
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Use LeadersLinked\Hydrator\ObjectPropertyHydrator;
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use LeadersLinked\Mapper\Common\MapperCommon;
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use LeadersLinked\Model\Conversation;
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class ConversationMapper extends MapperCommon
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{
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    const _TABLE = 'tbl_conversations';
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    /**
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     *
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     * @var ConversationMapper
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     */
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    private static $_instance;
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    /**
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     *
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     * @param AdapterInterface $adapter
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     */
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    private function __construct($adapter)
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    {
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        parent::__construct($adapter);
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    }
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    /**
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     *
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     * @param AdapterInterface $adapter
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     * @return ConversationMapper
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     */
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    public static function getInstance($adapter)
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    {
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        if(self::$_instance == null) {
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            self::$_instance = new ConversationMapper($adapter);
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        }
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        return self::$_instance;
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    }
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    /**
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     *
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     * @param int $id
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     * @return Conversation
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     */
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    public function fetchOne($id)
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    {
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        $select = $this->sql->select(self::_TABLE);
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        $select->where->equalTo('id', $id);
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        $prototype = new Conversation();
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        return $this->executeFetchOneObject($select, $prototype);
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    }
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    /**
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     * @param int $user1
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     * @param int $user2
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     * @return Conversation
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     */
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    public function fetchOneByUserId1AndUserId2($user1, $user2)
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    {
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        $prototype = new Conversation();
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        $select = $this->sql->select(self::_TABLE);
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        $select->where->and->nest()
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        ->nest()
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        ->equalTo('sender_id', $user1)
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        ->and->equalTo('receiver_id', $user2)
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        ->unnest()
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        ->or->nest()
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        ->equalTo('receiver_id', $user1)
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        ->and->equalTo('sender_id', $user2)
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        ->unnest()
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        ->unnest();
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        return $this->executeFetchOneObject($select, $prototype);
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    }
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    /**
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     *
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     * @param int $user_id
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     * @return Conversation[]
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     */
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    public function fetchAllByUserId($user_id)
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    {
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        $prototype = new Conversation();
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        $select = $this->sql->select(self::_TABLE);
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        $select->where->and->nest()
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        ->nest()
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        ->equalTo('sender_id', $user_id)
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        ->and->equalTo('sender_status', Conversation::STATUS_NORMAL)
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        ->unnest()
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        ->or->nest()
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        ->equalTo('receiver_id', $user_id)
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        ->and->equalTo('receiver_status', Conversation::STATUS_NORMAL)
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        ->unnest()
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        ->unnest();
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        return $this->executeFetchAllObject($select, $prototype);
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    }
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    /**
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     *
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     * @param Conversation $conversation
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     * @return boolean
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     */
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    public function insert($conversation)
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    {
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        $hydrator = new ObjectPropertyHydrator();
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        $values = $hydrator->extract($conversation);
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        $values = $this->removeEmpty($values);
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        $insert = $this->sql->insert(self::_TABLE);
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        $insert->values($values);
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        $response = $this->executeInsert($insert);
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        if($response) {
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            $conversation->id = $this->lastInsertId;
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        }
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        return $response;
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    }
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    /**
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     *
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     * @param Conversation $conversation
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     * @return boolean
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     */
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    public function update($conversation)
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    {
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        $hydrator = new ObjectPropertyHydrator();
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        $values = $hydrator->extract($conversation);
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        $values = $this->removeEmpty($values);
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        $update = $this->sql->update(self::_TABLE);
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        $update->set($values);
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        $update->where->equalTo('id', $conversation->id);
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        return $this->executeUpdate($update);
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    }
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}