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<?php |
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/** |
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* Copyright (c) 2014, Tobia De Koninck hey--at--ledfan.be |
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* This file is licensed under the AGPL version 3 or later. |
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* See the COPYING file. |
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*/ |
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namespace OCA\Chat\OCH\Db; |
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use \OCP\AppFramework\Db\Mapper; |
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use \OCP\IDb; |
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use \OCA\Chat\Db\DoesNotExistException; |
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class ConversationMapper extends Mapper { |
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public function __construct(IDb $api) { |
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parent::__construct($api, 'chat_och_conversations'); // tablename is news_feeds |
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} |
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public function deleteConversation($conversationID){ |
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$sql = 'DELETE FROM `' . $this->getTableName() . '` WHERE `conversation_id` = ? '; |
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$this->execute($sql, array($conversationID)); |
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} |
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public function findByConversationId($conversationID){ |
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$sql = 'SELECT * FROM `' . $this->getTableName() . '` ' . 'WHERE `conversation_id` = ?'; |
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return $this->findEntity($sql, array($conversationID)); |
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} |
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public function existsByConvId($id){ |
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$sql = 'SELECT `conversation_id` FROM `' . $this->getTableName() . '` ' . 'WHERE `conversation_id` = ?'; |
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$result = $this->execute($sql, array($id)); |
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if(count($result->fetchAll()) === 1){ |
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return true; |
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} else { |
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return false; |
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} |
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} |
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public function existsByUsers($users){ |
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$usersCount = count($users); |
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$sql = <<<SQL |
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SELECT |
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DISTINCT c1.conversation_id AS conv_id |
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FROM |
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*PREFIX*chat_och_users_in_conversation c1 |
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WHERE EXISTS ( |
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SELECT |
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1 |
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FROM |
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*PREFIX*chat_och_users_in_conversation c2 |
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WHERE |
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c1.conversation_id = c2.conversation_id |
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AND |
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c2.user = ? |
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) |
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SQL; |
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for($i = 0; $i < ($usersCount -1); $i++){ |
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$sql .= <<<SQL |
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AND EXISTS ( |
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SELECT |
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1 |
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FROM |
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*PREFIX*chat_och_users_in_conversation c2 |
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WHERE |
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c1.conversation_id = c2.conversation_id |
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AND |
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c2.user = ? |
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) |
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SQL; |
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} |
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$sql .= <<<SQL |
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AND NOT EXISTS ( |
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SELECT |
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1 |
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FROM |
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*PREFIX*chat_och_users_in_conversation c2 |
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WHERE |
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c1.conversation_id = c2.conversation_id |
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AND |
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c2.user NOT IN ( |
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SQL; |
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foreach($users as $key=>$user){ |
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if($key === $usersCount-1){ |
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$sql .= " ?"; |
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} else { |
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$sql .= " ?,"; |
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} |
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} |
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$sql .= <<<SQL |
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) |
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) |
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SQL; |
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$params = array(); |
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foreach($users as $user){ |
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$params[] = $user; |
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} |
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foreach($users as $user){ |
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$params[] = $user; |
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} |
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try{ |
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$result = $this->execute($sql, $params); |
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$row = $result->fetch(); |
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return $row; |
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} catch (DoesNotExistException $exception) { |
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return false; |
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} |
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} |
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} |
owncloud /
chat
