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<?php
require_once(__DIR__ . '/BridgeConf.php');
class Bridge {
protected $db;
public function __construct($db = FALSE) {
$this->db = $db ? $db :
new PDO('mysql:host=' . DB_HOST . ';dbname=' . DB, DB_USER, DB_PASS);
$this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
public function getPostId($messageId) {
$sql = 'SELECT post_id FROM posts ' .
'WHERE message_id = ' . $this->db->quote($messageId);
$row = $this->get_exactly_one_row($sql);
return $row['post_id'];
}
public function getMessageId($postId) {
$sql = 'SELECT message_id FROM posts ' .
'WHERE post_id = ' . $this->db->quote($postId);
$row = $this->get_exactly_one_row($sql);
return $row['message_id'];
}
public function setPostId($messageId, $postId) {
if ($messageId === null) {
trigger_error('message id is null', E_USER_ERROR);
}
if ($postId === null) {
trigger_error('post id is null', E_USER_ERROR);
}
$sql = 'UPDATE posts SET ' .
'post_id = ' . $postId . ' ' .
'WHERE message_id = ' . $this->db->quote($messageId);
$count = $this->db->exec($sql);
if ($count != 1) {
trigger_error(
'Failed to set post id: ' . $messageId, E_USER_ERROR
);
}
}
public function getDefaultForumId($list) {
$sql = 'SELECT forum_id FROM forums ' .
'WHERE list_name = ' . $this->db->quote($list);
$row = $this->get_exactly_one_row($sql);
return $row['forum_id'];
}
public function registerMessage($messageId, $inReplyTo, $refs) {
if ($messageId === null) {
trigger_error('message id is null', E_USER_ERROR);
}
$sql = 'INSERT IGNORE INTO posts ' .
'(message_id, in_reply_to, refs) ' .
'VALUES (' . $this->db->quote($messageId) . ', '
. $this->db->quote($inReplyTo) . ', '
. $this->db->quote($refs) . ')';
$count = $this->db->exec($sql);
return $count == 1;
}
protected function get_exactly_one_row($sql) {
$result = $this->db->query($sql);
$rows = $result->fetchAll(PDO::FETCH_ASSOC);
$result->closeCursor();
switch (count($rows)) {
case 0:
trigger_error("No rows returned: $sql", E_USER_ERROR);
break;
case 1:
return $rows[0];
default:
trigger_error("Too many rows returned: $sql", E_USER_ERROR);
break;
}
}
}
?>
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