/**
* insert the @input values when they do not exist yet
* @param string $table name
* @param array $input key->value pair, key has to be sanitized properly
* @throws \OC\HintException
* @return int count of inserted rows
*/
public function insertIfNotExist($table, $input)
{
$query = 'INSERT INTO `' . $table . '` (`' . implode('`,`', array_keys($input)) . '`) SELECT ' . str_repeat('?,', count($input) - 1) . '? ' . 'FROM `' . $table . '` WHERE ';
$inserts = array_values($input);
foreach ($input as $key => $value) {
$query .= '`' . $key . '`';
if (is_null($value)) {
$query .= ' IS NULL AND ';
} else {
$inserts[] = $value;
$query .= ' = ? AND ';
}
}
$query = substr($query, 0, strlen($query) - 5);
$query .= ' HAVING COUNT(*) = 0';
try {
return $this->conn->executeUpdate($query, $inserts);
} catch (\Doctrine\DBAL\DBALException $e) {
$entry = 'DB Error: "' . $e->getMessage() . '"<br />';
$entry .= 'Offending command was: ' . $query . '<br />';
\OC_Log::write('core', $entry, \OC_Log::FATAL);
$l = \OC::$server->getL10N('lib');
throw new \OC\HintException($l->t('Database Error'), $l->t('Please contact your system administrator.'), 0, $e);
}
}
/**
* insert the @input values when they do not exist yet
* @param string $table name
* @param array $input key->value pairs
* @return int count of inserted rows
*/
public function insertIfNotExist($table, $input)
{
$query = 'INSERT INTO `' . $table . '` (`' . implode('`,`', array_keys($input)) . '`) SELECT ' . str_repeat('?,', count($input) - 1) . '? ' . 'FROM `' . $table . '` WHERE ';
$inserts = array_values($input);
foreach ($input as $key => $value) {
$query .= '`' . $key . '`';
if (is_null($value)) {
$query .= ' IS NULL AND ';
} else {
$inserts[] = $value;
$query .= ' = ? AND ';
}
}
$query = substr($query, 0, strlen($query) - 5);
$query .= ' HAVING COUNT(*) = 0';
try {
return $this->conn->executeUpdate($query, $inserts);
} catch (\Doctrine\DBAL\DBALException $e) {
$entry = 'DB Error: "' . $e->getMessage() . '"<br />';
$entry .= 'Offending command was: ' . $query . '<br />';
\OC_Log::write('core', $entry, \OC_Log::FATAL);
error_log('DB error: ' . $entry);
\OC_Template::printErrorPage($entry);
}
}
/**
* @param \OC\DB\Connection $connection
*/
private function createDatabase($connection)
{
try {
$name = $this->dbName;
$user = $this->dbUser;
//we cant use OC_BD functions here because we need to connect as the administrative user.
$query = "CREATE DATABASE IF NOT EXISTS `{$name}` CHARACTER SET utf8 COLLATE utf8_bin;";
$connection->executeUpdate($query);
//this query will fail if there aren't the right permissions, ignore the error
$query = "GRANT ALL PRIVILEGES ON `{$name}` . * TO '{$user}'";
$connection->executeUpdate($query);
} catch (\Exception $ex) {
$this->logger->error('Database creation failed: {error}', ['app' => 'mysql.setup', 'error' => $ex->getMessage()]);
}
}
/**
* Insert a row if the matching row does not exists.
*
* @param string $table The table name (will replace *PREFIX* with the actual prefix)
* @param array $input data that should be inserted into the table (column name => value)
* @param array|null $compare List of values that should be checked for "if not exists"
* If this is null or an empty array, all keys of $input will be compared
* Please note: text fields (clob) must not be used in the compare array
* @return int number of inserted rows
* @throws \Doctrine\DBAL\DBALException
*/
public function insertIfNotExist($table, $input, array $compare = null)
{
if (empty($compare)) {
$compare = array_keys($input);
}
$query = 'INSERT INTO `' . $table . '` (`' . implode('`,`', array_keys($input)) . '`) SELECT ' . str_repeat('?,', count($input) - 1) . '? ' . 'FROM `' . $table . '` WHERE ';
$inserts = array_values($input);
foreach ($compare as $key) {
$query .= '`' . $key . '`';
if (is_null($input[$key])) {
$query .= ' IS NULL AND ';
} else {
$inserts[] = $input[$key];
$query .= ' = ? AND ';
}
}
$query = substr($query, 0, strlen($query) - 5);
$query .= ' HAVING COUNT(*) = 0';
return $this->conn->executeUpdate($query, $inserts);
}
/**
* sets a value in the preferences
* @param string $user user
* @param string $app app
* @param string $key key
* @param string $value value
* @param string $preCondition only set value if the key had a specific value before
* @return bool true if value was set, otherwise false
*
* Adds a value to the preferences. If the key did not exist before, it
* will be added automagically.
*/
public function setValue($user, $app, $key, $value, $preCondition = null)
{
// Check if the key does exist
$query = 'SELECT `configvalue` FROM `*PREFIX*preferences`' . ' WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?';
$oldValue = $this->conn->fetchColumn($query, array($user, $app, $key));
$exists = $oldValue !== false;
if ($oldValue === strval($value)) {
// no changes
return true;
}
$affectedRows = 0;
if (!$exists && $preCondition === null) {
$data = array('userid' => $user, 'appid' => $app, 'configkey' => $key, 'configvalue' => $value);
$affectedRows = $this->conn->insert('*PREFIX*preferences', $data);
} elseif ($exists) {
$data = array($value, $user, $app, $key);
$sql = "UPDATE `*PREFIX*preferences` SET `configvalue` = ?" . " WHERE `userid` = ? AND `appid` = ? AND `configkey` = ?";
if ($preCondition !== null) {
if (\OC_Config::getValue('dbtype', 'sqlite') === 'oci') {
//oracle hack: need to explicitly cast CLOB to CHAR for comparison
$sql .= " AND to_char(`configvalue`) = ?";
} else {
$sql .= " AND `configvalue` = ?";
}
$data[] = $preCondition;
}
$affectedRows = $this->conn->executeUpdate($sql, $data);
}
// only add to the cache if we already loaded data for the user
if ($affectedRows > 0 && isset($this->cache[$user])) {
if (!isset($this->cache[$user][$app])) {
$this->cache[$user][$app] = array();
}
$this->cache[$user][$app][$key] = $value;
}
return $affectedRows > 0 ? true : false;
}
