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<?php
/**
* This class is used to test database is well-constructed.
*/
class FreshRSS_DatabaseDAO extends Minz_ModelPdo {
//MySQL error codes
const ER_BAD_FIELD_ERROR = '42S22';
const ER_BAD_TABLE_ERROR = '42S02';
const ER_TRUNCATED_WRONG_VALUE_FOR_FIELD = '1366';
//MySQL InnoDB maximum index length for UTF8MB4
//https://dev.mysql.com/doc/refman/8.0/en/innodb-restrictions.html
const LENGTH_INDEX_UNICODE = 191;
public function tablesAreCorrect() {
$sql = 'SHOW TABLES';
$stm = $this->bd->prepare($sql);
$stm->execute();
$res = $stm->fetchAll(PDO::FETCH_ASSOC);
$tables = array(
$this->prefix . 'category' => false,
$this->prefix . 'feed' => false,
$this->prefix . 'entry' => false,
$this->prefix . 'entrytmp' => false,
$this->prefix . 'tag' => false,
$this->prefix . 'entrytag' => false,
);
foreach ($res as $value) {
$tables[array_pop($value)] = true;
}
return count(array_keys($tables, true, true)) == count($tables);
}
public function getSchema($table) {
$sql = 'DESC ' . $this->prefix . $table;
$stm = $this->bd->prepare($sql);
$stm->execute();
return $this->listDaoToSchema($stm->fetchAll(PDO::FETCH_ASSOC));
}
public function checkTable($table, $schema) {
$columns = $this->getSchema($table);
$ok = (count($columns) == count($schema));
foreach ($columns as $c) {
$ok &= in_array($c['name'], $schema);
}
return $ok;
}
public function categoryIsCorrect() {
return $this->checkTable('category', array(
'id', 'name',
));
}
public function feedIsCorrect() {
return $this->checkTable('feed', array(
'id', 'url', 'category', 'name', 'website', 'description', 'lastUpdate',
'priority', 'pathEntries', 'httpAuth', 'error', 'keep_history', 'ttl', 'attributes',
'cache_nbEntries', 'cache_nbUnreads',
));
}
public function entryIsCorrect() {
return $this->checkTable('entry', array(
'id', 'guid', 'title', 'author', 'content_bin', 'link', 'date', 'lastSeen', 'hash', 'is_read',
'is_favorite', 'id_feed', 'tags',
));
}
public function entrytmpIsCorrect() {
return $this->checkTable('entrytmp', array(
'id', 'guid', 'title', 'author', 'content_bin', 'link', 'date', 'lastSeen', 'hash', 'is_read',
'is_favorite', 'id_feed', 'tags',
));
}
public function tagIsCorrect() {
return $this->checkTable('tag', array(
'id', 'name', 'attributes',
));
}
public function entrytagIsCorrect() {
return $this->checkTable('entrytag', array(
'id_tag', 'id_entry',
));
}
public function daoToSchema($dao) {
return array(
'name' => $dao['Field'],
'type' => strtolower($dao['Type']),
'notnull' => (bool)$dao['Null'],
'default' => $dao['Default'],
);
}
public function listDaoToSchema($listDAO) {
$list = array();
foreach ($listDAO as $dao) {
$list[] = $this->daoToSchema($dao);
}
return $list;
}
public function size($all = false) {
$db = FreshRSS_Context::$system_conf->db;
$sql = 'SELECT SUM(data_length + index_length) FROM information_schema.TABLES WHERE table_schema=?'; //MySQL
$values = array($db['base']);
if (!$all) {
$sql .= ' AND table_name LIKE ?';
$values[] = $this->prefix . '%';
}
$stm = $this->bd->prepare($sql);
$stm->execute($values);
$res = $stm->fetchAll(PDO::FETCH_COLUMN, 0);
return $res[0];
}
public function optimize() {
$ok = true;
$tables = array('category', 'feed', 'entry', 'entrytmp', 'tag', 'entrytag');
foreach ($tables as $table) {
$sql = 'OPTIMIZE TABLE `' . $this->prefix . $table . '`'; //MySQL
$stm = $this->bd->prepare($sql);
$ok &= $stm != false;
if ($stm) {
$ok &= $stm->execute();
}
}
return $ok;
}
public function ensureCaseInsensitiveGuids() {
$ok = true;
$db = FreshRSS_Context::$system_conf->db;
if ($db['type'] === 'mysql') {
include_once(APP_PATH . '/SQL/install.sql.mysql.php');
if (defined('SQL_UPDATE_GUID_LATIN1_BIN')) { //FreshRSS 1.12
try {
$sql = sprintf(SQL_UPDATE_GUID_LATIN1_BIN, $this->prefix);
$stm = $this->bd->prepare($sql);
$ok = $stm->execute();
} catch (Exception $e) {
$ok = false;
Minz_Log::error('FreshRSS_DatabaseDAO::ensureCaseInsensitiveGuids error: ' . $e->getMessage());
}
}
}
return $ok;
}
}
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