76 sor
No EOL
1,7 KiB
PHP
76 sor
No EOL
1,7 KiB
PHP
<?php
|
|
class DbUpdater {
|
|
|
|
private $pdo;
|
|
private $db_type;
|
|
private $need_version;
|
|
|
|
function __construct($pdo, $db_type, $need_version) {
|
|
$this->pdo = Db::pdo(); //$pdo;
|
|
$this->db_type = $db_type;
|
|
$this->need_version = (int) $need_version;
|
|
}
|
|
|
|
function getSchemaVersion() {
|
|
$row = $this->pdo->query("SELECT schema_version FROM ttrss_version")->fetch();
|
|
return (int) $row['schema_version'];
|
|
}
|
|
|
|
function isUpdateRequired() {
|
|
return $this->getSchemaVersion() < $this->need_version;
|
|
}
|
|
|
|
function getSchemaLines($version) {
|
|
$filename = "schema/versions/".$this->db_type."/$version.sql";
|
|
|
|
if (file_exists($filename)) {
|
|
return explode(";", preg_replace("/[\r\n]/", "", file_get_contents($filename)));
|
|
} else {
|
|
user_error("DB Updater: schema file for version $version is not found.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function performUpdateTo($version, $html_output = true) {
|
|
if ($this->getSchemaVersion() == $version - 1) {
|
|
|
|
$lines = $this->getSchemaLines($version);
|
|
|
|
if (is_array($lines)) {
|
|
|
|
$this->pdo->beginTransaction();
|
|
|
|
foreach ($lines as $line) {
|
|
if (strpos($line, "--") !== 0 && $line) {
|
|
if (!$this->pdo->query($line)) {
|
|
if ($html_output) {
|
|
print_notice("Query: $line");
|
|
print_error("Error: " . implode(", ", $this->pdo->errorInfo()));
|
|
} else {
|
|
_debug("Query: $line");
|
|
_debug("Error: " . implode(", ", $this->pdo->errorInfo()));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
$db_version = $this->getSchemaVersion();
|
|
|
|
if ($db_version == $version) {
|
|
$this->pdo->commit();
|
|
return true;
|
|
} else {
|
|
$this->pdo->rollBack();
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
} |