Add vagrant machine, new test and travis-ci config
This commit is contained in:
Gamonoid
260
src/classes/Migration.php
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260
src/classes/Migration.php
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<?php
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abstract class AbstractMigration
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{
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protected $file;
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private $db;
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protected $lastError;
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public function __construct($file)
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{
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$this->file = $file;
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}
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public function up(){
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return true;
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}
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public function down(){
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return true;
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}
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protected function db(){
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if($this->db == null){
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$this->db = NewADOConnection('mysqli');
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$res = $this->db->Connect(APP_HOST, APP_USERNAME, APP_PASSWORD, APP_DB);
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}
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return $this->db;
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}
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public function getLastError(){
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return $this->lastError;
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}
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public function executeQuery($sql){
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$ret = $this->db()->Execute($sql);
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if(!$ret){
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$this->lastError = $this->db()->ErrorMsg();
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}
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return $ret;
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}
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/*
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public function up()
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{
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$sql = <<<'SQL'
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create table `Migrations` (
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`id` bigint(20) NOT NULL AUTO_INCREMENT,
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`file` varchar(300) NOT NULL,
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`version` int(11) NOT NULL,
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`created` DATETIME default '0000-00-00 00:00:00',
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`updated` DATETIME default '0000-00-00 00:00:00',
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`status` enum('Pending','Up','Down','UpError','DownError') default 'Pending',
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`last_error` varchar(500) NULL,
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primary key (`id`),
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unique key `KEY_Migrations_file` (`file`),
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index `KEY_Migrations_status` (`status`),
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index `KEY_Migrations_status` (`version`)
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) engine=innodb default charset=utf8;
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SQL;
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return $this->db()->Execute($sql);
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}
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public function down()
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{
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return $this->db()->Execute('DROP TABLE Migrations');
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}
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*/
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}
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class MigrationManager{
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private $migration_path;
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protected $db = null;
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public function __construct()
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{
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$this->migration_path = APP_BASE_PATH .'/db_migrations/';
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}
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public function setMigrationPath($migration_path){
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$this->migration_path = $migration_path;
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}
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public function getMigrationById($id){
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$migration = new Migration();
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$migration->Load("id = ?",array($id));
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return $migration;
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}
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public function getCurrentMigrations(){
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$migration = new Migration();
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return $migration->Find("1 = 1");
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}
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public function getPendingMigrations(){
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$migration = new Migration();
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return $migration->Find("status = ?",array('Pending'));
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}
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public function getFirstAddedMigration($statuses){
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$migration = new Migration();
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return $migration->Find("status in ('".implode("','",$statuses)."') order by created limit 1",array());
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}
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public function getLastRunMigration($statuses){
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$migration = new Migration();
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return $migration->Find("status in ('".implode("','",$statuses)."') order by updated desc limit 1",array());
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}
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public function queueMigrations(){
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$migrations = array();
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$ams = scandir($this->migration_path);
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foreach($ams as $am) {
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if (is_file($this->migration_path . $am)) {
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$migrations[$am] = $this->migration_path . $am;
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}
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}
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ksort($migrations);
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if(!empty($migrations)){
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$migrationsInDB = $this->getCurrentMigrations();
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$migrationsInDBKeyVal = array();
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foreach ($migrationsInDB as $migration){
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$migrationsInDBKeyVal[$migration->file] = $migration;
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}
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foreach($migrations as $file => $path){
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if(!isset($migrationsInDBKeyVal[$file])){
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if($file == 'list.php'){
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continue;
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}
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$migration = new Migration();
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$migration->file = $file;
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$parts = explode("_",$file);
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$migration->version = intval($parts[1]);
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$migration->created = date("Y-m-d H:i:s");
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$migration->updated = date("Y-m-d H:i:s");
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$migration->status = 'Pending';
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$migration->Save();
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}
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}
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}
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}
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public function runPendingMigrations(){
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$migrations = $this->getPendingMigrations();
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foreach ($migrations as $migration){
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$this->runMigrationUp($migration);
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}
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}
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public function runMigration($action){
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$method = 'runMigration'.ucfirst($action);
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if($action == 'up'){
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$statuses = array("Pending","Down");
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$queryMethod = 'getFirstAddedMigration';
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}else if($action == 'down'){
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$statuses = array("Up");
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$queryMethod = 'getLastRunMigration';
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}else{
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return false;
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}
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$migrations = $this->$queryMethod($statuses);
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if(count($migrations) > 0){
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$this->$method($migrations[0]);
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return $this->getMigrationById($migrations[0]->id);
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}else{
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$this->queueMigrations();
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$migrations = $this->$queryMethod($statuses);
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if(count($migrations) > 0){
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$this->$method($migrations[0]);
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return $this->getMigrationById($migrations[0]->id);
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}
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}
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return false;
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}
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public function runMigrationUp($migration){
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if($migration->status != 'Pending' && $migration->status != 'UpError' && $migration->status != 'Down'){
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return false;
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}
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$path = $this->migration_path . $migration->file;
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if(!file_exists($path)){
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return false;
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}
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$migrationName = str_replace('.php','',$migration->file);
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if(!class_exists($migrationName)){
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include $path;
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}
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$migClass = new $migrationName;
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$res = $migClass->up();
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if(!$res){
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$migration->last_error = $migClass->getLastError();
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$migration->status = "UpError";
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$migration->updated = date("Y-m-d H:i:s");
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$migration->Save();
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}
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$migration->status = "Up";
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$migration->updated = date("Y-m-d H:i:s");
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$migration->Save();
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return $migration;
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}
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public function runMigrationDown($migration){
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if($migration->status != 'Up' && $migration->status != 'UpError'){
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return false;
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}
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$path = $this->migration_path . $migration->file;
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if(!file_exists($path)){
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return false;
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}
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$migrationName = str_replace('.php','',$migration->file);
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if(!class_exists($migrationName)){
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include $path;
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}
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$migClass = new $migrationName;
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$res = $migClass->down();
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if(!$res){
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$migration->last_error = $migClass->getLastError();
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$migration->status = "DownError";
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$migration->updated = date("Y-m-d H:i:s");
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$migration->Save();
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}
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$migration->status = "Down";
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$migration->updated = date("Y-m-d H:i:s");
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$migration->Save();
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return $migration;
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}
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public function ensureMigrations(){
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$migration = new Migration();
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$migration->Load("1 = 1 order by id desc limit 1");
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include $this->migration_path . "list.php";
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if (count($migrationList) > 0 && (empty($migration->id) || $migrationList[0].".php" != $migration->file)) {
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LogManager::getInstance()->info("ensureMigrations - execute migrations");
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$this->queueMigrations();
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$this->runPendingMigrations();
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}
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}
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}
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