/**
* Checks the "data/new" folder for new SQL files. If it finds some (and
* they're being committed), it moves them to the appropriate folder and
* makes a git commit automatically.
*
*/
protected function createDatabaseDelta()
{
$database_dir = $this->getDatabaseDirectory();
//open the application build sequence for writing
if (!$this->calledFromPlugin()) {
$xml_build_sequence = $this->getApplicationBuildSequence();
} else {
$xml_build_sequence = $this->getAltumoBuildSequence();
}
//creates a new application "database build" if there is a delta
//get the last commit hash
$last_commit_hash = \Altumo\Git\History::getLastCommitHash();
//check to see if there are any new scripts in the "new" folder
$sql_files = $this->getFilesToMove($last_commit_hash);
if (empty($sql_files)) {
//no sql files to move
return;
}
//move the files to the appropriate place and auto-commit
$move_commands = array();
$has_snapshot = false;
$has_drop = false;
$has_upgrade = false;
$has_data_update = false;
foreach ($sql_files as $sql_file) {
//detach the extension */
if (preg_match('%^(.*/)(.*?)(\\.(sql|php))?$%im', $sql_file, $regs)) {
$file_path = $regs[1];
$file_stub = $regs[2];
$file_extension = $regs[3];
$file_base_name = $file_stub . $file_extension;
} else {
throw new \sfCommandException(sprintf('Cannot find file with extension for "%s".', $sql_file));
}
//assemble the new filename
switch ($file_base_name) {
case 'drop.sql':
$new_filename = $database_dir . '/drops/' . $file_stub . '_' . $last_commit_hash . $file_extension;
$has_drop = true;
break;
case 'upgrade_script.sql':
$new_filename = $database_dir . '/upgrade_scripts/' . $file_stub . '_' . $last_commit_hash . $file_extension;
$has_upgrade = true;
break;
case 'data_update.php':
$new_filename = $database_dir . '/data_updates/' . $file_stub . '_' . $last_commit_hash . $file_extension;
$has_data_update = true;
break;
case 'snapshot.sql':
$new_filename = $database_dir . '/snapshots/' . $file_stub . '_' . $last_commit_hash . $file_extension;
$has_snapshot = true;
break;
default:
throw new \sfCommandException(sprintf('Error: unknown filetype (%s).', $file_base_name));
}
//move the file and add it to the git repository
$move_commands[] = 'git mv ' . $sql_file . ' ' . $new_filename;
}
//this is in a separate loop so there are no moves executed if one
//of the files fails to validate
foreach ($move_commands as $move_command) {
`{$move_command}`;
}
//update the build sequence log
$xml_build_sequence->addChange($last_commit_hash, $has_upgrade, $has_data_update, $has_drop, $has_snapshot);
$xml_build_sequence->writeToFile();
$build_sequence_filename = $xml_build_sequence->getFilename();
$shell_command = "git add {$build_sequence_filename}";
`{$shell_command}`;
//commit the files
$shell_command = 'git commit -m "Autocommit: moving sql files to appropriate locations for commit ' . $last_commit_hash . '"';
`{$shell_command}`;
}
/**
* Applies a data update
*
* A data update can perform operations at the application level. They have
* access to the same functionallity the application does. Data updates can
* be used to modify data at the ORM level, or perform other operations
* conveniently from code.
*
* @param string $hash //the commit hash of the delta
*
* @throws \Exception
* // if the hash for the commit where the data update file was added cannot be found.
*/
protected function applyDataUpdate($hash)
{
// Remember the current position of the working tree.
$current_position = \Altumo\Git\Status::getCurrentBranch();
// Get the hash where the file was auto-moved to its folder by the build system
$autocommit_hash = \Altumo\Git\History::getCommitsAfterMatching("^Autocommit\\:\\smoving.*" . $hash, $hash);
if (count($autocommit_hash) != 1) {
throw new \Exception('Unable to find an Autocommit for hash \\"' . $hash . '\\"');
}
$autocommit_hash = reset(array_keys($autocommit_hash));
// remember current pwd
$old_pwd = getcwd();
// Get working tree root path
$root_path = realpath(\sfConfig::get('sf_root_dir') . '/../../');
// Go to the commit where the data_update script was auto-committed
\Altumo\Git\WorkingTree::checkout($autocommit_hash);
// Update submodules
chdir($root_path);
\Altumo\Git\WorkingTree::updateSubmodulesRecursively();
//determine the php script filename and ensure the file exists
$php_filename = $this->getDatabaseUpdaterConfigurationFile()->getDatabaseDirectory() . '/data_updates/' . 'data_update_' . $hash . '.php';
if (!file_exists($php_filename)) {
throw new \Exception('Script File "' . $php_filename . '" does not exist.');
}
// Call the altumo:apply-data-update in a separate process
$project_path = realpath(\sfConfig::get('sf_root_dir'));
chdir($project_path);
$command = "./symfony altumo:apply-data-update {$hash}";
// execute command
\Altumo\Utils\Shell::runWithPipedOutput($command);
// return the tree to where it was before.
\Altumo\Git\WorkingTree::checkout($current_position);
// Update submodules
chdir($root_path);
\Altumo\Git\WorkingTree::updateSubmodulesRecursively();
chdir($old_pwd);
$this->getDatabaseUpdateLogFile()->addDataUpdate($hash);
}
