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<?php
/**
* IsisImporterBase: provides base ISIS import methods for importing data into
* a Symfony project.
*
* Importing can be done either on actions or tasks.
*/
class sfIsisImporterBase extends IsisConnector
{
/**
* @var string $loglevel Log level.
*/
var $loglevel = 'info';
/**
* @var int $processed Number of processed entries.
*/
var $processed = 0;
/**
* Constructor.
*/
public function __construct($loglevel = 'info')
{
parent::__construct();
$this->loglevel = $loglevel;
}
/**
* Create an ISIS configuration for a given database.
*
* @param string $database Database name
* @return array Basic configuration
*/
public function config($database)
{
// Default cinisis config file.
$config = $this->isis->file();
if (file_exists($config))
{
$this->log("Using Cinisis config file $config.");
$config = sfYaml::load($config);
}
else {
// Default configuration.
$this->log("Cinisis config file not found, building configuration.");
$config = array(
'implementation' => 'BiblioIsis',
);
}
$config['database'] = $database;
return $config;
}
/**
* List available ISIS databases.
*
* @return array Available databases
*/
public function databases()
{
$files = glob(sfConfig::get('sf_lib_dir') .'/cinisis/schemas/*.yaml');
foreach ($files as $file)
{
$databases[] = basename($file, '.yaml');
}
return $databases;
}
/**
* Log dispatcher.
*
* @param string $message Log message
* @param string $level Log level
*/
public function log($message, $level = 'info')
{
// Available log levels ordered by verbosity.
$levels = array_flip(array('fatal', 'info', 'warn', 'error', 'debug'));
// Log level checking.
if (array_search($level, $levels) === FALSE)
{
$this->log("Invalid log level $level.", 'error');
return;
}
elseif ($levels[$level] > $levels[$this->loglevel])
{
return;
}
// Dispatch.
if ($this->section == 'action')
{
$this->caller->logMessage($message, $level);
}
else
{
$this->caller->logSection('isisImporter', "[$level] $message");
}
}
/**
* Progress notifier.
*
* @param int $n Row number
*/
public function progress($n)
{
$this->processed = $n;
if ($this->section == 'action')
{
$this->caller->output .= "Saved item $n\n";
}
else
{
// Progress bar is just shown if loglevel is 'fatal'.
if ($this->loglevel == 'fatal')
{
$this->caller->progressBar($n, $this->entries);
}
}
}
/**
* Guess a method name from a type.
*
* @param string $type Mapping type
* @return string Method name
*/
static function methodName($type)
{
return 'import'. ucfirst($type);
}
/**
* Get the model foreign table id.
*
* @param object $model Model
* @return string Model table id
*/
static function getModelId($model) {
return sfInflector::underscore(get_class($model)) .'_id';
}
/**
* Get the relation foreign table id.
*
* @param string $model Relation name
* @return string Relation table id
*/
static function getRelationId($relation) {
return sfInflector::underscore($relation) .'_id';
}
/**
* Get the model and relation tablename.
*
* @param object $model Model
* @param string $model Relation name
* @return string Relation table name
*/
static function getModelRelation($model, $relation)
{
return sfInflector::camelize(self::getModelName($model)) . sfInflector::camelize($relation);
}
/**
* Get the entity name from a subfield.
*
* @param string $subfield Subfield name
* @return string Genre name
*/
static function entityName($subfield)
{
return ucfirst($subfield);
}
/**
* Get the model name.
*
* @param object $model Model
* @return string Model name
*/
static function getModelName($model)
{
return get_class($model);
}
/**
* After import procedure.
*/
public function afterImport() {
// Output ISIS log messages.
if (is_array($this->isis->db->log))
{
foreach ($this->isis->db->log as $log)
{
$this->log("[isis] $log");
}
}
$this->log("Finished mass import procedure.");
$this->log("Total entries processed: $this->processed.");
}
}
|
