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<?php
/**
* Manager class for importing ISIS data into a Symfony project.
* Importing can be done either on actions or tasks.
*/
class sfIsisImporterManager 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();
// Get a logger instance.
$this->logger = sfIsisImporterLog::getInstance($loglevel);
}
/**
* Log dispatcher.
*
* @param string $message Log message
* @param string $level Log level
*/
public function log($message, $level = 'info')
{
$this->logger->log($message, $level);
}
/**
* Progress notifier dispatcher.
*
* @param int $entry Entry number
*/
public function progress($entry)
{
$this->processed = $this->logger->progress($entry, $this->entries);
}
/**
* 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()
{
$databases = array();
foreach (glob(sfConfig::get('sf_lib_dir') ."/cinisis/schemas/*.yaml") as $file)
{
$database = basename($file, '.yaml');
$options = sfYaml::load($file);
if (isset($options['import']['order']))
{
$databases[$options['import']['order']] = $database;
}
else
{
$this->log("Database config $database has no order option, skipping.");
}
}
ksort($databases);
return $databases;
}
/**
* Show database information.
*
* @param mixed $databases Optional database names
*/
public function info($caller, $section = 'info', $databases = null)
{
// Additional logging settings.
$this->logger->setCaller($caller);
$this->logger->setSection($section);
if ($databases == null)
{
$databases = $this->databases();
}
elseif (!is_array($databases))
{
$databases = array($databases);
}
foreach ($databases as $database)
{
// Open database.
$importer = $this->newImporter($database);
if ($importer)
{
$this->log("Database $database: ". $importer->isis->entries .' rows.');
}
}
}
/**
* After import procedure.
*/
public function afterImport() {
// Output ISIS log messages.
if (is_array($this->isis->db->log))
{
foreach ($this->isis->db->log as $log)
{
$this->log("[isis] $log");
}
}
$this->log("Finished mass import procedure.", 'notice');
$this->log("Total entries processed: $this->processed.", 'notice');
}
/**
* Execute a mass import of ISIS database entries. This function reads
* each database entry and dispatch each field read to a custom
* dispatch function.
*
* @param object $caller Caller object
* @param string $section Caller section (whether an action or task)
* @param int $entries Number of entries to import (defaults to all)
*/
public function massImport($caller, $section, $entries = null, $offset = 0)
{
// Additional logging settings.
$this->logger->setCaller($caller);
$this->logger->setSection($section);
foreach ($this->databases() as $database)
{
// Open database.
$importer = $this->newImporter($database);
if ($importer)
{
// Determine base model and max entries.
$this->log('Starting mass import procedure for database schema "'. $database .'".', 'notice');
$base_model = $importer->isis->format['import']['base_model'];
$this->max = ($entries != NULL && $entries + $offset <= $importer->isis->entries) ? $entries + $offset : $importer->isis->entries;
if ($base_model)
{
for ($entry = $offset + 1; $entry <= $this->max; $entry++)
{
$importer->addEntry($base_model, $entry);
$this->progress($entry);
}
}
$this->afterImport();
}
}
}
/**
* Setup a new importer.
*
* @param string $database Database name
* @return mixed Importer object or false
*/
public function newImporter($database)
{
$class = 'IsisImporterDb'. ucfirst($database);
if (class_exists($class))
{
return new $class($this->config($database));
}
return false;
}
}
|
