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<?php
/**
* IsisImporter: provides ISIS import methods for importing 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 $n Row number
*/
public function progress($n)
{
$this->processed = $this->logger->progress($n);
}
/**
* 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()
{
foreach (glob(sfConfig::get('sf_lib_dir') ."/cinisis/schemas/*.yaml") as $file)
{
$databases[] = basename($file, '.yaml');
}
return $databases;
}
/**
* After import procedure.
*/
public function afterImport() {
// Output ISIS log messages.
if (is_array($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.");
}
/**
* 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)
{
// We hold arguments for logging purposes.
$this->caller = $caller;
$this->section = $section;
$this->logger->caller = $caller;
$this->logger->section = $section;
foreach ($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 config '. $database .'.');
$base_model = $importer->format['db']['base_model'];
$this->entries = ($entries != NULL && $entries <= $importer->entries) ? $entries : $importer->entries;
if ($base_model) {
for ($entry = 1; $entry <= $this->entries; $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)
{
$class = 'IsisImporter'. ucfirst($database);
if (class_exists($class))
{
return new $class($this->config($database));
}
return false;
}
}
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