phpvms/modules/Importer/Services/BaseImporter.php
2020-01-10 09:41:32 -05:00

136 lines
3.1 KiB
PHP

<?php
namespace Modules\Importer\Services;
use App\Services\Installer\LoggerTrait;
use Carbon\Carbon;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Modules\Importer\Utils\IdMapper;
use Modules\Importer\Utils\ImporterDB;
abstract class BaseImporter implements ShouldQueue
{
use LoggerTrait;
use Dispatchable;
use InteractsWithQueue;
use Queueable;
/**
* Holds the connection to the legacy database
*
* @var \Modules\Importer\Utils\ImporterDB
*/
protected $db;
/**
* The mapper class used for old IDs to new IDs
*
* @var \Illuminate\Contracts\Foundation\Application|mixed
*/
protected $idMapper;
/**
* The legacy table this importer targets
*
* @var string
*/
protected $table;
public function __construct()
{
$importerService = app(ImporterService::class);
$this->db = new ImporterDB($importerService->getCredentials());
$this->idMapper = app(IdMapper::class);
}
/**
* The start method. Takes the offset to start from
*
* @param int $start
*
* @return mixed
*/
abstract public function run($start = 0);
/**
* Return a manifest of the import tasks to run. Returns an array of objects,
* which contain a start and end row
*
* @return array
*/
public function getManifest(): array
{
$manifest = [];
$start = 0;
$total_rows = $this->db->getTotalRows($this->table);
do {
$end = $start + $this->db->batchSize;
if ($end > $total_rows) {
$end = $total_rows;
}
$idx = $start + 1;
$manifest[] = [
'importer' => get_class($this),
'start' => $start,
'end' => $end,
'message' => 'Importing '.$this->table.' ('.$idx.' - '.$end.' of '.$total_rows.')',
];
$start += $this->db->batchSize;
} while ($start < $total_rows);
return $manifest;
}
/**
* Determine what columns exist, can be used for feature testing between v2/v5
*
* @return array
*/
public function getColumns(): array
{
}
/**
* @param $date
*
* @return Carbon
*/
protected function parseDate($date)
{
$carbon = Carbon::parse($date);
return $carbon;
}
/**
* Take a decimal duration and convert it to minutes
*
* @param $duration
*
* @return float|int
*/
protected function convertDuration($duration)
{
if (strpos($duration, '.') !== false) {
$delim = '.';
} elseif (strpos($duration, ':')) {
$delim = ':';
} else {
// no delimiter, assume it's just a straight hour
return (int) $duration * 60;
}
$hm = explode($delim, $duration);
$hours = (int) $hm[0] * 60;
$mins = (int) $hm[1];
return $hours + $mins;
}
}