tethys/app/Models/XmlCache.php
2020-06-10 21:09:15 +02:00

81 lines
1.8 KiB
PHP

<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
use App\Models\Dataset;
use Illuminate\Support\Facades\DB;
class XmlCache extends Model
{
/**
* The database table used by the model.
*
* @var string
*/
protected $table = 'document_xml_cache';
public $timestamps = false;
/**
* primaryKey
*
* @var integer
* @access protected
*/
//protected $primaryKey = null;
public $primaryKey = 'document_id';
public $incrementing = false;
/**
* The attributes that are mass assignable.
*
* @var array
*/
protected $fillable = ['document_id', 'xml_version', 'server_date_modified', 'xml_data'];
/**
* Get the dataset that owns the xml cache.
*/
public function dataset()
{
return $this->belongsTo(Dataset::class, 'document_id', 'id');
}
/**
* Get dom document of 'xml_data' string
*
* @return \DOMDocument
*/
public function getDomDocument()
{
$dom = new \DOMDocument('1.0', 'utf-8');
$xmlData = $this->xml_data;
$dom->loadXML($xmlData);
return $dom;
}
/**
* Check if a document in a specific xml version is already cached or not.
*
* @param mixed $datasetId
* @param mixed $xmlVersion
* @param mixed $serverDateModified
* @return bool Returns true on cached hit else false.
*/
public function hasValidEntry($datasetId, $serverDateModified)
{
$select = DB::table('document_xml_cache');
$select->where('document_id', '=', $datasetId)
->where('server_date_modified', '=', $serverDateModified);
$row = $select->first();
if (null === $row) {
return false;
} else {
return true;
}
}
}