Fix editing of MGR posters

app/Models/MultigroupPosters.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see LICENSE.txt in the base directory.  If
+ * not, see:
+ *
+ * @link      <http://www.gnu.org/licenses/>.
+ * @author    niel
+ * @copyright 2016 nZEDb
+ */
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class MultigroupPosters extends Model
+{
+	protected $table = 'multigroup_posters';
+
+	protected $fillable = ['id', 'poster'];
+
+	public $dateFormat = false;
+
+	public $timestamps = false;
+
+	/**
+	 * @return string
+	 */
+	public static function commaSeparatedList(): string
+	{
+		$list = [];
+		$posters = MultigroupPosters::all('poster');
+
+		foreach ($posters as $poster) {
+			$list[] = $poster->poster;
+		}
+
+		return implode(',', $list);
+	}
+}
+
+?>