Created mutator on category checkin_email

Signed-off-by: snipe <snipe@snipe.net>

app/Models/Category.php

@@ -247,6 +247,26 @@ class Category extends SnipeModel
         }
     }
 
+    /**
+     * -----------------------------------------------
+     * BEGIN MUTATORS
+     * -----------------------------------------------
+     **/
+
+    /**
+     * This sets the checkin_value to a boolean 0 or 1. This accounts for forms or API calls that
+     * explicitly pass the checkin_email field but it has a null or empty value.
+     *
+     * This will also correctly parse "true"/"false" passed.
+     *
+     * @param $value
+     * @return void
+     */
+    public function setCheckinEmailAttribute($value)
+    {
+        $this->attributes['checkin_email'] = (int) filter_var($value, FILTER_VALIDATE_BOOLEAN);
+    }
+
     /**
      * -----------------------------------------------
      * BEGIN QUERY SCOPES