Add tool to clean unused medias

controllers/internals/Console.php

@@ -151,4 +151,23 @@ namespace controllers\internals;
 
             exit($success ? 0 : 1);
         }
+
+
+        /**
+         * Delete medias that are no longer usefull
+         */
+        public function clean_unused_medias()
+        {
+            $bdd = \descartes\Model::_connect(DATABASE_HOST, DATABASE_NAME, DATABASE_USER, DATABASE_PASSWORD, 'UTF8');
+            $internal_media = new \controllers\internals\Media($bdd);
+
+            $medias = $internal_media->gets_unused();
+
+            foreach ($medias as $media)
+            {
+                $success = $internal_media->delete_for_user($media['id_user'], $media['id']);
+
+                echo ($success === false ? '[KO]' : '[OK]') . ' - ' . $media['path'] . "\n";
+            }
+        }
     }

controllers/internals/Media.php

@@ -174,7 +174,7 @@ namespace controllers\internals;
          * @param int $id_user : User id
          * @param int $id      : Entry id
          *
-         * @return int : Number of removed rows
+         * @return mixed bool|int : False on error, else number of removed rows
          */
         public function delete_for_user(int $id_user, int $id_media): bool
         {
@@ -184,7 +184,19 @@ namespace controllers\internals;
                 return false;
             }
 
-            unlink($media['path']);
+            //Delete file
+            try
+            {
+                $filepath = PWD_DATA . '/' . $media['path'];
+                if (file_exists($filepath))
+                {
+                    unlink($filepath);
+                }
+            }
+            catch (\Throwable $t)
+            {
+                return false;
+            }
 
             return $this->get_model()->delete_for_user($id_user, $id_media);
         }
@@ -225,6 +237,15 @@ namespace controllers\internals;
             return $this->get_model()->gets_for_received($id_received);
         }
 
+        /**
+         * Find medias that are not used
+         * @return array
+         */
+        public function gets_unused()
+        {
+            return $this->get_model()->gets_unused();
+        }
+
         /**
          * Get the model for the Controller.
          */

models/Media.php

@@ -245,6 +245,29 @@ namespace models;
             return $this->_delete('media_sended', $where);
         }
 
+        /**
+         * Find all unused medias
+         * @return array
+         */
+        public function gets_unused ()
+        {
+            $query = '
+                SELECT `media`.*
+                FROM   `media`
+                       LEFT JOIN `media_sended`
+                               ON `media`.id = `media_sended`.id_media
+                       LEFT JOIN `media_received`
+                               ON `media`.id = `media_received`.id_media
+                       LEFT JOIN `media_scheduled`
+                               ON `media`.id = `media_scheduled`.id_media
+                WHERE  `media_sended`.id IS NULL
+                        AND `media_received`.id IS NULL
+                        AND `media_scheduled`.id IS NULL 
+            ';
+            
+            return $this->_run_query($query);
+        }
+
         /**
          * Return table name.
          */