MetadataParser: Discard duplicate tasks

src/metadata_services/MetadataParser.cpp

@@ -157,6 +157,8 @@ parser::Task::Status MetadataParser::run( parser::Task& task )
     {
         // Let the worker drop this duplicate task
         task.markStepCompleted( parser::Task::ParserStep::Completed );
+        // And remove it from DB
+        task.destroy( m_ml, task.id() );
         return parser::Task::Status::Success;
     }
 

src/parser/Task.cpp

@@ -128,6 +128,11 @@ bool Task::updateFileId()
     return true;
 }
 
+int64_t Task::id() const
+{
+    return m_id;
+}
+
 bool Task::restoreLinkedEntities( )
 {
     auto fsFactory = m_ml->fsFactoryForMrl( mrl );

src/parser/Task.h

@@ -120,6 +120,7 @@ public:
     void startParserStep();
 
     bool updateFileId();
+    int64_t id() const;
 
     // Restore attached entities such as media/files
     bool restoreLinkedEntities();