Movie: Allow deletion by a media ID

refs #297

src/Movie.cpp

@@ -152,4 +152,10 @@ MoviePtr Movie::fromMedia( MediaLibraryPtr ml, int64_t mediaId )
     return fetch( ml, req, mediaId );
 }
 
+bool Movie::deleteByMediaId( MediaLibraryPtr ml, int64_t mediaId )
+{
+    const std::string req = "DELETE FROM " + Table::Name + " WHERE media_id = ?";
+    return sqlite::Tools::executeDelete( ml->getConn(), req, mediaId );
+}
+
 }

src/Movie.h

@@ -60,6 +60,7 @@ class Movie : public IMovie, public DatabaseHelpers<Movie>
         static bool checkDbModel( MediaLibraryPtr ml );
         static std::shared_ptr<Movie> create( MediaLibraryPtr ml, int64_t mediaId );
         static MoviePtr fromMedia( MediaLibraryPtr ml, int64_t mediaId );
+        static bool deleteByMediaId( MediaLibraryPtr ml, int64_t mediaId );
 
     private:
         MediaLibraryPtr m_ml;

test/unittest/MovieTests.cpp

@@ -103,3 +103,19 @@ TEST_F( Movies, CheckDbModel )
     auto res = Movie::checkDbModel( ml.get() );
     ASSERT_TRUE( res );
 }
+
+TEST_F( Movies, DeleteByMediaId )
+{
+    auto media1 = std::static_pointer_cast<Media>( ml->addMedia( "movie.mkv", IMedia::Type::Video ) );
+    auto media2 = std::static_pointer_cast<Media>( ml->addMedia( "movie2.mkv", IMedia::Type::Video ) );
+    auto movie1 = ml->createMovie( *media1 );
+    auto movie2 = ml->createMovie( *media2 );
+    ASSERT_NE( movie1, nullptr );
+    ASSERT_NE( movie2, nullptr );
+
+    Movie::deleteByMediaId( ml.get(), media1->id() );
+    movie1 = std::static_pointer_cast<Movie>( ml->movie( movie1->id() ) );
+    ASSERT_EQ( nullptr, movie1 );
+    movie2 = std::static_pointer_cast<Movie>( ml->movie( movie2->id() ) );
+    ASSERT_NE( nullptr, movie2 );
+}