MediaLibrary: Add a way to fetch a bookmark by its id

include/medialibrary/IMediaLibrary.h

@@ -885,6 +885,8 @@ public:
     virtual bool requestThumbnail( int64_t mediaId, ThumbnailSizeType sizeType,
                                    uint32_t desiredWidth, uint32_t desiredHeight,
                                    float position ) = 0;
+
+    virtual BookmarkPtr bookmark( int64_t bookmarkId ) const = 0;
 };
 
 }

src/MediaLibrary.cpp

@@ -2814,5 +2814,9 @@ bool MediaLibrary::requestThumbnail( int64_t mediaId, ThumbnailSizeType sizeType
     return true;
 }
 
+BookmarkPtr MediaLibrary::bookmark( int64_t bookmarkId ) const
+{
+    return Bookmark::fetch( this, bookmarkId );
+}
 
 }

src/MediaLibrary.h

@@ -267,6 +267,8 @@ public:
                                    uint32_t desiredWidth, uint32_t desiredHeight,
                                    float position ) override;
 
+    virtual BookmarkPtr bookmark( int64_t bookmarkId ) const override;
+
 protected:
     // Allow access to unit test MediaLibrary implementations
     static const std::vector<const char*> SupportedMediaExtensions;

test/unittest/BookmarkTests.cpp

@@ -293,3 +293,15 @@ TEST_F( Bookmarks, OrderByCreationDate )
     ASSERT_EQ( b3->id(), bookmarks[1]->id() );
     ASSERT_EQ( b1->id(), bookmarks[2]->id() );
 }
+
+TEST_F( Bookmarks, Fetch )
+{
+    auto b = Bookmark::create( ml.get(), 1, m->id() );
+    ASSERT_NE( nullptr, b );
+
+    auto b2 = ml->bookmark( b->id() );
+    ASSERT_NE( b2, nullptr );
+
+    b2 = ml->bookmark( b->id() + 1 );
+    ASSERT_EQ( nullptr, b2 );
+}