Subsonci API: added getAlbmInfo support

src/libs/subsonic/impl/SubsonicResource.cpp

@@ -170,8 +170,8 @@ namespace lms::api::subsonic
             { "/getVideos", { handleNotImplemented } },
             { "/getArtistInfo", { handleNotImplemented } },
             { "/getArtistInfo2", { handleGetArtistInfo2Request } },
-            { "/getAlbumInfo", { handleNotImplemented } },
-            { "/getAlbumInfo2", { handleNotImplemented } },
+            { "/getAlbumInfo", { handleGetAlbumInfo } },
+            { "/getAlbumInfo2", { handleGetAlbumInfo2 } },
             { "/getSimilarSongs", { handleGetSimilarSongsRequest } },
             { "/getSimilarSongs2", { handleGetSimilarSongs2Request } },
             { "/getTopSongs", { handleGetTopSongs } },

src/libs/subsonic/impl/entrypoints/Browsing.cpp

@@ -38,6 +38,7 @@
 #include "SubsonicId.hpp"
 #include "Utils.hpp"
 #include "responses/Album.hpp"
+#include "responses/AlbumInfo.hpp"
 #include "responses/Artist.hpp"
 #include "responses/Genre.hpp"
 #include "responses/Song.hpp"
@@ -560,6 +561,37 @@ namespace lms::api::subsonic
         return response;
     }
 
+    Response handleGetAlbumInfo(RequestContext& context)
+    {
+        const db::DirectoryId directoryId{ getMandatoryParameterAs<db::DirectoryId>(context.parameters, "id") };
+
+        Response response{ Response::createOkResponse(context.serverProtocolVersion) };
+
+        {
+            auto transaction{ context.dbSession.createReadTransaction() };
+
+            if (db::Release::pointer release{ getReleaseFromDirectory(context.dbSession, directoryId) })
+                response.addNode("albumInfo", createAlbumInfoNode(context, release));
+        }
+        return response;
+    }
+
+    Response handleGetAlbumInfo2(RequestContext& context)
+    {
+        const db::ReleaseId releaseId{ getMandatoryParameterAs<db::ReleaseId>(context.parameters, "id") };
+
+        Response response{ Response::createOkResponse(context.serverProtocolVersion) };
+
+        {
+            auto transaction{ context.dbSession.createReadTransaction() };
+
+            if (db::Release::pointer release{ db::Release::find(context.dbSession, releaseId) })
+                response.addNode("albumInfo", createAlbumInfoNode(context, release));
+        }
+
+        return response;
+    }
+
     Response handleGetSimilarSongsRequest(RequestContext& context)
     {
         return handleGetSimilarSongsRequestCommon(context, false /* no id3 */);

src/libs/subsonic/impl/entrypoints/Browsing.hpp

@@ -34,6 +34,8 @@ namespace lms::api::subsonic
     Response handleGetSongRequest(RequestContext& context);
     Response handleGetArtistInfoRequest(RequestContext& context);
     Response handleGetArtistInfo2Request(RequestContext& context);
+    Response handleGetAlbumInfo(RequestContext& context);
+    Response handleGetAlbumInfo2(RequestContext& context);
     Response handleGetSimilarSongsRequest(RequestContext& context);
     Response handleGetSimilarSongs2Request(RequestContext& context);
     Response handleGetTopSongs(RequestContext& context);

src/libs/subsonic/impl/responses/AlbumInfo.cpp

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2024 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "AlbumInfo.hpp"
+
+#include "database/Release.hpp"
+
+#include "RequestContext.hpp"
+
+namespace lms::api::subsonic
+{
+    Response::Node createAlbumInfoNode(RequestContext& context, const db::ObjectPtr<db::Release>& release)
+    {
+        Response::Node albumInfo;
+
+        if (const auto releaseMBID{ release->getMBID() })
+        {
+            switch (context.responseFormat)
+            {
+            case ResponseFormat::json:
+                albumInfo.setAttribute("musicBrainzId", releaseMBID->getAsString());
+                break;
+            case ResponseFormat::xml:
+                albumInfo.createChild("musicBrainzId").setValue(releaseMBID->getAsString());
+                break;
+            }
+        }
+
+        return albumInfo;
+    }
+} // namespace lms::api::subsonic

src/libs/subsonic/impl/responses/AlbumInfo.hpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2024 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "database/Object.hpp"
+
+#include "SubsonicResponse.hpp"
+
+namespace lms::db
+{
+    class Release;
+} // namespace lms::db
+
+namespace lms::api::subsonic
+{
+    struct RequestContext;
+
+    Response::Node createAlbumInfoNode(RequestContext& context, const db::ObjectPtr<db::Release>& release);
+} // namespace lms::api::subsonic