Implement Syncing Modifications in Songs (not tested yet)

app/src/main/java/core/notevault/data/MusicNote.java

@@ -5,6 +5,8 @@ import androidx.room.Ignore;
 import androidx.room.PrimaryKey;
 import core.notevault.data.sync.SyncStatus;
 
+import java.time.LocalDateTime;
+
 @Entity(tableName = "music_notes")
 public class MusicNote {
 
@@ -12,6 +14,7 @@ public class MusicNote {
     private long musicNoteId;
     private String serverID;
     private SyncStatus syncStatus;
+    private LocalDateTime last_sync;
 
     private String title;
     private String composer;
@@ -92,4 +95,13 @@ public class MusicNote {
     public void setSyncStatus(SyncStatus syncStatus) {
         this.syncStatus = syncStatus;
     }
+
+    public LocalDateTime getLast_sync() {
+
+        return last_sync;
+    }
+
+    public void setLast_sync(LocalDateTime last_sync) {
+        this.last_sync = last_sync;
+    }
 }

app/src/main/java/core/notevault/data/MusicNoteDAO.java

@@ -62,4 +62,9 @@ public interface MusicNoteDAO {
 
     @Query("UPDATE music_notes SET syncStatus = :status, serverID = :serverID WHERE musicNoteId = :localID")
     void storeSongSyncResponse(long localID, SyncStatus status, String serverID);
+
+    @Query("UPDATE music_notes SET syncStatus = :status, last_sync = :currentTime WHERE serverID IN (:serverIDs)")
+    void storeSongSyncModifyResponses(List<String> serverIDs, SyncStatus status, LocalDateTime currentTime);
+
+
 }

app/src/main/java/core/notevault/sync/synchronisation/SyncService.java

@@ -3,6 +3,8 @@ package core.notevault.sync.synchronisation;
 import core.notevault.data.sync.SyncResponse;
 import core.notevault.sync.synchronisation.songs.creation.SongCreationBatchRequest;
 import core.notevault.sync.synchronisation.songs.creation.SongCreationBatchResponse;
+import core.notevault.sync.synchronisation.songs.modification.SongModificationBatchRequest;
+import core.notevault.sync.synchronisation.songs.modification.SongModificationBatchResponse;
 import retrofit2.Call;
 import retrofit2.http.Body;
 import retrofit2.http.POST;
@@ -11,4 +13,7 @@ public interface SyncService {
 
     @POST("/sync/songs/create")
     Call<SongCreationBatchResponse> performSongCreation(@Body SongCreationBatchRequest syncRequest);
+
+    @POST("/sync/songs/modify")
+    Call<SongModificationBatchResponse> performSongModification(@Body SongModificationBatchRequest syncRequest);
 }

app/src/main/java/core/notevault/sync/synchronisation/songs/SongSyncWorker.java

@@ -10,6 +10,9 @@ import core.notevault.sync.synchronisation.SyncService;
 import core.notevault.sync.synchronisation.songs.creation.SongCreationBatchRequest;
 import core.notevault.sync.synchronisation.songs.creation.SongCreationBatchResponse;
 import core.notevault.sync.synchronisation.songs.creation.SongCreationRequest;
+import core.notevault.sync.synchronisation.songs.modification.SongModificationBatchRequest;
+import core.notevault.sync.synchronisation.songs.modification.SongModificationBatchResponse;
+import core.notevault.sync.synchronisation.songs.modification.SongModificationRequest;
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
@@ -31,7 +34,7 @@ public class SongSyncWorker {
         this.context = context;
     }
 
-    public SongCreationBatchRequest buildCreationRequest() {
+    private SongCreationBatchRequest buildCreationRequest() {
         List<MusicNote> created_songs = database.getSongsWithSyncStatus(SyncStatus.CREATED);
         List<SongCreationRequest> songCreationRequests = new ArrayList<>();
         for(MusicNote musicNote : created_songs) {
@@ -60,4 +63,30 @@ public class SongSyncWorker {
             }
         });
     }
+
+    private SongModificationBatchRequest buildModificationRequest() {
+        List<MusicNote> modified_songs = database.getSongsWithSyncStatus(SyncStatus.MODIFIED);
+        List<SongModificationRequest> songModificationRequests = new ArrayList<>();
+        for(MusicNote musicNote : modified_songs) {
+            songModificationRequests.add(new SongModificationRequest(musicNote.getServerID(), musicNote.getTitle(), musicNote.getComposer(), musicNote.getGenre(), musicNote.getYear()));
+        }
+        return new SongModificationBatchRequest(songModificationRequests);
+    }
+
+    public void syncSongModifications() {
+        SongModificationBatchRequest request = buildModificationRequest();
+        syncService.performSongModification(request).enqueue(new Callback<SongModificationBatchResponse>() {
+            @Override
+            public void onResponse(Call<SongModificationBatchResponse> call, Response<SongModificationBatchResponse> response) {
+                executorService.execute(() -> {
+
+                });
+            }
+
+            @Override
+            public void onFailure(Call<SongModificationBatchResponse> call, Throwable throwable) {
+                Toast.makeText(context, "Sync of Modified Songs failed", Toast.LENGTH_LONG).show();
+            }
+        });
+    }
 }

app/src/main/java/core/notevault/sync/synchronisation/songs/modification/SongModificationBatchRequest.java

@@ -0,0 +1,11 @@
+package core.notevault.sync.synchronisation.songs.modification;
+
+import java.util.List;
+
+public class SongModificationBatchRequest {
+    private List<SongModificationRequest> songs;
+
+    public SongModificationBatchRequest(List<SongModificationRequest> songs) {
+        this.songs = songs;
+    }
+}

app/src/main/java/core/notevault/sync/synchronisation/songs/modification/SongModificationBatchResponse.java

@@ -0,0 +1,19 @@
+package core.notevault.sync.synchronisation.songs.modification;
+
+import java.util.List;
+
+public class SongModificationBatchResponse {
+    private List<String> updated_songs;
+
+    public SongModificationBatchResponse(List<String> updated_songs) {
+        this.updated_songs = updated_songs;
+    }
+
+    public List<String> getUpdated_songs() {
+        return updated_songs;
+    }
+
+    public void setUpdated_songs(List<String> updated_songs) {
+        this.updated_songs = updated_songs;
+    }
+}

app/src/main/java/core/notevault/sync/synchronisation/songs/modification/SongModificationRequest.java

@@ -0,0 +1,17 @@
+package core.notevault.sync.synchronisation.songs.modification;
+
+public class SongModificationRequest {
+    private String serverID;
+    private String title;
+    private String composer;
+    private String genre;
+    private int year;
+
+    public SongModificationRequest(String serverID, String title, String composer, String genre, int year) {
+        this.serverID = serverID;
+        this.title = title;
+        this.composer = composer;
+        this.genre = genre;
+        this.year = year;
+    }
+}