undo like

app/DB.hs

@@ -29,6 +29,7 @@ data DB
   , getNote :: DB.Int64 -> IO (Maybe Note)
   , insertNote :: NoteEntry -> IO (DB.Int64, Note)
   , insertLike :: LikeEntry -> IO DB.Int64
+  , deleteLike :: LikeEntry -> IO (Maybe DB.Int64)
   -- , deleteLike :: LikeEntry -> IO (Maybe DB.Int64)
   , insertFollower
       :: forall a
@@ -102,6 +103,8 @@ mkDB connstr details = do
           \note -> DB.withPool pool (insertNoteToDb (actorUrl details) note)
       , insertLike =
           \like -> DB.withPool pool (insertLikeToDb like)
+      , deleteLike =
+          \like -> DB.withPool pool (deleteLikeToDb like)
       , insertFollower =
           \follower handle -> DB.withPool pool $ DB.transaction do
             id' <- insertFollowerToDb follower
@@ -204,6 +207,11 @@ insertLikeToDb like = do
   [n] <- map decodeIntRow <$> uncurry DB.runWith (insertLikeSQL like)
   pure n
 
+deleteLikeToDb :: LikeEntry -> DB.SQLite (Maybe DB.Int64)
+deleteLikeToDb like = do
+  ns <- map decodeIntRow <$> uncurry DB.runWith (deleteLikeSQL like)
+  pure $ listToMaybe ns
+
 insertFollowerToDb :: FollowerEntry -> DB.SQLite DB.Int64
 insertFollowerToDb follower = do
   [n] <- map decodeIntRow <$> uncurry DB.runWith (insertFollowerSQL follower)
@@ -374,6 +382,22 @@ insertLikeSQL like =
     ]
   )
 
+deleteLikeSQL :: LikeEntry -> (DB.SQL, [DB.SQLData])
+deleteLikeSQL like =
+  ( [r|
+      DELETE FROM like
+      WHERE like_url = ?
+        AND actor_url = ?
+        AND note_url = ?
+      RETURNING
+        id as id
+    |]
+  , [ DB.SQLText (T.pack like.likeUrl)
+    , DB.SQLText (T.pack like.likeActorUrl.unwrap)
+    , DB.SQLText (T.pack like.likeNoteUrl.unwrap)
+    ]
+  )
+
 insertFollowerSQL :: FollowerEntry -> (DB.SQL, [DB.SQLData])
 insertFollowerSQL follower =
   ( [r|

app/Routes/Inbox.hs

@@ -16,8 +16,6 @@ handleInbox db detailsFile activity = do
   case activity of
     Fedi.ActivityFollow follow ->
       handleInboxFollow details db activity follow
-    Fedi.ActivityLike like ->
-      handleInboxLike db like
     Fedi.ActivityUndo
       ( Fedi.Object
           { otype =
@@ -30,6 +28,20 @@ handleInbox db detailsFile activity = do
           }
         ) ->
         handleInboxUnfollow details db activity follow
+    Fedi.ActivityLike like ->
+      handleInboxLike db like
+    Fedi.ActivityUndo
+      ( Fedi.Object
+          { otype =
+            Fedi.TypeActivity
+              { atype =
+                Fedi.TypeUndo
+                  { object = Fedi.ActivityLike like
+                  }
+              }
+          }
+        ) ->
+      handleInboxUnlike db like
     _ -> do
       Log.logError $ "Unsupported activity: " <> Fedi.pShow activity
       Twain.next

app/Routes/Inbox/Like.hs

@@ -32,7 +32,7 @@ handleInboxLike db like = do
     Nothing ->
       Twain.next
 
-  {-
+
 handleInboxUnlike
   :: DB
   -> Fedi.Like
@@ -44,29 +44,18 @@ handleInboxUnlike db like = do
     note = like.otype.atype.object
   case id' of
     Just id'' -> do
-          let
-            followerEntry =
-              ( LikeEntry
-                  { likeUrl = fromString id''.unwrap
-                  , likeActorUrl = actor
-                  , likeNoteUrl = note
-                  }
-              )
-            operation sendAccept = do
-              deleteFollower
-                db
-                LikeEntry
-                ( \deletedId' -> do
-                    let
-                      deletedId = Fedi.fromMaybe 0 deletedId'
-                    sendAccept deletedId
-                      <* Log.logInfo ("Deleted follower: " <> Fedi.pShow deletedId)
-                )
-
-          liftIO $ acceptRequest details actor activity operation
-
-          pure $ Twain.text ""
+      let
+        likeEntry =
+          ( LikeEntry
+              { likeUrl = fromString id''.unwrap
+              , likeActorUrl = actor
+              , likeNoteUrl = note
+              }
+          )
+        operation = do
+          likeid <- db.deleteLike likeEntry
+          Log.logInfo ("Unlike: " <> Fedi.pShow (likeid, likeEntry))
+      liftIO operation
+      pure $ Twain.text ""
     Nothing ->
       Twain.next
-
--}