[bugfix] update fedi api to support multiple separate votes in same multiple choice poll (#3809)

internal/db/bundb/poll.go

@@ -380,8 +380,8 @@ func (p *pollDB) PutPollVote(ctx context.Context, vote *gtsmodel.PollVote) error
 				return err
 			}
 
-			// Increment poll votes for choices.
-			poll.IncrementVotes(vote.Choices)
+			// Increment vote choices and voters count.
+			poll.IncrementVotes(vote.Choices, true)
 
 			// Finally, update the poll entry.
 			_, err := tx.NewUpdate().
@@ -394,6 +394,17 @@ func (p *pollDB) PutPollVote(ctx context.Context, vote *gtsmodel.PollVote) error
 	})
 }
 
+func (p *pollDB) UpdatePollVote(ctx context.Context, vote *gtsmodel.PollVote, cols ...string) error {
+	return p.state.Caches.DB.PollVote.Store(vote, func() error {
+		_, err := p.db.NewUpdate().
+			Model(vote).
+			Column(cols...).
+			Where("? = ?", bun.Ident("id"), vote.ID).
+			Exec(ctx)
+		return err
+	})
+}
+
 func (p *pollDB) DeletePollVoteBy(ctx context.Context, pollID string, accountID string) error {
 	// Gather necessary fields from
 	// deleted for cache invaliation.
@@ -487,8 +498,8 @@ func updatePollCounts(ctx context.Context, tx bun.Tx, deleted *gtsmodel.PollVote
 		return err
 	}
 
-	// Decrement votes for these choices.
-	poll.DecrementVotes(deleted.Choices)
+	// Decrement vote choices and voters count.
+	poll.DecrementVotes(deleted.Choices, true)
 
 	// Finally, update the poll entry.
 	if _, err := tx.NewUpdate().

internal/db/poll.go

@@ -58,6 +58,9 @@ type Poll interface {
 	// PutPollVote puts the given PollVote in the database.
 	PutPollVote(ctx context.Context, vote *gtsmodel.PollVote) error
 
+	// UpdatePollVote updates the given poll vote in the database, using only given columns (else, all).
+	UpdatePollVote(ctx context.Context, vote *gtsmodel.PollVote, cols ...string) error
+
 	// DeletePollVoteBy deletes the PollVote in Poll with ID, by account ID, from the database.
 	DeletePollVoteBy(ctx context.Context, pollID string, accountID string) error