Fix multiple answer question if answer incorrect and deadline big

Author: Zaptoss

internal/config/daily_questions.go

@@ -169,6 +169,20 @@ func (q *DailyQuestions) SetDeadline(nullifier string, id int, duration time.Dur
 	return true
 }
 
+func (q *DailyQuestions) ZeroDeadline(nullifier string) *Deadline {
+	q.mu.Lock()
+	defer q.mu.Unlock()
+
+	deadline, ok := q.deadlines[nullifier]
+	if !ok {
+		return nil
+	}
+	deadline.At = time.Unix(0, 0)
+	q.deadlines[nullifier] = deadline
+
+	return &deadline
+}
+
 func (q *DailyQuestions) ClearDeadlines() map[int]int {
 	q.mu.Lock()
 	defer q.mu.Unlock()

internal/service/handlers/daily_question_check.go

@@ -121,6 +121,8 @@ func CheckDailyQuestion(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	dq.ZeroDeadline(nullifier)
+
 	ape.Render(w, newDailyAnswer(question))
 }