public async Task <Suggestion> AddNewSuggestionAsync(CreateNewSuggestion suggestionToCreate)
        {
            var topic = await _schedulearnContext.Topics.FindAsync(suggestionToCreate.TopicId);

            var suggester = await _schedulearnContext.Users.FindAsync(suggestionToCreate.SuggesterId);

            var suggestee = await _schedulearnContext.Users.FindAsync(suggestionToCreate.SuggesteeId);

            if (topic == null)
            {
                throw new NotFoundException(Error_TopicNotFound.ReplaceArgs(suggestionToCreate.TopicId));
            }
            if (suggester == null)
            {
                throw new NotFoundException(Error_UserNotFound.ReplaceArgs(suggestionToCreate.SuggesterId));
            }
            if (suggestee == null)
            {
                throw new NotFoundException(Error_UserNotFound.ReplaceArgs(suggestionToCreate.SuggesteeId));
            }

            var newSuggestion = suggestionToCreate.CreateSuggestion();

            await _schedulearnContext.Suggestions.AddAsync(newSuggestion);

            await _schedulearnContext.SaveChangesAsync();

            await _schedulearnContext.Entry(newSuggestion).ReloadAsync();

            return(newSuggestion);
        }
        public async Task <IActionResult> PostSuggestion(CreateNewSuggestion suggestionToCreate)
        {
            System.Diagnostics.Debug.WriteLine($"PostSuggestion: User {suggestionToCreate.SuggesterId} creating suggestion for user {suggestionToCreate.SuggesteeId} for topic: {suggestionToCreate.TopicId}");

            var newSuggestion = await _suggestionService.AddNewSuggestionAsync(suggestionToCreate);

            return(NoContent());
        }