public async Task <Guid> Handle(Command request, CancellationToken cancellationToken)
{
var dictionary = await _context.Dictionaries.FindAsync(request.DictionaryId);
if (dictionary == null)
{
throw new RestException(HttpStatusCode.NotFound, ErrorType.DictionaryNotFound);
}
if (dictionary.WordsCount + dictionary.PhrasesCount == 8000)
{
throw new RestException(HttpStatusCode.BadRequest, ErrorType.ItemsLimitReached);
}
var originalLower = request.Original.ToLower();
var translationLower = request.Translation.ToLower();
if (ItemChecker.AreEqual(originalLower, translationLower))
{
throw new RestException(HttpStatusCode.BadRequest,
ErrorType.ItemOriginalOrTranslationContainEachOther);
}
if (request.Definition != null && ItemChecker.DoesDefinitionContainItem(request.Definition,
originalLower,
translationLower))
{
throw new RestException(HttpStatusCode.BadRequest,
ErrorType.ItemDefinitionContainsOriginalOrTranslation);
}
var item = new Item
{
Dictionary = dictionary,
Original = request.Original,
Translation = request.Translation,
Definition = request.Definition,
DefinitionOrigin = request.DefinitionOrigin,
Type = request.Type,
CreationDate = DateTime.Now,
IsStarred = request.IsStarred,
GoesForNextDay = request.IsStarred,
};
if (item.Type == ItemType.Word)
{
dictionary.WordsCount++;
}
else
{
dictionary.PhrasesCount++;
}
_context.Items.Add(item);
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(item.Id);
}
throw new RestException(HttpStatusCode.InternalServerError, ErrorType.SavingChangesError);
}
public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var dictionary = await _context.Dictionaries.FindAsync(request.DictionaryId);
if (dictionary == null)
{
throw new RestException(HttpStatusCode.NotFound, ErrorType.DictionaryNotFound);
}
var item = await _context.Items.FindAsync(request.ItemId);
if (item == null)
{
throw new RestException(HttpStatusCode.NotFound, ErrorType.ItemNotFound);
}
var originalLower = request.Original.ToLower();
var translationLower = request.Translation.ToLower();
if (request.Definition != null && ItemChecker.DoesDefinitionContainItem(request.Definition,
originalLower,
translationLower))
{
throw new RestException(HttpStatusCode.BadRequest,
ErrorType.ItemDefinitionContainsOriginalOrTranslation);
}
if (!item.Original.ToLower().Equals(originalLower) ||
!item.Translation.ToLower().Equals(translationLower))
{
if (ItemChecker.AreEqual(originalLower, translationLower))
{
throw new RestException(HttpStatusCode.BadRequest,
ErrorType.ItemOriginalOrTranslationContainEachOther);
}
if (item.IsLearned)
{
if (item.Type == ItemType.Word)
{
dictionary.LearnedWordsCount--;
}
else
{
dictionary.LearnedPhrasesCount--;
}
}
item.IsLearned = false;
item.CorrectAnswersToCompletionCount = 0;
item.CreationDate = DateTime.Now;
}
item.Original = request.Original;
item.Translation = request.Translation;
item.Definition = request.Definition;
item.DefinitionOrigin = request.DefinitionOrigin;
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new RestException(HttpStatusCode.InternalServerError, ErrorType.SavingChangesError);
}