public async Task <ServiceResponseDto> DeleteCollectionAsync(DeleteCollectionDto deleteCollectionDto)
{
ServiceResponseDto deleteCollectionResultDto = new ServiceResponseDto();
if (!await _collectionRepository.ExistsAsync(collection => collection.Id.Equals(deleteCollectionDto.Id)))
{
deleteCollectionResultDto.Message = "The collection does not exist.";
return(deleteCollectionResultDto);
}
if (!await _collectionRepository.ExistsAsync(collection => collection.Id.Equals(deleteCollectionDto.Id) && collection.UserId.Equals(deleteCollectionDto.UserId)))
{
deleteCollectionResultDto.Message = "The collection does not exist or you are not the owner of the collection.";
return(deleteCollectionResultDto);
}
Collection actualCollection = await _collectionRepository.FindSingleByExpressionAsync(collection => collection.Id.Equals(deleteCollectionDto.Id) && collection.UserId.Equals(deleteCollectionDto.UserId));
if (await _collectionRepository.DeleteAsync(actualCollection))
{
deleteCollectionResultDto.Success = true;
deleteCollectionResultDto.Message = "Successfully deleted the collection.";
return(deleteCollectionResultDto);
}
deleteCollectionResultDto.Message = "Something happened try again later..";
return(deleteCollectionResultDto);
}
public async Task DeleteCollectionAsync_Should_Pass()
{
// Arrange
CollectionDto collectionDto = new CollectionDto
{
UserId = 1,
Name = "Dank Memes"
};
await CollectionService.CreateCollectionAsync(collectionDto);
List <CollectionDto> collections = (await CollectionService.GetAllCollectionsAsync()).ToList();
Assert.IsTrue(collections.Count.Equals(1));
// Act
DeleteCollectionDto deleteCollectionDto = new DeleteCollectionDto {
Id = 1, UserId = 1
};
ServiceResponseDto deleteCollectionResultDto = await CollectionService.DeleteCollectionAsync(deleteCollectionDto);
// Assert
Assert.IsTrue(deleteCollectionResultDto.Success);
collections = (await CollectionService.GetAllCollectionsAsync()).ToList();
Assert.IsTrue(collections.Count.Equals(0));
}