public void MapPhotoLikeRequestToPhotoLikeEntity(PhotoLikeRequest source, out PhotoLike destination)
{
destination = new PhotoLike()
{
LikerId = source.UserId,
PhotoId = source.PhotoId
};
}
private async Task <PhotoLikeEntity> GetLikeFromDatabaseAsync(PhotoLikeRequest request)
{
var likeFromRepo = await _photoLikeRepo.GetSinglePhotoLikeAsync(request.PhotoId, request.UserId);
if (likeFromRepo is not null)
{
return(likeFromRepo);
}
throw new NotFoundException("You haven't liked this photo.");
}
private async Task <IAsyncResult> CheckIfPhotoExistAsync(PhotoLikeRequest request)
{
var photoFromRepo = await _photoRepo.GetSinglePhotoAsync(request.PhotoId);
if (photoFromRepo is not null)
{
return(Task.CompletedTask);
}
throw new NotFoundException("Photo you wanted to unlike doesn't exist.");
}
private async Task <bool> DoesPhotoExistsAsync(PhotoLikeRequest request)
{
var photoFromRepo = await _photoRepo.GetSinglePhotoAsync(request.PhotoId);
if (photoFromRepo is not null)
{
return(true);
}
return(false);
}
private async Task <bool> IsAlreadyLikedAsync(PhotoLikeRequest request)
{
var likeFromRepo = await _photoLikeRepo.GetSinglePhotoLikeAsync(request.PhotoId, request.UserId);
if (likeFromRepo is not null)
{
return(true);
}
return(false);
}
public async Task <IActionResult> GetSingleLike([FromQuery] PhotoLikeRequest photoLike, CancellationToken cancellationToken)
{
var query = new GetSinglePhotoLikeQuery
{
Like = photoLike
};
var doesExist = await _mediator.Send(query);
return(Ok(doesExist));
}
private async Task <Unit> AddToDatabaseAsync(PhotoLikeRequest request, CancellationToken cancellationToken)
{
PhotoLikeEntity photoLike;
_mapper.MapPhotoLikeRequestToPhotoLikeEntity(request, out photoLike);
await _photoLikeRepo.AddAsync(photoLike, cancellationToken);
if (await _photoLikeRepo.SaveAllAsync())
{
return(await Task.FromResult(Unit.Value));
}
throw new DatabaseException("Error occured while updating database");
}
private async Task <IAsyncResult> ValidateAsync(PhotoLikeRequest request)
{
var isAlreadyLiked = await IsAlreadyLikedAsync(request);
var doesPhotoExistTask = DoesPhotoExistsAsync(request);
if (isAlreadyLiked)
{
throw new DatabaseException("You've already liked this photo.");
}
if (await doesPhotoExistTask)
{
return(Task.CompletedTask);
}
throw new NotFoundException("Photo you wanted to like, doesn't exist.");
}
private async Task <PhotoLikeEntity> GetFromDatabase(PhotoLikeRequest like)
{
var likeFromRepo = await _photoLikeRepo.GetSinglePhotoLikeAsync(like.PhotoId, like.UserId);
return(likeFromRepo);
}
