public async Task <Result <object> > Handle(DeletePostCommand request, CancellationToken cancellationToken)
{
var post = await _forumDbContext.Posts
.IncludePreview()
.SingleOrDefaultAsync(p => p.AuthorId == request.UserId && p.Id == request.PostId);
if (post == null)
{
return(Result <object> .Failure(nameof(request.PostId), "Post doesn't exist or you can't edit it"));
}
_forumDbContext.Posts.Remove(post);
await _photoStorage.DeletePhotoAsync(post.Preview.Image.FileName);
await _forumDbContext.SaveChangesAsync();
return(Result <object> .Success());
}
public async Task <Result <object> > Handle(DeleteAvatarCommand request, CancellationToken cancellationToken)
{
var profile = await _forumDbContext.Profiles
.IncludeUser()
.SingleAsync(p => p.UserId == request.UserId);
var avatar = profile.Avatar;
if (avatar == null)
{
return(Result <object> .Failure(string.Empty, "Avatar doesn't exist"));
}
_forumDbContext.Remove(avatar);
await _photoStorage.DeletePhotoAsync(avatar.FileName);
await _forumDbContext.SaveChangesAsync();
return(Result <object> .Success());
}
public async Task <Result <UserProfileDto> > Handle(EditAvatarCommand request, CancellationToken cancellationToken)
{
var profile = await _forumDbContext.Profiles
.IncludeUser()
.SingleAsync(p => p.UserId == request.UserId);
var validationResult = _photoValidator.ValidatePhoto(request.Avatar);
if (!validationResult.Succeeded)
{
return(Result <UserProfileDto> .Failure(validationResult.Field, validationResult.Message));
}
var oldAvatar = profile.Avatar;
if (oldAvatar != null)
{
_forumDbContext.Photos.Remove(oldAvatar);
await _photoStorage.DeletePhotoAsync(oldAvatar.FileName);
}
var newAvatar = request.Avatar;
var resizedAvatar = await _imageProcessor.ResizeImage(newAvatar);
var fileName = await _photoStorage.StorePhotoAsync(resizedAvatar, ".png");
profile.Avatar = new Photo {
FileName = fileName
};
await _forumDbContext.SaveChangesAsync();
var result = _mapper.Map <UserProfileDto>(profile);
return(Result <UserProfileDto> .Success(result));
}
protected override async Task Handle(DeletePhotoCommand request, CancellationToken cancellationToken)
{
await _photoStorage.DeletePhotoAsync(request.FileName);
}