public async Task <Unit> Handle(CommentLikeCommand request, CancellationToken cancellationToken)
{
var comment = await _context.Comments.FindAsync(request.Id);
comment.Likes++;
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(LikeTopicCommand request, CancellationToken cancellationToken)
{
var topic = await _context.Topics.FindAsync(request.Id);
topic.Likes++;
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(RemoveCakeCommand request, CancellationToken cancellationToken)
{
var cake = await context.ShoppingCarts.FirstOrDefaultAsync(s => s.CustomerId == request.CustomerId && s.CakeId == request.CakeId);
this.context.ShoppingCarts.Remove(cake);
await context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(ClearCartCommand request, CancellationToken cancellationToken)
{
var cakes = await this.context.ShoppingCarts.Where(s => s.CustomerId == request.CustomerId).ToArrayAsync();
this.context.ShoppingCarts.RemoveRange(cakes);
await context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(CreateCommentCommand request, CancellationToken cancellationToken)
{
_context.Comments.Add(new Comment
{
Content = request.Content,
Replies = new List <Reply>(),
SubmitTime = DateTime.UtcNow,
TopicId = request.TopicId
});
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(CreateTopicCommand request, CancellationToken cancellationToken)
{
_context.Topics.Add(new Topic
{
Name = request.Name,
Category = request.Category,
Content = request.Content,
CustomerId = request.CustomerId,
Comments = new List <Comment>(),
SubmitTime = DateTime.UtcNow
});
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(RemoveTopicCommand request, CancellationToken cancellationToken)
{
Topic topic = await _context.Topics.FindAsync(request.Id);
var comments = topic.Comments;
foreach (var comment in comments)
{
foreach (var reply in _context.Replies.Where(r => r.CommentId == comment.Id))
{
_context.Replies.Remove(reply);
}
}
_context.Comments.RemoveRange(comments);
_context.Topics.Remove(topic);
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(EditTopicCommand request, CancellationToken cancellationToken)
{
Topic topic = await _context.Topics.FindAsync(request.Id);
if (!string.IsNullOrWhiteSpace(request.Name))
{
topic.Name = request.Name;
}
if (!string.IsNullOrWhiteSpace(request.Category))
{
topic.Category = request.Category;
}
if (!string.IsNullOrWhiteSpace(request.Content))
{
topic.Content = request.Content;
}
_context.Topics.Update(topic);
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}