public async Task<ActionResult> CommentLike(CommentLikeModel model)
{
if (!ModelState.IsValid)
{
return RedirectToAction("Post", new { id = model.PostId });
}
var blogContext = new BlogContext();
// XXX WORK HERE
// Increment the Likes field for the comment at {model.Index}
// inside the post {model.PostId}.
//
// NOTE: The 2.0.0 driver has a bug in the expression parser and
// might throw an exception depending on how you solve this problem.
// This is documented here along with a workaround:
// https://jira.mongodb.org/browse/CSHARP-1246
await blogContext.Posts.UpdateOneAsync(
p => p.Id == model.PostId,
Builders<Post>.Update.Inc(string.Format("Comments.{0}.Likes", model.Index), 1));
return RedirectToAction("Post", new { id = model.PostId });
}
public async Task<ActionResult> CommentLike(CommentLikeModel model)
{
if (!ModelState.IsValid)
{
return RedirectToAction("Post", new { id = model.PostId });
}
var blogContext = new BlogContext();
// XXX WORK HERE
// Increment the Likes field for the comment at {model.Index}
// inside the post {model.PostId}.
//
// NOTE: The 2.0.0 driver has a bug in the expression parser and
// might throw an exception depending on how you solve this problem.
// This is documented here along with a workaround:
// https://jira.mongodb.org/browse/CSHARP-1246
var post = await blogContext.Posts.Find(p => p.Id == model.PostId).SingleAsync();
post.Comments[model.Index].Likes += 1;
await blogContext.Posts.FindOneAndReplaceAsync(p => p.Id == model.PostId, post);
return RedirectToAction("Post", new { id = model.PostId });
}
