public EditCommentResponse Handle(EditComment command)
{
Debug.WriteLine(DateTime.Now.ToLongTimeString() + ":Got command..");
var response = new EditCommentResponse();
try
{
var user = _membershipService.GetUserById(command.EditedBy);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
var comment = _commentService.GetCommentById(command.CommentId);
if (comment == null)
{
response.Error = "Invalid comment.";
return(response);
}
if (comment.AuthorUserId != user.Id)
{
response.Error = "You are not allowed to edit another user's comment.";
return(response);
}
if (comment.Deleted)
{
response.Error = "You cannot edit a deleted comment.";
return(response);
}
if (string.IsNullOrEmpty(command.Body))
{
response.Error = "A comment is required.";
return(response);
}
command.Body = command.Body.Trim();
List <string> oldMentions = null;
List <string> newMentions = null;
try
{
_markdownCompiler.Compile(comment.Body, out oldMentions);
}
catch (Exception ex)
{
_logger.Error("There was an errror compiling previous mentions for a comment edit.", ex);
}
var bodyFormatted = _markdownCompiler.Compile(command.Body, out newMentions);
_commentService.UpdateCommentBody(comment.Id, command.Body, bodyFormatted, command.DateEdited);
if (oldMentions != null && oldMentions.Count > 0)
{
// we have some mentions in our previous comment. let's see if they were removed
var removed = oldMentions.Except(newMentions).ToList();
if (removed.Count > 0)
{
_eventBus.Publish(new UsersUnmentioned
{
CommentId = comment.Id,
Users = removed
});
}
}
if (newMentions != null)
{
// the are some mentions in this comment.
// let's get only the new mentions that were previously in the comment
if (oldMentions != null && oldMentions.Count > 0)
{
newMentions = newMentions.Except(oldMentions).ToList();
}
if (newMentions.Count > 0)
{
_eventBus.Publish(new UsersMentioned
{
CommentId = comment.Id,
Users = newMentions
});
}
}
response.Body = command.Body;
response.FormattedBody = bodyFormatted;
}
catch (Exception ex)
{
response.Error = ex.Message;
}
Debug.WriteLine(DateTime.Now.ToLongTimeString() + ":Finished command..");
return(response);
}
public EditCommentResponse Handle(EditComment command)
{
Debug.WriteLine(DateTime.Now.ToLongTimeString() + ": Got command.");
var response = new EditCommentResponse();
try
{
var user = _membershipService.GetUserById(command.EditedBy);
if (user == null)
{
response.Error = "Invalid user.";
return(response);
}
var comment = _commentService.GetCommentById(command.CommentId);
if (comment == null)
{
response.Error = "Invalid comment.";
return(response);
}
// todo: permission check for admins?
if (comment.AuthorUserId != user.Id)
{
response.Error = "You are not allowed to edit another user's comment.";
return(response);
}
if (comment.Deleted)
{
response.Error = "You cannot edit a deleted comment.";
return(response);
}
if (string.IsNullOrEmpty(comment.Body))
{
response.Error = "A comment is required";
return(response);
}
comment.Body = command.Body.Trim();
List <string> oldMentions = null;
List <string> newMentions = null;
// todo: mentions
var bodyFormatted = _markdownCompiler.Compile(comment.Body);
_commentService.UpdateCommentBody(comment.Id, comment.Body, bodyFormatted, command.UpdatedAt);
// todo: mentions
response.Body = command.Body;
response.FormattedBody = bodyFormatted;
}
catch (Exception ex)
{
// todo: log
response.Error = ex.Message;
}
Debug.WriteLine(DateTime.Now.ToLongTimeString() + ": Finished command.");
return(response);
}
