public async Task <bool> CheckPostTopicAndParentId(PostCommentData err, ForumContext context)
{
if (!int.TryParse(TopicId, out int topicId))
{
err.TopicId = "Topic id is incorrect";
return(false);
}
else if (await context.GetTopicById(topicId) == null)
{
err.TopicId = "Topic doesn't exist";
return(false);
}
else if (ParentCommentId != null)
{
if (!int.TryParse(ParentCommentId, out int parentCommentId))
{
err.ParentCommentId = "Parent comment id is incorrect";
return(false);
}
else if (await context.GetCommentInTopic(topicId, parentCommentId) == null)
{
err.ParentCommentId = "Comment doesn't exist or doesn't belong to topic";
return(false);
}
}
return(true);
}
public async Task <bool> CheckPostData(PostCommentData err, ForumContext context)
{
var checkText = CheckPostText(err);
var checkTopicAndParentId = await CheckPostTopicAndParentId(err, context);
return(checkTopicAndParentId && checkText);
}
public bool CheckPostText(PostCommentData err)
{
if (Text == "")
{
err.Text = "Text is required";
return(false);
}
else if (Text.Length >= 1000)
{
err.Text = "Text is too long";
return(false);
}
return(true);
}