private string GetChannelPostText(Comment comment)
{
var course = courseManager.GetCourse(comment.CourseId);
var slide = course.FindSlideById(comment.SlideId);
if (slide == null)
return "";
var slideTitle = $"{MakeNestedQuotes(course.Title)}: {MakeNestedQuotes(slide.Title)}";
var url = "https://ulearn.me/Course/" + comment.CourseId + "/" + slide.Url + "#comment-" + comment.Id;
var text = $"*{EscapeMarkdown(comment.Author.VisibleName)} â «{EscapeMarkdown(slideTitle)}»*\n{EscapeMarkdown(comment.Text.Trim())}\n\n{EscapeMarkdown(url)}";
return text;
}
public async Task PostToChannel(Comment comment)
{
try
{
if (string.IsNullOrWhiteSpace(token))
return;
var api = new Telegram.Bot.TelegramBotClient(token);
var text = GetChannelPostText(comment);
await api.SendTextMessageAsync(channel, text, parseMode: ParseMode.Markdown, disableWebPagePreview: true);
}
catch (Exception e)
{
log.Error(e);
ErrorLog.GetDefault(HttpContext.Current).Log(new Error(e));
}
}
public int GetCommentLikesCount(Comment comment)
{
return db.CommentLikes.Count(x => x.CommentId == comment.Id);
}
public IEnumerable<ApplicationUser> GetCommentLikers(Comment comment)
{
return GetCommentLikes(comment).Select(x => x.User);
}
public IEnumerable<CommentLike> GetCommentLikes(Comment comment)
{
return db.CommentLikes.Where(x => x.CommentId == comment.Id);
}
private bool CanEditAndDeleteComment(IPrincipal user, Comment comment)
{
return user.HasAccessFor(comment.CourseId, CourseRole.Instructor) ||
user.Identity.GetUserId() == comment.AuthorId;
}