public static string PicturePageUrl(this UserSettings settings, Guid contentGuid)
        {
            var db = Db.Context().Result;

            var possiblePhotoContent = db.PhotoContents.SingleOrDefault(x => x.ContentId == contentGuid);

            if (possiblePhotoContent != null)
            {
                return(settings.PhotoPageUrl(possiblePhotoContent));
            }

            var possibleImageContent = db.ImageContents.SingleOrDefault(x => x.ContentId == contentGuid);

            if (possibleImageContent != null)
            {
                return(settings.ImagePageUrl(possibleImageContent));
            }

            return(string.Empty);
        }
        public static async Task <string> ContentUrl(this UserSettings settings, Guid toLink)
        {
            var db = await Db.Context();

            var possiblePost = await db.PostContents.SingleOrDefaultAsync(x => x.ContentId == toLink);

            if (possiblePost != null)
            {
                return(settings.PostPageUrl(possiblePost));
            }

            var possibleFile = await db.FileContents.SingleOrDefaultAsync(x => x.ContentId == toLink);

            if (possibleFile != null)
            {
                return(settings.FilePageUrl(possibleFile));
            }

            var possiblePhoto = await db.PhotoContents.SingleOrDefaultAsync(x => x.ContentId == toLink);

            if (possiblePhoto != null)
            {
                return(settings.PhotoPageUrl(possiblePhoto));
            }

            var possibleImage = await db.ImageContents.SingleOrDefaultAsync(x => x.ContentId == toLink);

            if (possibleImage != null)
            {
                return(settings.ImagePageUrl(possibleImage));
            }

            var possibleNote = await db.NoteContents.SingleOrDefaultAsync(x => x.ContentId == toLink);

            if (possibleNote != null)
            {
                return(settings.NotePageUrl(possibleNote));
            }

            return(string.Empty);
        }