public ContentDE AddContent(ContentDto contentDto)
{
ContentDE content = _mapper.Map <ContentDE>(contentDto);
if (!_courseRepository.CourseExists(contentDto.CourseId))
{
throw new AppException("CourseId does not exist");
}
UserDE user = _userRepository.GetUser(contentDto.CreatedBy);
if (user == null || !user.Role.Equals("lecturer", StringComparison.OrdinalIgnoreCase))
{
throw new AppException("Staff " + contentDto.CreatedBy + " does not exist");
}
if (!String.IsNullOrEmpty(contentDto.FileName) && String.IsNullOrEmpty(contentDto.Url))
{
throw new AppException("Url is empty for " + contentDto.FileName);
}
content.ContentId = new Guid();
content.CreatedOn = DateTime.Now;
_context.tbl_content.Add(content);
_context.SaveChanges();
return(content);
}
public void DeleteContent(Guid contentId)
{
ContentDE content = _context.tbl_content.Where(x => x.ContentId == contentId).FirstOrDefault();
if (content == null)
{
throw new AppException("ContentId does not exist");
}
_context.tbl_content.Remove(content);
_context.SaveChanges();
}
public void UpdateContent(ContentDto contentDto)
{
ContentDE content = _context.tbl_content.Where(x => x.ContentId == contentDto.ContentId).FirstOrDefault();
if (content == null)
{
throw new AppException("ContentId does not exist");
}
if (!String.IsNullOrEmpty(contentDto.FileName) && String.IsNullOrEmpty(contentDto.Url))
{
throw new AppException("Url is empty for " + contentDto.FileName);
}
if (contentDto.Datetime > DateTime.MinValue)
{
content.Datetime = contentDto.Datetime;
}
if (!String.IsNullOrEmpty(contentDto.Title))
{
content.Title = contentDto.Title;
}
if (!String.IsNullOrEmpty(contentDto.Description))
{
content.Description = contentDto.Description;
}
if (!String.IsNullOrEmpty(contentDto.FileName))
{
content.FileName = contentDto.FileName;
}
if (!String.IsNullOrEmpty(contentDto.Url))
{
content.url = contentDto.Url;
}
_context.tbl_content.Update(content);
}
