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 PostDE CreatePost(PostDto postDto)
{
PostDE post = _mapper.Map <PostDE>(postDto);
if (!_userRepository.UserExists(postDto.CreatedBy))
{
throw new AppException("UserId " + postDto.CreatedBy + " does not exist");
}
post.PostId = new Guid();
post.CreatedOn = DateTime.Now;
post.isEdited = false;
if (postDto.CourseFolderId.Count > 0)
{
CreatePostFolder(postDto.PostId, postDto.CourseFolderId);
}
_context.tbl_db_post.Add(post);
_context.SaveChanges();
if (postDto.CourseFolderId != null)
{
CreatePostFolder(post.PostId, postDto.CourseFolderId);
}
return(post);
}
public UserDE Create(UserCreationDto user)
{
// default password when admin creates a user
if (string.IsNullOrWhiteSpace(user.Password))
{
user.Password = "******";
}
// validation
if (_context.tbl_user.Any(x => x.UserName == user.UserName))
{
throw new AppException("Username \"" + user.UserName + "\" is already taken");
}
if (user.Email != null)
{
if (_context.tbl_user.Any(x => x.Email == user.Email))
{
throw new AppException("Email \"" + user.Email + "\" is already taken");
}
}
if (user.PhoneNo == null)
{
if (_context.tbl_user.Any(x => x.PhoneNo == user.PhoneNo))
{
throw new AppException("Phone number \"" + user.PhoneNo + "\" is already taken");
}
}
byte[] passwordHash, passwordSalt;
CreatePasswordHash(user.Password, out passwordHash, out passwordSalt);
UserDE newUser = new UserDE
{
UserId = new Guid(),
UserName = user.UserName,
PasswordHash = passwordHash,
PasswordSalt = passwordSalt,
Email = user.Email,
PhoneNo = user.PhoneNo,
Role = user.Role
};
_context.tbl_user.Add(newUser);
_context.SaveChanges();
return(newUser);
}
public ChatDE SaveChat(ChatDto chatDto)
{
ChatDE chat = _mapper.Map <ChatDE>(chatDto);
chat.ChatId = new Guid();
chat.DateTime = DateTime.Now;
_context.tbl_chat.Add(chat);
_context.SaveChanges();
return(chat);
}
public CourseDE CreateCourse(CourseDto courseDto)
{
// validation
if (string.IsNullOrWhiteSpace(courseDto.CourseCode))
{
throw new AppException("Course Code is required");
}
if (_context.tbl_course.Any(x => x.CourseCode == courseDto.CourseCode))
{
throw new AppException("Course Code \"" + courseDto.CourseCode + "\" is unavailable");
}
UserDE user = _userRepository.GetUsers(new List <Guid>(new Guid[] { courseDto.CreatedBy })).FirstOrDefault();
if (user == null || string.Equals(user.Role, "student", StringComparison.OrdinalIgnoreCase))
{
throw new AppException("User \"" + courseDto.CreatedBy + "\" does not exist");
}
CourseDE course = new CourseDE();
course = _mapper.Map <CourseDto, CourseDE>(courseDto);
course.CourseId = new Guid();
course.CreatedOn = DateTime.Now;
_context.tbl_course.Add(course);
_context.SaveChanges();
return(course);
}
