public async Task UpdatePostAsync(UpdatePostDTO dto)
{
var post = await FindPostAsync(dto.Post.Id);
var updatedPost = _mapper.Map <Post>(dto.Post);
//Update the values for the post
_mapper.Map(updatedPost, post);
//Update the users set to the given post.
foreach (var username in dto.UserNames)
{
var updateUserPostsDto = new UpdateUserPostsDTO {
UserName = username, PostIds = new int[] { post.Id }
};
await SetUserPostsAsync(updateUserPostsDto);
}
//Update the roles given to the post.
var modDto = new ModifyPostRolesDTO()
{
Id = dto.Post.Id, Roles = dto.Roles
};
await SetPostRolesAsync(modDto);
if (!await _postRepository.SaveAll())
{
throw new ApplicationException("Could not update the given post.");
}
}
public async Task <UserToReturnDTO> SetUserPostsAsync(UpdateUserPostsDTO dto)
{
var user = await _userManager.FindByNameAsync(dto.UserName);
if (user == null)
{
throw new ArgumentNullException(null, "Could not find a user with the given username.");
}
// Clear current post membership:
var currentPosts = await GetUserPostsAsync(user.Id);
foreach (var post in currentPosts)
{
post.Users
.Remove(post.Users
.FirstOrDefault(p => p.UserId == user.Id
));
}
if (currentPosts.Count() != 0)
{
if (!await _postRepository.SaveAll())
{
throw new ApplicationException("Something went wrong clearing the posts from the given user.");
}
}
// Add the user to the new posts:
foreach (var postId in dto.PostIds)
{
var newPost = await FindPostAsync(postId);
newPost.Users.Add(new UserPost
{
UserId = user.Id,
PostId = postId
});
}
if (!await _postRepository.SaveAll())
{
throw new ApplicationException("Something went wrong clearing the posts from the given user.");
}
return(await RefreshUserPostRolesAsync(user.Id));
}
public async Task <UserToReturnDTO> ClearUserFromPosts(string userName)
{
var user = await _userManager.FindByNameAsync(userName);
if (user == null)
{
throw new ApplicationException("Could not find a user with the given username.");
}
var dto = new UpdateUserPostsDTO {
UserName = userName, PostIds = new int[] {}
};
await SetUserPostsAsync(dto);
var userToReturn = _mapper.Map <UserToReturnDTO>(user);
return(userToReturn);
}
public async Task <IActionResult> AddUserToPosts(UpdateUserPostsDTO dto)
{
var updatedUser = await _postService.SetUserPostsAsync(dto);
return(Ok(updatedUser));
}
