public async Task <IActionResult> Post(
int id,
[FromQuery(Name = "token")] string token)
{
ModelResult <UserFollowInfo> result = TokenUtils.CheckToken <UserFollowInfo>(token, _context);
if (result != null)
{
return(BadRequest(result));
}
Session sessionResult = await _context.Sessions
.FirstOrDefaultAsync(s => s.SessionToken == token);
User follower = await _context.Users
.FirstOrDefaultAsync(u => u.UserId == sessionResult.SessionUserId);
UserFollow userFollowResult = await _context.UserFollows
.FirstOrDefaultAsync(uf => uf.FollowingId == id &&
uf.FollowerId == sessionResult.SessionUserId);
if (userFollowResult != null)
{
result = new ModelResult <UserFollowInfo>(400, null, "User Followed");
return(BadRequest(result));
}
User following = await _context.Users
.FirstOrDefaultAsync(u => u.UserId == id);
if (following == null)
{
result = new ModelResult <UserFollowInfo>(404, null, "User Not Exists");
return(BadRequest(result));
}
UserFollow userFollow = new UserFollow
{
Follower = follower,
FollowerId = follower.UserId,
Following = following,
FollowingId = following.UserId
};
_context.Add(userFollow);
await _context.SaveChangesAsync();
await NoticeUtils.CreateFollowNotice(userFollow, _context);
result = new ModelResult <UserFollowInfo>(201, null, "Add Follow Success");
return(Ok(result));
}