public LikePostReturn UnlikePost(int postId, string currUserId)
{
LikePostReturn ret = new LikePostReturn();
ret.IsActionSucceed = true;
ret.IsLiked = false;
UserPostLike uLike = _dbEntitySet.Where(f => f.UserInfoId == currUserId && f.PostId == postId).FirstOrDefault();
if (uLike != null)
{
_dbEntitySet.Remove(uLike);
Post pst = _context.Set <Post>().AsNoTracking().FirstOrDefault(p => p.Id == postId);
int[] gps = _context.SetChild <GroupPost>().Where(p => p.PostId == postId).Select(f => f.GroupId).ToArray();
List <UserGroup> ugs = _context.SetChild <UserGroup>().Where(p => gps.Contains(p.GroupId) && p.UserId == pst.UserInfoId).ToList();
foreach (var item in ugs)
{
item.UserReputationInGroup -= 10;
_context.GetChildDbEntityEntrySafely <UserGroup>(item).State = EntityState.Modified;
}
if (!(_context.SaveChanges() <= 0))
{
int[] prevLikes = _userLikesCacheService.GetUserLikedPostsIds(currUserId);
prevLikes = prevLikes.Where(val => val != postId).ToArray();
_userLikesCacheService.SetUserLikedPostsIds(currUserId, prevLikes, 30);
}
}
ret.PostAuthorId = _postSet.Where(p => p.Id == postId).Select(p => p.UserInfoId).FirstOrDefault();
return(ret);
}
public IActionResult LikePost([FromBody] PostIdModel model)
{
var user = HttpContext.User;
LikePostReturn ret = new LikePostReturn();
try
{
Claim idClaim = User.FindFirst("sub");
Claim userNameClaim = User.FindFirst("nickname");
if (idClaim == null)
{
ret.ErrorInformation.ErrorType = ErrorType.RedirectAuth;
ret.ErrorInformation.RedirectUrl = "";
ret.IsActionSucceed = false;
return(Ok(Json(ret)));
}
string userId = idClaim.Value;
ret = _postActionService.LikePost(model.PostId, userId);
if (ret.IsActionSucceed)
{
_eventBus.Publish <UserPostFavouritedAction>(new UserPostFavouritedAction()
{
UserId = userId,
PostId = model.PostId,
PostAuthorId = ret.PostAuthorId,
DateUtcAction = DateTime.UtcNow,
Username = userNameClaim.Value
}, "#");
}
return(Ok(Json(ret)));
}
catch (Exception)
{
ret.ErrorInformation.ErrorType = ErrorType.NoAction;
ret.ErrorInformation.UserInformation = "Sorry, an error occured!";
ret.IsActionSucceed = false;
return(Ok(Json(ret)));
}
}
public LikePostReturn LikePost(int postId, string currUserId)
{
LikePostReturn ret = new LikePostReturn
{
IsLiked = true,
IsActionSucceed = true
};
UserPostLike rel = _dbEntitySet.FirstOrDefault(f => f.UserInfoId == currUserId && f.PostId == postId);
if (rel == null)
{
_dbEntitySet.Add(new UserPostLike()
{
PostId = postId,
UserInfoId = currUserId,
DateUtcLiked = DateTime.UtcNow
});
Post pst = _context.Set <Post>().AsNoTracking().FirstOrDefault(p => p.Id == postId);
int[] gps = _context.SetChild <GroupPost>().Where(p => p.PostId == postId).Select(f => f.GroupId).ToArray();
List <UserGroup> ugs = _context.SetChild <UserGroup>().Where(p => gps.Contains(p.GroupId) && p.UserId == pst.UserInfoId).ToList();
foreach (var item in ugs)
{
item.UserReputationInGroup += 10;
_context.GetChildDbEntityEntrySafely <UserGroup>(item).State = EntityState.Modified;
}
if (!(_context.SaveChanges() <= 0))
{
ret.IsActionSucceed = true;
int[] prevLikes = _userLikesCacheService.GetUserLikedPostsIds(currUserId);
prevLikes = prevLikes.Append(postId).ToArray();
_userLikesCacheService.SetUserLikedPostsIds(currUserId, prevLikes, 30);
}
}
ret.PostAuthorId = _postSet.Where(p => p.Id == postId).Select(p => p.UserInfoId).FirstOrDefault();
return(ret);
}
