public async Task <IEnumerable <PostViewModel> > Handle(ForwardPostsCommand request, CancellationToken cancellationToken)
{
// 被转发的帖子对象list
var toBeForwardedPosts = await _postRepository.GetPostsAsync(request.ForwardPostIds);
// 被转发的帖子转发过的原始帖子对象list
var originalPosts = await _postRepository.GetPostsAsync(toBeForwardedPosts.Where(p => p.ForwardedPostId != null).Select(p => p.ForwardedPostId.Value).ToList());
var myId = Guid.Parse(_httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier).Value);
var me = await _userRepository.GetByIdAsync(myId);
var posts = new List <Domain.AggregatesModel.PostAggregate.Post>();
toBeForwardedPosts.ForEach(toBeForwardedPost =>
{
// 创建新帖子
var score = (DateTime.Now - DateTime.UnixEpoch.AddSeconds(me.CreatedTime)).TotalHours <= _scoreRewardSettings.NewUserHour ? me.PostScore + _scoreRewardSettings.NewUserPost : me.PostScore;
var post = Domain.AggregatesModel.PostAggregate.Post.CreatePost(request.Text, request.Commentable, request.ForwardType, request.ShareType,
request.Visibility, request.ViewPassword, request.SystemTag, request.PublicTags, request.PrivateTag, null, request.Latitude, request.Longitude, request.LocationName,
request.Address, request.CityCode, request.FriendIds, null, score, myId, request.ShowOriginalText);
post.SetForwardPostId(toBeForwardedPost);
_postRepository.Add(post);
posts.Add(post);
// 增加被转发帖子的转发数和积分
toBeForwardedPost.IncreaseForwardCount(_scoreRewardSettings.ForwardPost);
// 被转发帖子是转发贴时，还要增加原始帖的转发数和积分
if (toBeForwardedPost.ForwardedPostId != null)
{
var originalPost = originalPosts.FirstOrDefault(p => p.Id == toBeForwardedPost.ForwardedPostId.Value);
originalPost.IncreaseForwardCount(_scoreRewardSettings.ForwardPost);
}
});
if (await _postRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken))
{
var forwardInfos = new List <ForwardInfo>();
foreach (var post in posts)
{
var forwardedPost = toBeForwardedPosts.FirstOrDefault(p => p.Id == post.ForwardedPostId.Value);
if (forwardedPost == null)
{
forwardedPost = originalPosts.FirstOrDefault(p => p.Id == post.ForwardedPostId.Value);
}
// 如果帖子为审核通过，取得新帖和被转发帖中被@的用户id以便发送被@通知
IEnumerable <Guid> atUserIds = new List <Guid>();
if (post.PostAuthStatus == PostAuthStatus.Authenticated)
{
atUserIds = await _postQueries.GetAtUserIdsAsync(post);
}
forwardInfos.Add(new ForwardInfo
{
ForwardUserId = myId,
OriginalPostUserId = forwardedPost.UserId,
OriginalPostId = post.ForwardedPostId.Value,
NewPostId = post.Id,
AtUserIds = atUserIds
});
}
await SendPostForwardedEventAsync(forwardInfos);
}
return(await _postQueries.GetPostsAsync(posts.Select(p => p.Id).ToList()));
}
public async Task <IActionResult> GetPosts(Guid blogId)
{
var posts = await postQueries.GetPostsAsync(blogId);
return(Ok(posts));
}