public async Task <bool> Handle(FollowEachOtherCommand request, CancellationToken cancellationToken)
{
var anotherUserId = await _userRepository.GetUserIdByCodeAsync(request.InvitingUserCode);
if (anotherUserId != null)
{
var userId = Guid.Parse(request.UserId);
var relation1 = new UserRelation(userId, anotherUserId.Value);
var relation2 = new UserRelation(anotherUserId.Value, userId);
relation1.Follow();
relation2.Follow();
_userRelationRepository.Add(relation1);
_userRelationRepository.Add(relation2);
return(await _userRelationRepository.UnitOfWork.SaveEntitiesAsync());
}
return(false);
}
public async Task <bool> Handle(FollowCommand request, CancellationToken cancellationToken)
{
var ur = await _userRelationRepository.GetUserRelationAsync(request.FollowerId, request.FollowedUserId);
if (ur == null)
{
ur = new UserRelation(request.FollowerId, request.FollowedUserId);
_userRelationRepository.Add(ur);
return(await _userRelationRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken));
}
return(true);
}
public async Task <bool> Handle(ToggleUserFollowCommand request, CancellationToken cancellationToken)
{
var isFollow = false;
var ur = await _userRelationRepository.GetAsync(request.FollowerId, request.UserIdToFollow);
if (ur == null)
{
ur = new UserRelation(request.FollowerId, request.UserIdToFollow);
ur.Follow();
_userRelationRepository.Add(ur);
isFollow = true;
}
else
{
if (ur.Followed)
{
ur.UnFollow();
}
else
{
isFollow = true;
ur.Follow();
}
}
var result = await _userRelationRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken);
if (result)
{
if (isFollow)
{
await SendUserFollowedEventAsync(request.FollowerId, request.UserIdToFollow);
}
else
{
await SendUserUnFollowedEventAsync(request.FollowerId, request.UserIdToFollow);
}
// 返回被关注者是否关注了我
ur = await _userRelationRepository.GetAsync(request.UserIdToFollow, request.FollowerId);
return(ur?.Followed ?? false);
}
throw new ApplicationException("操作失败");
}
public async Task <bool> Handle(MuteUserCommand request, CancellationToken cancellationToken)
{
var claim = _httpContextAccessor.HttpContext.User.FindFirst(ClaimTypes.NameIdentifier);
var myId = claim == null ? Guid.Empty : Guid.Parse(claim.Value);
var userRelation = await _userRelationRepository.GetAsync(myId, request.UserId);
if (request.Muted)
{
if (userRelation == null)
{
userRelation = new UserRelation(myId, request.UserId);
_userRelationRepository.Add(userRelation);
}
userRelation.Mute();
}
else if (userRelation != null)
{
userRelation.UnMute();
}
return(await _userRelationRepository.UnitOfWork.SaveEntitiesAsync(cancellationToken));
}
public void Add(UserRelation ur)
{
_userRelationRepository.Add(ur);
}
public void Create(UserRelation ur)
{
_userRelationRepository.Add(ur);
_userRelationRepository.Commit();
}