public void Join(CircleJoinCommand command)
{
using (var transaction = new TransactionScope())
{
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "사용자를 찾지 못했음");
}
var id = new CircleId(command.CircleId);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new CircleNotFoundException(id, "서클을 찾지 못했음");
}
// 서클에 소속된 사용자가 서클장을 포함 30명 이하인지 확인
if (circle.Members.Count >= 29)
{
throw new CircleFullException(id);
}
// 가입 처리
circle.Members.Add(member);
circleRepository.Save(circle);
transaction.Complete();
}
}
public void Join(CircleJoinCommand command)
{
using (var transaction = new TransactionScope())
{
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "사용자를 찾지 못했음");
}
var id = new CircleId(command.CircleId);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new CircleNotFoundException(id, "서클을 찾지 못했음");
}
if (circle.IsFull())
{
throw new CircleFullException(id);
}
circle.Join(member);
circleRepository.Save(circle);
transaction.Complete();
}
}
public void Join(CircleJoinCommand command)
{
using (var transaction = new TransactionScope())
{
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "ユーザが見つかりませんでした。");
}
var id = new CircleId(command.CircleId);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new CircleNotFoundException(id, "サークルが見つかりませんでした。");
}
// サークルのオーナーを含めて３０名か確認
if (circle.Members.Count >= 29)
{
throw new CircleFullException(id);
}
// メンバーを追加する
circle.Members.Add(member);
circleRepository.Save(circle);
transaction.Complete();
}
}
public CircleGetResult Get(CircleGetCommand command)
{
var id = new CircleId(command.Id);
var circle = circleRepository.Find(id);
var data = new CircleData(circle);
return(new CircleGetResult(data));
}
public void Join(CircleJoinCommand command)
{
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new Exception("ユーザーが見つかりませんでした。");
}
var id = new CircleId(command.CircleId);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new Exception("サークルが見つかりませんでした。");
}
// FIXME ここの人数制限があとあと面倒になる、例えば Invite という関数をこのクラスに増やしたときには、このコードをコピペすることになり管理が面倒になってしまう。
if (circle.Members.Count >= 29)
{
throw new Exception(id.ToString());
}
circle.Members.Add(member);
circleRepository.Save(circle);
}
public CircleUpdateOutputData Handle(CircleUpdateInputData inputData)
{
using var transaction = new TransactionScope();
var id = new CircleId(inputData.Id);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new CircleNotFoundException(id);
}
if (inputData.Name != null)
{
var name = new CircleName(inputData.Name);
circle.ChangeName(name);
if (circleService.Exists(circle))
{
throw new CanNotRegisterCircleException(circle, "이미 등록된 서클임");
}
}
circleRepository.Save(circle);
transaction.Complete();
return(new CircleUpdateOutputData());
}
public CircleJoinOutputData Handle(CircleJoinInputData inputData)
{
using var transaction = new TransactionScope();
var memberId = new UserId(inputData.MemberId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "ユーザが見つかりませんでした。");
}
var id = new CircleId(inputData.CircleId);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new CircleNotFoundException(id, "サークルが見つかりませんでした。");
}
var fullSpec = new CircleFullSpecification(userRepository);
if (fullSpec.IsSatisfiedBy(circle))
{
throw new CircleFullException(id, "サークルに所属しているメンバーが上限に達しています。");
}
circle.Join(member, fullSpec);
circleRepository.Save(circle);
transaction.Complete();
return(new CircleJoinOutputData());
}
public void Join(CircleJoinCommand command)
{
var circleId = new CircleId(command.CircleId);
var circle = circleRepository.Find(circleId);
var users = userRepository.Find(circle.Members);
// 서클에 소속된 프리미엄 사용자의 수에 따라 최대 인원이 결정됨
var premiumUserNumber = users.Count(user => user.IsPremium);
var circleUpperLimit = premiumUserNumber < 10 ? 30 : 50;
if (circle.CountMembers() >= circleUpperLimit)
{
throw new CircleFullException(circleId);
}
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "사용자를 찾지 못했음");
}
circle.Join(member);
circleRepository.Save(circle);
}
public void Join(CircleJoinCommand command)
{
var circleId = new CircleId(command.CircleId);
var circle = circleRepository.Find(circleId);
var owner = userRepository.Find(circle.Owner);
var members = userRepository.Find(circle.Members);
var circleMembers = new CircleMembers(circle.Id, owner, members);
var circleFullSpec = new CircleMembersFullSpecification();
if (circleFullSpec.IsSatisfiedBy(circleMembers))
{
throw new CircleFullException(circleId);
}
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "사용자를 찾지 못했음");
}
circle.Join(member);
circleRepository.Save(circle);
}
public void Join(CircleJoinCommand command)
{
var circleId = new CircleId(command.CircleId);
var circle = circleRepository.Find(circleId);
var users = userRepository.Find(circle.Members);
// サークルに所属しているプレミアムユーザの人数により上限が変わる
var premiumUserNumber = users.Count(user => user.IsPremium);
var circleUpperLimit = premiumUserNumber < 10 ? 30 : 50;
if (circle.CountMembers() >= circleUpperLimit)
{
throw new CircleFullException(circleId);
}
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "ユーザが見つかりませんでした。");
}
circle.Join(member);
circleRepository.Save(circle);
}
public Task <Unit> Handle(CircleJoinMemberCommand command, CancellationToken cancellationToken)
{
using var transaction = new TransactionScope();
var circle = _circleRepository.Find(new CircleId(command.CircleId));
if (circle is null)
{
throw new CircleNotFoundException("サークルが見つかりませんでした。");
}
var user = _userRepository.Find(new UserId(command.UserId));
if (user is null)
{
throw new UserNotFoundException("追加対象のユーザーが見つかりませんでした。");
}
circle.Join(user);
_circleRepository.Save(circle);
transaction.Complete();
return(Task.FromResult(Unit.Value));
}
public CircleJoinOutputData Handle(CircleJoinInputData inputData)
{
using var transaction = new TransactionScope();
var memberId = new UserId(inputData.MemberId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "서클에 가입할 사용자를 찾지 못했음");
}
var id = new CircleId(inputData.CircleId);
var circle = circleRepository.Find(id);
if (circle == null)
{
throw new CircleNotFoundException(id, "가입할 서클을 찾지 못했음");
}
var fullSpec = new CircleFullSpecification(userRepository);
if (fullSpec.IsSatisfiedBy(circle))
{
throw new CircleFullException(id, "서클에 소속 가능한 최대 인원을 초과함");
}
circle.Join(member, fullSpec);
circleRepository.Save(circle);
transaction.Complete();
return(new CircleJoinOutputData());
}
public CircleGetRecommendResult GetRecommend(CircleGetRecommendRequest request)
{
var circleRecommendSpecification = new CircleRecommendSpecification(now);
// リポジトリに仕様を引き渡して抽出（フィルタリング）
var recommendCircles = circleRepository.Find(circleRecommendSpecification)
.Take(10)
.ToList();
return(new CircleGetRecommendResult(recommendCircles));
}
public CircleGetRecommendResult GetRecommend(CircleGetRecommendRequest request)
{
var circleRecommendSpecification = new CircleRecommendSpecification(now);
// 리포지토리에 명세를 전달해 추천 서클을 추려냄(필터링)
var recommendCircles = circleRepository.Find(circleRecommendSpecification)
.Take(10)
.ToList();
return(new CircleGetRecommendResult(recommendCircles));
}
public Task <CircleGetOutputData> Handle(CircleGetCommand command, CancellationToken cancellationToken)
{
var data = _circleRepository.Find(new CircleId(command.Id));
if (data is null)
{
throw new CircleNotFoundException($"IDが { command.Id } のサークルが見つかりませんでした");
}
var circle = new CircleData(data.Id.Value, data.Name.Value, data.Owner.Value, data.Members.Select(x => x.Value).ToList());
return(Task.FromResult(new CircleGetOutputData(circle)));
}
public CircleGetOutputData Handle(CircleGetInputData inputData)
{
var id = new CircleId(inputData.Id);
var circle = circleRepository.Find(id);
var data = new CircleData(
circle.Id.Value,
circle.Name.Value,
circle.Owner?.Value,
circle.Members.Select(x => x.Value).ToList()
);
return(new CircleGetOutputData(data));
}
public CircleGetCandidatesOutputData Handle(CircleGetCandidatesInputData inputData)
{
var circleId = new CircleId(inputData.CircleId);
var circle = circleRepository.Find(circleId);
var members = circle.Members.Concat(new[] { circle.Owner }).ToHashSet();
var candidates = userRepository.FindAll()
.Where(x => !members.Contains(x.Id))
.Skip((inputData.Page - 1) * inputData.Size)
.Take(inputData.Size);
var candidatesData = candidates.Select(toUserData).ToList();
return(new CircleGetCandidatesOutputData(candidatesData));
}
public CircleGetCandidatesResult GetCandidates(CircleGetCandidatesCommand command)
{
var circleId = new CircleId(command.CircleId);
var circle = circleRepository.Find(circleId);
var members = circle.Members.Concat(new[] { circle.Owner }).ToHashSet();
var candidates = userRepository.FindAll()
.Where(x => !members.Contains(x.Id))
.Skip((command.Page - 1) * command.Size)
.Take(command.Size);
var candidatesData = candidates.Select(x => new UserData(x)).ToList();
return(new CircleGetCandidatesResult(candidatesData));
}
public Task <Unit> Handle(CircleDeleteCommand request, CancellationToken cancellationToken)
{
using var transaction = new TransactionScope();
var circle = _circleRepository.Find(new CircleId(request.UserId));
if (circle != null)
{
_circleRepository.Delete(circle);
}
transaction.Complete();
return(Task.FromResult(Unit.Value));
}
public void Join(CircleJoinCommand command)
{
using var transaction = new TransactionScope();
var circleId = new CircleId(command.CircleId);
var circle = _circleRepository.Find(circleId);
if (circle == null)
{
throw new CircleNotFoundException(circleId, "サークルが見つかりませんでした。");
}
// 複雑な仕様：対処方法その１
// var circleFullSpecification = new CircleFullSpecification(_userRepository);
// if (circleFullSpecification.IsSatisfiedBy(circle))
// {
// throw new CircleFullException(circle.Id);
// }
// 複雑な仕様：対処方法その２
// ファーストコレクションクラスを利用する場合
// ドメインオブジェクトで userRepository を使わずに済む（入出力をドメインオブジェクトから排除できた）
var owner = _userRepository.Find(circle.Owner);
var members = _userRepository.Find(circle.Members);
var circleMembers = new CircleMembers(circle.Id, owner, members);
var circleMembersFullSpecification = new CircleMembersFullSpecification();
if (circleMembersFullSpecification.IsSatisfiedBy(circleMembers))
{
throw new CircleFullException(circleId);
}
var memberId = new UserId(command.UserId);
var member = _userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "ユーザーが見つかりませんでした。");
}
circle.Join(member);
_circleRepository.Save(circle);
transaction.Complete();
}
public CircleDeleteOutputData Handle(CircleDeleteInputData inputData)
{
using var transaction = new TransactionScope();
var id = new CircleId(inputData.Id);
var circle = circleRepository.Find(id);
if (circle == null)
{
return(new CircleDeleteOutputData());
}
circleRepository.Delete(circle);
transaction.Complete();
return(new CircleDeleteOutputData());
}
public Task <Unit> Handle(CircleUpdateCommand command, CancellationToken cancellationToken)
{
using var transaction = new TransactionScope();
var circle = _circleRepository.Find(new CircleId(command.Id));
if (command.Name != null)
{
circle.ChangeName(new CircleName(command.Name));
if (_circleService.Exists(circle))
{
throw new CanNotCircleRegisterException($"{ command.Name } は既に存在します。");
}
}
_circleRepository.Save(circle);
transaction.Complete();
return(Task.FromResult(Unit.Value));
}
public void JoinUser(string circleId, string userId)
{
using (var transaction = new TransactionScope()) {
var targetCircleId = new CircleId(circleId);
var targetCircle = circleRepository.Find(targetCircleId);
if (targetCircle == null)
{
throw new Exception("circle not found. circleId: " + circleId);
}
var joinUserId = new UserId(userId);
var joinUser = userRepository.Find(joinUserId);
if (joinUser == null)
{
throw new Exception("user not found. userId: " + userId);
}
targetCircle.Join(joinUser); // targetCircle.Users.Add(joinUser); とは書けなくなりました
circleRepository.Save(targetCircle);
transaction.Complete();
}
}
public void Join(CircleJoinCommand command)
{
var circleId = new CircleId(command.CircleId);
var circle = circleRepository.Find(circleId);
var circleFullSpecification = new CircleFullSpecification(userRepository);
if (circleFullSpecification.IsSatisfiedBy(circle))
{
throw new CircleFullException(circleId);
}
var memberId = new UserId(command.UserId);
var member = userRepository.Find(memberId);
if (member == null)
{
throw new UserNotFoundException(memberId, "ユーザが見つかりませんでした。");
}
circle.Join(member);
circleRepository.Save(circle);
}
public bool Exists(Circle circle)
{
var duplicated = circleRepository.Find(circle.Name);
return(duplicated != null);
}
public CircleGetCandidatesResult GetCandidates(CircleGetCandidatesCommand command)
{
var circleId = new CircleId(command.CircleId);
var circle = circleRepository.Find(circleId);
if (circle == null)
{
throw new CircleNotFoundException(circleId);
}
using (var sqlCommand = provider.Connection.CreateCommand())
{
var parameterNames = circle.Members.Select((_, i) => "@member" + i).ToList();
var selectQuery = new StringBuilder(@" SELECT * FROM users");
var appendWhere = false;
if (circle.ExistsOwner())
{
selectQuery.Append(" WHERE id <> @ownerId");
appendWhere = true;
}
if (parameterNames.Any())
{
var inParameters = string.Join(",", parameterNames);
var inPhrase = new StringBuilder();
if (appendWhere)
{
inPhrase.Append(" AND");
}
inPhrase.Append($" id NOT IN ({inParameters})");
if (!appendWhere)
{
selectQuery.Append(" WHERE");
appendWhere = true;
}
selectQuery.Append(inPhrase);
}
selectQuery.Append(@"
ORDER BY id
OFFSET @skip ROWS
FETCH NEXT @size ROWS ONLY
");
sqlCommand.CommandText = selectQuery.ToString();
if (circle.ExistsOwner())
{
sqlCommand.Parameters.Add(new SqlParameter("@ownerId", circle.Owner.Value));
}
foreach (var tpl in circle.Members.Zip(parameterNames, (memberId, parameter) => new { memberId, parameter }))
{
sqlCommand.Parameters.Add(new SqlParameter(tpl.parameter, tpl.memberId.Value));
}
var page = command.Page;
var size = command.Size;
sqlCommand.Parameters.Add(new SqlParameter("@skip", (page - 1) * size));
sqlCommand.Parameters.Add(new SqlParameter("@size", size));
using (var reader = sqlCommand.ExecuteReader())
{
var members = new List <UserData>();
while (reader.Read())
{
var id = (string)reader["id"];
var name = (string)reader["name"];
var data = new UserData(id, name);
members.Add(data);
}
return(new CircleGetCandidatesResult(members));
}
}
}
public bool Exists(Circle circle)
{
var target = circleRepository.Find(circle.Name);
return(target != null);
}