HashtagsXRep/hashtagsxrep

package cat.xarxarepublicana.hashtagsxrep.application.poll;

import cat.xarxarepublicana.hashtagsxrep.domain.invite.InviteGroup;
import cat.xarxarepublicana.hashtagsxrep.domain.invite.InviteRepository;
import cat.xarxarepublicana.hashtagsxrep.domain.notice.NoticeRepository;
import cat.xarxarepublicana.hashtagsxrep.domain.notice.ProposalSavedNotice;
import cat.xarxarepublicana.hashtagsxrep.domain.poll.PollRepository;
import cat.xarxarepublicana.hashtagsxrep.domain.poll.Proposal;
import cat.xarxarepublicana.hashtagsxrep.domain.poll.ProposalFactory;
import cat.xarxarepublicana.hashtagsxrep.domain.user.User;

public class PollProposalUseCase {

  private final PollRepository pollRepository;
  private final ProposalFactory proposalFactory;
  private final InviteRepository inviteRepository;
  private final NoticeRepository noticeRepository;

  public PollProposalUseCase(
      PollRepository pollRepository,
      ProposalFactory proposalFactory,
      InviteRepository inviteRepository,
      NoticeRepository noticeRepository) {
    this.pollRepository = pollRepository;
    this.proposalFactory = proposalFactory;
    this.inviteRepository = inviteRepository;
    this.noticeRepository = noticeRepository;
  }

  public PollProposalResponse pollProposal(String pollId, User user, String hashtag, String subject) {
    InviteGroup inviteGroup = inviteRepository.loadInvitesForPoll(pollId);
    if (!inviteGroup.isInvited(user)) {
      return new PollProposalResponse(false, "No pots proposar hashtags");
    }
    Proposal userProposal = pollRepository.findProposal(pollId, user.getId());
    String wasRejectedBy = null;
    if (userProposal != null) {
      wasRejectedBy = userProposal.getCancelationReason() != null ? userProposal.getModeratorNickname() : null;
      userProposal.update(hashtag, subject);
    } else {
      userProposal = proposalFactory.create(pollId, user.getId(), user.getNickname(), hashtag, subject);
    }
    pollRepository.saveProposal(userProposal);
    noticeRepository.publishProposalSavedNotice(new ProposalSavedNotice(user.getNickname(), hashtag, wasRejectedBy));
    return new PollProposalResponse(true, null);
  }

  public static class PollProposalResponse {
    private final Boolean saved;
    private final String reason;

    public PollProposalResponse(boolean saved, String reason) {
      this.saved = saved;
      this.reason = reason;
    }

    public Boolean getSaved() {
      return saved;
    }

    public String getReason() {
      return reason;
    }
  }
}