import { CommandHandler, ICommandHandler } from '@nestjs/cqrs';
import { AddProjectMemberCommand } from './add-project-member.command';
import { CommandResult, ack } from './command-result';
import { WriteAccess } from './write-access';

@CommandHandler(AddProjectMemberCommand)
export class AddProjectMemberCommandHandler
  implements ICommandHandler<AddProjectMemberCommand>
{
  constructor(private readonly access: WriteAccess) {}

  async execute(command: AddProjectMemberCommand): Promise<CommandResult> {
    const project = await this.access.project(command.projectId);
    await this.access.assertKnownActiveUser(
      command.userId,
      command.accessToken,
    );
    project.addMember(command.actorId, command.userId, command.role);
    await project.commitAndWait();
    return ack(project);
  }
}