ProjectManagementSystem.java

package org.lab;

import org.lab.repository.*;
import org.lab.service.*;

public record ProjectManagementSystem(
    UserService userService,
    ProjectService projectService,
    MilestoneService milestoneService,
    TicketService ticketService,
    BugReportService bugReportService,
    ProjectSummaryService projectSummaryService
) {
    public static ProjectManagementSystem withDefault() {
        var userRepository = new UserRepository();
        var projectRepository = new ProjectRepository();
        var milestoneRepository = new MilestoneRepository();
        var ticketRepository = new TicketRepository();
        var bugReportRepository = new BugReportRepository();
        
        var userService = new UserService(userRepository);
        var projectService = new ProjectService(projectRepository, userService);
        var milestoneService = new MilestoneService(milestoneRepository, ticketRepository, projectService);
        var ticketService = new TicketService(ticketRepository, milestoneRepository, projectService);
        var bugReportService = new BugReportService(bugReportRepository, projectService);
        var projectSummaryService = new ProjectSummaryService(
            projectService,
                ticketRepository,
                bugReportRepository,
                milestoneRepository
        );
        
        return new ProjectManagementSystem(
            userService,
            projectService,
            milestoneService,
            ticketService,
            bugReportService,
            projectSummaryService
        );
    }
}