source: src/main/java/com/project/beautycenter/web/AppointmentController.java

package com.project.beautycenter.web;

import com.project.beautycenter.model.*;
import com.project.beautycenter.service.*;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.List;

@Controller
public class AppointmentController {

    private final KlientiService klientiService;
    private final RezervacijaService rezervacijaService;
    private final UslugiService uslugiService;
    private final TerminiService terminiService;
    private final RezervacijaUslugiService rezervacijaUslugiService;
    private final UplataService uplataService;

    public AppointmentController(KlientiService klientiService, RezervacijaService rezervacijaService,
                                 UslugiService uslugiService, TerminiService terminiService, RezervacijaUslugiService rezervacijaUslugiService, UplataService uplataService) {
        this.klientiService = klientiService;
        this.rezervacijaService = rezervacijaService;
        this.uslugiService = uslugiService;
        this.terminiService = terminiService;
        this.rezervacijaUslugiService = rezervacijaUslugiService;
        this.uplataService = uplataService;
    }
    @GetMapping("/appointment")
    public String showListAppointments( Model model) {
        List<Rezervacija> rezervacii = this.rezervacijaService.listAll();
        List<Uslugi> uslugi = this.uslugiService.findAll();
        List<RezervacijaUslugi> rezUslugi = this.rezervacijaUslugiService.listAll();

        model.addAttribute("rezervacii",rezervacii);
        model.addAttribute("uslugi", uslugi);
        model.addAttribute("rezUslugi", rezUslugi);


        return "appointmentsList.html";
    }


    @GetMapping( "/makeAppointment")
    public String MakeAppointment(Model model) {
        List<Uslugi> uslugi = this.uslugiService.findAll();
        List<Klienti> klienti = this.klientiService.listAll();
        List<Termini> nerezTerm = this.terminiService.listAllNotReserved();

        model.addAttribute("uslugi", uslugi);
        model.addAttribute("klienti", klienti);
        model.addAttribute("nerezTerm",nerezTerm);
        return "appointment_form.html";
    }


    @GetMapping("/appointment/{id}/edit")
    public String showEdit(@PathVariable Integer id, Model model) {
        Rezervacija rezervacija = this.rezervacijaService.findbyId(id);
        List<Uslugi> uslugi = this.uslugiService.findAll();
        List<Termini> nerezTerm = this.terminiService.listAllNotReserved();

        List<Uslugi> rezerviraniUslugi = this.rezervacijaUslugiService.listAllByBrRez(rezervacija);
        model.addAttribute("rezerviraniUslugi",rezerviraniUslugi);
        model.addAttribute("rezervacija",rezervacija);
        model.addAttribute("uslugi", uslugi);
        model.addAttribute("nerezTerm",nerezTerm);

        return "editAppointment.html";
    }
    @PostMapping("/makeAppointment")
    public String create(@RequestParam List<String> uslugiIds,
                         @RequestParam Integer klientId,
                         @RequestParam  Integer terminId
                         ) {
        List<Uslugi> uslugi = this.uslugiService.findAllById(uslugiIds);
        Klienti klient = this.klientiService.findById(klientId);
        Rezervacija rezervacija = this.rezervacijaService.create(klientId,terminId,uslugi);
        return "redirect:/appointment";
    }
    @PostMapping("/appointment/{id}")
    public String update(@PathVariable Integer id,
                         @RequestParam List<String> uslugiIds,
                         @RequestParam Integer klientId,
                         @RequestParam  Integer terminId) {

        this.rezervacijaService.update(id, uslugiIds, klientId,terminId);

        return "redirect:/appointment";
    }
    @PostMapping({"/appointment/{id}/delete"})
    public String delete(@PathVariable Integer id) {

        this.rezervacijaService.delete(id);
        return "redirect:/appointment";
    }

    @GetMapping("/payment")
    public String showCreditCard() {
        return "creditCard_form.html";
    }

}