Restaurant

Model.java

 package com.example.restaurant.model;

import jakarta.persistence.*;

@Entity

@Table(name = "Menu_2797212")

public class Model {

    @Id

    @Column(name = "menuid", nullable = false, unique = true)

    private String menuId;

    @Column(name = "menuname", nullable = false)

    private String menuName;

    @Column(name = "description")

    private String description;

    @Column(name = "category", nullable = false)

    private String category;

    @Column(name = "type", nullable = false)

    private String type;

    @Column(name = "cost", nullable = false)

    private double cost;

    @Column(name = "status", nullable = false)

    private String status;

    // Constructors

    public Model() {}

    public Model(String menuId, String menuName, String description, String category, String type, double cost, String status) {

        this.menuId = menuId;

        this.menuName = menuName;

        this.description = description;

        this.category = category;

        this.type = type;

        this.cost = cost;

        this.status = status;

    }

    // Getters and Setters

    public String getMenuId() { return menuId; }

    public void setMenuId(String menuId) { this.menuId = menuId; }

    public String getMenuName() { return menuName; }

    public void setMenuName(String menuName) { this.menuName = menuName; }

    public String getDescription() { return description; }

    public void setDescription(String description) { this.description = description; }

    public String getCategory() { return category; }

    public void setCategory(String category) { this.category = category; }

    public String getType() { return type; }

    public void setType(String type) { this.type = type; }

    public double getCost() { return cost; }

    public void setCost(double cost) { this.cost = cost; }

    public String getStatus() { return status; }

    public void setStatus(String status) { this.status = status; }

}

Repository.java

package com.example.restaurant.repository;

import org.springframework.data.jpa.repository.JpaRepository;

import com.example.restaurant.model.Model;

public interface Repository extends JpaRepository<Model, String> {

}

Service.class

package com.example.restaurant.service;

import com.example.restaurant.model.Model;

import com.example.restaurant.repository.Repository;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import java.util.List;

import java.util.Optional;

@Service

public class Service {

    @Autowired

    private Repository repository;

    public List<Model> getAllItems() {

        return repository.findAll();

    }

    public Model getItemById(String menuId) {

        return repository.findById(menuId).orElse(null);

    }

    public Model createItem(Model model) {

        return repository.save(model);

    }

    public Model updateItem(String menuId, Model updatedModel) {

        Optional<Model> optional = repository.findById(menuId);

        if (optional.isPresent()) {

            Model existing = optional.get();

            existing.setMenuName(updatedModel.getMenuName());

            existing.setDescription(updatedModel.getDescription());

            existing.setCategory(updatedModel.getCategory());

            existing.setType(updatedModel.getType());

            existing.setCost(updatedModel.getCost());

            existing.setStatus(updatedModel.getStatus());

            return repository.save(existing);

        }

        return null;

    }

    public void deleteItem(String menuId) {

        repository.deleteById(menuId);

    }

}

Controller.java

package com.example.restaurant.controller;

import com.example.restaurant.model.Model;

import com.example.restaurant.service.Service;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController

@RequestMapping("/api/menu")

@CrossOrigin(origins = "http://localhost:4200") // For Angular

public class Controller {

    @Autowired

    private Service service;

    @GetMapping

    public List<Model> getAllItems() {

        return service.getAllItems();

    }

    @GetMapping("/{menuId}")

    public Model getItemById(@PathVariable String menuId) {

        return service.getItemById(menuId);

    }

    @PostMapping

    public Model createItem(@RequestBody Model model) {

        return service.createItem(model);

    }

    @PutMapping("/{menuId}")

    public Model updateItem(@PathVariable String menuId, @RequestBody Model model) {

        return service.updateItem(menuId, model);

    }

    @DeleteMapping("/{menuId}")

    public void deleteItem(@PathVariable String menuId) {

        service.deleteItem(menuId);

    }

}