UCSBDiningCommonsMenuItemsController.java

package edu.ucsb.cs156.example.controllers;

import edu.ucsb.cs156.example.entities.UCSBDiningCommons;
import edu.ucsb.cs156.example.entities.UCSBDiningCommonsMenuItem;
import edu.ucsb.cs156.example.errors.EntityNotFoundException;
import edu.ucsb.cs156.example.repositories.UCSBDiningCommonsMenuItemRepository;
import edu.ucsb.cs156.example.repositories.UCSBDiningCommonsRepository;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import jakarta.validation.Valid;

@Tag(name = "UCSBDiningCommonsMenuItems")
@RequestMapping("/api/ucsbdiningcommonsmenuitems")
@RestController
@Slf4j
public class UCSBDiningCommonsMenuItemsController extends ApiController{
    
    @Autowired
    UCSBDiningCommonsMenuItemRepository ucsbDiningCommonsMenuItemRepository;

    /**
     * This method returns a list of all ucsbdiningcommonsmenuitems.
     * @return a list of all ucsbdiningcommonsmenuitems
     */
    @Operation(summary= "List all ucsb dining commons menu items")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("/all")
    public Iterable<UCSBDiningCommonsMenuItem> allItems() {
        Iterable<UCSBDiningCommonsMenuItem> items = ucsbDiningCommonsMenuItemRepository.findAll();
        return items;
    }

    /**
     * This method creates a new diningcommonsmenuitem. Accessible only to users with the role "ROLE_ADMIN".
     * @param diningCommonsCode name of the diningcommons
     * @param name name of the menu item
     * @param station station where item is served in dining hall
     * @return the saved menu item
     */
    @Operation(summary= "Create a new menu item")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PostMapping("/post")
    public UCSBDiningCommonsMenuItem postItem(
        @Parameter(name="diningCommonsCode") @RequestParam String diningCommonsCode,
        @Parameter(name="name") @RequestParam String name,
        @Parameter(name="station") @RequestParam String station
        )
        {

        UCSBDiningCommonsMenuItem item = new UCSBDiningCommonsMenuItem();
        item.setDiningCommonsCode(diningCommonsCode);
        item.setName(name);
        item.setStation(station);

        UCSBDiningCommonsMenuItem savedItem = ucsbDiningCommonsMenuItemRepository.save(item);

        return savedItem;
    }

    /**
     * This method returns a single diningcommonsmenuitem.
     * @param id code of the diningcommonsmenuitem
     * @return a single diningcommonsmenuitem
     */
    @Operation(summary= "Get a single dining commons menu item")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("")
    public UCSBDiningCommonsMenuItem getById(
            @Parameter(name="id") @RequestParam Long id) {
        UCSBDiningCommonsMenuItem menuitem = ucsbDiningCommonsMenuItemRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(UCSBDiningCommonsMenuItem.class, id));

        return menuitem;
    }

    /**
     * Delete a diningcommonsmenuitem. Accessible only to users with the role "ROLE_ADMIN".
     * @param id id of the menu item
     * @return a message indiciating the menu item was deleted
     */
    @Operation(summary= "Delete a UCSBDiningCommonsMenuItem")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @DeleteMapping("")
    public Object deleteMenuItem(
            @Parameter(name="id") @RequestParam Long id) {
        UCSBDiningCommonsMenuItem menuItem = ucsbDiningCommonsMenuItemRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(UCSBDiningCommonsMenuItem.class, id));

        ucsbDiningCommonsMenuItemRepository.delete(menuItem);
        return genericMessage("UCSBDiningCommonsMenuItem with id %s deleted".formatted(id));
    }

    /**
     * Update a single diningcommonsmenuitem. Accessible only to users with the role "ROLE_ADMIN".
     * @param id id of the diningcommonsmenuitem
     * @param incoming the new menu item contents
     * @return the updated menu item object
     */
    @Operation(summary= "Update a single menu item")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PutMapping("")
    public UCSBDiningCommonsMenuItem updateMenuItem(
            @Parameter(name="id") @RequestParam Long id,
            @RequestBody @Valid UCSBDiningCommonsMenuItem incoming) {

        UCSBDiningCommonsMenuItem menuItem = ucsbDiningCommonsMenuItemRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(UCSBDiningCommonsMenuItem.class, id));


            menuItem.setDiningCommonsCode(incoming.getDiningCommonsCode());
            menuItem.setName(incoming.getName());
            menuItem.setStation(incoming.getStation());

        ucsbDiningCommonsMenuItemRepository.save(menuItem);

        return menuItem;
    }
}