HelpRequestController.java

package edu.ucsb.cs156.example.controllers;

import edu.ucsb.cs156.example.entities.HelpRequest;
import edu.ucsb.cs156.example.errors.EntityNotFoundException;
import edu.ucsb.cs156.example.repositories.HelpRequestRepository;

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 com.fasterxml.jackson.core.JsonProcessingException;

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

import java.time.LocalDateTime;

@Tag(name = "HelpRequest")
@RequestMapping("/api/helprequest")
@RestController
@Slf4j
public class HelpRequestController extends ApiController {

    @Autowired
    HelpRequestRepository helpRequestRepository;

    // GET (all entries) : lists all help requests
    @Operation(summary= "List all help requests")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("/all")
    public Iterable<HelpRequest> allHelpRequests() {
        Iterable<HelpRequest> requests = helpRequestRepository.findAll();
        return requests;
    }

    // GET (by ID / single entry): Gets a single help request by id
    @Operation(summary= "Get a single help request")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("")
    public HelpRequest getById(
            @Parameter(name="id") @RequestParam Long id) {
        HelpRequest helpRequest = helpRequestRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(HelpRequest.class, id));

        return helpRequest;
    }

    // POST : creates a new help request entry for HelpRequest data table
    @Operation(summary= "Create a new help request")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PostMapping("/post")
    public HelpRequest postHelpRequest(
            @Parameter(name="requesterEmail") @RequestParam String requesterEmail,
            @Parameter(name="teamId") @RequestParam String teamId,
            @Parameter(name="tableOrBreakoutRoom") @RequestParam String tableOrBreakoutRoom,
            @Parameter(name="explanation") @RequestParam String explanation,
            @Parameter(name="solved") @RequestParam boolean solved,
            @Parameter(name="requestTime", description="date (in iso format, e.g. YYYY-mm-ddTHH:MM:SS; see https://en.wikipedia.org/wiki/ISO_8601)") @RequestParam("requestTime") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime requestTime)
            throws JsonProcessingException {

        // For an explanation of @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME)
        // See: https://www.baeldung.com/spring-date-parameters

        log.info("requestTime={}", requestTime);
        
        HelpRequest helpRequest = new HelpRequest();

        helpRequest.setRequesterEmail(requesterEmail);
        helpRequest.setTeamId(teamId);
        helpRequest.setTableOrBreakoutRoom(tableOrBreakoutRoom);
        helpRequest.setExplanation(explanation);
        helpRequest.setSolved(solved);
        helpRequest.setRequestTime(requestTime);

        HelpRequest savedHelpRequest = helpRequestRepository.save(helpRequest);

        return savedHelpRequest;
    }

    // PUT (edit) : edits a single data entry in the help request table
    @Operation(summary= "Update a single help request")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PutMapping("")
    public HelpRequest updateHelpRequest(
            @Parameter(name="id") @RequestParam Long id,
            @RequestBody @Valid HelpRequest incoming) {

        HelpRequest helpRequest = helpRequestRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(HelpRequest.class, id));

        helpRequest.setRequesterEmail(incoming.getRequesterEmail());
        helpRequest.setTeamId(incoming.getTeamId());
        helpRequest.setTableOrBreakoutRoom(incoming.getTableOrBreakoutRoom());
        helpRequest.setExplanation(incoming.getExplanation());
        helpRequest.setSolved(incoming.getSolved());
        helpRequest.setRequestTime(incoming.getRequestTime());

        helpRequestRepository.save(helpRequest);

        return helpRequest;
    }

    // DELETE : deletes a single entry in the data table via ID.
    @Operation(summary= "Delete a help request")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @DeleteMapping("")
    public Object deleteHelpRequest(
            @Parameter(name="id") @RequestParam Long id) {
        HelpRequest helpRequest = helpRequestRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(HelpRequest.class, id));

        helpRequestRepository.delete(helpRequest);
        return genericMessage("HelpRequest with id %s deleted".formatted(id));
    }
}