RecommendationRequestController.java

package edu.ucsb.cs156.example.controllers;

import edu.ucsb.cs156.example.entities.RecommendationRequest;
import edu.ucsb.cs156.example.errors.EntityNotFoundException;
import edu.ucsb.cs156.example.repositories.RecommendationRequestRepository;

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 = "RecommendationRequest")
@RequestMapping("/api/recommendationrequest")
@RestController
@Slf4j
public class RecommendationRequestController extends ApiController {
    @Autowired
    RecommendationRequestRepository recommendationRequestRepository;

    // GET ALL 
    @Operation(summary= "List all recommendation requests")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("/all")
    public Iterable<RecommendationRequest> allRecommendationRequest() {
        Iterable<RecommendationRequest> dates = recommendationRequestRepository.findAll();
        return dates;
    }

    // POST
    @Operation(summary= "Create a new recommendation request")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PostMapping("/post")
    public RecommendationRequest postRecommendationRequest(
            @Parameter(name="requesterEmail") @RequestParam String requesterEmail,
            @Parameter(name="professorEmail") @RequestParam String professorEmail,
            @Parameter(name="explanation") @RequestParam String explanation,
            @Parameter(name="dateRequested", description="date (in iso format, e.g. YYYY-mm-ddTHH:MM:SS; see https://en.wikipedia.org/wiki/ISO_8601)") @RequestParam("dateRequested") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime dateRequested,
            @Parameter(name="dateNeeded", description="date (in iso format, e.g. YYYY-mm-ddTHH:MM:SS; see https://en.wikipedia.org/wiki/ISO_8601)")  @RequestParam("dateNeeded") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime dateNeeded,
            @Parameter(name="done") @RequestParam Boolean done)
            
            
            throws JsonProcessingException {


        log.info("localDateTime={}", dateRequested);

        RecommendationRequest recommendationRequest = new RecommendationRequest();
        recommendationRequest.setRequesterEmail(requesterEmail);
        recommendationRequest.setProfessorEmail(professorEmail);
        recommendationRequest.setExplanation(explanation);
        recommendationRequest.setDateRequested(dateRequested);
        recommendationRequest.setDateNeeded(dateNeeded);
        recommendationRequest.setDone(done);

        RecommendationRequest savedRecommendationRequest = recommendationRequestRepository.save(recommendationRequest);

        return savedRecommendationRequest;
    }

    // GET SINGLE RECORD
    @Operation(summary= "Get a recommendation request")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("")
    public RecommendationRequest getById(
            @Parameter(name="id") @RequestParam Long id) {
        RecommendationRequest recommendationRequest = recommendationRequestRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(RecommendationRequest.class, id));

        return recommendationRequest;
    }

    // UPDATE SINGLE 
    @Operation(summary = "Update a single request")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PutMapping("")
    public RecommendationRequest recommendationRequest(
            @Parameter(name = "id") @RequestParam Long id,
            @RequestBody @Valid RecommendationRequest incoming) {

        RecommendationRequest recommendationRequest = recommendationRequestRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(RecommendationRequest.class, id));

                recommendationRequest.setRequesterEmail(incoming.getRequesterEmail());
                recommendationRequest.setProfessorEmail(incoming.getProfessorEmail());
                recommendationRequest.setExplanation(incoming.getExplanation());
                recommendationRequest.setDateRequested(incoming.getDateRequested());
                recommendationRequest.setDateNeeded(incoming.getDateNeeded());
                recommendationRequest.setDone(incoming.getDone());

        recommendationRequestRepository.save(recommendationRequest);

        return recommendationRequest;
    }

    @Operation(summary = "Delete a RecommendationRequest")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @DeleteMapping("")
    public Object deleteRecommendationRequest(
            @Parameter(name = "id") @RequestParam Long id) {
        RecommendationRequest recommendationRequest = recommendationRequestRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(RecommendationRequest.class, id));

        recommendationRequestRepository.delete(recommendationRequest);
        return genericMessage("Recommendation Request with id %s deleted".formatted(id));
    }
}