CoursesController.java

package edu.ucsb.cs156.happiercows.controllers;


import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import edu.ucsb.cs156.happiercows.entities.Courses;
import edu.ucsb.cs156.happiercows.errors.EntityNotFoundException;
import edu.ucsb.cs156.happiercows.models.HealthUpdateStrategyList;
import edu.ucsb.cs156.happiercows.repositories.CoursesRepository;
import io.swagger.v3.oas.annotations.tags.Tag;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.format.annotation.DateTimeFormat;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;
import edu.ucsb.cs156.happiercows.services.CommonsPlusBuilderService;
import java.util.Optional;
import java.time.LocalDateTime;

import javax.transaction.Transactional;
import javax.validation.Valid;


@Slf4j
@Tag(name = "Courses")
@RequestMapping("/api/courses")
@RestController
public class CoursesController extends ApiController{
    @Autowired
    CoursesRepository coursesRepository;

    // Get all records in the table and return as a JSON array
    @Operation(summary= "List all courses")
    @PreAuthorize("hasRole('ROLE_USER')")
    @GetMapping("/all")
    public Iterable<Courses> allCourses() {
        Iterable<Courses> items = coursesRepository.findAll();
        return items;
    }


    // Use the data in the input parameters to create a new row in the table and return the data as JSON
    @Operation(summary= "Create a new course")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PostMapping("/post")
    public Courses postCourses(
            @Parameter(name = "name", description = "course name, e.g. CMPSC 156") @RequestParam String name,
            @Parameter(name = "school", description = "school abbreviation e.g. UCSB") @RequestParam String school,
            @Parameter(name = "term", description = "quarter or semester, e.g. F23") @RequestParam String term,
            @Parameter(name = "startDate", description = "in iso format, i.e. YYYY-mm-ddTHH:MM:SS; e.g. 2023-10-01T00:00:00 see https://en.wikipedia.org/wiki/ISO_8601") @RequestParam("startDate") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime startDate,
            @Parameter(name = "endDate", description = "in iso format, i.e. YYYY-mm-ddTHH:MM:SS; e.g. 2023-12-31T11:59:59 see https://en.wikipedia.org/wiki/ISO_8601") @RequestParam("endDate") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime endDate)
            throws JsonProcessingException {


        Courses course = new Courses();
        course.setName(name);
        course.setSchool(school);
        course.setTerm(term);
        course.setStartDate(startDate);
        course.setEndDate(endDate);

        Courses savedCourse = coursesRepository.save(course);

        return savedCourse;
    }

    @Operation(summary = "Update a course")
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    @PutMapping("")
    public Courses updateCourses(
               @Parameter(name="id") @RequestParam Long id,
            @RequestBody @Valid Courses incoming) {

        Courses course1 = coursesRepository.findById(id)
                .orElseThrow(() -> new EntityNotFoundException(Courses.class, id));

       course1.setName(incoming.getName());
       course1.setSchool(incoming.getSchool());
       course1.setTerm(incoming.getTerm());
       course1.setStartDate(incoming.getStartDate());
       course1.setEndDate(incoming.getEndDate());

        coursesRepository.save(course1);

        return course1;
    
    }
}