backend/restservice/src/main/java/com/plannaplan/controllers/CoursesController.java

package com.plannaplan.controllers;

import java.util.List;

import com.plannaplan.App;
import com.plannaplan.entities.Course;
import com.plannaplan.responses.mappers.CoursesResponseMappers;
import com.plannaplan.responses.models.GetCoursesResponse;
import com.plannaplan.responses.models.GetCoursesWithGroupsResponse;
import com.plannaplan.services.CourseService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.RestController;

import io.swagger.annotations.Api;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import com.plannaplan.responses.models.abstracts.CoursesResponse;

@RestController
@CrossOrigin
@RequestMapping("/api/" + App.API_VERSION + "/courses")
@Api(tags = {
        "Course" }, value = "Course", description = "Endpoints to deal with courses. All courses can have classes, lectures or both.")
public class CoursesController {
    @Autowired
    private CourseService courseService;

    @GetMapping("/all")
    public ResponseEntity<List<? extends CoursesResponse>> getMethodName(
            @RequestParam(name = "groups", defaultValue = "false") Boolean groups) {
        List<Course> courses = this.courseService.getAllCourses();
        if (groups) {
            final List<GetCoursesWithGroupsResponse> response = CoursesResponseMappers
                    .mapToGetCoursesWithGroupsResponse(courses);
            return new ResponseEntity<>(response, HttpStatus.OK);
        }
        final List<GetCoursesResponse> response = CoursesResponseMappers.mapToGetCoursesResponse(courses);
        return new ResponseEntity<>(response, HttpStatus.OK);
    }
}