CoursesPutController.java

package tv.codely.apps.mooc.backend.controller.courses;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import tv.codely.mooc.courses.application.create.CreateCourseCommand;
import tv.codely.mooc.courses.application.update.RenameCourseCommand;
import tv.codely.shared.domain.DomainError;
import tv.codely.shared.domain.bus.command.CommandBus;
import tv.codely.shared.domain.bus.command.CommandHandlerExecutionError;
import tv.codely.shared.domain.bus.query.QueryBus;
import tv.codely.shared.infrastructure.spring.ApiController;

import java.util.HashMap;

@RestController
public final class CoursesPutController extends ApiController {
    public CoursesPutController(
        QueryBus queryBus,
        CommandBus commandBus
    ) {
        super(queryBus, commandBus);
    }

    @PutMapping(value = "/courses/{id}")
    public ResponseEntity<String> index(
        @PathVariable String id,
        @RequestBody Request request
    ) throws CommandHandlerExecutionError {
        dispatch(new CreateCourseCommand(id, request.name(), request.duration()));

        return new ResponseEntity<>(HttpStatus.CREATED);
    }

    @PutMapping(value = "/courses/{id}/renameCourse")
    public ResponseEntity<String> renameCourse(
        @PathVariable String id,
        @RequestBody Request request
    ) throws CommandHandlerExecutionError {
        dispatch(new RenameCourseCommand(id, request.name()));

        return new ResponseEntity<>(HttpStatus.OK);
    }

    @Override
    public HashMap<Class<? extends DomainError>, HttpStatus> errorMapping() {
        return null;
    }
}

final class Request {
    private String name;
    private String duration;

    public void setDuration(String duration) {
        this.duration = duration;
    }

    public void setName(String name) {
        this.name = name;
    }

    String name() {
        return name;
    }

    String duration() {
        return duration;
    }
}