package dlee.demorestapi.events;

import org.modelmapper.ModelMapper;
import org.modelmapper.internal.Errors;
import org.springframework.hateoas.MediaTypes;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import javax.validation.Valid;
import java.net.URI;

import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.linkTo;

@Controller
@RequestMapping(value="/api/events",produces = MediaTypes.HAL_JSON_VALUE)
public class EventController {

    private final EventRepository eventRepository;

    private final ModelMapper modelMapper;

    public EventController(EventRepository eventRepository,ModelMapper modelMapper){
        this.eventRepository = eventRepository;
        this.modelMapper = modelMapper;
    }

    @PostMapping
    public ResponseEntity createEvent(@RequestBody @Valid EventDto eventDto, Errors errors){ //JSON을 객체로 변환하는거니까  deserializationerrors
        System.out.println(errors.getMessages() + "asdsadasds");

        if(errors.hasErrors()){
            return ResponseEntity.badRequest().build();
        }
        Event event = modelMapper.map(eventDto,Event.class);
        Event newEvent = this.eventRepository.save(event);
        URI createdUri = linkTo(EventController.class).slash(newEvent.getId()).toUri();
        return ResponseEntity.created(createdUri).body(event);
    }
}

package dlee.demorestapi.events;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;

import javax.validation.constraints.Min;
import javax.validation.constraints.NotEmpty;
import javax.validation.constraints.NotNull;
import java.time.LocalDateTime;

@Data @Builder @NoArgsConstructor @AllArgsConstructor

public class EventDto {
    @NotEmpty
    private String name;
    @NotEmpty
    private String description;

    @NotNull
    private LocalDateTime beginEnrollmentDateTime;
    @NotNull
    private LocalDateTime closeEnrollmentDateTime;
    @NotNull
    private LocalDateTime beginEventDateTime;
    @NotNull
    private LocalDateTime endEventDateTime;
    private String location;
    @Min(0)
    private int basePrice;
    @Min(0)
    private int maxPrice;
    @Min(0)
    private int limitOfEnrollment;
}