고생하셨습니다.

🎉 PR 머지 완료! 🎉

Author: chemistryx

build.gradle

@@ -13,7 +13,9 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter'
+    implementation 'org.springframework.boot:spring-boot-starter-web'
+    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
+    implementation 'org.springframework.boot:spring-boot-starter-validation'
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'io.rest-assured:rest-assured:5.3.1'
 }

src/main/java/roomescape/RoomescapeApplication.java

@@ -8,5 +8,4 @@ public class RoomescapeApplication {
     public static void main(String[] args) {
         SpringApplication.run(RoomescapeApplication.class, args);
     }
-
 }

src/main/java/roomescape/controller/HomeController.java

@@ -0,0 +1,12 @@
+package roomescape.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class HomeController {
+    @GetMapping("/")
+    public String home() {
+        return "home";
+    }
+}

src/main/java/roomescape/controller/ReservationController.java

@@ -0,0 +1,63 @@
+package roomescape.controller;
+
+import jakarta.validation.Valid;
+import java.net.URI;
+import java.util.List;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import roomescape.dto.ReservationCreateRequest;
+import roomescape.dto.ReservationCreateResponse;
+import roomescape.model.Reservation;
+import roomescape.service.ReservationService;
+
+@Controller
+public class ReservationController {
+    private final ReservationService reservationService;
+
+    public ReservationController(ReservationService reservationService) {
+        this.reservationService = reservationService;
+    }
+
+    /*
+     * View Mapping
+     */
+
+    @GetMapping("/reservation")
+    public String reservation() {
+        return "reservation";
+    }
+
+    /*
+     * API Mapping
+     */
+
+    @ResponseBody
+    @GetMapping("/reservations")
+    public List<Reservation> getReservations() {
+        return reservationService.getReservations();
+    }
+
+    @ResponseBody
+    @PostMapping("/reservations")
+    public ResponseEntity<ReservationCreateResponse> createReservation(@RequestBody @Valid ReservationCreateRequest request) {
+        Reservation reservation = reservationService.createReservation(request);
+
+        URI location = URI.create("/reservations/" + reservation.id());
+        return ResponseEntity.created(location).body(ReservationCreateResponse.from(reservation));
+    }
+
+    @ResponseBody
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    @DeleteMapping("/reservations/{id}")
+    public void deleteReservation(@PathVariable int id) {
+        reservationService.deleteReservation(id);
+    }
+}

src/main/java/roomescape/dto/ErrorResponse.java

@@ -0,0 +1,3 @@
+package roomescape.dto;
+
+public record ErrorResponse(String message) { }

src/main/java/roomescape/dto/ReservationCreateRequest.java

@@ -0,0 +1,19 @@
+package roomescape.dto;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import roomescape.validation.ValidDate;
+import roomescape.validation.ValidTime;
+
+public record ReservationCreateRequest(
+        @NotBlank(message = "이름은 공백일 수 없습니다.")
+        String name,
+
+        @ValidDate(message = "날짜 형식이 올바르지 않습니다. 예: yyyy-MM-dd")
+        String date,
+
+        @ValidTime(message = "시간 형식이 올바르지 않습니다. 예: HH:mm")
+        String time
+) { }

src/main/java/roomescape/dto/ReservationCreateResponse.java

@@ -0,0 +1,12 @@
+package roomescape.dto;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+import roomescape.model.Reservation;
+
+public record ReservationCreateResponse(int id, String name, LocalDate date, LocalTime time) {
+    public static ReservationCreateResponse from(Reservation reservation) {
+        return new ReservationCreateResponse(reservation.id(), reservation.name(), reservation.date(), reservation.time());
+    }
+}
+

src/main/java/roomescape/exception/GlobalExceptionHandler.java

@@ -0,0 +1,35 @@
+package roomescape.exception;
+
+import com.fasterxml.jackson.databind.exc.InvalidFormatException;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import roomescape.dto.ErrorResponse;
+
+@ControllerAdvice
+public class GlobalExceptionHandler {
+    @ExceptionHandler(ReservationNotFoundException.class)
+    public ResponseEntity<ErrorResponse> handleReservationNotFoundException(ReservationNotFoundException e) {
+        return new ResponseEntity<>(new ErrorResponse(e.getMessage()), HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(ReservationValidationException.class)
+    public ResponseEntity<ErrorResponse> handleReservationValidationException(ReservationValidationException e) {
+        return new ResponseEntity<>(new ErrorResponse(e.getMessage()), HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<ErrorResponse> handleValidationException(MethodArgumentNotValidException e) {
+        String message = e.getBindingResult().getAllErrors().stream().map((err) -> err.getDefaultMessage()).findFirst().orElse("입력 값 검증 실패");
+
+        return new ResponseEntity<>(new ErrorResponse(message), HttpStatus.BAD_REQUEST);
+    }
+
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<ErrorResponse> handleFallbackException() {
+        return new ResponseEntity<>(new ErrorResponse("내부 서버 오류가 발생했습니다."), HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+}

src/main/java/roomescape/exception/ReservationNotFoundException.java

@@ -0,0 +1,7 @@
+package roomescape.exception;
+
+public class ReservationNotFoundException extends RuntimeException {
+    public ReservationNotFoundException(String message) {
+        super(message);
+    }
+}

src/main/java/roomescape/exception/ReservationValidationException.java

@@ -0,0 +1,7 @@
+package roomescape.exception;
+
+public class ReservationValidationException extends RuntimeException {
+    public ReservationValidationException(String message) {
+        super(message);
+    }
+}