Apr 15, 2025 · Apr 15, 2025 · Apr 15, 2025 · Apr 15, 2025 · Apr 15, 2025 · Apr 15, 2025
diff --git a/README.md b/README.md
@@ -0,0 +1,17 @@
+# 방탈출 어드민 페이지 작성하기
+
+## 홈 화면
+
+- [x] 어드민 페이지를 응답할 수 있도록 구현한다
+
+## 예약 조회 기능
+
+- [x] GET 메서드를 만들어 예약 목록을 조회 기능을 만든다.
+
+## 예약 추가
+
+- [x] POST 메서드를 만들어 예약 추가 기능을 만든다.
+
+## 예약 취소
+
+- [x] DELETE 메서드를 만들어 예약 삭제 기능을 만든다.
diff --git a/src/main/java/roomescape/RoomescapeApplication.java b/src/main/java/roomescape/RoomescapeApplication.java
@@ -8,5 +8,4 @@ public class RoomescapeApplication {
     public static void main(String[] args) {
         SpringApplication.run(RoomescapeApplication.class, args);
     }
-
 }
diff --git a/src/main/java/roomescape/controller/AdminController.java b/src/main/java/roomescape/controller/AdminController.java
@@ -0,0 +1,19 @@
+package roomescape.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+@Controller
+public class AdminController {
+
+    @GetMapping("/admin")
+    public String admin() {
+        return "admin/index";
+    }
+
+    @GetMapping("/admin/reservation")
+    public String reservation() {
+        return "admin/reservation-legacy";
+    }
+}
diff --git a/src/main/java/roomescape/controller/RoomescapeController.java b/src/main/java/roomescape/controller/RoomescapeController.java
@@ -0,0 +1,49 @@
+package roomescape.controller;
+
+import java.time.LocalDateTime;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
+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.RestController;
+import roomescape.domain.Person;
+import roomescape.domain.Reservation;
+import roomescape.domain.ReservationTime;
+import roomescape.domain.Reservations;
+import roomescape.dto.ReservationRequestDto;
+import roomescape.dto.ReservationResponseDto;
+
+@RestController
+public class RoomescapeController {
+
+    private final Reservations reservations = new Reservations();
+    private final AtomicLong reservationIndex = new AtomicLong(1);
+    private final AtomicLong personIndex = new AtomicLong(1);
+
+    @GetMapping("/reservations")
+    public List<ReservationResponseDto> readReservations() {
+        return reservations.getReservations().stream()
+            .map(ReservationResponseDto::from)
+            .toList();
+    }
+
+    @PostMapping("/reservations")
+    public Reservation createReservations(
+        @RequestBody ReservationRequestDto reservationRequestDto) {
+        Person person = new Person(personIndex.getAndIncrement(), reservationRequestDto.name());
+        ReservationTime reservationTime = new ReservationTime(
+            LocalDateTime.of(reservationRequestDto.date(), reservationRequestDto.time()));
+        Reservation reservation = new Reservation(reservationIndex.getAndIncrement(), person,
+            reservationTime);
+        reservations.save(reservation);
+        return reservation;
+    }
+
+    @DeleteMapping("/reservations/{id}")
+    public void deleteReservation(@PathVariable(name = "id") Long id) {
+        reservations.deleteById(id);
+    }
+}
diff --git a/src/main/java/roomescape/domain/Person.java b/src/main/java/roomescape/domain/Person.java
@@ -0,0 +1,5 @@
+package roomescape.domain;
+
+public record Person(long id, String name) {
+
+}
diff --git a/src/main/java/roomescape/domain/Reservation.java b/src/main/java/roomescape/domain/Reservation.java
@@ -0,0 +1,19 @@
+package roomescape.domain;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+
+public record Reservation(long id, Person person, ReservationTime reservationTime) {
+
+    public String getPersonName() {
+        return person.name();
+    }
+
+    public LocalDate getDate() {
+        return reservationTime.getDate();
+    }
+
+    public LocalTime getTime() {
+        return reservationTime.getTime();
+    }
+}
diff --git a/src/main/java/roomescape/domain/ReservationTime.java b/src/main/java/roomescape/domain/ReservationTime.java
@@ -0,0 +1,16 @@
+package roomescape.domain;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+
+public record ReservationTime(LocalDateTime reservationTime) {
+
+    public LocalDate getDate() {
+        return reservationTime.toLocalDate();
+    }
+
+    public LocalTime getTime() {
+        return reservationTime.toLocalTime();
+    }
+}
diff --git a/src/main/java/roomescape/domain/Reservations.java b/src/main/java/roomescape/domain/Reservations.java
@@ -0,0 +1,34 @@
+package roomescape.domain;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class Reservations {
+
+    private final List<Reservation> reservations;
+
+    public Reservations() {
+        this.reservations = new ArrayList<>();
+    }
+
+    public List<Reservation> getReservations() {
+        return Collections.unmodifiableList(reservations);
+    }
+
+    public void save(Reservation reservation) {
+        reservations.add(reservation);
+    }
+
+    public void deleteById(long id) {
+        Reservation reservation = findById(id);
+        reservations.remove(reservation);
+    }
+
+    private Reservation findById(long id) {
+        return reservations.stream()
+            .filter(reservation -> reservation.id() == id)
+            .findFirst()
+            .orElseThrow(() -> new IllegalArgumentException("존재하지 않는 예약번호 입니다."));
+    }
+}
diff --git a/src/main/java/roomescape/dto/ReservationRequestDto.java b/src/main/java/roomescape/dto/ReservationRequestDto.java
@@ -0,0 +1,8 @@
+package roomescape.dto;
+
+import java.time.LocalDate;
+import java.time.LocalTime;
+
+public record ReservationRequestDto(String name, LocalDate date, LocalTime time) {
+
+}
diff --git a/src/main/java/roomescape/dto/ReservationResponseDto.java b/src/main/java/roomescape/dto/ReservationResponseDto.java
@@ -0,0 +1,16 @@
+package roomescape.dto;
+
+import java.time.format.DateTimeFormatter;
+import roomescape.domain.Reservation;
+
+public record ReservationResponseDto(long id, String name, String date, String time) {
+
+    public static ReservationResponseDto from(Reservation reservation) {
+        return new ReservationResponseDto(
+            reservation.id(),
+            reservation.getPersonName(),
+            reservation.getDate().toString(),
+            reservation.getTime().format(DateTimeFormatter.ofPattern("HH:mm"))
+        );
+    }
+}
diff --git a/src/test/java/roomescape/MissionStepTest.java b/src/test/java/roomescape/MissionStepTest.java
@@ -1,6 +1,11 @@
 package roomescape;
 
+import static org.hamcrest.Matchers.is;
+
 import io.restassured.RestAssured;
+import io.restassured.http.ContentType;
+import java.util.HashMap;
+import java.util.Map;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.annotation.DirtiesContext;
@@ -12,9 +17,56 @@ public class MissionStepTest {
     @Test
     void 일단계() {
         RestAssured.given().log().all()
-                .when().get("/")
-                .then().log().all()
-                .statusCode(200);
+            .when().get("/admin")
+            .then().log().all()
+            .statusCode(200);
     }
 
+    @Test
+    void 이단계() {
+        RestAssured.given().log().all()
+            .when().get("/admin/reservation")
+            .then().log().all()
+            .statusCode(200);
+
+        RestAssured.given().log().all()
+            .when().get("/reservations")
+            .then().log().all()
+            .statusCode(200)
+            .body("size()",
+                is(0)); // 아직 생성 요청이 없으니 Controller에서 임의로 넣어준 Reservation 갯수 만큼 검증하거나 0개임을 확인하세요.
+    }
+
+    @Test
+    void 삼단계() {
+        Map<String, String> params = new HashMap<>();
+        params.put("name", "브라운");
+        params.put("date", "2023-08-05");
+        params.put("time", "15:40");
+
+        RestAssured.given().log().all()
+            .contentType(ContentType.JSON)
+            .body(params)
+            .when().post("/reservations")
+            .then().log().all()
+            .statusCode(200)
+            .body("id", is(1));
+
+        RestAssured.given().log().all()
+            .when().get("/reservations")
+            .then().log().all()
+            .statusCode(200)
+            .body("size()", is(1));
+
+        RestAssured.given().log().all()
+            .when().delete("/reservations/1")
+            .then().log().all()
+            .statusCode(200);
+
+        RestAssured.given().log().all()
+            .when().get("/reservations")
+            .then().log().all()
+            .statusCode(200)
+            .body("size()", is(0));
+    }
 }
-Original file line number
+Diff line change
@@ @@ -8,5 +8,4 @@ public class RoomescapeApplication { @@
         public static void main(String[] args) {
             SpringApplication.run(RoomescapeApplication.class, args);
         }
     }