[BE] feat: 모집 중인 방 리스트 API 구현(#30)

backend/src/main/java/corea/room/domain/Classification.java

@@ -0,0 +1,38 @@
+package corea.room.domain;
+
+import corea.exception.CoreaException;
+import corea.exception.ExceptionType;
+
+import java.util.Arrays;
+import java.util.Map;
+import java.util.function.Function;
+
+import static java.util.stream.Collectors.toMap;
+
+public enum Classification {
+
+    ALL("all"),
+    ANDROID("an"),
+    BACKEND("be"),
+    FRONTEND("fe");
+
+    private static final Map<String, Classification> CACHED_CLASSIFICATIONS = Arrays.stream(values())
+            .collect(toMap(classification -> classification.expression, Function.identity()));
+
+    private final String expression;
+
+    Classification(String expression) {
+        this.expression = expression;
+    }
+
+    public static Classification from(String expression) {
+        if (CACHED_CLASSIFICATIONS.containsKey(expression)) {
+            return CACHED_CLASSIFICATIONS.get(expression);
+        }
+        throw new CoreaException(ExceptionType.NOT_FOUND_ERROR);
+    }
+
+    public boolean isAll() {
+        return this == ALL;
+    }
+}

backend/src/main/java/corea/room/domain/Room.java

@@ -40,15 +40,29 @@ public class Room {
     private int limitedParticipantsSize;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "manager_id",foreignKey = @ForeignKey(ConstraintMode.NO_CONSTRAINT))
+    @JoinColumn(name = "manager_id", foreignKey = @ForeignKey(ConstraintMode.NO_CONSTRAINT))
     private Member manager;
 
     private LocalDateTime recruitmentDeadline;
 
     private LocalDateTime reviewDeadline;
 
-    public Room(String title, String content, int matchingSize, String repositoryLink, String thumbnailLink, String keyword, int currentParticipantsSize, int limitedParticipantsSize, Member manager, LocalDateTime recruitmentDeadline, LocalDateTime reviewDeadline) {
-        this(null, title, content, matchingSize, repositoryLink, thumbnailLink, keyword, currentParticipantsSize, limitedParticipantsSize, manager, recruitmentDeadline, reviewDeadline);
+    @Enumerated(value = EnumType.STRING)
+    private Classification classification;
+
+    /**
+     * RoomStatus가 변경될 수 있는 경우 (OPENED -> CLOSED)
+     * 1. 방장이 모집 마감을 한 경우
+     * 2. 제한 인원이 다 찼을 경우 (방에 참여할 때 같이 검증)
+     * 3. 모집 기간이 끝난 경우
+     *
+     * 1, 2의 경우 때문에 방 상태를 가지는 필드를 가져야 될듯.
+     * **/
+    @Enumerated(value = EnumType.STRING)
+    private RoomStatus status;
+
+    public Room(String title, String content, int matchingSize, String repositoryLink, String thumbnailLink, String keyword, int currentParticipantsSize, int limitedParticipantsSize, Member manager, LocalDateTime recruitmentDeadline, LocalDateTime reviewDeadline, Classification classification, RoomStatus status) {
+        this(null, title, content, matchingSize, repositoryLink, thumbnailLink, keyword, currentParticipantsSize, limitedParticipantsSize, manager, recruitmentDeadline, reviewDeadline, classification, status);
     }
 }
 

backend/src/main/java/corea/room/domain/RoomStatus.java

@@ -0,0 +1,6 @@
+package corea.room.domain;
+
+public enum RoomStatus {
+
+    OPENED, CLOSED
+}

backend/src/main/java/corea/room/dto/RoomCreateRequest.java

@@ -1,7 +1,9 @@
 package corea.room.dto;
 
 import corea.member.domain.Member;
+import corea.room.domain.Classification;
 import corea.room.domain.Room;
+import corea.room.domain.RoomStatus;
 
 import java.time.LocalDateTime;
 
@@ -16,13 +18,16 @@ public record RoomCreateRequest(
         int currentParticipantsSize,
         int limitedParticipantsSize,
         LocalDateTime recruitmentDeadline,
-        LocalDateTime reviewDeadline
+        LocalDateTime reviewDeadline,
+        Classification classification,
+        RoomStatus status
 ) {
 
     public Room toEntity() {
         return new Room(title, content, matchingSize,
                 repositoryLink, thumbnailLink, keyword,
                 currentParticipantsSize, limitedParticipantsSize, manager,
-                recruitmentDeadline, reviewDeadline);
+                recruitmentDeadline, reviewDeadline, classification,
+                status);
     }
 }

backend/src/test/java/corea/fixture/RoomFixture.java

@@ -1,7 +1,9 @@
 package corea.fixture;
 
 import corea.member.domain.Member;
+import corea.room.domain.Classification;
 import corea.room.domain.Room;
+import corea.room.domain.RoomStatus;
 
 import java.time.LocalDateTime;
 
@@ -20,7 +22,9 @@ public static Room ROOM_DOMAIN(final Member member) {
                 member,
                 LocalDateTime.now(),
                 LocalDateTime.now()
-                        .plusDays(14)
+                        .plusDays(14),
+                Classification.BACKEND,
+                RoomStatus.OPENED
         );
     }
 }

backend/src/test/java/corea/room/fixture/RoomFixture.java

@@ -1,6 +1,8 @@
 package corea.room.fixture;
 
 import corea.member.domain.Member;
+import corea.room.domain.Classification;
+import corea.room.domain.RoomStatus;
 import corea.room.dto.RoomCreateRequest;
 
 import java.time.LocalDateTime;
@@ -19,6 +21,9 @@ public static RoomCreateRequest ROOM_CREATE_REQUEST(Member member) {
                 15,
                 20,
                 LocalDateTime.of(2024, 12, 25, 12, 0),
-                LocalDateTime.of(2024, 12, 30, 12, 0));
+                LocalDateTime.of(2024, 12, 30, 12, 0),
+                Classification.BACKEND,
+                RoomStatus.OPENED
+        );
     }
 }