[fix]:Socket #146 유저 타입 스트링으로 변환 로직 구현

SocketService/src/main/java/com/kusitms/socketservice/domain/chat/domain/UserType.java

@@ -1,10 +1,29 @@
 package com.kusitms.socketservice.domain.chat.domain;
 
+import com.kusitms.socketservice.global.error.httpException.InvalidValueException;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import java.util.Arrays;
+
+import static com.kusitms.socketservice.global.error.ErrorCode.INVALID_USER_TYPE;
+
+@RequiredArgsConstructor
+@Getter
 public enum UserType {
-    PM,
-    마케터,
-    디자이너,
-    개발자,
-    기획자,
-    에디터
-}
+    PM("PM"),
+    MARKETER("마케터"),
+    DESIGNER("디자이너"),
+    DEVELOPER("개발자"),
+    PLANNER("기획자"),
+    EDITOR("에디터");
+
+    private final String stringUserType;
+
+    public static UserType getEnumUserTypeFromStringUserType(String stringUserType) {
+        return Arrays.stream(values())
+                .filter(userType -> userType.stringUserType.equals(stringUserType))
+                .findFirst()
+                .orElseThrow(() -> new InvalidValueException(INVALID_USER_TYPE));
+    }
+}