⚡ Feat : Define common api response

src/main/java/slvtwn/khu/toyouserver/common/ApiResponse.java

@@ -0,0 +1,68 @@
+package slvtwn.khu.toyouserver.common;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import lombok.Getter;
+
+@Getter
+@JsonPropertyOrder({"code", "message", "data", "pageInfo"})
+public class ApiResponse<T> {
+
+	private final String code;
+
+	private final String message;
+
+	@JsonInclude(Include.NON_NULL)
+	private final T data;
+
+	private final PageInfoResponse pageInfo;
+
+	ApiResponse(String code, String message) {
+		this(code, message, null, null);
+	}
+
+	ApiResponse(String code, String message, T data) {
+		this(code, message, data, null);
+	}
+
+	ApiResponse(String code, String message, T data, PageInfoResponse pageInfo) {
+		this.code = code;
+		this.message = message;
+		this.data = data;
+		this.pageInfo = pageInfo;
+	}
+
+	public static <T> ApiResponse<T> success(SuccessType successType) {
+		return new ApiResponse<>(successType.getCode(), successType.getMessage());
+	}
+
+	public static <T> ApiResponse<T> success(SuccessType successType, T data) {
+		return new ApiResponse<>(successType.getCode(), successType.getMessage(), data);
+	}
+
+	public static <T> ApiResponse<T> success(SuccessType successType, T data, PageInfoResponse pageInfo) {
+		return new ApiResponse<>(successType.getCode(), successType.getMessage(), data, pageInfo);
+	}
+
+	public static ApiResponse<?> error(ErrorType errorType) {
+		return new ApiResponse<>(errorType.getCode(), errorType.getMessage());
+	}
+
+	public static <T> ApiResponse<T> error(ErrorType errorType, T data) {
+		return new ApiResponse<>(errorType.getCode(), errorType.getMessage(), data);
+	}
+
+	public static ApiResponse<?> error(ErrorType errorType, String message) {
+		return new ApiResponse<>(errorType.getCode(), message);
+	}
+
+	public static <T> ApiResponse<T> error(ErrorType errorType, String message, T data) {
+		return new ApiResponse<>(errorType.getCode(), message, data);
+	}
+
+	public static <T> ApiResponse<Exception> error(ErrorType errorType, Exception e) {
+		return new ApiResponse<>(errorType.getCode(), errorType.getMessage(), e);
+	}
+
+}

src/main/java/slvtwn/khu/toyouserver/common/ErrorType.java

@@ -0,0 +1,17 @@
+package slvtwn.khu.toyouserver.common;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public enum ErrorType {
+
+	// 404 (Not Found)
+	NOT_FOUND("TYU404", "Not Found");
+
+	private final String code;
+
+	private final String message;
+}

src/main/java/slvtwn/khu/toyouserver/common/PageInfoResponse.java

@@ -0,0 +1,19 @@
+package slvtwn.khu.toyouserver.common;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public class PageInfoResponse {
+	private final int currentPage;
+
+	private final int totalPage;
+
+	private final int totalElements;
+
+	public static PageInfoResponse of(int currentPage, int totalPage, int totalElements) {
+		return new PageInfoResponse(currentPage, totalPage, totalElements);
+	}
+}

src/main/java/slvtwn/khu/toyouserver/common/SuccessType.java

@@ -0,0 +1,16 @@
+package slvtwn.khu.toyouserver.common;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+public enum SuccessType {
+
+	// 200 (OK)
+	OK("TYU200", "success");
+
+	private final String code;
+	private final String message;
+}