feat: backend core - auth, user, role, permission, device, webhook, monitoring, cache, repository, service, middleware, API handlers

internal/response/response.go

@@ -0,0 +1,50 @@
+package response
+
+// Response 统一响应结构
+type Response struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+// Success 成功响应
+func Success(data interface{}) *Response {
+	return &Response{
+		Code:    0,
+		Message: "success",
+		Data:    data,
+	}
+}
+
+// Error 错误响应
+func Error(message string) *Response {
+	return &Response{
+		Code:    -1,
+		Message: message,
+	}
+}
+
+// ErrorWithCode 带错误码的错误响应
+func ErrorWithCode(code int, message string) *Response {
+	return &Response{
+		Code:    code,
+		Message: message,
+	}
+}
+
+// WithData 带扩展数据的成功响应
+func WithData(data interface{}, extra map[string]interface{}) *Response {
+	payload, ok := data.(map[string]interface{})
+	if !ok {
+		payload = map[string]interface{}{
+			"items": data,
+		}
+	}
+
+	for k, v := range extra {
+		payload[k] = v
+	}
+
+	resp := Success(payload)
+	return resp
+}

internal/response/response_test.go

@@ -0,0 +1,34 @@
+package response
+
+import "testing"
+
+func TestWithDataWrapsSlicesAndMergesExtra(t *testing.T) {
+	resp := WithData([]string{"a", "b"}, map[string]interface{}{
+		"total": 2,
+		"page":  1,
+	})
+
+	data, ok := resp.Data.(map[string]interface{})
+	if !ok {
+		t.Fatalf("expected map payload, got %T", resp.Data)
+	}
+	if data["total"] != 2 {
+		t.Fatalf("expected total=2, got %v", data["total"])
+	}
+	items, ok := data["items"].([]string)
+	if !ok || len(items) != 2 {
+		t.Fatalf("expected items slice to be preserved, got %#v", data["items"])
+	}
+}
+
+func TestWithDataPreservesMapPayload(t *testing.T) {
+	resp := WithData(map[string]interface{}{"user": "alice"}, map[string]interface{}{"page": 1})
+
+	data := resp.Data.(map[string]interface{})
+	if data["user"] != "alice" {
+		t.Fatalf("expected user=alice, got %v", data["user"])
+	}
+	if data["page"] != 1 {
+		t.Fatalf("expected page=1, got %v", data["page"])
+	}
+}