refactor: clean code

internal/pkg/sdk3rd/volcengine/certcenter/service.go

@@ -0,0 +1,71 @@
+package certcenter
+
+import (
+	"github.com/volcengine/volcengine-go-sdk/volcengine"
+	"github.com/volcengine/volcengine-go-sdk/volcengine/client"
+	"github.com/volcengine/volcengine-go-sdk/volcengine/client/metadata"
+	"github.com/volcengine/volcengine-go-sdk/volcengine/corehandlers"
+	"github.com/volcengine/volcengine-go-sdk/volcengine/request"
+	"github.com/volcengine/volcengine-go-sdk/volcengine/signer/volc"
+	"github.com/volcengine/volcengine-go-sdk/volcengine/volcenginequery"
+)
+
+type CertCenter struct {
+	*client.Client
+}
+
+var initClient func(*client.Client)
+
+var initRequest func(*request.Request)
+
+const (
+	ServiceName = "certificate_service"
+	EndpointsID = ServiceName
+	ServiceID   = "certificate_service"
+)
+
+func New(p client.ConfigProvider, cfgs ...*volcengine.Config) *CertCenter {
+	c := p.ClientConfig(EndpointsID, cfgs...)
+	return newClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion, c.SigningName)
+}
+
+func newClient(cfg volcengine.Config, handlers request.Handlers, endpoint, signingRegion, signingName string) *CertCenter {
+	svc := &CertCenter{
+		Client: client.New(
+			cfg,
+			metadata.ClientInfo{
+				ServiceName:   ServiceName,
+				ServiceID:     ServiceID,
+				SigningName:   signingName,
+				SigningRegion: signingRegion,
+				Endpoint:      endpoint,
+				APIVersion:    "2024-10-01",
+			},
+			handlers,
+		),
+	}
+
+	svc.Handlers.Build.PushBackNamed(corehandlers.SDKVersionUserAgentHandler)
+	svc.Handlers.Build.PushBackNamed(corehandlers.AddHostExecEnvUserAgentHandler)
+	svc.Handlers.Sign.PushBackNamed(volc.SignRequestHandler)
+	svc.Handlers.Build.PushBackNamed(volcenginequery.BuildHandler)
+	svc.Handlers.Unmarshal.PushBackNamed(volcenginequery.UnmarshalHandler)
+	svc.Handlers.UnmarshalMeta.PushBackNamed(volcenginequery.UnmarshalMetaHandler)
+	svc.Handlers.UnmarshalError.PushBackNamed(volcenginequery.UnmarshalErrorHandler)
+
+	if initClient != nil {
+		initClient(svc.Client)
+	}
+
+	return svc
+}
+
+func (c *CertCenter) newRequest(op *request.Operation, params, data interface{}) *request.Request {
+	req := c.NewRequest(op, params, data)
+
+	if initRequest != nil {
+		initRequest(req)
+	}
+
+	return req
+}