add credential usage hander

Signed-off-by: runzexia <runzexia@yunify.com>

pkg/models/devops/project_credential_handler.go

@@ -0,0 +1,29 @@
+package devops
+
+import (
+	"k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/simple/client/devops"
+)
+
+type ProjectCredentialGetter interface {
+	GetProjectCredentialUsage(projectId, credentialId string) (*devops.Credential, error)
+}
+
+type projectCredentialGetter struct {
+	devopsClient devops.Interface
+}
+
+// GetProjectCredentialUsage get the usage of Credential
+func (o *projectCredentialGetter) GetProjectCredentialUsage(projectId, credentialId string) (*devops.Credential, error) {
+	credential, err := o.devopsClient.GetCredentialInProject(projectId,
+		credentialId)
+	if err != nil {
+		klog.Errorf("%+v", err)
+		return nil, err
+	}
+	return credential, nil
+}
+
+func NewProjectCredentialOperator(devopsClient devops.Interface) ProjectCredentialGetter {
+	return &projectCredentialGetter{devopsClient: devopsClient}
+}