refactor code structure (#1738)

pkg/kapis/openpitrix/v1/handler.go

@@ -1,14 +1,76 @@
 package v1
 
-import "github.com/emicklei/go-restful"
+import (
+	"github.com/emicklei/go-restful"
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/klog"
+	"kubesphere.io/kubesphere/pkg/api"
+	"kubesphere.io/kubesphere/pkg/constants"
+	"kubesphere.io/kubesphere/pkg/informers"
+	"kubesphere.io/kubesphere/pkg/models"
+	"kubesphere.io/kubesphere/pkg/models/openpitrix/application"
+	"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3/resource"
+	"kubesphere.io/kubesphere/pkg/server/params"
+	"openpitrix.io/openpitrix/pkg/pb"
+)
 
 type openpitrixHandler struct {
+	namespacesGetter *resource.NamespacedResourceGetter
+	applicationOperator application.Interface
 }
 
-func newOpenpitrixHandler() *openpitrixHandler {
-	return &openpitrixHandler{}
+func newOpenpitrixHandler(factory informers.InformerFactory, client pb.ClusterManagerClient) *openpitrixHandler {
+	return &openpitrixHandler{
+		namespacesGetter: resource.New(factory),
+		applicationOperator: application.NewApplicaitonOperator(factory.KubernetesSharedInformerFactory(), client),
+	}
 }
 
 func (h *openpitrixHandler) handleListApplications(request *restful.Request, response *restful.Response) {
+	limit, offset := params.ParsePaging(request.QueryParameter(params.PagingParam))
+	namespaceName := request.PathParameter("namespace")
+	conditions, err := params.ParseConditions(request.QueryParameter(params.ConditionsParam))
+	orderBy := request.QueryParameter(params.OrderByParam)
+	reverse := params.ParseReverse(request)
 
+	if orderBy == "" {
+		orderBy = "create_time"
+		reverse = true
+	}
+
+	if err != nil {
+		api.HandleBadRequest(response, err)
+		return
+	}
+
+	if namespaceName != "" {
+		namespace, err := h.namespacesGetter.Get(api.ResourceKindNamespace, "", namespaceName)
+
+		if err != nil {
+			api.HandleInternalError(response, err)
+			return
+		}
+		var runtimeId string
+
+		if ns, ok := namespace.(*v1.Namespace); ok {
+			runtimeId = ns.Annotations[constants.OpenPitrixRuntimeAnnotationKey]
+		}
+
+		if runtimeId == "" {
+			response.WriteAsJson(models.PageableResponse{Items: []interface{}{}, TotalCount: 0})
+			return
+		} else {
+			conditions.Match["runtime_id"] = runtimeId
+		}
+	}
+
+	result, err := h.applicationOperator.List(conditions, limit, offset, orderBy, reverse)
+
+	if err != nil {
+		klog.Errorln(err)
+		api.HandleInternalError(response, err)
+		return
+	}
+
+	resp.WriteAsJson(result)
 }