[WIP] API refactor (#1737)

* refactor openpitrix API

Signed-off-by: hongming <talonwan@yunify.com>

* add openpitrix mock client

Signed-off-by: hongming <talonwan@yunify.com>

* refactor tenant API

Signed-off-by: hongming <talonwan@yunify.com>

* refactor IAM API

Signed-off-by: hongming <talonwan@yunify.com>

* refactor IAM API

Signed-off-by: hongming <talonwan@yunify.com>

pkg/apiserver/openpitrix/attachments.go

@@ -1,54 +0,0 @@
-/*
- *
- * Copyright 2019 The KubeSphere Authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * /
- */
-
-package openpitrix
-
-import (
-    "github.com/emicklei/go-restful"
-    "google.golang.org/grpc/codes"
-    "google.golang.org/grpc/status"
-    "kubesphere.io/kubesphere/pkg/models/openpitrix/attachment"
-    "kubesphere.io/kubesphere/pkg/server/errors"
-    "kubesphere.io/kubesphere/pkg/simple/client"
-    "net/http"
-)
-
-func DescribeAttachment(req *restful.Request, resp *restful.Response) {
-	attachmentId := req.PathParameter("attachment")
-	fileName := req.QueryParameter("filename")
-	result, err := attachment.DescribeAttachment(attachmentId)
-	// file raw
-	if fileName != "" {
-		data := result.AttachmentContent[fileName]
-		resp.Write(data)
-		resp.Header().Set("Content-Type", "text/plain")
-		return
-	}
-
-	if _, notEnabled := err.(client.ClientSetNotEnabledError); notEnabled {
-		resp.WriteHeaderAndEntity(http.StatusNotImplemented, errors.Wrap(err))
-		return
-	}
-
-	if status.Code(err) == codes.NotFound {
-		resp.WriteHeaderAndEntity(http.StatusNotFound, errors.Wrap(err))
-		return
-	}
-
-	resp.WriteEntity(result)
-}