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/*
* Copyright 2020 Intel Corporation, Inc
*
* 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 api
import (
"encoding/json"
"io"
"net/http"
moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
"github.com/gorilla/mux"
)
// compositeAppHandler to store backend implementations objects
// Also simplifies mocking for unit testing purposes
type compositeAppHandler struct {
// Interface that implements CompositeApp operations
// We will set this variable with a mock interface for testing
client moduleLib.CompositeAppManager
}
// createHandler handles creation of the CompositeApp entry in the database
func (h compositeAppHandler) createHandler(w http.ResponseWriter, r *http.Request) {
var c moduleLib.CompositeApp
err := json.NewDecoder(r.Body).Decode(&c)
switch {
case err == io.EOF:
http.Error(w, "Empty body", http.StatusBadRequest)
return
case err != nil:
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
// Name is required.
if c.Metadata.Name == "" {
http.Error(w, "Missing name in POST request", http.StatusBadRequest)
return
}
vars := mux.Vars(r)
projectName := vars["project-name"]
ret, err := h.client.CreateCompositeApp(c, projectName)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusCreated)
err = json.NewEncoder(w).Encode(ret)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// getHandler handles GET operations on a particular CompositeApp Name
// Returns a compositeApp
func (h compositeAppHandler) getHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["composite-app-name"]
version := vars["version"]
projectName := vars["project-name"]
ret, err := h.client.GetCompositeApp(name, version, projectName)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(ret)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
// getAllCompositeAppsHandler handles the GetAllComppositeApps, returns a list of compositeApps under a project
func (h compositeAppHandler) getAllCompositeAppsHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
pName := vars["project-name"]
var caList []moduleLib.CompositeApp
cApps, err := h.client.GetAllCompositeApps(pName)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
for _, cApp := range cApps {
caList = append(caList, moduleLib.CompositeApp{Metadata: cApp.Metadata, Spec: cApp.Spec})
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(caList)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
return
}
// deleteHandler handles DELETE operations on a particular CompositeApp Name
func (h compositeAppHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["composite-app-name"]
version := vars["version"]
projectName := vars["project-name"]
err := h.client.DeleteCompositeApp(name, version, projectName)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
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