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/*
* Copyright 2019 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"
"github.com/gorilla/mux"
"github.com/onap/multicloud-k8s/src/orchestrator/pkg/infra/validation"
moduleLib "github.com/onap/multicloud-k8s/src/orchestrator/pkg/module"
)
var projectJSONFile string = "json-schemas/metadata.json"
// Used to store backend implementations objects
// Also simplifies mocking for unit testing purposes
type projectHandler struct {
// Interface that implements Project operations
// We will set this variable with a mock interface for testing
client moduleLib.ProjectManager
}
// Create handles creation of the Project entry in the database
func (h projectHandler) createHandler(w http.ResponseWriter, r *http.Request) {
var p moduleLib.Project
err := json.NewDecoder(r.Body).Decode(&p)
switch {
case err == io.EOF:
http.Error(w, "Empty body", http.StatusBadRequest)
return
case err != nil:
http.Error(w, err.Error(), http.StatusUnprocessableEntity)
return
}
// Verify JSON Body
err, httpError := validation.ValidateJsonSchemaData(projectJSONFile, p)
if err != nil {
http.Error(w, err.Error(), httpError)
return
}
ret, err := h.client.CreateProject(p, false)
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
}
}
// Update handles updating the Project entry in the database
func (h projectHandler) updateHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["project-name"]
var p moduleLib.Project
err := json.NewDecoder(r.Body).Decode(&p)
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 p.MetaData.Name == "" {
http.Error(w, "Missing name in PUT request", http.StatusBadRequest)
return
}
// Name in URL should match name in body
if p.MetaData.Name != name {
http.Error(w, "Mismatched name in PUT request", http.StatusBadRequest)
return
}
ret, err := h.client.CreateProject(p, true)
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
}
}
// Get handles GET operations on a particular Project Name
// Returns a Project
func (h projectHandler) getHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["project-name"]
// handle for get all projects
if len(name) == 0 {
var pList []moduleLib.Project
projects, err := h.client.GetAllProjects()
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
for _, p := range projects {
pList = append(pList, moduleLib.Project{MetaData: p.MetaData})
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
err = json.NewEncoder(w).Encode(pList)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
return
}
ret, err := h.client.GetProject(name)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
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
}
}
// Delete handles DELETE operations on a particular Project Name
func (h projectHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
name := vars["project-name"]
_, err := h.client.GetProject(name)
if err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
err = h.client.DeleteProject(name)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusNoContent)
}
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