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resource.go
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resource.go
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/*******************************************************************************
* Copyright 2019 Dell 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.
*
* @author: Tingyu Zeng, Dell
*******************************************************************************/
package proxy
import (
"errors"
"fmt"
"net/http"
"strings"
"github.com/edgexfoundry/edgex-go/internal"
"github.com/edgexfoundry/go-mod-core-contracts/clients/logger"
)
type Resource struct {
name string
client internal.HttpCaller
kongProxyBaseUrl string
loggingClient logger.LoggingClient
}
func NewResource(
name string,
r internal.HttpCaller,
kongProxyBaseUrl string,
lc logger.LoggingClient) *Resource {
return &Resource{
name: name,
client: r,
kongProxyBaseUrl: kongProxyBaseUrl,
loggingClient: lc,
}
}
func (r *Resource) Remove(path string) error {
tokens := []string{r.kongProxyBaseUrl, path, r.name}
req, err := http.NewRequest(http.MethodDelete, strings.Join(tokens, "/"), nil)
if err != nil {
e := fmt.Sprintf("failed to delete %s at %s with error %s", r.name, path, err.Error())
return errors.New(e)
}
resp, err := r.client.Do(req)
if err != nil {
e := fmt.Sprintf("failed to delete %s at %s with error %s", r.name, path, err.Error())
return errors.New(e)
}
defer resp.Body.Close()
switch resp.StatusCode {
case http.StatusOK, http.StatusCreated, http.StatusNoContent:
r.loggingClient.Info(fmt.Sprintf("successful to delete %s at %s", r.name, path))
break
default:
e := fmt.Sprintf("failed to delete %s at %s with errocode %d.", r.name, path, resp.StatusCode)
r.loggingClient.Error(e)
return errors.New(e)
}
return nil
}