portainer/api/http/templates_handler.go

57 lines
1.5 KiB
Go

package http
import (
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
)
// TemplatesHandler represents an HTTP API handler for managing templates.
type TemplatesHandler struct {
*mux.Router
Logger *log.Logger
middleWareService *middleWareService
templatesURL string
}
// NewTemplatesHandler returns a new instance of TemplatesHandler.
func NewTemplatesHandler(middleWareService *middleWareService) *TemplatesHandler {
h := &TemplatesHandler{
Router: mux.NewRouter(),
Logger: log.New(os.Stderr, "", log.LstdFlags),
middleWareService: middleWareService,
}
h.Handle("/templates", middleWareService.addMiddleWares(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
h.handleGetTemplates(w, r)
})))
return h
}
// handleGetTemplates handles GET requests on /templates
func (handler *TemplatesHandler) handleGetTemplates(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
handleNotAllowed(w, []string{http.MethodGet})
return
}
resp, err := http.Get(handler.templatesURL)
if err != nil {
log.Print(err)
http.Error(w, fmt.Sprintf("Error making request to %s: %s", handler.templatesURL, err.Error()), http.StatusInternalServerError)
return
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
log.Print(err)
http.Error(w, "Error reading body from templates URL", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(body)
}