mirror of
https://github.com/maputnik/editor.git
synced 2025-12-30 01:50:00 +00:00
82 lines
1.7 KiB
Go
82 lines
1.7 KiB
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
|
|
"github.com/gorilla/mux"
|
|
)
|
|
|
|
func StyleFileAccessor(filename string) styleFileAccessor {
|
|
file, err := os.OpenFile(filename, os.O_RDWR, 0666)
|
|
if err != nil {
|
|
log.Fatalf("Can not access style file: %s", err.Error())
|
|
}
|
|
|
|
return styleFileAccessor{file, styleId(file)}
|
|
}
|
|
|
|
func styleId(file *os.File) string {
|
|
raw, err := ioutil.ReadAll(file)
|
|
if err != nil {
|
|
log.Panicln(err)
|
|
}
|
|
|
|
var spec styleSpec
|
|
err = json.Unmarshal(raw, &spec)
|
|
if err != nil {
|
|
log.Panicln(err)
|
|
}
|
|
|
|
if spec.Id == "" {
|
|
fmt.Println("No id in style")
|
|
}
|
|
return spec.Id
|
|
}
|
|
|
|
type styleSpec struct {
|
|
Id string `json:"id"`
|
|
}
|
|
|
|
// Allows access to a single style file
|
|
type styleFileAccessor struct {
|
|
file *os.File
|
|
id string
|
|
}
|
|
|
|
func (fa styleFileAccessor) ListFiles(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
encoder := json.NewEncoder(w)
|
|
encoder.Encode([]string{fa.id})
|
|
}
|
|
|
|
func (fa styleFileAccessor) ReadFile(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
_ = vars["styleId"]
|
|
|
|
//TODO: Choose right file
|
|
// right now we just return the single file we know of
|
|
w.Header().Set("Content-Type", "application/json")
|
|
fa.file.Seek(0, 0)
|
|
if _, err := io.Copy(w, fa.file); err != nil {
|
|
log.Fatalf("Can not copy from file to request: %s", err.Error())
|
|
}
|
|
}
|
|
|
|
func (fa styleFileAccessor) SaveFile(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
_ = vars["styleId"]
|
|
|
|
//TODO: Save to right file
|
|
w.Header().Set("Content-Type", "application/json")
|
|
|
|
if _, err := io.Copy(fa.file, r.Body); err != nil {
|
|
log.Fatalf("Can not copy from request to file: %s", err.Error())
|
|
}
|
|
}
|