33 lines
820 B
Go
33 lines
820 B
Go
|
// Package http provides the
|
||
|
|
// logic of the webserver
|
||
|
|
package http
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"errors"
|
||
|
|
"net/http"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Function to read data from a request via json format
|
||
|
|
// Input: pointer to http request r, interface to
|
||
|
|
func Read(r *http.Request, to interface{}) (err error) {
|
||
|
|
if r.Header.Get("Content-Type") != "application/json" {
|
||
|
|
err = errors.New("no json data recived")
|
||
|
|
return
|
||
|
|
}
|
||
|
|
err = json.NewDecoder(r.Body).Decode(to)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
// Function to write data as json to a http output
|
||
|
|
// Input: http response writer w, interface data
|
||
|
|
func Write(w http.ResponseWriter, data interface{}) {
|
||
|
|
js, err := json.Marshal(data)
|
||
|
|
if err != nil {
|
||
|
|
http.Error(w, "failed to encode response: "+err.Error(), http.StatusInternalServerError)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
w.Header().Set("Content-Type", "application/json")
|
||
|
|
w.Write(js)
|
||
|
|
}
|