golang-lib/http/io.go

31 lines
774 B
Go

// Package that provides the logic of the webserver
package http
import (
"encoding/json"
"errors"
"net/http"
"strings"
)
// Function to read data from a http request via json format (input)
func Read(r *http.Request, to interface{}) (err error) {
if !strings.Contains(r.Header.Get("Content-Type"), "application/json") {
err = errors.New("no json request recieved")
return
}
err = json.NewDecoder(r.Body).Decode(to)
return
}
// Function to write data as json to a http response (output)
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)
}