Notes/request_response.go

package main

import (
	// Standard
	"encoding/json"
	"errors"
	"io"
	"net/http"
)

type Request struct {
	ID string
}

func responseError(w http.ResponseWriter, err error) {
	res := map[string]interface{}{
		"ok": false,
		"error": err.Error(),
	}
	resJSON, _ := json.Marshal(res)

	w.Header().Add("Content-Type", "application/json")
	w.Write(resJSON)
}

func responseData(w http.ResponseWriter, data interface{}) {
	resJSON, _ := json.Marshal(data)
	w.Header().Add("Content-Type", "application/json")
	w.Write(resJSON)
}

func request(r *http.Request, data interface{}) (err error) {
	body, _ := io.ReadAll(r.Body)
	defer r.Body.Close()
	err = json.Unmarshal(body, data)
	return
}

func sessionUUID(r *http.Request) (string, error) {
	headers := r.Header["X-Session-Id"]
	if len(headers) > 0 {
		return headers[0], nil
	}
	return "", errors.New("Invalid session")
}