generic_handle.go

package main

import (
	"encoding/json"
	"fmt"
	"net/http"
)

func handleResponse[T any](resp *http.Response, err error, t *T) error {
	if err != nil {
		return err
	}

	if resp == nil {
		return fmt.Errorf("response is nil")
	}

	defer resp.Body.Close()

	if resp.StatusCode != http.StatusOK {
		return fmt.Errorf("unexpected status code: %d", resp.StatusCode)
	}

	return json.NewDecoder(resp.Body).Decode(t)
}

func handleRequest[T any](req *http.Request, t *T) error {
	if req == nil {
		return fmt.Errorf("request is nil")
	}

	defer req.Body.Close()
	return json.NewDecoder(req.Body).Decode(t)
}

func main() {
}