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requests.go
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requests.go
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package yandexdelivery
import (
"bytes"
"encoding/json"
"fmt"
"github.com/vildan-valeev/yandexdelivery/responses"
"io"
"log"
"net/http"
"net/url"
)
func post[T responses.APIResponse](debugMode bool, token, base, endpoint string, vals url.Values, payload []byte) (res T, err error) {
u, err := joinURL(base, endpoint, vals)
if err != nil {
return res, err
}
if debugMode {
debug("YANDEX BODY REQUEST", payload)
}
statusCode, cnt, err := sendRequest(http.MethodPost, token, u, payload)
if err != nil {
return res, err
}
if debugMode {
debug("YANDEX BODY RESPONSE", cnt)
}
if err = json.Unmarshal(cnt, &res); err != nil {
return
}
err = check(statusCode, res)
return
}
func get[T responses.APIResponse](debugMode bool, token, base, endpoint string, vals url.Values, payload []byte) (res T, err error) {
u, err := joinURL(base, endpoint, vals)
if err != nil {
return res, err
}
if debugMode {
debug("YANDEX BODY REQUEST", payload)
}
statusCode, cnt, err := sendRequest(http.MethodGet, token, u, payload)
if err != nil {
return res, err
}
if debugMode {
debug("YANDEX BODY RESPONSE", cnt)
}
if err = json.Unmarshal(cnt, &res); err != nil {
return
}
err = check(statusCode, res)
return
}
func getFile[T responses.APIResponse](debugMode bool, token, base, endpoint string, vals url.Values, payload []byte) (res T, err error) {
u, err := joinURL(base, endpoint, vals)
if err != nil {
return res, err
}
if debugMode {
debug("YANDEX BODY REQUEST", payload)
}
statusCode, cnt, err := sendRequest(http.MethodGet, token, u, payload)
if err != nil {
return res, err
}
if debugMode {
debug("YANDEX BODY RESPONSE", cnt)
}
if err = json.Unmarshal(cnt, &res); err != nil {
return
}
err = check(statusCode, res)
return
}
func check(code int, r responses.APIResponse) error {
b := r.Base()
// обрабатываем только те, что допустимы по документации YandexAPI https://yandex.ru/dev/logistics/api/about/intro.html
// все остальное в default error
switch code {
case http.StatusOK:
return nil
case http.StatusBadRequest, http.StatusForbidden, http.StatusNotFound, http.StatusConflict, http.StatusTooManyRequests:
return &APIError{code: Code(b.Code), message: b.Message}
default:
return &APIError{code: "unknown", message: "unknown error"}
}
}
// sendPostRequest is used to send an HTTP POST request.
func sendRequest(method, token, url string, payload []byte) (int, []byte, error) {
req, err := http.NewRequest(method, url, bytes.NewBuffer(payload))
if err != nil {
return 0, []byte{}, err
}
req.Header.Add("Authorization", "Bearer "+token)
req.Header.Add("Accept-Language", "ru")
req.Header.Add("Content-Type", "application/json")
var client = new(http.Client)
res, err := client.Do(req)
if err != nil {
return 0, []byte{}, err
}
defer res.Body.Close()
data, err := io.ReadAll(res.Body)
if err != nil {
return 0, []byte{}, err
}
return res.StatusCode, data, nil
}
func joinURL(base, endpoint string, vals url.Values) (addr string, err error) {
addr, err = url.JoinPath(base, endpoint)
if err != nil {
return
}
if vals != nil {
if queries := vals.Encode(); queries != "" {
addr = fmt.Sprintf("%s?%s", addr, queries)
}
}
return
}
func debug(msg string, content []byte) {
dst := &bytes.Buffer{}
if err := json.Indent(dst, content, "", " "); err != nil {
log.Println(err)
}
log.Printf("%s:\n%s\n", msg, dst.String())
}