81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package laniakea
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
type ApiResponse[R any] struct {
|
|
Ok bool `json:"ok"`
|
|
Description string `json:"description,omitempty"`
|
|
Result R `json:"result,omitempty"`
|
|
ErrorCode int `json:"error_code,omitempty"`
|
|
}
|
|
|
|
type TelegramRequest[R, P any] struct {
|
|
method string
|
|
params P
|
|
}
|
|
|
|
func NewRequest[R, P any](method string, params P) TelegramRequest[R, P] {
|
|
return TelegramRequest[R, P]{method: method, params: params}
|
|
}
|
|
func (r TelegramRequest[R, P]) Do(bot *Bot) (*R, error) {
|
|
var buf bytes.Buffer
|
|
err := json.NewEncoder(&buf).Encode(r.params)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if bot.requestLogger != nil {
|
|
bot.requestLogger.Debugln(strings.ReplaceAll(fmt.Sprintf(
|
|
"POST https://api.telegram.org/bot%s/%s %s",
|
|
"<TOKEN>", r.method, buf.String(),
|
|
), "\n", ""))
|
|
}
|
|
|
|
req, err := http.Post(fmt.Sprintf("https://api.telegram.org/bot%s/%s", bot.token, r.method), "application/json", &buf)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer req.Body.Close()
|
|
data, err := io.ReadAll(req.Body)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if bot.requestLogger != nil {
|
|
bot.requestLogger.Debugln(fmt.Sprintf("RES %s %s", r.method, string(data)))
|
|
}
|
|
|
|
response := new(ApiResponse[R])
|
|
err = json.Unmarshal(data, &response)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !response.Ok {
|
|
return nil, fmt.Errorf("[%d] %s", response.ErrorCode, response.Description)
|
|
}
|
|
return &response.Result, nil
|
|
}
|
|
|
|
func (b *Bot) GetFileByLink(link string) ([]byte, error) {
|
|
c := http.DefaultClient
|
|
u := fmt.Sprintf("https://api.telegram.org/file/bot%s/%s", b.token, link)
|
|
req, err := http.NewRequest("GET", u, nil)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
res, err := c.Do(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer res.Body.Close()
|
|
return io.ReadAll(res.Body)
|
|
}
|