60 lines
1.0 KiB
Go
60 lines
1.0 KiB
Go
package laniakea
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import (
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"bytes"
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"fmt"
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"io"
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"log"
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"mime/multipart"
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"net/http"
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"strconv"
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)
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type Uploader struct {
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bot *Bot
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}
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func NewUploader(bot *Bot) *Uploader {
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return &Uploader{bot: bot}
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}
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func (u *Uploader) UploadPhoto(chatId int, data []byte) error {
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url := fmt.Sprintf("https://api.telegram.org/bot%s/sendPhoto", u.bot.token)
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buf := bytes.NewBuffer(nil)
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w := multipart.NewWriter(buf)
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defer w.Close()
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err := w.WriteField("chat_id", strconv.Itoa(chatId))
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if err != nil {
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return err
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}
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fw, err := w.CreateFormFile("photo", "photo.jpg")
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if err != nil {
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return err
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}
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_, err = fw.Write(data)
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if err != nil {
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return err
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}
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err = w.Close()
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if err != nil {
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return err
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}
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req, err := http.NewRequest("POST", url, buf)
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", w.FormDataContentType())
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return err
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}
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log.Println("upload", string(body))
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return nil
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}
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