84 lines
1.6 KiB
Go
84 lines
1.6 KiB
Go
package telegram
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io/ioutil"
|
|
"log"
|
|
"net/http"
|
|
"net/url"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
const badChars = "_*[]()~`>#+-=|{}.!"
|
|
|
|
type Client struct {
|
|
Key string
|
|
Offset int64
|
|
}
|
|
|
|
func (c *Client) GetUpdates() (Response, error) {
|
|
var res Response
|
|
|
|
resp, err := http.Get("https://api.telegram.org/" + c.Key + "/getUpdates?offset=" + strconv.FormatInt(c.Offset, 10))
|
|
if err != nil {
|
|
return res, err
|
|
}
|
|
|
|
body, err := ioutil.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return res, err
|
|
}
|
|
|
|
err = json.Unmarshal(body, &res)
|
|
|
|
if len(res.Result) > 0 {
|
|
log.Println("Last update: ", res.Result[len(res.Result)-1].UpdateID)
|
|
c.Offset = res.Result[len(res.Result)-1].UpdateID + 1
|
|
}
|
|
|
|
return res, err
|
|
}
|
|
|
|
func EscapeMarkdown(msg string) string {
|
|
for _, char := range badChars {
|
|
ch := string(char)
|
|
msg = strings.Replace(msg, ch, "\\"+ch, -1)
|
|
}
|
|
return msg
|
|
}
|
|
|
|
func (c *Client) SendMarkdownMessage(chatId, body string) (*SendMessageResponse, error) {
|
|
return c.SendMessage(chatId, body, url.Values{"parse_mode": {"MarkdownV2"}})
|
|
}
|
|
|
|
func (c *Client) SendMessage(chatId, body string, options ...url.Values) (ret *SendMessageResponse, err error) {
|
|
values := url.Values{
|
|
"chat_id": {chatId},
|
|
"text": {body},
|
|
}
|
|
for _, vals := range options {
|
|
for key, val := range vals {
|
|
values[key] = val
|
|
}
|
|
}
|
|
|
|
response, err := http.PostForm("https://api.telegram.org/"+c.Key+"/sendMessage", values)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
defer func() {
|
|
err = response.Body.Close()
|
|
}()
|
|
|
|
resbody, err := ioutil.ReadAll(response.Body)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var res SendMessageResponse
|
|
err = json.Unmarshal(resbody, &res)
|
|
return &res, err
|
|
}
|