/
telegram_client.go
69 lines (54 loc) · 1.61 KB
/
telegram_client.go
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package telegram
import (
"encoding/json"
"fmt"
"github.com/containrrr/shoutrrr/pkg/util/jsonclient"
)
// Client for Telegram API
type Client struct {
token string
}
func (c *Client) apiURL(endpoint string) string {
return fmt.Sprintf(apiFormat, c.token, endpoint)
}
// GetBotInfo returns the bot User info
func (c *Client) GetBotInfo() (*User, error) {
response := &userResponse{}
err := jsonclient.Get(c.apiURL("getMe"), response)
if !response.OK {
return nil, GetErrorResponse(jsonclient.ErrorBody(err))
}
return &response.Result, nil
}
// GetUpdates retrieves the latest updates
func (c *Client) GetUpdates(offset int, limit int, timeout int, allowedUpdates []string) ([]Update, error) {
request := &updatesRequest{
Offset: offset,
Limit: limit,
Timeout: timeout,
AllowedUpdates: allowedUpdates,
}
response := &updatesResponse{}
err := jsonclient.Post(c.apiURL("getUpdates"), request, response)
if !response.OK {
return nil, GetErrorResponse(jsonclient.ErrorBody(err))
}
return response.Result, nil
}
// SendMessage sends the specified Message
func (c *Client) SendMessage(message *SendMessagePayload) (*Message, error) {
response := &messageResponse{}
err := jsonclient.Post(c.apiURL("sendMessage"), message, response)
if !response.OK {
return nil, GetErrorResponse(jsonclient.ErrorBody(err))
}
return response.Result, nil
}
// GetErrorResponse retrieves the error message from a failed request
func GetErrorResponse(body string) error {
response := &errorResponse{}
if err := json.Unmarshal([]byte(body), response); err == nil {
return response
}
return nil
}