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telegram_json.go
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telegram_json.go
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package telegram
import (
"fmt"
"html"
)
// SendMessagePayload is the notification payload for the telegram notification service
type SendMessagePayload struct {
Text string `json:"text"`
ID string `json:"chat_id"`
ParseMode string `json:"parse_mode,omitempty"`
DisablePreview bool `json:"disable_web_page_preview"`
DisableNotification bool `json:"disable_notification"`
ReplyMarkup *replyMarkup `json:"reply_markup,omitempty"`
Entities []entity `json:"entities,omitempty"`
ReplyTo int64 `json:"reply_to_message_id"`
MessageID int64 `json:"message_id,omitempty"`
}
// Message represents one chat message
type Message struct {
MessageID int64 `json:"message_id"`
Text string `json:"text"`
From *User `json:"from"`
Chat *Chat `json:"chat"`
}
type messageResponse struct {
OK bool `json:"ok"`
Result *Message `json:"result"`
}
func createSendMessagePayload(message string, channel string, config *Config) SendMessagePayload {
payload := SendMessagePayload{
Text: message,
ID: channel,
DisableNotification: !config.Notification,
DisablePreview: !config.Preview,
}
parseMode := config.ParseMode
if config.ParseMode == ParseModes.None && config.Title != "" {
parseMode = ParseModes.HTML
// no parse mode has been provided, treat message as unescaped HTML
message = html.EscapeString(message)
}
if parseMode != ParseModes.None {
payload.ParseMode = parseMode.String()
}
// only HTML parse mode is supported for titles
if parseMode == ParseModes.HTML {
payload.Text = fmt.Sprintf("<b>%v</b>\n%v", html.EscapeString(config.Title), message)
}
return payload
}
type errorResponse struct {
OK bool `json:"ok"`
ErrorCode int `json:"error_code"`
Description string `json:"description"`
}
func (e *errorResponse) Error() string {
return e.Description
}
type userResponse struct {
OK bool `json:"ok"`
Result User `json:"result"`
}
// User contains information about a telegram user or bot
type User struct {
// Unique identifier for this User or bot
ID int64 `json:"id"`
// True, if this User is a bot
IsBot bool `json:"is_bot"`
// User's or bot's first name
FirstName string `json:"first_name"`
// Optional. User's or bot's last name
LastName string `json:"last_name"`
// Optional. User's or bot's username
Username string `json:"username"`
// Optional. IETF language tag of the User's language
LanguageCode string `json:"language_code"`
// Optional. True, if the bot can be invited to groups. Returned only in getMe.
CanJoinGroups bool `json:"can_join_groups"`
// Optional. True, if privacy mode is disabled for the bot. Returned only in getMe.
CanReadAllGroupMessages bool `json:"can_read_all_group_messages"`
// Optional. True, if the bot supports inline queries. Returned only in getMe.
SupportsInlineQueries bool `json:"supports_inline_queries"`
}
type updatesRequest struct {
Offset int `json:"offset"`
Limit int `json:"limit"`
Timeout int `json:"timeout"`
AllowedUpdates []string `json:"allowed_updates"`
}
type updatesResponse struct {
OK bool `json:"ok"`
Result []Update `json:"result"`
}
type inlineQuery struct {
// Unique identifier for this query
ID string `json:"id"`
// Sender
From User `json:"from"`
// Text of the query (up to 256 characters)
Query string `json:"query"`
// Offset of the results to be returned, can be controlled by the bot
Offset string `json:"offset"`
}
type chosenInlineResult struct{}
// Update contains state changes since the previous Update
type Update struct {
// The Update's unique identifier. Update identifiers start from a certain positive number and increase sequentially. This ID becomes especially handy if you're using Webhooks, since it allows you to ignore repeated updates or to restore the correct Update sequence, should they get out of order. If there are no new updates for at least a week, then identifier of the next Update will be chosen randomly instead of sequentially.
UpdateID int `json:"update_id"`
// Optional. New incoming Message of any kind — text, photo, sticker, etc.
Message *Message `json:"Message"`
// Optional. New version of a Message that is known to the bot and was edited
EditedMessage *Message `json:"edited_message"`
// Optional. New incoming channel post of any kind — text, photo, sticker, etc.
ChannelPost *Message `json:"channel_post"`
// Optional. New version of a channel post that is known to the bot and was edited
EditedChannelPost *Message `json:"edited_channel_post"`
// Optional. New incoming inline query
InlineQuery *inlineQuery `json:"inline_query"`
//// Optional. The result of an inline query that was chosen by a User and sent to their chat partner. Please see our documentation on the feedback collecting for details on how to enable these updates for your bot.
ChosenInlineResult *chosenInlineResult `json:"chosen_inline_result"`
//// Optional. New incoming callback query
CallbackQuery *callbackQuery `json:"callback_query"`
//// Optional. New incoming shipping query. Only for invoices with flexible price
//ShippingQuery ShippingQuery `json:"shipping_query"`
//// Optional. New incoming pre-checkout query. Contains full information about checkout
//PreCheckoutQuery PreCheckoutQuery `json:"pre_checkout_query"`
/*
// Optional. New poll state. Bots receive only updates about stopped polls and polls, which are sent by the bot
Poll Poll `json:"poll"`
// Optional. A User changed their answer in a non-anonymous poll. Bots receive new votes only in polls that were sent by the bot itself.
Poll_answer PollAnswer `json:"poll_answer"`
*/
}
// Chat represents a telegram conversation
type Chat struct {
ID int64 `json:"id"`
Type string `json:"type"`
Title string `json:"title"`
Username string `json:"username"`
}
// Name returns the name of the channel based on its type
func (c *Chat) Name() string {
if c.Type == "private" || c.Type == "channel" {
return "@" + c.Username
}
return c.Title
}
type inlineKey struct {
Text string `json:"text"`
URL string `json:"url"`
LoginURL string `json:"login_url"`
CallbackData string `json:"callback_data"`
SwitchInlineQuery string `json:"switch_inline_query"`
SwitchInlineQueryCurrent string `json:"switch_inline_query_current_chat"`
}
type replyMarkup struct {
InlineKeyboard [][]inlineKey `json:"inline_keyboard,omitempty"`
}
type entity struct {
Type string `json:"type"`
Offset int `json:"offset"`
Length int `json:"length"`
}
type callbackQuery struct {
ID string `json:"id"`
From *User `json:"from"`
Message *Message `json:"Message"`
Data string `json:"data"`
}