From c3eaaab161371197b4f3bbd8145698c5788219df Mon Sep 17 00:00:00 2001
From: Maksim Ivanyukhin <ivmaks@gmail.com>
Date: Mon, 8 Oct 2018 18:56:46 +0300
Subject: [PATCH 1/3] add ParseMode config for Telegram

---
 provider/telegram/telegram.go | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/provider/telegram/telegram.go b/provider/telegram/telegram.go
index 90d3468..4dac41d 100644
--- a/provider/telegram/telegram.go
+++ b/provider/telegram/telegram.go
@@ -2,27 +2,41 @@ package telegram
 
 import (
 	"strconv"
+	"strings"
 
 	"github.com/messagebird/sachet"
 	"gopkg.in/telegram-bot-api.v4"
 )
 
 type TelegramConfig struct {
-	Token string `yaml:"token"`
+	Token     string `yaml:"token"`
+	ParseMode string `yaml:"parse_mode"`
 }
 
 type Telegram struct {
-	bot *tgbotapi.BotAPI
+	bot       *tgbotapi.BotAPI
+	ParseMode string
 }
 
 func NewTelegram(config TelegramConfig) (*Telegram, error) {
+	ParseMode := strings.ToLower(config.ParseMode)
+	switch ParseMode {
+	case "md", "markdown":
+		ParseMode = "Markdown"
+	case "html", "h":
+		ParseMode = "HTML"
+	default:
+		ParseMode = ""
+	}
+
 	bot, err := tgbotapi.NewBotAPI(config.Token)
 	if err != nil {
 		return nil, err
 	}
 
 	return &Telegram{
-		bot: bot,
+		bot:       bot,
+		ParseMode: ParseMode,
 	}, nil
 }
 
@@ -33,6 +47,7 @@ func (tg *Telegram) Send(message sachet.Message) error {
 			return err
 		}
 		msg := tgbotapi.NewMessage(chatID, message.Text)
+		msg.ParseMode = tg.ParseMode
 		_, err = tg.bot.Send(msg)
 		if err != nil {
 			return err

From 8037a9ee56698bdab0febb7dfd1a34aeb31335f6 Mon Sep 17 00:00:00 2001
From: Benjamin Delacour <bdelacour33@gmail.com>
Date: Fri, 12 Nov 2021 22:00:30 +0100
Subject: [PATCH 2/3] pass config to Telegram struct + rename TelegramConfig to
 Config + stop parsing parse_mode (trust config)

---
 cmd/sachet/config.go          |  2 +-
 provider/telegram/telegram.go | 28 +++++++++-------------------
 2 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/cmd/sachet/config.go b/cmd/sachet/config.go
index 9720618..68ecc8f 100644
--- a/cmd/sachet/config.go
+++ b/cmd/sachet/config.go
@@ -53,7 +53,7 @@ var config struct {
 		Exotel       exotel.ExotelConfig
 		CM           cm.CMConfig
 		MailruIM     mailruim.MailruIMConfig
-		Telegram     telegram.TelegramConfig
+		Telegram     telegram.Config
 		Turbosms     turbosms.TurbosmsConfig
 		Smsc         smsc.SmscConfig
 		OTC          otc.OTCConfig
diff --git a/provider/telegram/telegram.go b/provider/telegram/telegram.go
index 4dac41d..cbf8b85 100644
--- a/provider/telegram/telegram.go
+++ b/provider/telegram/telegram.go
@@ -1,42 +1,30 @@
 package telegram
 
 import (
-	"strconv"
-	"strings"
-
 	"github.com/messagebird/sachet"
 	"gopkg.in/telegram-bot-api.v4"
+	"strconv"
 )
 
-type TelegramConfig struct {
+type Config struct {
 	Token     string `yaml:"token"`
 	ParseMode string `yaml:"parse_mode"`
 }
 
 type Telegram struct {
 	bot       *tgbotapi.BotAPI
-	ParseMode string
+	config    *Config
 }
 
-func NewTelegram(config TelegramConfig) (*Telegram, error) {
-	ParseMode := strings.ToLower(config.ParseMode)
-	switch ParseMode {
-	case "md", "markdown":
-		ParseMode = "Markdown"
-	case "html", "h":
-		ParseMode = "HTML"
-	default:
-		ParseMode = ""
-	}
-
+func NewTelegram(config Config) (*Telegram, error) {
 	bot, err := tgbotapi.NewBotAPI(config.Token)
 	if err != nil {
 		return nil, err
 	}
 
 	return &Telegram{
-		bot:       bot,
-		ParseMode: ParseMode,
+		bot:    bot,
+		config: &config,
 	}, nil
 }
 
@@ -46,8 +34,10 @@ func (tg *Telegram) Send(message sachet.Message) error {
 		if err != nil {
 			return err
 		}
+
 		msg := tgbotapi.NewMessage(chatID, message.Text)
-		msg.ParseMode = tg.ParseMode
+		msg.ParseMode = tg.config.ParseMode
+
 		_, err = tg.bot.Send(msg)
 		if err != nil {
 			return err

From 18cb0bfac9be295f4d204545a155bb47e3acc34e Mon Sep 17 00:00:00 2001
From: Benjamin Delacour <bdelacour33@gmail.com>
Date: Mon, 15 Nov 2021 11:03:20 +0100
Subject: [PATCH 3/3] add DisableWebPagePreview feature to Telegram provider

---
 provider/telegram/telegram.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/provider/telegram/telegram.go b/provider/telegram/telegram.go
index cbf8b85..2d5ec59 100644
--- a/provider/telegram/telegram.go
+++ b/provider/telegram/telegram.go
@@ -7,13 +7,14 @@ import (
 )
 
 type Config struct {
-	Token     string `yaml:"token"`
-	ParseMode string `yaml:"parse_mode"`
+	Token                 string `yaml:"token"`
+	ParseMode             string `yaml:"parse_mode"`
+	DisableWebPagePreview bool   `yaml:"disable_web_page_preview"`
 }
 
 type Telegram struct {
-	bot       *tgbotapi.BotAPI
-	config    *Config
+	bot    *tgbotapi.BotAPI
+	config *Config
 }
 
 func NewTelegram(config Config) (*Telegram, error) {
@@ -37,6 +38,7 @@ func (tg *Telegram) Send(message sachet.Message) error {
 
 		msg := tgbotapi.NewMessage(chatID, message.Text)
 		msg.ParseMode = tg.config.ParseMode
+		msg.DisableWebPagePreview = tg.config.DisableWebPagePreview
 
 		_, err = tg.bot.Send(msg)
 		if err != nil {