whatsapp: create missing threads on Picture or Group events

Now if a Picture or Group event comes and the corresponding thread does
not exist, you can enable creation of such threads by setting
`whatsapp.create_thread_for_info_updates` to true in your config

sample_config.yaml

@@ -57,6 +57,7 @@ whatsapp:
   send_revoked_message_updates: false
   whatsmeow_debug_mode: false
   send_my_messages_from_other_devices: false      # If set to true, the messages sent by you from other devices will be sent to Telgram as well
+  create_thread_for_info_updates: false  # If set to true, new thread will be created (if it doesn't exist) when profile picture changes for group/someone and when group metadata/members changes
   #login_database:               # Uncomment only if you want to use something other than sqlite
   #  type: sqlite3
   #  url: file:wawebstore.db?foreign_keys=on

state/config.go

@@ -32,7 +32,7 @@ type Config struct {
 		SendMyPresence      bool    `yaml:"send_my_presence"`
 		SendMyReadReceipts  bool    `yaml:"send_my_read_receipts"`
 		SilentConfirmation  bool    `yaml:"silent_confirmation"`
-		EmojiConfirmation  bool    `yaml:"emoji_confirmation"`
+		EmojiConfirmation   bool    `yaml:"emoji_confirmation"`
 	} `yaml:"telegram"`
 
 	WhatsApp struct {
@@ -64,6 +64,7 @@ type Config struct {
 		SendRevokedMessageUpdates      bool     `yaml:"send_revoked_message_updates"`
 		WhatsmeowDebugMode             bool     `yaml:"whatsmeow_debug_mode"`
 		SendMyMessagesFromOtherDevices bool     `yaml:"send_my_messages_from_other_devices"`
+		CreateThreadForInfoUpdates     bool     `yaml:"create_thread_for_info_updates"`
 	} `yaml:"whatsapp"`
 
 	Database map[string]string `yaml:"database"`

whatsapp/handlers.go

@@ -1306,10 +1306,21 @@ func PictureEventHandler(v *events.Picture) {
 			"no thread found for a WhatsApp chat (handling Picture event)",
 			zap.String("chat", v.JID.String()),
 		)
-		return
+		if !cfg.WhatsApp.CreateThreadForInfoUpdates {
+			return
+		}
 	}
 
 	if v.JID.Server == waTypes.GroupServer {
+		tgThreadId, err = utils.TgGetOrMakeThreadFromWa(v.JID.ToNonAD().String(), cfg.Telegram.TargetChatID, utils.WaGetGroupName(v.JID))
+		if err != nil {
+			logger.Warn(
+				"failed to create a new thread for a WhatsApp chat (handling Picture event)",
+				zap.String("chat", v.JID.String()),
+				zap.Error(err),
+			)
+			return
+		}
 		changer := utils.WaGetContactName(v.Author)
 		if v.Remove {
 			updateText := fmt.Sprintf("The profile picture was removed by %s", html.EscapeString(changer))
@@ -1353,8 +1364,17 @@ func PictureEventHandler(v *events.Picture) {
 			}
 		}
 	} else if v.JID.Server == waTypes.DefaultUserServer {
+		tgThreadId, err = utils.TgGetOrMakeThreadFromWa(v.JID.ToNonAD().String(), cfg.Telegram.TargetChatID, utils.WaGetContactName(v.JID.ToNonAD()))
+		if err != nil {
+			logger.Warn(
+				"failed to create a new thread for a WhatsApp chat (handling Picture event)",
+				zap.String("chat", v.JID.String()),
+				zap.Error(err),
+			)
+			return
+		}
 		if v.Remove {
-			updateText := fmt.Sprintf("The profile picture was removed")
+			updateText := "The profile picture was removed"
 			err = utils.TgSendTextById(
 				tgBot, cfg.Telegram.TargetChatID, tgThreadId,
 				updateText,
@@ -1424,7 +1444,19 @@ func GroupInfoEventHandler(v *events.GroupInfo) {
 			"no thread found for a WhatsApp chat (handling GroupInfo event)",
 			zap.String("chat", v.JID.String()),
 		)
-		return
+		if cfg.WhatsApp.CreateThreadForInfoUpdates {
+			tgThreadId, err = utils.TgGetOrMakeThreadFromWa(v.JID.ToNonAD().String(), cfg.Telegram.TargetChatID, utils.WaGetGroupName(v.JID))
+			if err != nil {
+				logger.Warn(
+					"failed to create a new thread for a WhatsApp chat (handling GroupInfo event)",
+					zap.String("chat", v.JID.String()),
+					zap.Error(err),
+				)
+				return
+			}
+		} else {
+			return
+		}
 	}
 
 	if v.Announce != nil {