Move support of channel to helper with TDLib

Now we're discarding messages sent directly to us, except for
messages from @fw_zookeeper.

domains/battles/v1/announce.go

@@ -0,0 +1,32 @@
+// Fantasy World Zookeeper Bot
+// Copyright (c) 2018 Vladimir "fat0troll" Hodakov
+
+package battlesv1
+
+import (
+	"gitlab.com/toby3d/telegram"
+	itelegram "lab.wtfteam.pro/fat0troll/fw_zookeeper/local/telegram"
+	"strings"
+)
+
+// AnnounceBattle posts battle announce to channel
+func AnnounceBattle(update *telegram.Update) {
+	announcerID := 788961789
+	if update.Message.From.ID != announcerID {
+		log.Warn().Msgf("Someone trying to mimic announcer: user with ID %d and username %s", update.Message.From.ID, update.Message.From.Username)
+		return
+	}
+
+	battleInformationArray := strings.Split(update.Message.Text, " ")
+	if len(battleInformationArray) != 2 {
+		log.Error().Msgf("Unexpected battle information format: got %d elements instead of 2", len(battleInformationArray))
+		return
+	}
+	battleType := battleInformationArray[0]
+	battleTag := battleInformationArray[1]
+
+	log.Debug().Msgf("Battle type «%s», battle tag %s", battleType, battleTag)
+
+	itelegram.RespondWithoutMarkdown(c.Config.Announces.ChannelID, battleType)
+	itelegram.RespondWithoutMarkdown(c.Config.Announces.ChannelID, battleTag)
+}

domains/battles/v1/forward.go

@@ -11,11 +11,27 @@ import (
 
 // ForwardCommand responds to fight request
 func ForwardCommand(update *telegram.Update) {
+	message := ""
+	if update.Message.From.ID != 788961789 {
+		message := "*Смотритель более не принимает прямые запросы*\n"
+		message += "Люди глупы и безрассудны. Им дали возможность позвать на помощь — но они пользуются ею, чтобы самоутвердиться. Довольно!\n"
+		message += "Зовите на помощь @fw\\_zookeeper, как живого человека — через кнопку «Позвать на помощь» в игре.\n"
+		message += "Доброй охоты!"
+		itelegram.RespondWithMarkdown(update.Message.Chat.ID, message)
+	} else {
+		switch {
+		case strings.HasPrefix(update.Message.Text, "Кабаны!"):
+			AnnounceBattle(update)
+		case strings.HasPrefix(update.Message.Text, "Огры!"):
+			AnnounceBattle(update)
+		case strings.HasPrefix(update.Message.Text, "Буйволы!"):
+			AnnounceBattle(update)
+		default:
 			log.Info().Msg("Battle request received!")
 			if update.Message.Chat.ID == c.Config.Announces.ChannelID {
 				log.Info().Msg("This battle is already posted")
 			}
-	message := update.Message.Text
+			message = update.Message.Text
 			if !strings.Contains(message, "join") {
 				message = strings.Replace(message, "fight", "join_fight", 1)
 			}
@@ -23,3 +39,5 @@ func ForwardCommand(update *telegram.Update) {
 
 			itelegram.RespondWithoutMarkdown(c.Config.Announces.ChannelID, message)
 		}
+	}
+}