one executable file

.gitignore

@@ -1,2 +1,3 @@
 .env
-vendor
+vendor
+dist/

.goreleaser.yaml

@@ -0,0 +1,29 @@
+# This is an example .goreleaser.yml file with some sensible defaults.
+# Make sure to check the documentation at https://goreleaser.com
+
+# The lines below are called `modelines`. See `:help modeline`
+# Feel free to remove those if you don't want/need to use them.
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+# vim: set ts=2 sw=2 tw=0 fo=cnqoj
+
+version: 2
+
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+    # you may remove this if you don't need go generate
+    - go generate ./...
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+
+archives:
+  - files:
+      - none*
+

internal/tgbot/tgbot.go

@@ -14,18 +14,32 @@ var staticKeyboard = tgbotapi.NewReplyKeyboard(
 )
 
 type TgBot struct {
-	token      string
-	greeting   string
-	errorMsg   string
-	translator *translator.Translator
+	Name                  string
+	Link                  string
+	token                 string
+	greeting              string
+	errorMsg              string
+	translator            *translator.Translator
+	otherBotsDiscoverFunc func() map[string]string
 }
 
-func New(token, greeting, errorMsg string, translator *translator.Translator) *TgBot {
+func New(
+	name,
+	link,
+	token,
+	greeting,
+	errorMsg string,
+	translator *translator.Translator,
+	otherBotsDiscoverFunc func() map[string]string,
+) *TgBot {
 	return &TgBot{
-		token:      token,
-		greeting:   greeting,
-		errorMsg:   errorMsg,
-		translator: translator,
+		Name:                  name,
+		Link:                  link,
+		token:                 token,
+		greeting:              greeting,
+		errorMsg:              errorMsg,
+		translator:            translator,
+		otherBotsDiscoverFunc: otherBotsDiscoverFunc,
 	}
 }
 
@@ -66,14 +80,16 @@ func (t *TgBot) PollTgApiAndRespond() {
 		if update.Message.IsCommand() {
 			switch update.Message.Command() {
 			case "otherBots":
+				otherBots := t.otherBotsDiscoverFunc()
+
+				otherBotButtons := []tgbotapi.InlineKeyboardButton{}
+				for name, link := range otherBots {
+					otherBotButtons = append(otherBotButtons, tgbotapi.NewInlineKeyboardButtonURL(name, link))
+				}
+
 				var otherBotsKeyboard = tgbotapi.NewInlineKeyboardMarkup(
 					tgbotapi.NewInlineKeyboardRow(
-						tgbotapi.NewInlineKeyboardButtonURL("Ru-Ua", "tg://resolve?domain=@RuToUaTranslatorBot"),
-						tgbotapi.NewInlineKeyboardButtonURL("Ua-Ru", "tg://resolve?domain=@UaToRuTranslatorBot"),
-						tgbotapi.NewInlineKeyboardButtonURL("En-Ru", "tg://resolve?domain=@EnToRuTranslatorBot"),
-						tgbotapi.NewInlineKeyboardButtonURL("Ru-En", "tg://resolve?domain=@RuToEnTranslatorBot"),
-						tgbotapi.NewInlineKeyboardButtonURL("En-Ua", "tg://resolve?domain=@EnToUaTranslatorBot"),
-						tgbotapi.NewInlineKeyboardButtonURL("Ua-En", "tg://resolve?domain=@UaToEnTranslatorBot"),
+						otherBotButtons...,
 					),
 				)
 				replyMsg.ReplyMarkup = otherBotsKeyboard

main.go

@@ -0,0 +1,118 @@
+package main
+
+import (
+	"github.com/joho/godotenv"
+	"os"
+	"sync"
+	"tg_translate_bots/internal/tgbot"
+	"tg_translate_bots/internal/translator"
+	"tg_translate_bots/internal/translator/client"
+)
+
+func main() {
+	_ = godotenv.Load(".env")
+
+	var botsPtr *[]*tgbot.TgBot
+	botsDiscoverFunc := func() map[string]string {
+		botsMap := make(map[string]string)
+		for _, bot := range *botsPtr {
+			botsMap[bot.Name] = bot.Link
+		}
+		return botsMap
+	}
+
+	var bots = []*tgbot.TgBot{
+		tgbot.New(
+			"En-Ru",
+			"tg://resolve?domain=@EnToRuTranslatorBot",
+			os.Getenv("EN_TO_RU_TG_BOT_TOKEN"),
+			"Hello. I translate all messages from English to Russian.",
+			"An error occurred while translating the message.",
+			translator.New(
+				"EN",
+				"RU",
+				&client.DeeplClient{},
+			),
+			botsDiscoverFunc,
+		),
+		tgbot.New(
+			"En-Ua",
+			"tg://resolve?domain=@EnToUaTranslatorBot",
+			os.Getenv("EN_TO_UA_TG_BOT_TOKEN"),
+			"Hello. I translate all messages from English to Ukrainian.",
+			"An error occurred while translating the message.",
+			translator.New(
+				"EN",
+				"UK",
+				&client.DeeplClient{},
+			),
+			botsDiscoverFunc,
+		),
+		tgbot.New(
+			"Ru-En",
+			"tg://resolve?domain=@RuToEnTranslatorBot",
+			os.Getenv("RU_TO_EN_TG_BOT_TOKEN"),
+			"Привет. Я перевожу все сообщения с русского на английский язык.",
+			"Произошла ошибка при переводе сообщения.",
+			translator.New(
+				"RU",
+				"EN",
+				&client.DeeplClient{},
+			),
+			botsDiscoverFunc,
+		),
+		tgbot.New(
+			"Ru-Ua",
+			"tg://resolve?domain=@RuToUaTranslatorBot",
+			os.Getenv("RU_TO_UA_TG_BOT_TOKEN"),
+			"Привет. Я перевожу все сообщения с русского на украинский язык.",
+			"Произошла ошибка при переводе сообщения.",
+			translator.New(
+				"RU",
+				"UK",
+				&client.DeeplClient{},
+			),
+			botsDiscoverFunc,
+		),
+		tgbot.New(
+			"Ua-En",
+			"tg://resolve?domain=@UaToEnTranslatorBot",
+			os.Getenv("UA_TO_EN_TG_BOT_TOKEN"),
+			"Привіт. Я перекладаю всі повідомлення з української на англійську мову.",
+			"Сталася помилка під час перекладу повідомлення.",
+			translator.New(
+				"UK",
+				"EN",
+				&client.DeeplClient{},
+			),
+			botsDiscoverFunc,
+		),
+		tgbot.New(
+			"Ua-Ru",
+			"tg://resolve?domain=@UaToRuTranslatorBot",
+			os.Getenv("UA_TO_RU_TG_BOT_TOKEN"),
+			"Привіт. Я перекладаю всі повідомлення з української на російську мову.",
+			"Сталася помилка під час перекладу повідомлення.",
+			translator.New(
+				"UK",
+				"RU",
+				&client.DeeplClient{},
+			),
+			botsDiscoverFunc,
+		),
+	}
+
+	botsPtr = &bots
+
+	var wg sync.WaitGroup
+	wg.Add(len(bots))
+
+	for _, bot := range bots {
+		go func(bot *tgbot.TgBot) {
+			defer wg.Done()
+			bot.PollTgApiAndRespond()
+		}(bot)
+	}
+
+	wg.Wait()
+}