Add return constants package, and common message sender functions

Trying to resolve as much as possible ``gometalinter`` issues.

cmd/i2_bot/i2_bot.go

@@ -15,6 +15,7 @@ import (
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/pokedexer"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/reminder"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/router"
+	"source.wtfteam.pro/i2_bot/i2_bot/lib/sender"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/squader"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/statistics"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/talkers"
@@ -34,6 +35,7 @@ func main() {
 	migrations.New(c)
 	c.RunDatabaseMigrations()
 	datacache.New(c)
+	sender.New(c)
 	forwarder.New(c)
 	pokedexer.New(c)
 	pinner.New(c)

lib/appcontext/appcontext.go

@@ -1,16 +1,18 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package appcontext
 
 import (
+	"net/http"
+	"os"
+	"time"
+
 	"bitbucket.org/pztrn/flagger"
 	"bitbucket.org/pztrn/mogrus"
 	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"github.com/jmoiron/sqlx"
 	"github.com/robfig/cron"
-	"net/http"
-	"os"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/broadcaster/broadcasterinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/chatter/chatterinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/config"
@@ -23,12 +25,12 @@ import (
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/pokedexer/pokedexerinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/reminder/reminderinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/router/routerinterface"
+	"source.wtfteam.pro/i2_bot/i2_bot/lib/sender/senderinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/squader/squaderinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/statistics/statisticsinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/talkers/talkersinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/users/usersinterface"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/welcomer/welcomerinterface"
-	"time"
 )
 
 // Context is an application context struct
@@ -50,6 +52,7 @@ type Context struct {
 	Pinner       pinnerinterface.PinnerInterface
 	Reminder     reminderinterface.ReminderInterface
 	Chatter      chatterinterface.ChatterInterface
+	Sender       senderinterface.SenderInterface
 	Squader      squaderinterface.SquaderInterface
 	Users        usersinterface.UsersInterface
 	Statistics   statisticsinterface.StatisticsInterface
@@ -89,7 +92,7 @@ func (c *Context) Init() {
 	c.Cfg = config.New()
 	c.Cfg.Init(c.Log, configPath)
 
-	logFile, err := os.OpenFile(c.Cfg.Logs.LogPath, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0660)
+	logFile, err := os.OpenFile(c.Cfg.Logs.LogPath, os.O_RDWR|os.O_APPEND|os.O_CREATE, 0600)
 	if err != nil {
 		log.Fatalln(err)
 	}
@@ -161,6 +164,12 @@ func (c *Context) RegisterRouterInterface(ri routerinterface.RouterInterface) {
 	c.Router.Init()
 }
 
+// RegisterSenderInterface registering sender interface in application
+func (c *Context) RegisterSenderInterface(si senderinterface.SenderInterface) {
+	c.Sender = si
+	c.Sender.Init()
+}
+
 // RegisterStatisticsInterface registers statistics interface in application
 func (c *Context) RegisterStatisticsInterface(si statisticsinterface.StatisticsInterface) {
 	c.Statistics = si
@@ -193,8 +202,14 @@ func (c *Context) RegisterUsersInterface(ui usersinterface.UsersInterface) {
 
 // RunDatabaseMigrations applies migrations on bot's startup
 func (c *Context) RunDatabaseMigrations() {
-	c.Migrations.SetDialect("mysql")
+	err := c.Migrations.SetDialect("mysql")
-	c.Migrations.Migrate()
+	if err != nil {
+		c.Log.Fatal(err.Error())
+	}
+	err = c.Migrations.Migrate()
+	if err != nil {
+		c.Log.Fatal(err.Error())
+	}
 }
 
 // StartBot starts listening for Telegram updates
@@ -205,7 +220,12 @@ func (c *Context) StartBot() {
 	}
 
 	updates := c.Bot.ListenForWebhook("/" + c.Bot.Token)
-	go http.ListenAndServe(c.Cfg.Telegram.ListenAddress, nil)
+	go func() {
+		err = http.ListenAndServe(c.Cfg.Telegram.ListenAddress, nil)
+	}()
+	if err != nil {
+		c.Log.Fatal(err.Error())
+	}
 
 	c.Log.Info("Listening on " + c.Cfg.Telegram.ListenAddress)
 	c.Log.Info("Webhook URL: " + c.Cfg.Telegram.WebHookDomain + c.Bot.Token)
@@ -214,13 +234,13 @@ func (c *Context) StartBot() {
 		if update.Message != nil {
 			if update.Message.From != nil {
 				if update.Message.Date > (int(time.Now().Unix()) - 5) {
-					go c.Router.RouteRequest(&update)
+					go c.Router.RouteRequest(update)
 				}
 			}
 		} else if update.InlineQuery != nil {
-			c.Router.RouteInline(&update)
+			c.Router.RouteInline(update)
 		} else if update.CallbackQuery != nil {
-			c.Router.RouteCallback(&update)
+			c.Router.RouteCallback(update)
 		} else if update.ChosenInlineResult != nil {
 			c.Log.Debug(update.ChosenInlineResult.ResultID)
 		} else {

lib/appcontext/exported.go

@@ -1,12 +1,8 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package appcontext
 
-var (
-	a *Context
-)
-
 // New is a Context creation function
 func New() *Context {
 	c := &Context{}

lib/broadcaster/responders.go

@@ -1,48 +1,41 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package broadcaster
 
 import (
+	"strconv"
+
 	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/dbmapping"
-	"strconv"
 )
 
 // AdminBroadcastMessageCompose saves message for future broadcast
 func (b *Broadcaster) AdminBroadcastMessageCompose(update *tgbotapi.Update, playerRaw *dbmapping.Player) string {
 	broadcastingMessageBody := update.Message.CommandArguments()
-	messageRaw, ok := dbmapping.Broadcast{}, false
+	messageMode := "none"
-
 	switch update.Message.Command() {
 	case "send_all":
-		messageRaw, ok = b.createBroadcastMessage(playerRaw, broadcastingMessageBody, "all")
+		messageMode = "all"
-		if !ok {
-			return "fail"
-		}
 	case "send_league":
-		messageRaw, ok = b.createBroadcastMessage(playerRaw, broadcastingMessageBody, "league")
+		messageMode = "league"
+	}
+
+	messageRaw, ok := b.createBroadcastMessage(playerRaw, broadcastingMessageBody, messageMode)
 	if !ok {
 		return "fail"
 	}
-	}
 
 	message := "Сообщение сохранено в базу.\n"
 	message += "Выглядеть оно будет так:"
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	broadcastingMessage := "*Привет, %username%!*\n\n"
 	broadcastingMessage += "*Важное сообщение от администратора " + update.Message.From.FirstName + " " + update.Message.From.LastName + "* (@" + update.Message.From.UserName + ")\n\n"
 	broadcastingMessage += messageRaw.Text
 
-	msg = tgbotapi.NewMessage(update.Message.Chat.ID, broadcastingMessage)
+	c.Sender.SendMarkdownAnswer(update, broadcastingMessage)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	switch update.Message.Command() {
 	case "send_all":
@@ -51,10 +44,7 @@ func (b *Broadcaster) AdminBroadcastMessageCompose(update *tgbotapi.Update, play
 		message = "Чтобы отправить сообщение всем игрокам лиги Инстинкт, отправь команду /send\\_confirm " + strconv.Itoa(messageRaw.ID)
 	}
 
-	msg = tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	return "ok"
 }

lib/broadcaster/sender.go

@@ -1,12 +1,14 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package broadcaster
 
 import (
-	"github.com/go-telegram-bot-api/telegram-bot-api"
-	"source.wtfteam.pro/i2_bot/i2_bot/lib/dbmapping"
 	"strconv"
+
+	"github.com/go-telegram-bot-api/telegram-bot-api"
+	"source.wtfteam.pro/i2_bot/i2_bot/lib/constants"
+	"source.wtfteam.pro/i2_bot/i2_bot/lib/dbmapping"
 )
 
 // AdminBroadcastMessageSend sends saved message to all private chats
@@ -15,13 +17,13 @@ func (b *Broadcaster) AdminBroadcastMessageSend(update *tgbotapi.Update, playerR
 	messageNumInt, _ := strconv.Atoi(messageNum)
 	messageRaw, ok := b.getBroadcastMessageByID(messageNumInt)
 	if !ok {
-		return "fail"
+		return constants.BotError
 	}
 	if messageRaw.AuthorID != playerRaw.ID {
-		return "fail"
+		return constants.UserRequestForbidden
 	}
 	if messageRaw.Status != "new" {
-		return "fail"
+		return constants.UserRequestFailed
 	}
 
 	broadcastingMessageBody := messageRaw.Text
@@ -29,7 +31,7 @@ func (b *Broadcaster) AdminBroadcastMessageSend(update *tgbotapi.Update, playerR
 	profileRaw, err := c.DataCache.GetProfileByPlayerID(playerRaw.ID)
 	if err != nil {
 		c.Log.Error(err.Error())
-		return "fail"
+		return constants.UserRequestFailed
 	}
 
 	prettyName := profileRaw.Nickname + " (@" + profileRaw.TelegramNickname + ")"
@@ -48,22 +50,17 @@ func (b *Broadcaster) AdminBroadcastMessageSend(update *tgbotapi.Update, playerR
 		broadcastingMessage += "*Важное сообщение от администратора *" + prettyName + "\n\n"
 		broadcastingMessage += broadcastingMessageBody
 
-		msg := tgbotapi.NewMessage(int64(chat.TelegramID), broadcastingMessage)
+		c.Sender.SendMarkdownMessageToChatID(chat.TelegramID, broadcastingMessage)
-		msg.ParseMode = "Markdown"
-		c.Bot.Send(msg)
 	}
 
 	messageRaw, ok = b.updateBroadcastMessageStatus(messageRaw.ID, "sent")
 	if !ok {
-		return "fail"
+		return constants.BotError
 	}
 
 	message := "Сообщение отправлено. Надеюсь, пользователи бота за него тебя не убьют.\n"
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
 
-	c.Bot.Send(msg)
+	return constants.UserRequestSuccess
-
-	return "ok"
 }

lib/constants/constants.go

@@ -0,0 +1,15 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
+
+package constants
+
+const (
+	// BotError is return value, if something went wrong with bot's internal data handling
+	BotError = "bot_error"
+	// UserRequestFailed is return value, if something went wrong with user input
+	UserRequestFailed = "fail"
+	// UserRequestSuccess is success return value
+	UserRequestSuccess = "ok"
+	// UserRequestForbidden is return value, if user can't perform some action
+	UserRequestForbidden = "forbidden"
+)

lib/migrations/10_update_leagues.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -9,36 +9,30 @@ import (
 
 // UpdateLeaguesUp fixes some fuckup with leagues' emoji
 func UpdateLeaguesUp(tx *sql.Tx) error {
-	_, err := tx.Exec("UPDATE `leagues` SET symbol='🈸' WHERE symbol=':u7533:';")
+	_, err := tx.Exec("UPDATE `leagues` SET symbol='🈸' WHERE symbol=':u7533:'")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("UPDATE `leagues` SET symbol='🈳 ' WHERE symbol=':u6e80';")
+	_, err = tx.Exec("UPDATE `leagues` SET symbol='🈳 ' WHERE symbol=':u6e80'")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("UPDATE `leagues` SET symbol='🈵' WHERE symbol=':u7a7a:';")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("UPDATE `leagues` SET symbol='🈵' WHERE symbol=':u7a7a:'")
 
-	return nil
+	return err
 }
 
 // UpdateLeaguesDown returns leagues emoji fuckup for sanity purposes
 func UpdateLeaguesDown(tx *sql.Tx) error {
-	_, err := tx.Exec("UPDATE `leagues` SET symbol=':u7533:' WHERE symbol='🈸';")
+	_, err := tx.Exec("UPDATE `leagues` SET symbol=':u7533:' WHERE symbol='🈸'")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("UPDATE `leagues` SET symbol=':u6e80' WHERE symbol='🈳 ';")
+	_, err = tx.Exec("UPDATE `leagues` SET symbol=':u6e80' WHERE symbol='🈳 '")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("UPDATE `leagues` SET symbol=':u7a7a:' WHERE symbol='🈵';")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("UPDATE `leagues` SET symbol=':u7a7a:' WHERE symbol='🈵'")
 
-	return nil
+	return err
 }

lib/migrations/11_profile_data_additions.go

@@ -9,7 +9,7 @@ import (
 
 // ProfileDataAdditionsUp creates some helping databases for profiles
 func ProfileDataAdditionsUp(tx *sql.Tx) error {
-	_, err := tx.Exec("ALTER TABLE `profiles` ADD `pokeballs` INT(11) DEFAULT 5 NOT NULL COMMENT 'Покеболы' AFTER `level_id`;")
+	_, err := tx.Exec("ALTER TABLE `profiles` ADD `pokeballs` INT(11) DEFAULT 5 NOT NULL COMMENT 'Покеболы' AFTER `level_id`")
 	if err != nil {
 		return err
 	}
@@ -22,64 +22,58 @@ func ProfileDataAdditionsUp(tx *sql.Tx) error {
 	request += "PRIMARY KEY (`id`),"
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `levels_created_at` (`created_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Уровни';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Уровни'"
 	_, err = tx.Exec(request)
 	if err != nil {
 		return err
 	}
 
 	// Insert levels
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 200, 6, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 200, 6, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 400, 12, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 400, 12, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 800, 24, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 800, 24, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 1600, 48, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 1600, 48, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 3200, 96, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 3200, 96, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 6400, 192, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 6400, 192, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 12800, 384, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 12800, 384, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 25600, 768, NOW());")
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 25600, 768, NOW())")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 51200, 1536, NOW());")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("INSERT INTO `levels` VALUES(NULL, 51200, 1536, NOW())")
 
-	return nil
+	return err
 }
 
 // ProfileDataAdditionsDown drops `levels` table and `pokeballs` column of `profiles` table
 func ProfileDataAdditionsDown(tx *sql.Tx) error {
-	_, err := tx.Exec("ALTER TABLE `profiles` DROP COLUMN `pokeballs`;")
+	_, err := tx.Exec("ALTER TABLE `profiles` DROP COLUMN `pokeballs`")
 	if err != nil {
 		return err
 	}
 
-	_, err = tx.Exec("DROP TABLE `levels`;")
+	_, err = tx.Exec("DROP TABLE `levels`")
-	if err != nil {
-		return err
-	}
 
-	return nil
+	return err
 }

lib/migrations/2_create_players.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -21,19 +21,16 @@ func CreatePlayersUp(tx *sql.Tx) error {
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `players_created_at` (`created_at`),"
 	request += "KEY `players_updated_at` (`updated_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Зарегистрированные игроки';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Зарегистрированные игроки'"
+
 	_, err := tx.Exec(request)
-	if err != nil {
+
 	return err
-	}
-	return nil
 }
 
 // CreatePlayersDown drops `players` table
 func CreatePlayersDown(tx *sql.Tx) error {
 	_, err := tx.Exec("DROP TABLE `players`;")
-	if err != nil {
+
 	return err
-	}
-	return nil
 }

lib/migrations/3_create_profiles.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -25,19 +25,16 @@ func CreateProfilesUp(tx *sql.Tx) error {
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `profiles_created_at` (`created_at`),"
 	request += "KEY `profiles_nickname` (`nickname`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Профили зарегистрированных игроков';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Профили зарегистрированных игроков'"
+
 	_, err := tx.Exec(request)
-	if err != nil {
+
 	return err
-	}
-	return nil
 }
 
 // CreateProfilesDown drops `profiles` table
 func CreateProfilesDown(tx *sql.Tx) error {
-	_, err := tx.Exec("DROP TABLE `profiles`;")
+	_, err := tx.Exec("DROP TABLE `profiles`")
-	if err != nil {
+
 	return err
-	}
-	return nil
 }

lib/migrations/4_create_pokememes.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -27,19 +27,16 @@ func CreatePokememesUp(tx *sql.Tx) error {
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `pokememes_created_at` (`created_at`),"
 	request += "KEY `pokememes_player_id` (`player_id`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Покемемы';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Покемемы'"
+
 	_, err := tx.Exec(request)
-	if err != nil {
+
 	return err
-	}
-	return nil
 }
 
 // CreatePokememesDown drops `pokememes` table
 func CreatePokememesDown(tx *sql.Tx) error {
-	_, err := tx.Exec("DROP TABLE `pokememes`;")
+	_, err := tx.Exec("DROP TABLE `pokememes`")
-	if err != nil {
+
 	return err
-	}
-	return nil
 }

lib/migrations/5_create_locations.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -17,46 +17,41 @@ func CreateLocationsUp(tx *sql.Tx) error {
 	request += "PRIMARY KEY (`id`),"
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `locations_created_at` (`created_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Локации';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Локации'"
 	_, err := tx.Exec(request)
 	if err != nil {
 		return err
 	}
 
 	// Insert locations
-	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, ':evergreen_tree:', 'Лес', NOW());")
+	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, ':evergreen_tree:', 'Лес', NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, '⛰', 'Горы', NOW());")
+	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, '⛰', 'Горы', NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, ':rowboat:', 'Озеро', NOW());")
+	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, ':rowboat:', 'Озеро', NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, '🏙', 'Город', NOW());")
+	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, '🏙', 'Город', NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, '🏛', 'Катакомбы', NOW());")
+	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, '🏛', 'Катакомбы', NOW())")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, ':church:', 'Кладбище', NOW());")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("INSERT INTO `locations` VALUES(NULL, ':church:', 'Кладбище', NOW())")
 
-	return nil
+	return err
 }
 
 // CreateLocationsDown drops `locations` table
 func CreateLocationsDown(tx *sql.Tx) error {
-	_, err := tx.Exec("DROP TABLE `locations`;")
+	_, err := tx.Exec("DROP TABLE `locations`")
-	if err != nil {
+
 	return err
-	}
-	return nil
 }

lib/migrations/6_create_elements.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -18,70 +18,65 @@ func CreateElementsUp(tx *sql.Tx) error {
 	request += "PRIMARY KEY (`id`),"
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `elements_created_at` (`created_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Элементы';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Элементы'"
 	_, err := tx.Exec(request)
 	if err != nil {
 		return err
 	}
 
 	// Insert elements
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '👊', 'Боевой', 1, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '👊', 'Боевой', 1, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🌀', 'Летающий', 1, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🌀', 'Летающий', 1, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '💀', 'Ядовитый', 1, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '💀', 'Ядовитый', 1, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🗿', 'Каменный', 1, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🗿', 'Каменный', 1, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🔥', 'Огненный', 2, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🔥', 'Огненный', 2, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '⚡', 'Электрический', 2, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '⚡', 'Электрический', 2, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '💧', 'Водяной', 2, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '💧', 'Водяной', 2, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🍀', 'Травяной', 2, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '🍀', 'Травяной', 2, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '💩', 'Шоколадный', 3, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '💩', 'Шоколадный', 3, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '👁', 'Психический', 3, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '👁', 'Психический', 3, NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '👿', 'Темный', 3, NOW());")
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '👿', 'Темный', 3, NOW())")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '⌛', 'Времени', 1, NOW());")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("INSERT INTO `elements` VALUES(NULL, '⌛', 'Времени', 1, NOW())")
 
-	return nil
+	return err
 }
 
 // CreateElementsDown drops `elements` table
 func CreateElementsDown(tx *sql.Tx) error {
-	_, err := tx.Exec("DROP TABLE `elements`;")
+	_, err := tx.Exec("DROP TABLE `elements`")
-	if err != nil {
+
 	return err
-	}
-	return nil
 }

lib/migrations/7_create_leagues.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -17,34 +17,29 @@ func CreateLeaguesUp(tx *sql.Tx) error {
 	request += "PRIMARY KEY (`id`),"
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `leagues_created_at` (`created_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Лиги';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Лиги'"
 	_, err := tx.Exec(request)
 	if err != nil {
 		return err
 	}
 
 	// Insert locations
-	_, err = tx.Exec("INSERT INTO `leagues` VALUES(NULL, ':u7533:', 'ИНСТИНКТ', NOW());")
+	_, err = tx.Exec("INSERT INTO `leagues` VALUES(NULL, ':u7533:', 'ИНСТИНКТ', NOW())")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("INSERT INTO `leagues` VALUES(NULL, ':u6e80', 'ОТВАГА', NOW());")
+	_, err = tx.Exec("INSERT INTO `leagues` VALUES(NULL, ':u6e80', 'ОТВАГА', NOW())")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("INSERT INTO `leagues` VALUES(NULL, ':u7a7a:', 'МИСТИКА', NOW());")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("INSERT INTO `leagues` VALUES(NULL, ':u7a7a:', 'МИСТИКА', NOW())")
 
-	return nil
+	return err
 }
 
 // CreateLeaguesDown drops `leagues` table
 func CreateLeaguesDown(tx *sql.Tx) error {
-	_, err := tx.Exec("DROP TABLE `leagues`;")
+	_, err := tx.Exec("DROP TABLE `leagues`")
-	if err != nil {
+
 	return err
-	}
-	return nil
 }

lib/migrations/8_create_relations.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -17,7 +17,7 @@ func CreateRelationsUp(tx *sql.Tx) error {
 	request += "PRIMARY KEY (`id`),"
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `pokememes_locations_created_at` (`created_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Связь Покемемы-Локации';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Связь Покемемы-Локации'"
 	_, err := tx.Exec(request)
 	if err != nil {
 		return err
@@ -31,23 +31,19 @@ func CreateRelationsUp(tx *sql.Tx) error {
 	request += "PRIMARY KEY (`id`),"
 	request += "UNIQUE KEY `id` (`id`),"
 	request += "KEY `pokememes_elements_created_at` (`created_at`)"
-	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Связь Покемемы-Элементы';"
+	request += ") ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Связь Покемемы-Элементы'"
-	_, err2 := tx.Exec(request)
+	_, err = tx.Exec(request)
-	if err2 != nil {
+
-		return err2
+	return err
-	}
-	return nil
 }
 
 // CreateRelationsDown drops pokememe-* relations tables
 func CreateRelationsDown(tx *sql.Tx) error {
-	_, err := tx.Exec("DROP TABLE `pokememes_locations`;")
+	_, err := tx.Exec("DROP TABLE `pokememes_locations`")
 	if err != nil {
 		return err
 	}
-	_, err2 := tx.Exec("DROP TABLE `pokememes_elements`;")
+	_, err = tx.Exec("DROP TABLE `pokememes_elements`;")
-	if err2 != nil {
+
-		return err2
+	return err
-	}
-	return nil
 }

lib/migrations/9_update_locations.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package migrations
 
@@ -9,36 +9,30 @@ import (
 
 // UpdateLocationsUp fixes some fuckup with locations' emoji
 func UpdateLocationsUp(tx *sql.Tx) error {
-	_, err := tx.Exec("UPDATE `locations` SET symbol='⛪' WHERE symbol=':church:';")
+	_, err := tx.Exec("UPDATE `locations` SET symbol='⛪' WHERE symbol=':church:'")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("UPDATE `locations` SET symbol='🌲' WHERE symbol=':evergreen_tree:';")
+	_, err = tx.Exec("UPDATE `locations` SET symbol='🌲' WHERE symbol=':evergreen_tree:'")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("UPDATE `locations` SET symbol='🚣' WHERE symbol=':rowboat:';")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("UPDATE `locations` SET symbol='🚣' WHERE symbol=':rowboat:'")
 
-	return nil
+	return err
 }
 
 // UpdateLocationsDown returns location emoji fuckup for sanity purposes
 func UpdateLocationsDown(tx *sql.Tx) error {
-	_, err := tx.Exec("UPDATE `locations` SET symbol=':church:' WHERE symbol='⛪'';")
+	_, err := tx.Exec("UPDATE `locations` SET symbol=':church:' WHERE symbol='⛪''")
 	if err != nil {
 		return err
 	}
-	_, err = tx.Exec("UPDATE `locations` SET symbol=':evergreen_tree:' WHERE symbol='🌲';")
+	_, err = tx.Exec("UPDATE `locations` SET symbol=':evergreen_tree:' WHERE symbol='🌲'")
-	if err != nil {
-		return err
-	}
-	_, err = tx.Exec("UPDATE `locations` SET symbol=':rowboat:' WHERE symbol='🚣';")
 	if err != nil {
 		return err
 	}
+	_, err = tx.Exec("UPDATE `locations` SET symbol=':rowboat:' WHERE symbol='🚣'")
 
-	return nil
+	return err
 }

lib/router/callback_request.go

@@ -4,12 +4,13 @@
 package router
 
 import (
-	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"regexp"
+
+	"github.com/go-telegram-bot-api/telegram-bot-api"
 )
 
 // RouteCallback routes inline requests to bot
-func (r *Router) RouteCallback(update *tgbotapi.Update) string {
+func (r *Router) RouteCallback(update tgbotapi.Update) string {
 	playerRaw, err := c.DataCache.GetOrCreatePlayerByTelegramID(update.CallbackQuery.From.ID)
 	if err != nil {
 		c.Log.Error(err.Error())
@@ -17,7 +18,7 @@ func (r *Router) RouteCallback(update *tgbotapi.Update) string {
 	}
 
 	if playerRaw.Status == "banned" {
-		return c.Talkers.BanError(update)
+		return c.Talkers.BanError(&update)
 	}
 
 	var enableAlarmCallback = regexp.MustCompile("enable_reminder_(\\d+)\\z")
@@ -25,9 +26,9 @@ func (r *Router) RouteCallback(update *tgbotapi.Update) string {
 
 	switch {
 	case enableAlarmCallback.MatchString(update.CallbackQuery.Data):
-		return c.Reminder.CreateAlarmSetting(update, playerRaw)
+		return c.Reminder.CreateAlarmSetting(&update, playerRaw)
 	case disableAlarmCallback.MatchString(update.CallbackQuery.Data):
-		return c.Reminder.DestroyAlarmSetting(update, playerRaw)
+		return c.Reminder.DestroyAlarmSetting(&update, playerRaw)
 	}
 
 	return "ok"

lib/router/group_request.go

@@ -4,13 +4,14 @@
 package router
 
 import (
-	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"math/rand"
 	"regexp"
+
+	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/dbmapping"
 )
 
-func (r *Router) routeGroupRequest(update *tgbotapi.Update, playerRaw *dbmapping.Player, chatRaw *dbmapping.Chat) string {
+func (r *Router) routeGroupRequest(update tgbotapi.Update, playerRaw *dbmapping.Player, chatRaw *dbmapping.Chat) string {
 	text := update.Message.Text
 	// Regular expressions
 	var durakMsg = regexp.MustCompile("(Д|д)(У|у)(Р|р)(А|а|Е|е|О|о)")
@@ -19,7 +20,7 @@ func (r *Router) routeGroupRequest(update *tgbotapi.Update, playerRaw *dbmapping
 	var ebMsg = regexp.MustCompile("(\\s|^|ЗА|За|зА|за)(Е|е|Ё|ё)(Б|б)(\\s|Л|л|А|а|Т|т|У|у|Е|е|Ё|ё|И|и)")
 	var piMsg = regexp.MustCompile("(П|п)(И|и)(З|з)(Д|д)")
 
-	restrictionStatus := c.Chatter.ProtectChat(update, playerRaw, chatRaw)
+	restrictionStatus := c.Chatter.ProtectChat(&update, playerRaw, chatRaw)
 	if restrictionStatus != "protection_passed" {
 		return restrictionStatus
 	}
@@ -28,7 +29,7 @@ func (r *Router) routeGroupRequest(update *tgbotapi.Update, playerRaw *dbmapping
 	if update.Message.NewChatMembers != nil {
 		newUsers := *update.Message.NewChatMembers
 		if len(newUsers) > 0 {
-			return c.Welcomer.GroupWelcomeMessage(update)
+			return c.Welcomer.GroupWelcomeMessage(&update)
 		}
 	}
 	// New chat names
@@ -47,21 +48,21 @@ func (r *Router) routeGroupRequest(update *tgbotapi.Update, playerRaw *dbmapping
 	if trigger == 4 {
 		switch {
 		case huMsg.MatchString(text):
-			return c.Talkers.MatMessage(update)
+			return c.Talkers.MatMessage(&update)
 		case blMsg.MatchString(text):
-			return c.Talkers.MatMessage(update)
+			return c.Talkers.MatMessage(&update)
 		case ebMsg.MatchString(text):
-			return c.Talkers.MatMessage(update)
+			return c.Talkers.MatMessage(&update)
 		case piMsg.MatchString(text):
-			return c.Talkers.MatMessage(update)
+			return c.Talkers.MatMessage(&update)
 		case durakMsg.MatchString(text):
-			return c.Talkers.DurakMessage(update)
+			return c.Talkers.DurakMessage(&update)
 		}
 	}
 
 	switch {
 	case update.Message.Command() == "long":
-		return c.Talkers.LongMessage(update)
+		return c.Talkers.LongMessage(&update)
 	}
 
 	// Ah, we're still here

lib/router/inline.go

@@ -4,13 +4,14 @@
 package router
 
 import (
-	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"strconv"
 	"strings"
+
+	"github.com/go-telegram-bot-api/telegram-bot-api"
 )
 
 // RouteInline routes inline requests to bot
-func (r *Router) RouteInline(update *tgbotapi.Update) string {
+func (r *Router) RouteInline(update tgbotapi.Update) string {
 	playerRaw, err := c.DataCache.GetOrCreatePlayerByTelegramID(update.InlineQuery.From.ID)
 	if err != nil {
 		c.Log.Error(err.Error())

lib/router/private_request.go

@@ -4,12 +4,13 @@
 package router
 
 import (
-	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"regexp"
+
+	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/dbmapping"
 )
 
-func (r *Router) routePrivateRequest(update *tgbotapi.Update, playerRaw *dbmapping.Player, chatRaw *dbmapping.Chat) string {
+func (r *Router) routePrivateRequest(update tgbotapi.Update, playerRaw *dbmapping.Player, chatRaw *dbmapping.Chat) string {
 	text := update.Message.Text
 
 	// Commands with regexps
@@ -21,7 +22,7 @@ func (r *Router) routePrivateRequest(update *tgbotapi.Update, playerRaw *dbmappi
 	var orderSendMsg = regexp.MustCompile("/send_order(\\d+)\\z")
 
 	if playerRaw.Status == "banned" {
-		return c.Talkers.BanError(update)
+		return c.Talkers.BanError(&update)
 	}
 
 	if update.Message.ForwardFrom != nil {
@@ -30,9 +31,9 @@ func (r *Router) routePrivateRequest(update *tgbotapi.Update, playerRaw *dbmappi
 		} else {
 			c.Log.Info("Forward from PokememBro bot! Processing...")
 			if playerRaw.ID != 0 {
-				c.Forwarder.ProcessForward(update, playerRaw)
+				c.Forwarder.ProcessForward(&update, playerRaw)
 			} else {
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			}
 		}
 	} else {
@@ -41,181 +42,174 @@ func (r *Router) routePrivateRequest(update *tgbotapi.Update, playerRaw *dbmappi
 			case update.Message.Command() == "start":
 				if playerRaw.LeagueID != 0 {
 					if playerRaw.Status == "special" {
-						c.Welcomer.PrivateWelcomeMessageSpecial(update, playerRaw)
+						c.Welcomer.PrivateWelcomeMessageSpecial(&update, playerRaw)
 						return "ok"
 					}
 
-					c.Welcomer.PrivateWelcomeMessageAuthorized(update, playerRaw)
+					c.Welcomer.PrivateWelcomeMessageAuthorized(&update, playerRaw)
 					return "ok"
 				}
 
-				c.Welcomer.PrivateWelcomeMessageUnauthorized(update)
+				c.Welcomer.PrivateWelcomeMessageUnauthorized(&update)
 				return "ok"
 
 			case update.Message.Command() == "help":
-				c.Talkers.HelpMessage(update, playerRaw)
+				c.Talkers.HelpMessage(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "faq":
-				return c.Talkers.FAQMessage(update)
+				return c.Talkers.FAQMessage(&update)
 			case update.Message.Command() == "academy":
-				c.Talkers.AcademyMessage(update, playerRaw)
+				c.Talkers.AcademyMessage(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "bastion":
-				c.Talkers.BastionMessage(update, playerRaw)
+				c.Talkers.BastionMessage(&update, playerRaw)
 				return "ok"
 
 			case pokedexMsg.MatchString(text):
-				c.Pokedexer.PokememesList(update)
+				c.Pokedexer.PokememesList(&update)
 				return "ok"
 			case pokememeInfoMsg.MatchString(text):
-				c.Pokedexer.PokememeInfo(update, playerRaw)
+				c.Pokedexer.PokememeInfo(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "delete_pokememe":
 				if c.Users.PlayerBetterThan(playerRaw, "owner") {
-					return c.Pokedexer.DeletePokememe(update)
+					return c.Pokedexer.DeletePokememe(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "me":
 				if playerRaw.ID != 0 {
-					c.Users.ProfileMessage(update, playerRaw)
+					c.Users.ProfileMessage(&update, playerRaw)
 					return "ok"
 				}
 			case update.Message.Command() == "top":
 				if playerRaw.ID != 0 {
-					return c.Statistics.TopList(update, playerRaw)
+					return c.Statistics.TopList(&update, playerRaw)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "top_my":
 				if playerRaw.ID != 0 {
-					return c.Statistics.TopList(update, playerRaw)
+					return c.Statistics.TopList(&update, playerRaw)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 
 			case update.Message.Command() == "best":
-				c.Pokedexer.AdvicePokememesList(update, playerRaw)
+				c.Pokedexer.AdvicePokememesList(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "advice":
-				c.Pokedexer.AdvicePokememesList(update, playerRaw)
+				c.Pokedexer.AdvicePokememesList(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "best_all":
-				c.Pokedexer.AdvicePokememesList(update, playerRaw)
+				c.Pokedexer.AdvicePokememesList(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "advice_all":
-				c.Pokedexer.AdvicePokememesList(update, playerRaw)
+				c.Pokedexer.AdvicePokememesList(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "best_nofilter":
-				c.Pokedexer.AdvicePokememesList(update, playerRaw)
+				c.Pokedexer.AdvicePokememesList(&update, playerRaw)
 				return "ok"
 			case update.Message.Command() == "reminders":
-				return c.Reminder.AlarmsList(update, playerRaw)
+				return c.Reminder.AlarmsList(&update, playerRaw)
 
 			case update.Message.Command() == "send_all":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					c.Broadcaster.AdminBroadcastMessageCompose(update, playerRaw)
+					c.Broadcaster.AdminBroadcastMessageCompose(&update, playerRaw)
 					return "ok"
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "send_league":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					c.Broadcaster.AdminBroadcastMessageCompose(update, playerRaw)
+					c.Broadcaster.AdminBroadcastMessageCompose(&update, playerRaw)
 					return "ok"
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "send_confirm":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					go c.Broadcaster.AdminBroadcastMessageSend(update, playerRaw)
+					go c.Broadcaster.AdminBroadcastMessageSend(&update, playerRaw)
 					return "ok"
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "chats":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					c.Chatter.GroupsList(update)
+					c.Chatter.GroupsList(&update)
 					return "ok"
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "squads":
-				return c.Squader.SquadsList(update, playerRaw)
+				return c.Squader.SquadsList(&update, playerRaw)
 
 			case update.Message.Command() == "pin":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					return c.Pinner.PinMessageToSomeChats(update)
+					return c.Pinner.PinMessageToSomeChats(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "pin_all":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					return c.Pinner.PinMessageToAllChats(update)
+					return c.Pinner.PinMessageToAllChats(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 
 			case update.Message.Command() == "orders":
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					return c.Orders.ListAllOrders(update)
+					return c.Orders.ListAllOrders(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case orderSendMsg.MatchString(text):
 				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					return c.Orders.SendOrder(update)
+					return c.Orders.SendOrder(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 
 			case usersMsg.MatchString(text):
 				if c.Users.PlayerBetterThan(playerRaw, "academic") {
-					return c.Users.UsersList(update)
+					return c.Users.UsersList(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 
 			case profileMsg.MatchString(text):
 				if c.Users.PlayerBetterThan(playerRaw, "academic") {
-					return c.Users.ForeignProfileMessage(update)
+					return c.Users.ForeignProfileMessage(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 
 			case update.Message.Command() == "find_level":
 				if c.Users.PlayerBetterThan(playerRaw, "academic") {
-					return c.Users.FindByLevel(update)
+					return c.Users.FindByLevel(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "find_user":
 				if c.Users.PlayerBetterThan(playerRaw, "academic") {
-					return c.Users.FindByName(update)
+					return c.Users.FindByName(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 			case update.Message.Command() == "find_top_attack":
 				if c.Users.PlayerBetterThan(playerRaw, "academic") {
-					return c.Users.FindByTopAttack(update)
+					return c.Users.FindByTopAttack(&update)
 				}
 
-				return c.Talkers.AnyMessageUnauthorized(update)
+				return c.Talkers.AnyMessageUnauthorized(&update)
 
 			case update.Message.Command() == "squad_add_user":
-				return c.Squader.AddUserToSquad(update, playerRaw)
+				return c.Squader.AddUserToSquad(&update, playerRaw)
 			case update.Message.Command() == "squad_add_commander":
-				return c.Squader.AddUserToSquad(update, playerRaw)
+				return c.Squader.AddUserToSquad(&update, playerRaw)
 
 			case squadInfoMsg.MatchString(text):
-				return c.Squader.SquadInfo(update, playerRaw)
+				return c.Squader.SquadInfo(&update, playerRaw)
-
-			case update.Message.Command() == "five_offer":
-				if c.Users.PlayerBetterThan(playerRaw, "admin") {
-					return c.Talkers.FiveOffer(update)
-				}
-
-				return c.Talkers.AnyMessageUnauthorized(update)
 			}
 		}
 	}

lib/router/router.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package router
 
@@ -8,7 +8,7 @@ import (
 )
 
 // RouteRequest decides, what to do with user input
-func (r *Router) RouteRequest(update *tgbotapi.Update) string {
+func (r *Router) RouteRequest(update tgbotapi.Update) string {
 	c.Log.Debugln(update)
 	playerRaw, err := c.DataCache.GetOrCreatePlayerByTelegramID(update.Message.From.ID)
 	if err != nil {
@@ -18,7 +18,7 @@ func (r *Router) RouteRequest(update *tgbotapi.Update) string {
 	}
 
 	c.Log.Debug("Getting chat...")
-	chatRaw, err := c.DataCache.GetOrCreateChat(update)
+	chatRaw, err := c.DataCache.GetOrCreateChat(&update)
 	if err != nil {
 		c.Log.Error(err.Error())
 		return "fail"

lib/router/routerinterface/routerinterface.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package routerinterface
 
@@ -11,7 +11,7 @@ import (
 type RouterInterface interface {
 	Init()
 
-	RouteCallback(update *tgbotapi.Update) string
+	RouteCallback(update tgbotapi.Update) string
-	RouteInline(update *tgbotapi.Update) string
+	RouteInline(update tgbotapi.Update) string
-	RouteRequest(update *tgbotapi.Update) string
+	RouteRequest(update tgbotapi.Update) string
 }

lib/sender/exported.go

@@ -0,0 +1,28 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2018 Vladimir "fat0troll" Hodakov
+
+package sender
+
+import (
+	"source.wtfteam.pro/i2_bot/i2_bot/lib/appcontext"
+	"source.wtfteam.pro/i2_bot/i2_bot/lib/sender/senderinterface"
+)
+
+var (
+	c *appcontext.Context
+)
+
+// Sender is a function-handling struct for sender
+type Sender struct{}
+
+// New is a appcontext initialization function
+func New(ac *appcontext.Context) {
+	c = ac
+	s := &Sender{}
+	c.RegisterSenderInterface(senderinterface.SenderInterface(s))
+}
+
+// Init is an initialization function for sender
+func (s *Sender) Init() {
+	c.Log.Info("Initializing Sender...")
+}

lib/sender/sender.go

@@ -0,0 +1,30 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2018 Vladimir "fat0troll" Hodakov
+
+package sender
+
+import (
+	"github.com/go-telegram-bot-api/telegram-bot-api"
+)
+
+// SendMarkdownAnswer sends markdown-powered message as reply
+func (s *Sender) SendMarkdownAnswer(update *tgbotapi.Update, message string) {
+	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	msg.ParseMode = "Markdown"
+
+	_, err := c.Bot.Send(msg)
+	if err != nil {
+		c.Log.Error(err.Error())
+	}
+}
+
+// SendMarkdownMessageToChatID sends markdown-powered message to specified chat
+func (s *Sender) SendMarkdownMessageToChatID(chatID int64, message string) {
+	msg := tgbotapi.NewMessage(chatID, message)
+	msg.ParseMode = "Markdown"
+
+	_, err := c.Bot.Send(msg)
+	if err != nil {
+		c.Log.Error(err.Error())
+	}
+}

lib/sender/senderinterface/senderinterface.go

@@ -0,0 +1,16 @@
+// i2_bot – Instinct PokememBro Bot
+// Copyright (c) 2018 Vladimir "fat0troll" Hodakov
+
+package senderinterface
+
+import (
+	"github.com/go-telegram-bot-api/telegram-bot-api"
+)
+
+// SenderInterface implements Sender for importing via appcontext
+type SenderInterface interface {
+	Init()
+
+	SendMarkdownAnswer(update *tgbotapi.Update, message string)
+	SendMarkdownMessageToChatID(chatID int64, message string)
+}

lib/talkers/easter.go

@@ -1,13 +1,14 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package talkers
 
 import (
-	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"math/rand"
 	"strconv"
 	"time"
+
+	"github.com/go-telegram-bot-api/telegram-bot-api"
 )
 
 // LongMessage is an easter egg
@@ -20,10 +21,7 @@ func (t *Talkers) LongMessage(update *tgbotapi.Update) string {
 		}
 	}
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ReplyToMessageID = update.Message.MessageID
-
-	c.Bot.Send(msg)
 
 	return "ok"
 }
@@ -42,6 +40,7 @@ func (t *Talkers) DurakMessage(update *tgbotapi.Update) string {
 	if update.Message.From.ID == 324205150 {
 		message = "Молодец, Яру. Возьми с полки пирожок."
 	}
+
 	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
 	msg.ReplyToMessageID = update.Message.MessageID
 

lib/talkers/errors.go

@@ -12,10 +12,7 @@ func (t *Talkers) AnyMessageUnauthorized(update *tgbotapi.Update) string {
 	message := "Извини, действие для тебя недоступно. Возможно, у меня нет твоего профиля или же твои права недостаточны для совершения данного действия\n\n"
 	message += "Техническая поддержка бота: https://t.me/joinchat/AAkt5EgFBU9Q9iXJMvDG6A.\n"
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	return "fail"
 }
@@ -24,10 +21,7 @@ func (t *Talkers) AnyMessageUnauthorized(update *tgbotapi.Update) string {
 func (t *Talkers) BanError(update *tgbotapi.Update) string {
 	message := "Вам здесь не рады. Использование бота для вас запрещено."
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	return "fail"
 }
@@ -37,10 +31,7 @@ func (t *Talkers) BotError(update *tgbotapi.Update) string {
 	message := "Ой, внутренняя ошибка в боте :(\n\n"
 	message += "Техническая поддержка бота: https://t.me/joinchat/AAkt5EgFBU9Q9iXJMvDG6A. Напиши сюда, приложив скриншоты с перепиской бота.\n"
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	return "fail"
 }

lib/talkers/help.go

@@ -1,13 +1,14 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package talkers
 
 import (
+	"time"
+
 	"github.com/go-telegram-bot-api/telegram-bot-api"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/config"
 	"source.wtfteam.pro/i2_bot/i2_bot/lib/dbmapping"
-	"time"
 )
 
 // AcademyMessage gives user link to Bastion
@@ -42,10 +43,7 @@ func (t *Talkers) BastionMessage(update *tgbotapi.Update, playerRaw *dbmapping.P
 		message += "Общий чат лиги расположен по ссылке: https://t.me/joinchat/G2vME0mIX-QHjjxE\\_JBzoQ"
 	}
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 }
 
 // HelpMessage gives user all available commands
@@ -96,10 +94,7 @@ func (t *Talkers) HelpMessage(update *tgbotapi.Update, playerRaw *dbmapping.Play
 	message += "Выразить благодарность и попасть в список: 4377 7300 0246 7362\n"
 	message += "_Топ ранжируется по размеру благодарности. Здесь может быть ваша реклама!_"
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 }
 
 // FAQMessage prints frequently asked questions
@@ -142,39 +137,7 @@ func (t *Talkers) FAQMessage(update *tgbotapi.Update) string {
 	message += "_Если не открывать 🥚яйцо, когда оно наберется до нужного количества, оно не будет дальше расти?_\n"
 	message += "Не будет."
 
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
+	c.Sender.SendMarkdownAnswer(update, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
-
-	return "ok"
-}
-
-// FiveOffer sends all users with 5 pokeballs limit offer for increasing pokeballs limit
-func (t *Talkers) FiveOffer(update *tgbotapi.Update) string {
-	players := []dbmapping.Player{}
-
-	err := c.Db.Select(&players, "SELECT p.* FROM players p, profiles pp WHERE p.id = pp.player_id AND pp.pokeballs = 5")
-	if err != nil {
-		c.Log.Error(err.Error())
-		return "fail"
-	}
-
-	for i := range players {
-		message := "Псст, я тут заметил, что у тебя всего 5 покеболов? Хочешь увеличить их лимит на 2 или даже больше? У всех игроков есть возможность получить бонус!\n\n1. Перейти по ссылке: https://telegram.me/storebot?start=pokemembrobot\n2. Нажать Start\n3. Выбрать ⭐️⭐️⭐️⭐️⭐️\n4. ОБЯЗАТЕЛЬНО написать, что вам нравится в игре (на русском языке). Оставьте большой и красочный отзыв!\n5. Переслать переписку с @storebot в тех поддержку игры @PBhelp<— только ему! и больше никому! (с текстом вашего отзыва)\n6. После проверки получить бонус 🎁 +2 к лимиту ⭕️ А если отзыв понравится админам (и это бывает очень часто), то бонус будет больше!\n7. Проверка - может занять некоторое время. Админы обязательно ответят вам о результатах проверки."
-
-		msg := tgbotapi.NewMessage(int64(players[i].TelegramID), message)
-		msg.ParseMode = "Markdown"
-
-		c.Bot.Send(msg)
-	}
-
-	message := "Enlarge your pokeballs! Сообщение отправлено."
-
-	msg := tgbotapi.NewMessage(update.Message.Chat.ID, message)
-	msg.ParseMode = "Markdown"
-
-	c.Bot.Send(msg)
 
 	return "ok"
 }

lib/talkers/talkersinterface/talkersinterface.go

@@ -1,5 +1,5 @@
 // i2_bot – Instinct PokememBro Bot
-// Copyright (c) 2017 Vladimir "fat0troll" Hodakov
+// Copyright (c) 2017-2018 Vladimir "fat0troll" Hodakov
 
 package talkersinterface
 
@@ -16,7 +16,6 @@ type TalkersInterface interface {
 	BastionMessage(update *tgbotapi.Update, playerRaw *dbmapping.Player)
 	HelpMessage(update *tgbotapi.Update, playerRaw *dbmapping.Player)
 	FAQMessage(update *tgbotapi.Update) string
-	FiveOffer(update *tgbotapi.Update) string
 
 	AnyMessageUnauthorized(update *tgbotapi.Update) string
 	BanError(update *tgbotapi.Update) string