wip: chat configuration, removed useless code, now we're processing something

internal/app/app.go

@@ -4,7 +4,7 @@ import (
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/config"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler"
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/locale"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/logger"
 	"github.com/mymmrac/telego"
@@ -14,6 +14,7 @@ import (
 type App struct {
 	Logger       *zap.SugaredLogger
 	Telegram     *telego.Bot
+	BotProfile   *telego.User
 	Config       *config.Config
 	Repositories *db.Repositories
 	Handlers     map[handler.Type]handler.Handler
@@ -51,11 +52,15 @@ func (a *App) TG() *telego.Bot {
 	return a.Telegram
 }
 
+func (a *App) TGProfile() *telego.User {
+	return a.BotProfile
+}
+
 func (a *App) Conf() *config.Config {
 	return a.Config
 }
 
-func (a *App) DB() fsmcontract.Repositories {
+func (a *App) DB() iface.Repositories {
 	return &DBWrapper{a.Repositories}
 }
 
@@ -94,6 +99,10 @@ func (a *App) initDB() error {
 func (a *App) initTelegram() error {
 	var err error
 	a.Telegram, err = telego.NewBot(a.Config.TelegramToken, logger.WrapForTelego(a.Logger, a.Config.Debug))
+	if err != nil {
+		return err
+	}
+	a.BotProfile, err = a.Telegram.GetMe()
 	return err
 }
 
@@ -102,6 +111,7 @@ func (a *App) initHandlers() {
 		handler.Noop:              handler.NewNoopHandler(a.Logger, a.Config.Debug),
 		handler.Message:           handler.NewMessageHandler(a),
 		handler.ChatMemberUpdated: handler.NewChatMemberUpdatedHandler(a),
+		handler.CallbackQuery:     handler.NewCallbackQueryHandler(a),
 	}
 }
 
@@ -109,9 +119,12 @@ func (a *App) handler(update telego.Update) handler.Handler {
 	if update.Message != nil {
 		return a.Handlers[handler.Message]
 	}
-	if update.ChatMember != nil {
+	if update.MyChatMember != nil {
 		return a.Handlers[handler.ChatMemberUpdated]
 	}
+	if update.CallbackQuery != nil {
+		return a.Handlers[handler.CallbackQuery]
+	}
 	return a.Handlers[handler.Noop]
 }
 

internal/app/db_wrapper.go

@@ -2,17 +2,21 @@ package app
 
 import (
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db"
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
 )
 
 type DBWrapper struct {
 	r *db.Repositories
 }
 
-func (w *DBWrapper) ForUser() fsmcontract.UserRepository {
+func (w *DBWrapper) ForUser() iface.UserRepository {
 	return w.r.User
 }
 
-func (w *DBWrapper) ForChat() fsmcontract.ChatRepository {
+func (w *DBWrapper) ForChat() iface.ChatRepository {
 	return w.r.Chat
 }
+
+func (w *DBWrapper) ForIntegration() iface.IntegrationRepository {
+	return w.r.Integration
+}

internal/db/init.go

@@ -13,6 +13,7 @@ import (
 type Repositories struct {
 	Chat        *repository.Chat
 	User        *repository.User
+	Integration *repository.Integration
 }
 
 func Connect(dsn string) (*gorm.DB, error) {
@@ -23,6 +24,7 @@ func InitRepositories(db *gorm.DB) *Repositories {
 	return &Repositories{
 		Chat:        repository.NewChat(db),
 		User:        repository.NewUser(db),
+		Integration: repository.NewIntegration(db),
 	}
 }
 

internal/db/migrations/1_init.up.sql

@@ -1,13 +1,15 @@
 CREATE TABLE "user" (
     id BIGSERIAL PRIMARY KEY,
-    telegram_id BIGINT NOT NULL
+    telegram_id BIGINT NOT NULL,
+    chat_id BIGINT NOT NULL,
+    language VARCHAR(8)
 );
 
 CREATE TABLE chat (
     id BIGSERIAL PRIMARY KEY,
     telegram_id BIGINT NOT NULL,
     user_id BIGINT NOT NULL,
-    members JSON,
+    keyboard_type VARCHAR(6),
     FOREIGN KEY (user_id) REFERENCES "user"(id) ON DELETE CASCADE
 );
 

internal/db/model/chat.go

@@ -2,15 +2,14 @@ package model
 
 import (
 	"database/sql/driver"
-	"encoding/json"
 	"errors"
 )
 
 type Chat struct {
 	ID           uint64        `gorm:"primaryKey; autoIncrement" json:"id"`
 	TelegramID   int64         `gorm:"column:telegram_id; not null" json:"telegramId"`
-	UserID       int64         `gorm:"column:user_id; not null"`
-	Members      ChatMembers   `gorm:"column:members; not null" json:"members"`
+	KeyboardType KeyboardType  `gorm:"column:keyboard_type;"`
+	UserID       uint64        `gorm:"column:user_id; not null"`
 	Integrations []Integration `gorm:"foreignKey:ChatID" json:"integrations"`
 }
 
@@ -18,35 +17,52 @@ func (Chat) TableName() string {
 	return "chat"
 }
 
-type ChatMembers []int64
+type KeyboardType uint8
 
-func (cm *ChatMembers) Scan(value interface{}) error {
+const (
+	StandardKeyboard KeyboardType = iota
+	StoryPointsKeyboard
+)
+
+var (
+	lbTypesToIds = map[string]KeyboardType{
+		"normal": StandardKeyboard,
+		"sp":     StoryPointsKeyboard,
+	}
+	idsToKBTypes = map[KeyboardType]string{
+		StandardKeyboard:    "normal",
+		StoryPointsKeyboard: "sp",
+	}
+)
+
+func (it *KeyboardType) Scan(value interface{}) error {
 	switch v := value.(type) {
 	case nil:
-		*cm = nil
+		*it = 0 // or whatever default you want to set if the field is null in db
 		return nil
+	case KeyboardType:
+		*it = v
 	case string:
-		if err := json.Unmarshal([]byte(v), cm); err != nil {
-			return err
-		}
-	case []byte:
-		if err := json.Unmarshal(v, cm); err != nil {
-			return err
+		// lookup the value from the map and assign it
+		val, ok := lbTypesToIds[v]
+		if !ok {
+			return errors.New("invalid KeyboardType")
 		}
+		*it = val
 	default:
 		return errors.New("invalid type")
 	}
 	return nil
 }
 
-func (cm ChatMembers) Value() (driver.Value, error) {
-	if cm == nil {
-		return "[]", nil
+func (it KeyboardType) Value() (driver.Value, error) {
+	val, ok := idsToKBTypes[it]
+	if ok {
+		return val, nil
 	}
-	jsonData, err := json.Marshal(cm)
-	return string(jsonData), err
+	return InvalidIntegration, nil
 }
 
-func (ChatMembers) GormDataType() string {
-	return "json"
+func (KeyboardType) GormDataType() string {
+	return "varchar(6)"
 }

internal/db/model/user.go

@@ -3,6 +3,8 @@ package model
 type User struct {
 	ID         uint64 `gorm:"primary_key;auto_increment" json:"id"`
 	TelegramID int64  `gorm:"not null" json:"telegram_id"`
+	ChatID     int64  `gorm:"not null" json:"chat_id"`
+	Language   string `json:"language"`
 	Chats      []Chat `gorm:"foreignKey:UserID" json:"chats"`
 }
 

internal/db/repository/chat.go

@@ -22,6 +22,22 @@ func (c *Chat) ByID(id uint64) (*model.Chat, error) {
 	return &chat, nil
 }
 
+func (c *Chat) ByTelegramID(id int64) (*model.Chat, error) {
+	var chat model.Chat
+	if err := c.db.Model(model.Chat{TelegramID: id}).First(&chat).Error; err != nil {
+		return nil, util.HandleRecordNotFound(err)
+	}
+	return &chat, nil
+}
+
+func (c *Chat) ByTelegramIDWithIntegrations(id int64) (*model.Chat, error) {
+	var chat model.Chat
+	if err := c.db.Model(model.Chat{TelegramID: id}).Preload("Integrations").First(&chat).Error; err != nil {
+		return nil, util.HandleRecordNotFound(err)
+	}
+	return &chat, nil
+}
+
 func (c *Chat) ByIDWithIntegrations(id uint64) (*model.Chat, error) {
 	var chat model.Chat
 	if err := c.db.Model(&chat).Preload("Integrations").First(&chat, id).Error; err != nil {
@@ -29,3 +45,11 @@ func (c *Chat) ByIDWithIntegrations(id uint64) (*model.Chat, error) {
 	}
 	return &chat, nil
 }
+
+func (c *Chat) Save(chat *model.Chat) error {
+	return c.db.Model(chat).Save(chat).Error
+}
+
+func (c *Chat) Delete(chat *model.Chat) error {
+	return c.db.Model(&model.Chat{ID: chat.ID}).Delete(chat).Error
+}

internal/db/repository/integration.go

@@ -0,0 +1,22 @@
+package repository
+
+import (
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
+	"gorm.io/gorm"
+)
+
+type Integration struct {
+	db *gorm.DB
+}
+
+func NewIntegration(db *gorm.DB) *Integration {
+	return &Integration{db: db}
+}
+
+func (r *Integration) Save(integration *model.Integration) error {
+	return r.db.Model(integration).Save(integration).Error
+}
+
+func (r *Integration) DeleteForChat(id uint64) error {
+	return r.db.Where("chat_id = ?", id).Delete(&model.Integration{}).Error
+}

internal/db/repository/user.go

@@ -30,6 +30,14 @@ func (u *User) ByTelegramID(id int64) (*model.User, error) {
 	return &user, nil
 }
 
+func (u *User) ByTelegramIDs(ids []int64) ([]model.User, error) {
+	var users []model.User
+	if err := u.db.Model(model.User{}).Where("telegram_id in (?)", ids).Find(&users).Error; err != nil {
+		return nil, util.HandleRecordNotFound(err)
+	}
+	return users, nil
+}
+
 func (u *User) ByIDWithChats(id uint64) (*model.User, error) {
 	var user model.User
 	if err := u.db.Model(&user).Preload("Chats").First(&user, id).Error; err != nil {
@@ -39,5 +47,5 @@ func (u *User) ByIDWithChats(id uint64) (*model.User, error) {
 }
 
 func (u *User) Save(user *model.User) error {
-	return u.db.Model(&model.User{}).Save(user).Error
+	return u.db.Model(user).Save(user).Error
 }

internal/handler/callback_query_handler.go

@@ -0,0 +1,151 @@
+package handler
+
+import (
+	"encoding/json"
+	"errors"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/util"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/locale"
+	"github.com/mymmrac/telego"
+	tu "github.com/mymmrac/telego/telegoutil"
+)
+
+type CallbackQueryHandler struct {
+	app iface.App
+}
+
+func NewCallbackQueryHandler(app iface.App) Handler {
+	return &CallbackQueryHandler{app: app}
+}
+
+func (h *CallbackQueryHandler) Handle(wh telego.Update) error {
+	cq := wh.CallbackQuery
+	user, err := h.app.DB().ForUser().ByTelegramID(cq.From.ID)
+	if err != nil {
+		return err
+	}
+	if user != nil && user.ID > 0 {
+		return h.handleSetupKey(cq, user)
+	}
+	return errors.New("not implemented yet")
+}
+
+func (h *CallbackQueryHandler) handleSetupKey(cq *telego.CallbackQuery, user *model.User) error {
+	var pl util.Payload
+	if err := json.Unmarshal([]byte(cq.Data), &pl); err != nil {
+		return err
+	}
+	switch pl.Action {
+	case util.PayloadActionChooseKeyboard:
+		return h.handleChooseKeyboard(pl, cq.Message.GetMessageID(), user)
+	case util.PayloadActionYesNo:
+		answer := pl.YesNoAnswer()
+		switch answer.Type {
+		case util.QuestionTypeRedmine:
+			return h.handleAnswerRedmine(answer, cq.Message.GetMessageID(), user)
+		case util.QuestionTypeRedmineHours:
+			return h.handleAnswerRedmineHours(answer, pl.Chat, cq.Message.GetMessageID(), user)
+		}
+	default:
+		return nil
+	}
+	return nil
+}
+
+func (h *CallbackQueryHandler) handleChooseKeyboard(pl util.Payload, msgID int, user *model.User) error {
+	cr := h.app.DB().ForChat()
+	result := pl.KeyboardChoice()
+	if pl.User != user.TelegramID {
+		return nil
+	}
+	chat, err := cr.ByTelegramID(pl.Chat)
+	if err != nil {
+		return err
+	}
+	if chat == nil || chat.ID == 0 {
+		return nil
+	}
+	chat.KeyboardType = result.Type
+	if err := cr.Save(chat); err != nil {
+		return err
+	}
+
+	kbTypeName := "standard_vote_keyboard"
+	if result.Type == model.StoryPointsKeyboard {
+		kbTypeName = "sp_vote_keyboard"
+	}
+	loc := h.app.Localizer(user.Language)
+	_, _ = h.app.TG().EditMessageText(&telego.EditMessageTextParams{
+		ChatID:    tu.ID(user.ChatID),
+		MessageID: msgID,
+		Text:      loc.Template("chosen_keyboard", map[string]interface{}{"Name": loc.Message(kbTypeName)}),
+	})
+	_, err = h.app.TG().SendMessage(&telego.SendMessageParams{
+		ChatID:    tu.ID(user.ChatID),
+		Text:      loc.Message("ask_for_redmine"),
+		ParseMode: telego.ModeMarkdown,
+		ReplyMarkup: &telego.InlineKeyboardMarkup{InlineKeyboard: [][]telego.InlineKeyboardButton{
+			{
+				{
+					Text:         loc.Message("yes"),
+					CallbackData: util.NewRedmineQuestionPayload(user.TelegramID, chat.TelegramID, true).String(),
+				},
+				{
+					Text:         loc.Message("no"),
+					CallbackData: util.NewRedmineQuestionPayload(user.TelegramID, chat.TelegramID, false).String(),
+				},
+			},
+		}},
+	})
+	return err
+}
+
+func (h *CallbackQueryHandler) handleAnswerRedmine(answer util.Answer, msgID int, user *model.User) error {
+	loc := h.app.Localizer(user.Language)
+	if !answer.Result {
+		_, _ = h.app.TG().EditMessageText(&telego.EditMessageTextParams{
+			ChatID:    tu.ID(user.ChatID),
+			MessageID: msgID,
+			Text:      loc.Message("redmine_will_not_be_configured"),
+		})
+		return sendSetupDoneMessage(h.app.TG(), user.ChatID, loc)
+	}
+	// @todo Ask for Redmine URL and proceed with asking for Redmine key in NewMessageHandler. Save both to Integration.
+	return nil
+}
+
+func (h *CallbackQueryHandler) handleAnswerRedmineHours(answer util.Answer, chatID int64, msgID int, user *model.User) error {
+	loc := h.app.Localizer(user.Language)
+	if !answer.Result {
+		_, _ = h.app.TG().EditMessageText(&telego.EditMessageTextParams{
+			ChatID:    tu.ID(user.ChatID),
+			MessageID: msgID,
+			Text:      loc.Message("redmine_hours_will_not_be_configured"),
+		})
+		return sendSetupDoneMessage(h.app.TG(), user.ChatID, loc)
+	}
+	cr := h.app.DB().ForChat()
+	chat, err := cr.ByTelegramIDWithIntegrations(chatID)
+	if err != nil {
+		return err
+	}
+	for _, it := range chat.Integrations {
+		if it.Type == model.RedmineIntegration {
+			it.Params["save_hours"] = true
+			if err := h.app.DB().ForIntegration().Save(&it); err != nil {
+				return err
+			}
+			break
+		}
+	}
+	return sendSetupDoneMessage(h.app.TG(), user.ChatID, loc)
+}
+
+func sendSetupDoneMessage(tg *telego.Bot, chatID int64, loc locale.Localizer) error {
+	_, err := tg.SendMessage(&telego.SendMessageParams{
+		ChatID: tu.ID(chatID),
+		Text:   loc.Message("setup_done"),
+	})
+	return err
+}

internal/handler/chat_member_updated_handler.go

@@ -1,19 +1,202 @@
 package handler
 
 import (
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/util"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/locale"
 	"github.com/mymmrac/telego"
+	tu "github.com/mymmrac/telego/telegoutil"
+	"golang.org/x/text/language"
 )
 
+const MaxChatMembers = 32
+
 type ChatMemberUpdatedHandler struct {
-	app fsmcontract.App
+	app iface.App
 }
 
-func NewChatMemberUpdatedHandler(app fsmcontract.App) *ChatMemberUpdatedHandler {
+func NewChatMemberUpdatedHandler(app iface.App) *ChatMemberUpdatedHandler {
 	return &ChatMemberUpdatedHandler{app: app}
 }
 
-func (h *ChatMemberUpdatedHandler) Handle(telego.Update) error {
-	// TODO implement me
-	panic("implement me")
+func (h *ChatMemberUpdatedHandler) Handle(wh telego.Update) error {
+	cm := wh.MyChatMember
+	if !cm.OldChatMember.MemberIsMember() && cm.OldChatMember.MemberUser().ID == h.app.TGProfile().ID &&
+		cm.NewChatMember.MemberIsMember() && cm.NewChatMember.MemberUser().ID == h.app.TGProfile().ID {
+		return h.handleAddToChat(wh.MyChatMember.Chat)
+	}
+	if cm.OldChatMember.MemberIsMember() && cm.OldChatMember.MemberUser().ID == h.app.TGProfile().ID &&
+		!cm.NewChatMember.MemberIsMember() && cm.NewChatMember.MemberUser().ID == h.app.TGProfile().ID {
+		return h.handleRemoveFromChat(wh.MyChatMember.Chat)
+	}
+
+	h.leaveChat(wh.MyChatMember.Chat.ID)
+	return nil
+}
+
+func (h *ChatMemberUpdatedHandler) handleAddToChat(tgChat telego.Chat) error {
+	cr := h.app.DB().ForChat()
+	chat, err := cr.ByTelegramID(tgChat.ID)
+	if err != nil {
+		h.sendInternalError(tgChat.ID, nil)
+		h.leaveChat(tgChat.ID)
+		return err
+	}
+
+	user, err := h.getRegisteredAdmin(tgChat.ID)
+	if err != nil {
+		h.sendInternalError(tgChat.ID, nil)
+		h.leaveChat(tgChat.ID)
+		return err
+	}
+	if user == nil || user.ID == 0 {
+		_, err = h.app.TG().SendMessage(&telego.SendMessageParams{
+			ChatID:    tu.ID(tgChat.ID),
+			Text:      h.app.Localizer(language.English.String()).Message("you_should_register_first"),
+			ParseMode: telego.ModeMarkdown,
+		})
+		h.leaveChat(tgChat.ID)
+		return err
+	}
+
+	loc := h.app.Localizer(user.Language)
+
+	totalMembers, err := h.app.TG().GetChatMemberCount(&telego.GetChatMemberCountParams{
+		ChatID: tu.ID(tgChat.ID),
+	})
+	if err != nil {
+		h.sendInternalError(tgChat.ID, nil)
+		h.leaveChat(tgChat.ID)
+		return err
+	}
+	if *totalMembers > MaxChatMembers {
+		_, err = h.app.TG().SendMessage(&telego.SendMessageParams{
+			ChatID:    tu.ID(tgChat.ID),
+			Text:      loc.Template("too_many_members_in_the_group", map[string]interface{}{"Limit": MaxChatMembers}),
+			ParseMode: telego.ModeMarkdown,
+		})
+		h.leaveChat(tgChat.ID)
+		return err
+	}
+
+	if chat == nil || chat.ID == 0 {
+		chat = &model.Chat{
+			TelegramID: tgChat.ID,
+			UserID:     user.ID,
+		}
+		err := cr.Save(chat)
+		if err != nil {
+			h.sendInternalError(tgChat.ID, loc)
+			h.leaveChat(tgChat.ID)
+			return err
+		}
+	} else {
+		chat.UserID = user.ID
+		err := h.app.DB().ForIntegration().DeleteForChat(chat.ID)
+		if err != nil {
+			h.sendInternalError(tgChat.ID, loc)
+			h.leaveChat(tgChat.ID)
+			return err
+		}
+		err = cr.Save(chat)
+		if err != nil {
+			h.sendInternalError(tgChat.ID, loc)
+			h.leaveChat(tgChat.ID)
+			return err
+		}
+	}
+
+	_, _ = h.app.TG().SendMessage(&telego.SendMessageParams{
+		ChatID:    tu.ID(user.ChatID),
+		Text:      loc.Template("bot_was_added", map[string]interface{}{"Name": tgChat.Title}),
+		ParseMode: telego.ModeMarkdown,
+	})
+
+	return h.sendKeyboardChooser(tgChat, user, loc)
+}
+
+func (h *ChatMemberUpdatedHandler) handleRemoveFromChat(tgChat telego.Chat) error {
+	cr := h.app.DB().ForChat()
+	chat, err := cr.ByTelegramID(tgChat.ID)
+	if err != nil {
+		return err
+	}
+	if chat != nil && chat.ID > 0 {
+		user, _ := h.app.DB().ForUser().ByID(chat.UserID)
+		if user != nil && user.ID > 0 && user.ChatID > 0 {
+			_, _ = h.app.TG().SendMessage(&telego.SendMessageParams{
+				ChatID: tu.ID(user.ChatID),
+				Text: h.app.Localizer(user.Language).Template(
+					"bot_was_removed_from_group", map[string]interface{}{"Name": tgChat.Title}),
+			})
+		}
+		return cr.Delete(chat)
+	}
+	return nil
+}
+
+func (h *ChatMemberUpdatedHandler) sendKeyboardChooser(chat telego.Chat, user *model.User, loc locale.Localizer) error {
+	_, err := h.app.TG().SendMessage(&telego.SendMessageParams{
+		ChatID:    tu.ID(user.ChatID),
+		Text:      loc.Template("choose_keyboard", map[string]interface{}{"Name": chat.Title}),
+		ParseMode: telego.ModeMarkdown,
+		ReplyMarkup: &telego.InlineKeyboardMarkup{
+			InlineKeyboard: [][]telego.InlineKeyboardButton{
+				{
+					{
+						Text: loc.Message("standard_vote_keyboard"),
+						CallbackData: util.NewKeyboardChooserPayload(
+							user.TelegramID, chat.ID, model.StandardKeyboard).String(),
+					},
+				},
+				{
+					{
+						Text: loc.Message("sp_vote_keyboard"),
+						CallbackData: util.NewKeyboardChooserPayload(
+							user.TelegramID, chat.ID, model.StoryPointsKeyboard).String(),
+					},
+				},
+			},
+		},
+	})
+	return err
+}
+
+func (h *ChatMemberUpdatedHandler) getRegisteredAdmin(chatID int64) (*model.User, error) {
+	admins, err := h.app.TG().GetChatAdministrators(&telego.GetChatAdministratorsParams{
+		ChatID: tu.ID(chatID),
+	})
+	if err != nil {
+		return nil, err
+	}
+	adminIDs := make([]int64, len(admins))
+	for i, admin := range admins {
+		adminIDs[i] = admin.MemberUser().ID
+	}
+	dbAdmins, err := h.app.DB().ForUser().ByTelegramIDs(adminIDs)
+	if err != nil {
+		return nil, err
+	}
+	if len(dbAdmins) > 0 {
+		return &dbAdmins[0], nil
+	}
+	return nil, nil
+}
+
+func (h *ChatMemberUpdatedHandler) leaveChat(chatID int64) {
+	_ = h.app.TG().LeaveChat(&telego.LeaveChatParams{
+		ChatID: tu.ID(chatID),
+	})
+}
+
+func (h *ChatMemberUpdatedHandler) sendInternalError(chatID int64, loc locale.Localizer) {
+	if loc == nil {
+		loc = h.app.Localizer(language.English.String())
+	}
+	_, _ = h.app.TG().SendMessage(&telego.SendMessageParams{
+		ChatID:    tu.ID(chatID),
+		Text:      loc.Message("internal_error"),
+		ParseMode: telego.ModeMarkdown,
+	})
 }

internal/handler/fsm/fsmcontract/db.go

@@ -1,15 +0,0 @@
-package fsmcontract
-
-import "gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
-
-type Repositories interface {
-	ForUser() UserRepository
-	ForChat() ChatRepository
-}
-
-type UserRepository interface {
-	ByTelegramID(id int64) (*model.User, error)
-	Save(user *model.User) error
-}
-
-type ChatRepository interface{}

internal/handler/fsm/fsmcontract/machine.go

@@ -1,7 +0,0 @@
-package fsmcontract
-
-type Machine interface {
-	Reset()
-	Handle()
-	HandleError(error)
-}

internal/handler/fsm/fsmcontract/state.go

@@ -1,5 +0,0 @@
-package fsmcontract
-
-type State interface {
-	Handle(ctx Context) (State, Context, error)
-}

internal/handler/fsm/fsmcore/atomic_value.go

@@ -1,25 +0,0 @@
-package fsmcore
-
-import "sync/atomic"
-
-type AtomicValue[T any] struct {
-	ptr atomic.Pointer[T]
-}
-
-func NewAtomicValue[T any](val T) *AtomicValue[T] {
-	value := &AtomicValue[T]{}
-	value.ptr.Store(&val)
-	return value
-}
-
-func (v *AtomicValue[T]) Load() (result T) {
-	val := v.ptr.Load()
-	if val == nil {
-		return
-	}
-	return *val
-}
-
-func (v *AtomicValue[T]) Store(value T) {
-	v.ptr.Store(&value)
-}

internal/handler/fsm/fsmcore/machine.go

@@ -1,57 +0,0 @@
-package fsmcore
-
-import (
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
-)
-
-type (
-	MachineErrorHandler func(fsmcontract.Machine, fsmcontract.Context, error)
-	NewContextFunc      func() fsmcontract.Context
-)
-
-type Machine struct {
-	ctx            *AtomicValue[fsmcontract.Context]
-	entryState     fsmcontract.State
-	state          *AtomicValue[fsmcontract.State]
-	newContextFunc NewContextFunc
-	errHandler     MachineErrorHandler
-}
-
-func NewMachine(ctx fsmcontract.Context, entryState fsmcontract.State,
-	newContextFunc NewContextFunc, errHandler MachineErrorHandler) *Machine {
-	return &Machine{
-		ctx:            NewAtomicValue[fsmcontract.Context](ctx),
-		entryState:     entryState,
-		state:          NewAtomicValue[fsmcontract.State](entryState),
-		newContextFunc: newContextFunc,
-		errHandler:     errHandler,
-	}
-}
-
-func (m *Machine) Handle() {
-	ctx := m.ctx.Load()
-	state := m.state.Load()
-	next, newCtx, err := state.Handle(ctx)
-	if err != nil {
-		m.HandleError(err)
-	}
-	if next != state {
-		m.state.Store(next)
-	}
-	m.ctx.Store(newCtx)
-}
-
-func (m *Machine) Reset() {
-	var ctx fsmcontract.Context
-	if m.newContextFunc != nil {
-		ctx = m.newContextFunc()
-	}
-	m.ctx.Store(ctx)
-	m.state.Store(m.entryState)
-}
-
-func (m *Machine) HandleError(err error) {
-	if m.errHandler != nil {
-		m.errHandler(m, m.ctx.Load(), err)
-	}
-}

internal/handler/fsm/fsmcore/state.go

@@ -1,17 +0,0 @@
-package fsmcore
-
-import "gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
-
-type HandleFunc func(ctx fsmcontract.Context) (fsmcontract.State, fsmcontract.Context, error)
-
-type State struct {
-	next HandleFunc
-}
-
-func (s *State) Handle(ctx fsmcontract.Context) (fsmcontract.State, fsmcontract.Context, error) {
-	return s.next(ctx)
-}
-
-func NewState(next HandleFunc) fsmcontract.State {
-	return &State{next: next}
-}

internal/handler/fsm/machine/dto/context.go

@@ -1,19 +0,0 @@
-package dto
-
-import (
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
-	"github.com/mymmrac/telego"
-)
-
-type Context struct {
-	Application fsmcontract.App
-	Update      telego.Update
-}
-
-func (c *Context) App() fsmcontract.App {
-	return c.Application
-}
-
-func (c *Context) Data() map[string]interface{} {
-	return map[string]interface{}{"update": c.Update}
-}

internal/handler/fsm/machine/store.go

@@ -1,63 +0,0 @@
-package machine
-
-import (
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
-	"sync"
-)
-
-var (
-	userMachines = newStore[int64, fsmcontract.Machine]()
-	pollMachines = newStore[int64, fsmcontract.Machine]()
-)
-
-type store[K comparable, V any] struct {
-	m map[K]V
-	l sync.RWMutex
-}
-
-func newStore[K comparable, V any]() *store[K, V] {
-	return &store[K, V]{m: map[K]V{}}
-}
-
-func (s *store[K, V]) Store(k K, v V) {
-	defer s.l.Unlock()
-	s.l.Lock()
-	s.m[k] = v
-}
-
-func (s *store[K, V]) Load(k K) (v V, ok bool) {
-	defer s.l.RUnlock()
-	s.l.RLock()
-	v, ok = s.m[k]
-	return
-}
-
-func ForUser(id int64) fsmcontract.Machine {
-	val, ok := userMachines.Load(id)
-	if !ok {
-		machine := newUserMachine()
-		userMachines.Store(id, machine)
-		return machine
-	}
-	return val
-}
-
-func ForPoll(id int64) fsmcontract.Machine {
-	val, ok := pollMachines.Load(id)
-	if !ok {
-		machine := newPollMachine()
-		pollMachines.Store(id, machine)
-		return machine
-	}
-	return val
-}
-
-func newUserMachine() fsmcontract.Machine {
-	// todo implement this
-	panic("not implemented yet")
-}
-
-func newPollMachine() fsmcontract.Machine {
-	// todo implement this
-	panic("not implemented yet")
-}

internal/handler/handler.go

@@ -10,6 +10,7 @@ const (
 	Noop Type = iota
 	Message
 	ChatMemberUpdated
+	CallbackQuery
 )
 
 type Handler interface {

internal/handler/iface/app.go

@@ -1,4 +1,4 @@
-package fsmcontract
+package iface
 
 import (
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/config"
@@ -7,14 +7,10 @@ import (
 	"go.uber.org/zap"
 )
 
-type Context interface {
-	App() App
-	Data() map[string]interface{}
-}
-
 type App interface {
 	Log() *zap.SugaredLogger
 	TG() *telego.Bot
+	TGProfile() *telego.User
 	Conf() *config.Config
 	DB() Repositories
 	Localizer(string) locale.Localizer

internal/handler/iface/base.go

@@ -1,17 +1,16 @@
 package iface
 
 import (
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/locale"
 )
 
 type Base struct {
-	App    fsmcontract.App
+	App    App
 	UserID int64
 	ChatID int64
 }
 
-func NewBase(app fsmcontract.App, userID int64, chatID int64) Base {
+func NewBase(app App, userID int64, chatID int64) Base {
 	return Base{app, userID, chatID}
 }
 

internal/handler/iface/context.go

@@ -0,0 +1,6 @@
+package iface
+
+type Context interface {
+	App() App
+	Data() map[string]interface{}
+}

internal/handler/iface/repositories.go

@@ -0,0 +1,29 @@
+package iface
+
+import "gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
+
+type Repositories interface {
+	ForUser() UserRepository
+	ForChat() ChatRepository
+	ForIntegration() IntegrationRepository
+}
+
+type UserRepository interface {
+	ByID(id uint64) (*model.User, error)
+	ByTelegramID(id int64) (*model.User, error)
+	ByTelegramIDs(ids []int64) ([]model.User, error)
+	Save(user *model.User) error
+}
+
+type ChatRepository interface {
+	ByID(id uint64) (*model.Chat, error)
+	ByTelegramID(id int64) (*model.Chat, error)
+	ByTelegramIDWithIntegrations(id int64) (*model.Chat, error)
+	Save(chat *model.Chat) error
+	Delete(chat *model.Chat) error
+}
+
+type IntegrationRepository interface {
+	Save(integration *model.Integration) error
+	DeleteForChat(id uint64) error
+}

internal/handler/new_message_handler.go

@@ -2,34 +2,37 @@ package handler
 
 import (
 	"encoding/json"
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/util"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/wizard"
 	"github.com/mymmrac/telego"
 )
 
 type MessageHandler struct {
-	app fsmcontract.App
+	app iface.App
 }
 
-func NewMessageHandler(app fsmcontract.App) Handler {
+func NewMessageHandler(app iface.App) Handler {
 	return &MessageHandler{app: app}
 }
 
 func (h *MessageHandler) Handle(wh telego.Update) error {
-	if wh.Message != nil {
 	if wh.Message.From != nil &&
-			wh.Message.Chat.Type == telego.ChatTypePrivate &&
-			util.MatchCommand("start", wh.Message) {
+		wh.Message.Chat.Type == telego.ChatTypePrivate {
+		if util.MatchCommand("start", wh.Message) {
 			return wizard.NewRegister(h.app, wh.Message.From.ID, wh.Message.Chat.ID).Handle(wh)
 		}
+		if util.MatchCommand("help", wh.Message) {
+			return wizard.NewHelpCommand(h.app, wh.Message.From.ID, wh.Message.Chat.ID).Handle(wh)
+		}
+		return wizard.NewUnknownCommand(h.app, wh.Message.From.ID, wh.Message.Chat.ID).Handle(wh)
+	}
 
 	// TODO: Remove debug statement below.
 	h.app.Log().Debugf("New Message: %s", func(msg *telego.Message) string {
 		data, _ := json.Marshal(msg)
 		return string(data)
 	}(wh.Message))
-	}
 
 	return nil
 }

internal/handler/store/polls.go

@@ -1,14 +1,14 @@
-package machine
+package store
 
 import (
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/machine/dto"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/util"
 	"time"
 
 	"github.com/maypok86/otter"
 )
 
 type MemberVote struct {
-	dto.Member
+	util.Member
 	Vote float32
 }
 
@@ -20,7 +20,7 @@ type PollResult struct {
 }
 
 type PollState struct {
-	Members []dto.Member
+	Members []util.Member
 	Votes   []MemberVote
 	Result  PollResult
 }

internal/handler/util/payload.go

@@ -1,25 +1,22 @@
-package dto
+package util
 
 import (
 	"encoding/json"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
 )
 
 type PayloadAction uint8
 
 const (
-	PayloadActionNext = iota
-	PayloadActionPrevious
-	PayloadActionAddMember
-	PayloadActionRemoveMember
-	PayloadActionYesNo
+	PayloadActionYesNo = iota
 	PayloadActionVote
+	PayloadActionChooseKeyboard
 )
 
 type QuestionType uint8
 
 const (
-	QuestionTypeChatMembers QuestionType = iota
-	QuestionTypeRedmine
+	QuestionTypeRedmine = iota
 	QuestionTypeRedmineHours
 )
 
@@ -30,11 +27,44 @@ type Payload struct {
 	Data   json.RawMessage `json:"d,omitempty"`
 }
 
+func (p Payload) String() string {
+	data, _ := json.Marshal(&p)
+	return string(data)
+}
+
+func (p Payload) Vote() (val Vote) {
+	if p.Action != PayloadActionVote {
+		return
+	}
+	_ = json.Unmarshal(p.Data, &val)
+	return
+}
+
+func (p Payload) KeyboardChoice() (val KBChooserData) {
+	if p.Action != PayloadActionVote {
+		return
+	}
+	_ = json.Unmarshal(p.Data, &val)
+	return
+}
+
+func (p Payload) YesNoAnswer() (val Answer) {
+	if p.Action != PayloadActionYesNo {
+		return
+	}
+	_ = json.Unmarshal(p.Data, &val)
+	return
+}
+
 type Member struct {
 	ID   int64
 	Name string
 }
 
+type KBChooserData struct {
+	Type model.KeyboardType `json:"k"`
+}
+
 type Vote struct {
 	Vote float32 `json:"v"`
 }
@@ -44,37 +74,14 @@ type Answer struct {
 	Result bool         `json:"r"`
 }
 
-func NewNextPageMembersPayload(userID, chatID int64) *Payload {
+func NewKeyboardChooserPayload(userID, chatID int64, kbType model.KeyboardType) *Payload {
 	return &Payload{
-		Action: PayloadActionNext,
+		Action: PayloadActionChooseKeyboard,
 		User:   userID,
 		Chat:   chatID,
-	}
-}
-
-func NewPrevPageMembersPayload(userID, chatID int64) *Payload {
-	return &Payload{
-		Action: PayloadActionPrevious,
-		User:   userID,
-		Chat:   chatID,
-	}
-}
-
-func NewAddMemberPayload(userID, chatID, memberID int64, memberName string) *Payload {
-	return &Payload{
-		Action: PayloadActionAddMember,
-		User:   userID,
-		Chat:   chatID,
-		Data:   marshal(Member{ID: memberID, Name: memberName}),
-	}
-}
-
-func NewRemoveMemberPayload(userID, chatID, memberID int64, memberName string) *Payload {
-	return &Payload{
-		Action: PayloadActionRemoveMember,
-		User:   userID,
-		Chat:   chatID,
-		Data:   marshal(Member{ID: memberID, Name: memberName}),
+		Data: marshal(KBChooserData{
+			Type: kbType,
+		}),
 	}
 }
 
@@ -86,15 +93,6 @@ func NewVotePayload(chatID int64, vote float32) *Payload {
 	}
 }
 
-func NewConfirmMembersPayload(userID int64, chatID int64) *Payload {
-	return &Payload{
-		Action: PayloadActionYesNo,
-		User:   userID,
-		Chat:   chatID,
-		Data:   marshal(Answer{Type: QuestionTypeChatMembers, Result: true}),
-	}
-}
-
 func NewRedmineQuestionPayload(userID int64, chatID int64, isYes bool) *Payload {
 	return &Payload{
 		Action: PayloadActionYesNo,

internal/handler/wizard/help_command.go

@@ -0,0 +1,24 @@
+package wizard
+
+import (
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
+	"github.com/mymmrac/telego"
+	tu "github.com/mymmrac/telego/telegoutil"
+)
+
+type HelpCommand struct {
+	UnknownCommand
+}
+
+func NewHelpCommand(app iface.App, userID, chatID int64) *HelpCommand {
+	return &HelpCommand{*NewUnknownCommand(app, userID, chatID)}
+}
+
+func (h *HelpCommand) Handle(wh telego.Update) error {
+	_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
+		ChatID:    tu.ID(wh.Message.Chat.ID),
+		Text:      h.loc(wh.Message.From.LanguageCode).Message("help_output"),
+		ParseMode: telego.ModeMarkdown,
+	})
+	return err
+}

internal/handler/wizard/register.go

@@ -2,7 +2,6 @@ package wizard
 
 import (
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/db/model"
-	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/fsm/fsmcontract"
 	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
 	"github.com/mymmrac/telego"
 	tu "github.com/mymmrac/telego/telegoutil"
@@ -12,7 +11,7 @@ type Register struct {
 	iface.Base
 }
 
-func NewRegister(app fsmcontract.App, userID, chatID int64) *Register {
+func NewRegister(app iface.App, userID, chatID int64) *Register {
 	return &Register{iface.NewBase(app, userID, chatID)}
 }
 
@@ -25,6 +24,18 @@ func (h *Register) Handle(wh telego.Update) error {
 	}
 
 	if user != nil && user.ID > 0 {
+		var shouldUpdate bool
+		if user.ChatID != wh.Message.Chat.ID {
+			user.ChatID = wh.Message.Chat.ID
+			shouldUpdate = true
+		}
+		if user.Language != wh.Message.From.LanguageCode {
+			user.Language = wh.Message.From.LanguageCode
+			shouldUpdate = true
+		}
+		if shouldUpdate {
+			_ = userRepo.Save(user)
+		}
 		_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
 			ChatID:    tu.ID(wh.Message.Chat.ID),
 			Text:      loc.Message("welcome"),
@@ -35,6 +46,8 @@ func (h *Register) Handle(wh telego.Update) error {
 
 	err = userRepo.Save(&model.User{
 		TelegramID: wh.Message.From.ID,
+		ChatID:     wh.Message.Chat.ID,
+		Language:   wh.Message.From.LanguageCode,
 	})
 	if err != nil {
 		_, _ = h.App.TG().SendMessage(&telego.SendMessageParams{

internal/handler/wizard/unknown_command.go

@@ -0,0 +1,38 @@
+package wizard
+
+import (
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/handler/iface"
+	"gitea.neur0tx.site/Neur0toxine/vegapokerbot/internal/locale"
+	"github.com/mymmrac/telego"
+	tu "github.com/mymmrac/telego/telegoutil"
+	"golang.org/x/text/language"
+	"strings"
+)
+
+type UnknownCommand struct {
+	iface.Base
+}
+
+func NewUnknownCommand(app iface.App, userID, chatID int64) *UnknownCommand {
+	return &UnknownCommand{iface.NewBase(app, userID, chatID)}
+}
+
+func (h *UnknownCommand) Handle(wh telego.Update) error {
+	_, err := h.App.TG().SendMessage(&telego.SendMessageParams{
+		ChatID:    tu.ID(wh.Message.Chat.ID),
+		Text:      h.loc(wh.Message.From.LanguageCode).Message("unknown_command"),
+		ParseMode: telego.ModeMarkdown,
+	})
+	return err
+}
+
+func (h *UnknownCommand) loc(loc string) locale.Localizer {
+	loc = strings.ToLower(loc)
+	if len(loc) > 2 {
+		loc = loc[:2]
+	}
+	if loc != "en" && loc != "ru" {
+		return h.App.Localizer(language.English.String())
+	}
+	return h.App.Localizer(loc)
+}

internal/locale/app.en.yaml

@@ -1,20 +1,26 @@
 welcome: "👋 Hello! This bot allows you to conduct Scrum Poker directly in a Telegram chat and pass results to issues tied to a Redmine instance. To start, add the bot to the chat where you want to conduct poker. After this, you can continue with the setup."
+you_should_register_first: "You must register in the @vegapokerbot first before adding bot to the group."
+too_many_members_in_the_group: "Bot doesn't support groups with more than {{.Limit}} members."
 internal_error: "❌ Internal error, try again later."
-bot_was_added: "Great, the bot has been added to the chat \"{{.Name}}\". Choose chat members who will participate in the poker."
-previous: "◀️ Back"
-next: "Next ▶️"
-choose_keyboard: "⌨️ Choose a keyboard for poker. There are two types of keyboards available:\n\n• Standard - for regular poker, it uses Fibonacci numbers up to 13;\n• Story Points Poker Keyboard - a keyboard with buttons from 0.5 to 10 with step 0.5."
-standard_vote_keyboard: "Standard poker keyboard"
-sp_vote_keyboard: "Story Points poker keyboard"
+bot_was_added: "Great, the bot has been added to the group \"{{.Name}}\"."
+choose_keyboard: "⌨️ Choose a keyboard for poker in the {{.Name}} group. There are two types of keyboards available:\n\n• Standard - for regular poker, it uses Fibonacci numbers up to 13;\n• Story Points Poker Keyboard - a keyboard with buttons from 0.5 to 10 with step 0.5."
+standard_vote_keyboard: "⌨️ Standard poker keyboard"
+sp_vote_keyboard: "⌨️ Story Points poker keyboard"
+bot_was_removed_from_group: "⚠️ Bot was removed from group {{.Name}}. Group parameters have been deleted. You can restore connection with the group by adding the bot to the group and performing initial setup again."
+unknown_command: "❔ Unknown command. Please use /help to check the list of available commands."
+help_output: "📄 Available commands:\n\n• /start - registers you in the bot;\n• /poll@vegapokerbot <task> - starts the poker in group, works only in the connected groups;\n• /help - prints this message."
 choose_at_least_one: "❌ You must choose at least one participant."
 ask_for_redmine: "📕 Configure integration with Redmine?"
+redmine_will_not_be_configured: "Redmine will not be configured. You won't be able to send poker results to Redmine or load additional task information."
+redmine_hours_will_not_be_configured: "Vote results won't be sent to Redmine as hours."
+chosen_keyboard: "{{.Name}} has been selected."
 please_send_redmine_url: "Please send the URL of your Redmine instance."
 please_send_redmine_key: "Please send your API key that will be used by the bot to interact with Redmine. The bot will perform the following actions:\n\n• retrieving task data;\n• writing the result of the poker in the task (if configured in subsequent steps).\n\nThe access key for the API can be found on the left part of the page by [this link](/my/account)."
 invalid_redmine_credentials: "⚠️ Failed to verify connection with Redmine. Will try setting up again?"
-redmine_was_connected: "✔️ Great, Redmine is now connected! Now when starting a vote and passing it on to `/poll@vegapokerbot` in the chat, the bot will mention the task theme and generate a link to the task.\n\nThe bot can pass results of the vote directly into custom fields of issues in Redmine. The following data are passed:\n\n• the vote result;\n• the vote result converted to hours (assuming that the vote result is story points, conversion to hours is automatic).\n\nDo you want to send this data to Redmine at the end of the poker?"
+redmine_was_connected: "✔️ Great, Redmine is now connected! Now when starting a vote and passing it on to /poll@vegapokerbot in the chat, the bot will mention the task theme and generate a link to the task.\n\nThe bot can pass results of the vote directly into custom fields of issues in Redmine. The following data are passed:\n\n• the vote result;\n• the vote result converted to hours (assuming that the vote result is story points, conversion to hours is automatic).\n\nDo you want to send this data to Redmine at the end of the poker?"
 specify_result_field: "Specify the name of the field where the poker result will be written."
 should_also_send_hours: "Do you want the poker result to be converted to hours and also sent to Redmine? This is useful if you treat the vote result as story points. In that case the result will be multiplied by 8 before sending it to Redmine. Example: vote result 1.5 means that we will send to Redmine 1.5 * 8 = 12."
 specify_second_result_field: "Specify the name of the field where the poker result in hours will be writen."
-setup_done: "✔️ Done, now your chat is connected to the bot!\nUse the command`/poll@vegapokerbot` in the connected chat to start a vote."
+setup_done: "✔️ Done, now your chat is connected to the bot!\nUse the command /poll@vegapokerbot in the connected chat to start a vote."
 yes: "✔️ Yes"
 no: "✖️ No"

internal/locale/app.ru.yaml

@@ -1,20 +1,25 @@
 welcome: "👋 Привет! Этот бот позволяет проводить Scrum Poker прямо в чате Telegram и передавать результаты в задачи в привязанном Redmine. Для начала добавьте бота в чат, в котором вы хотите проводить poker. После этого вы сможете продолжить настройку."
+you_should_register_first: "Перед добавлением бота в группу необходимо зарегистрироваться в @vegapokerbot."
+too_many_members_in_the_group: "Бот не поддерживает группы, в которых количество участников превышает {{.Limit}}."
 internal_error: "❌ Внутренняя ошибка, попробуйте попытку позже."
-bot_was_added: "Отлично, бот был добавлен в чат \"{{.Name}}\". Выберите участников чата, которые будут участвовать в покере."
-previous: "◀️ Назад"
-next: "Вперед ▶️"
-choose_keyboard: "⌨️ Выберите клавиатуру для голосований в чате. Доступны два вида клавиатуры:\n\n• Стандартная - для обычного покера, использует Фибоначчи до 13;\n• Story Points клавиатура - клавиатура от 0.5 до 10 с шагом 0.5."
-standard_vote_keyboard: "Стандартная poker-клавиатура"
-sp_vote_keyboard: "Story Points poker-клавиатура"
+bot_was_added: "Отлично, бот был добавлен в чат \"{{.Name}}\"."
+choose_keyboard: "⌨️ Выберите клавиатуру для голосований в группе {{.Name}}. Доступны два вида клавиатуры:\n\n• Стандартная - для обычного покера, использует Фибоначчи до 13;\n• Story Points клавиатура - клавиатура от 0.5 до 10 с шагом 0.5."
+standard_vote_keyboard: "⌨️ Стандартная poker-клавиатура"
+sp_vote_keyboard: "⌨️ Story Points poker-клавиатура"
+bot_was_removed_from_group: "⚠️ Бот был удален из группы {{.Name}}. Настройки группы были удалены. Для того, чтобы восстановить связь с группой добавьте бота в нее и произведите настройку повторно."
+unknown_command: "❔ Неизвестная команда. Используйте /help для вывода списка доступных команд."
+help_output: "📄 Доступные команды:\n\n• /start - регистрация в боте;\n• /poll@vegapokerbot <task> - запускает poker в группе, работает только в подключенных группах;\n• /help - выводит эту справку."
 choose_at_least_one: "❌ Вы должны выбрать хотя бы одного участника."
 ask_for_redmine: "📕 Настроить интеграцию с Redmine?"
+redmine_will_not_be_configured: "⚠️ Интеграция с Redmine не будет настроена. Вы не сможете отправлять результаты poker в Redmine или получать информацию о задачах."
+chosen_keyboard: "Выбрана {{.Name}}."
 please_send_redmine_url: "Пожалуйста, отправьте ссылку на свой инстанс Redmine."
 please_send_redmine_key: "Отправьте свой API-ключ, который будет использоваться ботом для взаимодействия с Redmine. Бот будет выполнять следующие действия:\n\n• получение данных задачи;\n• запись результата покера в задачу (если будет настроено в следующих шагах).\n\nКлюч доступа к API можно найти в левой части страницы по [этой ссылке](/my/account)."
 invalid_redmine_credentials: "⚠️ Не удалось проверить связь с Redmine. Будете пробовать настроить заново?"
-redmine_was_connected: "✔️ Отлично, теперь Redmine подключен! Теперь при начале голосования и передаче в команду `/poll@vegapokerbot` номера задачи бот укажет в сообщении тему задачи и сгенерирует ссылку на задачу.\n\nБот может передавать результаты голосования напрямую в кастомные поля задачи в Redmine. Передаются следующие данные:\n\n• полученная в итоге голосования оценка;\n• конвертированная в часы оценка (если оценка в story points, конвертация в часы автоматическая).\n\nБудете настраивать передачу этих данных?"
+redmine_was_connected: "✔️ Отлично, теперь Redmine подключен! Теперь при начале голосования и передаче в команду /poll@vegapokerbot номера задачи бот укажет в сообщении тему задачи и сгенерирует ссылку на задачу.\n\nБот может передавать результаты голосования напрямую в кастомные поля задачи в Redmine. Передаются следующие данные:\n\n• полученная в итоге голосования оценка;\n• конвертированная в часы оценка (если оценка в story points, конвертация в часы автоматическая).\n\nБудете настраивать передачу этих данных?"
 specify_result_field: "Укажите название поля, в которое будет передаваться результат оценки."
 should_also_send_hours: "Передавать в другое поле сконвертированный в часы результат оценки? Предполагается, что оценка - это story points, поэтому будет передаваться умноженный на 8 результат. Пример: результат голосования 1,5 - в дополнительное поле передастся 1,5 * 8 = 12."
 specify_second_result_field: "Укажите название поля, в которое будет передаваться результат оценки в часах."
-setup_done: "✔️ Готово, чат подключен к боту!\nИспользуйте команду`/poll@vegapokerbot` в подключенном чате для запуска голосования."
+setup_done: "✔️ Готово, чат подключен к боту!\nИспользуйте команду /poll@vegapokerbot в подключенном чате для запуска голосования."
 yes: "✔️ Да"
 no: "✖️ Нет"