✨ feat: add telegram bot (#71)

common/telegram/conversation.go

@@ -0,0 +1,46 @@
+package telegram
+
+import (
+	"fmt"
+
+	"github.com/PaulSonOfLars/gotgbot/v2"
+	"github.com/PaulSonOfLars/gotgbot/v2/ext"
+	"github.com/PaulSonOfLars/gotgbot/v2/ext/handlers"
+	"github.com/PaulSonOfLars/gotgbot/v2/ext/handlers/conversation"
+	"github.com/PaulSonOfLars/gotgbot/v2/ext/handlers/filters/callbackquery"
+)
+
+func cancelConversationInlineKeyboard() gotgbot.InlineKeyboardMarkup {
+	bt := gotgbot.InlineKeyboardMarkup{
+		InlineKeyboard: [][]gotgbot.InlineKeyboardButton{{
+			{Text: "取消", CallbackData: "cancel"},
+		}},
+	}
+
+	return bt
+}
+
+func cancelConversationOpts() *handlers.ConversationOpts {
+	return &handlers.ConversationOpts{
+		Exits:        []ext.Handler{handlers.NewCallback(callbackquery.Equal("cancel"), cancelConversation)},
+		StateStorage: conversation.NewInMemoryStorage(conversation.KeyStrategySenderAndChat),
+		AllowReEntry: true,
+	}
+}
+
+func cancelConversation(b *gotgbot.Bot, ctx *ext.Context) error {
+	cb := ctx.Update.CallbackQuery
+	_, err := cb.Answer(b, &gotgbot.AnswerCallbackQueryOpts{
+		Text: "已取消!",
+	})
+	if err != nil {
+		return fmt.Errorf("failed to answer start callback query: %w", err)
+	}
+
+	_, err = cb.Message.Delete(b, nil)
+	if err != nil {
+		return fmt.Errorf("failed to send cancel message: %w", err)
+	}
+
+	return handlers.EndConversation()
+}