mtg-price-bot/cmd/telegram/main.go
Artyom Belousov a33680d527 Redis -> YDB
2023-05-27 22:10:31 +03:00

81 lines
2 KiB
Go

package main
import (
"context"
"fmt"
"log"
"os"
"time"
tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
environ "github.com/ydb-platform/ydb-go-sdk-auth-environ"
"github.com/ydb-platform/ydb-go-sdk/v3"
"gitlab.com/flygrounder/go-mtg-vk/internal/caching"
"gitlab.com/flygrounder/go-mtg-vk/internal/cardsinfo"
"gitlab.com/flygrounder/go-mtg-vk/internal/scenario"
"gitlab.com/flygrounder/go-mtg-vk/internal/telegram"
)
const welcomeMessage = "Здравствуйте, вас приветствует бот для поиска цен на карты MTG, введите название карты, которая вас интересует."
func main() {
token, exists := os.LookupEnv("TG_TOKEN")
if !exists {
panic("TG_TOKEN environment variable not defined")
}
bot, _ := tgbotapi.NewBotAPI(token)
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
dsn, exists := os.LookupEnv("YDB_CONNECTION_STRING")
if !exists {
panic("YDB_CONNECTION_STRING environment variable not defined")
}
db, err := ydb.Open(ctx,
dsn,
environ.WithEnvironCredentials(ctx),
)
if err != nil {
panic(fmt.Errorf("connect error: %w", err))
}
defer func() { _ = db.Close(ctx) }()
sender := &telegram.Sender{
API: bot,
}
cache := &caching.CacheClient{
Storage: db.Table(),
Expiration: 12 * time.Hour,
Prefix: db.Name(),
}
err = cache.Init(context.Background())
if err != nil {
panic(fmt.Errorf("init error: %w", err))
}
sc := &scenario.Scenario{
Sender: sender,
Logger: log.New(os.Stdout, "", 0),
Cache: cache,
InfoFetcher: &cardsinfo.Fetcher{},
}
u := tgbotapi.NewUpdate(0)
updates, _ := bot.GetUpdatesChan(u)
for update := range updates {
if update.Message == nil {
continue
}
if update.Message.Text == "/start" {
sender.Send(update.Message.Chat.ID, welcomeMessage)
continue
}
go sc.HandleSearch(context.Background(), &scenario.UserMessage{
Body: update.Message.Text,
UserId: update.Message.Chat.ID,
})
}
}