Initial commit

cmd/tg-holy-bot/main.go

@@ -0,0 +1,71 @@
+// Package main implements entry point for this telegram bot service.
+package main
+
+import (
+	"os/signal"
+	"syscall"
+	"tg-holy-bot/internal/holy"
+	"tg-holy-bot/internal/log"
+
+	"github.com/NicoNex/echotron/v3"
+	"github.com/robfig/cron/v3"
+)
+
+func main() {
+	var (
+		err error
+	)
+
+	if err = holy.ReadConfig(); err != nil {
+		log.Fatalf("%s", err)
+	}
+
+	if err = log.Init(holy.Config.Loglevel, holy.Config.Log); err != nil {
+		log.Fatalf("%s", err)
+	}
+
+	log.Info("Starting bot")
+
+	// Самое время поставить трапы на сигналы.
+	signal.Notify(holy.SigChan,
+		syscall.SIGINT,
+		syscall.SIGTERM,
+		syscall.SIGQUIT)
+
+	// Запустим обработчик сигналов.
+	log.Info("Install signal handler")
+
+	go holy.SigHandler()
+
+	// Инициализируем бота.
+	log.Info("Initialize bot api client")
+
+	holy.Bot = echotron.NewAPI(holy.Config.Token)
+
+	log.Info("Create cron")
+
+	c := cron.New()
+
+	log.Infof("Add cron task %s to periodically run holiday client", holy.Config.When)
+
+	if _, err := c.AddFunc(holy.Config.When, holy.CronTask); err != nil {
+		log.Fatalf("Unable to add task to cron: %s", err)
+	}
+
+	log.Infof("Run cron")
+
+	c.Start()
+
+	// Залочимся до момента завершения программы.
+	<-holy.Run
+
+	log.Infof("Stop cron")
+
+	// Jobs usually runs in a fraction of second, don't bother waiting for their completion.
+	_ = c.Stop()
+
+	log.Infof("Shutdown bot")
+	log.Close()
+}
+
+/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */