Init commit

cmd/main.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"GoFinanceManager/src/api"
+	"GoFinanceManager/src/bot"
+	"GoFinanceManager/src/config"
+
+	"context"
+	"log"
+)
+
+func main() {
+	var runnable []Runnable
+
+	cfg, err := config.Load()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	ctx := context.Background()
+
+	if cfg.RunMode == config.API || cfg.RunMode == config.Standalone {
+		server := api.NewServer(cfg)
+		runnable = append(runnable, func(ctx context.Context) error {
+			log.Println("API started on", cfg.APIPort)
+			return server.Start()
+		})
+		runnable = append(runnable, func(ctx context.Context) error {
+			<-ctx.Done()
+			return server.Shutdown(context.Background())
+		})
+	}
+
+	if cfg.RunMode == config.Bot || cfg.RunMode == config.Standalone {
+		tgBot, _ := bot.NewBot(cfg)
+		log.Println("Bot started...")
+		runnable = append(runnable, func(ctx context.Context) error {
+			return tgBot.Start(ctx)
+		})
+	}
+
+	Run(ctx, runnable...)
+}

cmd/runtime.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+)
+
+type Runnable func(ctx context.Context) error
+
+func Run(ctx context.Context, runnable ...Runnable) {
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
+
+	errCh := make(chan error, len(runnable))
+
+	for _, r := range runnable {
+		go func(run Runnable) {
+			if err := run(ctx); err != nil {
+				errCh <- err
+			}
+		}(r)
+	}
+
+	sigCh := make(chan os.Signal, 1)
+	signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
+
+	select {
+	case sig := <-sigCh:
+		log.Println("shutdown signal:", sig)
+	case err := <-errCh:
+		log.Println("runtime error:", err)
+	}
+
+	cancel()
+	time.Sleep(2 * time.Second)
+}