Initial commit

hw12_13_14_15_calendar/cmd/calendar/config.go

@@ -0,0 +1,20 @@
+package main
+
+// При желании конфигурацию можно вынести в internal/config.
+// Организация конфига в main принуждает нас сужать API компонентов, использовать
+// при их конструировании только необходимые параметры, а также уменьшает вероятность циклической зависимости.
+type Config struct {
+	Logger LoggerConf
+	// TODO
+}
+
+type LoggerConf struct {
+	Level string
+	// TODO
+}
+
+func NewConfig() Config {
+	return Config{}
+}
+
+// TODO

hw12_13_14_15_calendar/cmd/calendar/main.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/fixme_my_friend/hw12_13_14_15_calendar/internal/app"
+	"github.com/fixme_my_friend/hw12_13_14_15_calendar/internal/logger"
+	internalhttp "github.com/fixme_my_friend/hw12_13_14_15_calendar/internal/server/http"
+	memorystorage "github.com/fixme_my_friend/hw12_13_14_15_calendar/internal/storage/memory"
+)
+
+var configFile string
+
+func init() {
+	flag.StringVar(&configFile, "config", "/etc/calendar/config.toml", "Path to configuration file")
+}
+
+func main() {
+	flag.Parse()
+
+	if flag.Arg(0) == "version" {
+		printVersion()
+		return
+	}
+
+	config := NewConfig()
+	logg := logger.New(config.Logger.Level)
+
+	storage := memorystorage.New()
+	calendar := app.New(logg, storage)
+
+	server := internalhttp.NewServer(logg, calendar)
+
+	ctx, cancel := signal.NotifyContext(context.Background(),
+		syscall.SIGINT, syscall.SIGTERM, syscall.SIGHUP)
+	defer cancel()
+
+	go func() {
+		<-ctx.Done()
+
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
+		defer cancel()
+
+		if err := server.Stop(ctx); err != nil {
+			logg.Error("failed to stop http server: " + err.Error())
+		}
+	}()
+
+	logg.Info("calendar is running...")
+
+	if err := server.Start(ctx); err != nil {
+		logg.Error("failed to start http server: " + err.Error())
+		cancel()
+		os.Exit(1) //nolint:gocritic
+	}
+}

hw12_13_14_15_calendar/cmd/calendar/version.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+var (
+	release   = "UNKNOWN"
+	buildDate = "UNKNOWN"
+	gitHash   = "UNKNOWN"
+)
+
+func printVersion() {
+	if err := json.NewEncoder(os.Stdout).Encode(struct {
+		Release   string
+		BuildDate string
+		GitHash   string
+	}{
+		Release:   release,
+		BuildDate: buildDate,
+		GitHash:   gitHash,
+	}); err != nil {
+		fmt.Printf("error while decode version info: %v\n", err)
+	}
+}