(Feat): Initial Commit

internal/util/command/command.go

@@ -0,0 +1,76 @@
+package command
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"allaboutapps.dev/aw/go-starter/internal/api"
+	"allaboutapps.dev/aw/go-starter/internal/config"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+)
+
+const (
+	LogKeyCmdExecutionID = "cmdExecutionId"
+	shutdownTimeout      = 30 * time.Second
+)
+
+func WithServer(ctx context.Context, config config.Server, handler func(ctx context.Context, s *api.Server) error) error {
+	ctx = log.With().Str(LogKeyCmdExecutionID, uuid.New().String()).Logger().WithContext(ctx)
+
+	zerolog.TimeFieldFormat = time.RFC3339Nano
+	zerolog.SetGlobalLevel(config.Logger.Level)
+	if config.Logger.PrettyPrintConsole {
+		log.Logger = log.Output(zerolog.NewConsoleWriter(func(w *zerolog.ConsoleWriter) {
+			w.TimeFormat = "15:04:05"
+		}))
+	}
+
+	s, err := api.InitNewServer(config)
+	if err != nil {
+		log.Fatal().Err(err).Msg("Failed to initialize server")
+	}
+
+	start := s.Clock.Now()
+
+	err = handler(ctx, s)
+
+	elapsed := time.Since(start)
+	log.Info().Dur("duration", elapsed).Msg("Command execution finished")
+
+	if err != nil {
+		log.Error().Err(err).Msg("Command failed")
+		return err
+	}
+
+	shutdownCtx, cancel := context.WithTimeout(context.Background(), shutdownTimeout)
+	defer cancel()
+	if errs := s.Shutdown(shutdownCtx); len(errs) > 0 {
+		log.Error().Errs("shutdownErrors", errs).Msg("Failed to gracefully shut down server")
+		return errors.Join(errs...)
+	}
+
+	return nil
+}
+
+func NewSubcommandGroup(subcommand string, subcommands ...*cobra.Command) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   fmt.Sprintf("%s <subcommand>", subcommand),
+		Short: fmt.Sprintf("%s related subcommands", subcommand),
+		RunE: func(cmd *cobra.Command, _ []string) error {
+			if err := cmd.Help(); err != nil {
+				return fmt.Errorf("failed to print help: %w", err)
+			}
+
+			return nil
+		},
+	}
+
+	cmd.AddCommand(subcommands...)
+
+	return cmd
+}