3 files changed, 132 insertions, 0 deletions
diff --git a/cmd/cmd.go b/cmd/cmd.go
new file mode 100644
index 0000000..86a1b92
--- /dev/null
+++ b/cmd/cmd.go
@@ -0,0 +1,74 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"os/signal"
+	"time"
+
+	"github.com/tidwall/buntdb"
+	"github.com/urfave/cli/v2"
+	"golang.org/x/sync/errgroup"
+)
+
+func runCmd(cCtx *cli.Context) error {
+	ctx, err := initCmd(cCtx)
+	if err != nil {
+		return err
+	}
+
+	db, err := buntdb.Open(ctx.Value("database").(string))
+	if err != nil {
+		return err
+	}
+	defer db.Close()
+
+	ctx, stop := signal.NotifyContext(ctx, os.Interrupt)
+	defer stop()
+
+	test := new(errgroup.Group)
+	test.SetLimit(3)
+	for n := 1; n < 10; n++ {
+		test.Go(func() error {
+			select {
+			case <-ctx.Done():
+				return nil
+			default:
+				fmt.Println("test")
+				time.Sleep(3 * time.Second)
+				return nil
+			}
+		})
+	}
+	_ = test.Wait()
+	fmt.Println("reached")
+	return cCtx.Err()
+}
+
+func start() {
+	app := &cli.App{
+		Name:        "reencoder",
+		Usage:       "reencodes and stores info",
+		UsageText:   "reencoder /path/to/folder",
+		Description: "indexes files, checks for encoder and reencodes",
+		Args:        true,
+		ArgsUsage:   "specify amusic links to download",
+		Flags: []cli.Flag{
+			&cli.PathFlag{
+				Name:    "path",
+				Usage:   "Path to folder with files to reencode",
+				Value:   ".",
+				Aliases: []string{"p"},
+			},
+			&cli.PathFlag{
+				Name:    "database",
+				Usage:   "Path to database",
+				Aliases: []string{"d"},
+			},
+		},
+		Action: runCmd,
+	}
+	if err := app.Run(os.Args); err != nil {
+		panic(err.Error())
+	}
+}
diff --git a/cmd/init.go b/cmd/init.go
new file mode 100644
index 0000000..836a04a
--- /dev/null
+++ b/cmd/init.go
@@ -0,0 +1,53 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"os"
+	"path/filepath"
+	"runtime"
+
+	"github.com/urfave/cli/v2"
+)
+
+func getLocalStorage() string {
+	switch runtime.GOOS {
+	case "windows":
+		return os.Getenv("APPDATA")
+	case "linux":
+		home, _ := os.UserHomeDir()
+		return filepath.Join(home, ".local", "share")
+	case "darwin":
+		home, _ := os.UserHomeDir()
+		return filepath.Join(home, "Library", "Application Support")
+	default:
+		return ""
+	}
+}
+
+func getDb(cCtx *cli.Context) (context.Context, error) {
+	if cCtx.Path("database") == "" {
+		localFolder := getLocalStorage()
+		if localFolder == "" {
+			return context.WithValue(cCtx.Context, "database", ""), errors.New("failed to locate application data folder")
+		}
+
+		return context.WithValue(cCtx.Context, "database", filepath.Join(localFolder, "reencoder.db")), nil
+	}
+	if _, err := os.Stat(cCtx.Path("database")); err != nil {
+		return context.WithValue(cCtx.Context, "database", ""), err
+	}
+	return context.WithValue(cCtx.Context, "database", cCtx.Path("database")), nil
+}
+
+func initCmd(cCtx *cli.Context) (context.Context, error) {
+	if _, err := os.Stat(cCtx.Path("path")); err != nil {
+		return nil, err
+	}
+
+	ctx, err := getDb(cCtx)
+	if err != nil {
+		return nil, err
+	}
+	return context.WithValue(ctx, "path", cCtx.Path("path")), nil
+}
diff --git a/cmd/main.go b/cmd/main.go
new file mode 100644
index 0000000..6d4c482
--- /dev/null
+++ b/cmd/main.go
@@ -0,0 +1,5 @@
+package main
+
+func main() {
+	start()
+}