first alpha version cli

cmd/cli/commands/list/list.go

@@ -0,0 +1,45 @@
+package list
+
+import (
+	"cloudsave/pkg/game"
+	"context"
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/google/subcommands"
+)
+
+type (
+	ListCmd struct {
+		name string
+	}
+)
+
+func (*ListCmd) Name() string     { return "list" }
+func (*ListCmd) Synopsis() string { return "list all game registered" }
+func (*ListCmd) Usage() string {
+	return `add:
+  List all game registered
+`
+}
+
+func (p *ListCmd) SetFlags(f *flag.FlagSet) {
+	f.StringVar(&p.name, "name", "", "Override the name of the game")
+}
+
+func (p *ListCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
+	datastore, err := game.All()
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "error: failed to load datastore:", err)
+		return subcommands.ExitFailure
+	}
+
+	fmt.Println("ID | NAME | PATH")
+	fmt.Println("-- | ---- | ----")
+	for _, metadata := range datastore {
+		fmt.Println(metadata.ID, "|", metadata.Name, "|", metadata.Path)
+	}
+
+	return subcommands.ExitSuccess
+}