pulling

cmd/cli/commands/pull/pull.go

@@ -0,0 +1,88 @@
+package pull
+
+import (
+	"cloudsave/pkg/game"
+	"cloudsave/pkg/remote/client"
+	"cloudsave/pkg/tools/archive"
+	"cloudsave/pkg/tools/prompt/credentials"
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/google/subcommands"
+)
+
+type (
+	PullCmd struct {
+	}
+)
+
+func (*PullCmd) Name() string     { return "pull" }
+func (*PullCmd) Synopsis() string { return "pull a game save from the remote" }
+func (*PullCmd) Usage() string {
+	return `list:
+  Pull a game save from the remote
+`
+}
+
+func (p *PullCmd) SetFlags(f *flag.FlagSet) {
+
+}
+
+func (p *PullCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
+	if f.NArg() != 3 {
+		fmt.Fprintln(os.Stderr, "error: missing arguments")
+		return subcommands.ExitUsageError
+	}
+
+	url := f.Arg(0)
+	gameID := f.Arg(1)
+	path := f.Arg(2)
+
+	username, password, err := credentials.Read()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to read std output: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	cli := client.New(url, username, password)
+
+	if err := cli.Ping(); err != nil {
+		fmt.Fprintf(os.Stderr, "failed to connect to the remote: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	archivePath := filepath.Join(game.DatastorePath(), gameID, "data.tar.gz")
+
+	m, err := cli.Metadata(gameID)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to get metadata: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	err = game.Register(m, path)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to register local metadata: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	if err := cli.Pull(gameID, archivePath); err != nil {
+		fmt.Fprintf(os.Stderr, "failed to pull from the remote: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	fi, err := os.OpenFile(archivePath, os.O_RDONLY, 0)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "failed to open archive: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	if err := archive.Untar(fi, path); err != nil {
+		fmt.Fprintf(os.Stderr, "failed to unarchive file: %s", err)
+		return subcommands.ExitFailure
+	}
+
+	return subcommands.ExitSuccess
+}

cmd/cli/commands/version/version.go

@@ -2,9 +2,12 @@ package version
 
 import (
 	"cloudsave/pkg/constants"
+	"cloudsave/pkg/remote/client"
+	"cloudsave/pkg/tools/prompt/credentials"
 	"context"
 	"flag"
 	"fmt"
+	"os"
 	"runtime"
 	"strconv"
 
@@ -13,6 +16,7 @@ import (
 
 type (
 	VersionCmd struct {
+		remote bool
 	}
 )
 
@@ -25,14 +29,60 @@ func (*VersionCmd) Usage() string {
 }
 
 func (p *VersionCmd) SetFlags(f *flag.FlagSet) {
+	f.BoolVar(&p.remote, "a", false, "get a remote version information")
 }
 
 func (p *VersionCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
+	if p.remote {
+		if f.NArg() != 1 {
+			fmt.Fprintln(os.Stderr, "error: missing remote url")
+			return subcommands.ExitUsageError
+		}
+
+		username, password, err := credentials.Read()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "failed to read std output: %s", err)
+			return subcommands.ExitFailure
+		}
+
+		if err := remote(f.Arg(0), username, password); err != nil {
+			fmt.Fprintln(os.Stderr, "error:", err)
+			return subcommands.ExitFailure
+		}
+		return subcommands.ExitSuccess
+	}
+	local()
+	return subcommands.ExitSuccess
+}
+
+func local() {
 	fmt.Println("Client: CloudSave cli")
 	fmt.Println(" Version:       " + constants.Version)
 	fmt.Println(" API version:   " + strconv.Itoa(constants.ApiVersion))
 	fmt.Println(" Go version:    " + runtime.Version())
 	fmt.Println(" OS/Arch:       " + runtime.GOOS + "/" + runtime.GOARCH)
-
-	return subcommands.ExitSuccess
+}
+
+func remote(url, username, password string) error {
+	cli := client.New(url, username, password)
+
+	if err := cli.Ping(); err != nil {
+		return fmt.Errorf("failed to connect to the remote: %w", err)
+	}
+
+	info, err := cli.Version()
+	if err != nil {
+		return fmt.Errorf("failed to load games from remote: %w", err)
+	}
+
+	fmt.Println()
+	fmt.Println("Remote:", url)
+	fmt.Println("---")
+	fmt.Println("Server:")
+	fmt.Println(" Version:       " + info.Version)
+	fmt.Println(" API version:   " + strconv.Itoa(info.APIVersion))
+	fmt.Println(" Go version:    " + info.GoVersion)
+	fmt.Println(" OS/Arch:       " + info.OSName + "/" + info.OSArchitecture)
+
+	return nil
 }