Files
cloudsave/cmd/cli/commands/sync/sync.go
2025-07-26 12:51:12 +02:00

143 lines
3.2 KiB
Go

package sync
import (
"cloudsave/pkg/game"
"cloudsave/pkg/remote"
"cloudsave/pkg/remote/client"
"cloudsave/pkg/tools/prompt/credentials"
"context"
"flag"
"fmt"
"log/slog"
"os"
"path/filepath"
"github.com/google/subcommands"
)
type (
SyncCmd struct {
}
)
func (*SyncCmd) Name() string { return "sync" }
func (*SyncCmd) Synopsis() string { return "list all game registered" }
func (*SyncCmd) Usage() string {
return `add:
List all game registered
`
}
func (p *SyncCmd) SetFlags(f *flag.FlagSet) {
}
func (p *SyncCmd) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
remotes, err := remote.All()
if err != nil {
fmt.Fprintln(os.Stderr, "error: failed to load datastore:", err)
return subcommands.ExitFailure
}
if len(remotes) == 0 {
fmt.Println("nothing to do: no remote found")
return subcommands.ExitSuccess
}
username, password, err := credentials.Read()
if err != nil {
fmt.Fprintln(os.Stderr, "error: failed to read std output:", err)
return subcommands.ExitFailure
}
for _, r := range remotes {
m, err := game.One(r.GameID)
if err != nil {
fmt.Fprintln(os.Stderr, "error: cannot get metadata for this game: %w", err)
return subcommands.ExitFailure
}
client := client.New(r.URL, username, password)
if !client.Ping() {
slog.Warn("remote is unavailable", "url", r.URL)
continue
}
hlocal, err := game.Hash(r.GameID)
if err != nil {
slog.Error(err.Error())
continue
}
hremote, err := client.Hash(r.GameID)
if err != nil {
fmt.Fprintln(os.Stderr, "error: failed to get the file hash from the remote:", err)
continue
}
vlocal, err := game.Version(r.GameID)
if err != nil {
slog.Error(err.Error())
continue
}
vremote, err := client.Version(r.GameID)
if err != nil {
fmt.Fprintln(os.Stderr, "error: failed to get the file version from the remote:", err)
continue
}
if hlocal == hremote {
if vlocal != vremote {
slog.Debug("version is not the same, but the hash is equal. Updating local database")
if err := game.SetVersion(r.GameID, vremote); err != nil {
fmt.Fprintln(os.Stderr, "error: failed to synchronize version number:", err)
continue
}
}
fmt.Println("already up-to-date")
continue
}
if vlocal > vremote {
if err := push(r.GameID, m, client); err != nil {
fmt.Fprintln(os.Stderr, "failed to push:", err)
return subcommands.ExitFailure
}
continue
}
if vlocal < vremote {
if err := push(r.GameID, m, client); err != nil {
fmt.Fprintln(os.Stderr, "failed to push:", err)
return subcommands.ExitFailure
}
if err := game.SetVersion(r.GameID, vremote); err != nil {
fmt.Fprintln(os.Stderr, "error: failed to synchronize version number:", err)
continue
}
continue
}
if vlocal == vremote {
fmt.Println("conflict")
continue
}
}
return subcommands.ExitSuccess
}
func push(gameID string, m game.Metadata, cli *client.Client) error {
archivePath := filepath.Join(game.DatastorePath(), gameID, "data.tar.gz")
return cli.Push(gameID, archivePath, m)
}
func pull(gameID string, cli *client.Client) error {
archivePath := filepath.Join(game.DatastorePath(), gameID, "data.tar.gz")
return cli.Pull(gameID, archivePath)
}