Initial open source release

internal/app/langpack/seed.go

@@ -0,0 +1,56 @@
+package langpack
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// SeedDirectory 将导出的 .strings 文件导入 LangPackStore。
+// root 可直接指向 data/langpack，也可指向包含 .strings 的具体平台目录。
+func (s *Service) SeedDirectory(ctx context.Context, root string) (int, error) {
+	if s == nil || s.packs == nil || root == "" {
+		return 0, nil
+	}
+	dir := filepath.Clean(root)
+	if _, err := os.Stat(dir); err != nil {
+		if errors.Is(err, os.ErrNotExist) {
+			return 0, nil
+		}
+		return 0, fmt.Errorf("stat langpack seed dir: %w", err)
+	}
+	tdesktopDir := filepath.Join(dir, "tdesktop")
+	if info, err := os.Stat(tdesktopDir); err == nil && info.IsDir() {
+		dir = tdesktopDir
+	}
+
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return 0, fmt.Errorf("read langpack seed dir: %w", err)
+	}
+	seeded := 0
+	for _, entry := range entries {
+		if entry.IsDir() || !strings.EqualFold(filepath.Ext(entry.Name()), ".strings") {
+			continue
+		}
+		pack, err := ParseTDesktopFile(filepath.Join(dir, entry.Name()))
+		if err != nil {
+			return seeded, err
+		}
+		existing, err := s.packs.GetPack(ctx, pack.LangPack, pack.LangCode, pack.Version)
+		if err != nil {
+			return seeded, err
+		}
+		if existing.Version >= pack.Version {
+			continue
+		}
+		if err := s.packs.UpsertPack(ctx, pack); err != nil {
+			return seeded, err
+		}
+		seeded += len(pack.Strings)
+	}
+	return seeded, nil
+}