🗃️ Refactored Fetch method of static repository

internal/static/repository/fs/fs_static.go

@@ -46,28 +46,40 @@ func (repo *fileServerStaticRepository) Get(ctx context.Context, p string) (*dom
 	return domain.NewResource(info.ModTime(), content, p), nil
 }
 
-func (repo *fileServerStaticRepository) Fetch(ctx context.Context, dir string) (domain.Resources, int, error) {
-	targets := make([]string, 0)
-	if err := fs.WalkDir(repo.root, dir, func(path string, de fs.DirEntry, err error) error {
-		if err != nil {
-			return fmt.Errorf("received error while walking through '%s': %w", dir, err)
-		}
+func (repo *fileServerStaticRepository) Fetch(ctx context.Context, pattern string) (domain.Resources, int, error) {
+	var (
+		err     error
+		matches []string
+	)
+
+	if pattern != "" {
+		if matches, err = fs.Glob(repo.root, pattern); err != nil {
+			return nil, 0, fmt.Errorf("cannot match any static by pattern '%s': %w", pattern, err)
+		}
+	} else {
+		if err = fs.WalkDir(repo.root, ".", func(path string, d fs.DirEntry, err error) error {
+			if err != nil {
+				return fmt.Errorf("catched error while walk: %w", err)
+			}
+
+			if d.IsDir() {
+				return nil
+			}
+
+			matches = append(matches, path)
 
-		if de.IsDir() {
 			return nil
+		}); err != nil {
+			return nil, 0, fmt.Errorf("cannot walk through static directories: %w", err)
 		}
-
-		targets = append(targets, path)
-
-		return nil
-	}); err != nil {
-		return nil, 0, fmt.Errorf("cannot read directory on path '%s': %w", dir, err)
 	}
 
-	out := make(domain.Resources, len(targets))
+	out := make(domain.Resources, 0, len(matches))
 
-	for i := range targets {
-		out[i], _ = repo.Get(ctx, targets[i])
+	for i := range matches {
+		if r, err := repo.Get(ctx, matches[i]); err == nil {
+			out = append(out, r)
+		}
 	}
 
 	return out, len(out), nil