Add file scanning and searching

files.go

@@ -0,0 +1,46 @@
+package movies
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+type FileSource struct {
+	ID    string
+	Files []string
+}
+
+func (fs *FileSource) Scan(root string) error {
+	var files []string
+	if err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if info.IsDir() {
+			return nil
+		}
+
+		files = append(files, path)
+		return nil
+	}); err != nil {
+		return fmt.Errorf("error while walking directory %q: %w", root, err)
+	}
+
+	fs.Files = files
+
+	return nil
+}
+
+func (fs *FileSource) Search(query string) []string {
+	var res []string
+	for _, path := range fs.Files {
+		if strings.Contains(strings.ToLower(path), strings.ToLower(query)) {
+			res = append(res, path)
+		}
+	}
+
+	return res
+}

files_test.go

@@ -0,0 +1,20 @@
+package movies
+
+import (
+	"fmt"
+	"os"
+	"testing"
+)
+
+func TestFileSource(t *testing.T) {
+	fs := &FileSource{ID: "dummy fs"}
+
+	if err := fs.Scan(os.Getenv("FILE_ROOT")); err != nil {
+		t.Fatal(err)
+	}
+
+	fmt.Println(len(fs.Files))
+	for _, res := range fs.Search("angie") {
+		fmt.Println(res)
+	}
+}