Move file backend into own file

backend.go

@@ -2,14 +2,7 @@ package debanator
 
 import (
 	"io"
-	"io/fs"
 	"net/http"
-	"os"
-	"path"
-	"path/filepath"
-	"strings"
-
-	log "github.com/sirupsen/logrus"
 )
 
 // A backend to search for packages in
@@ -30,49 +23,3 @@ type DebFile interface {
 	GetName() string
 }
 
-type FileBackend struct {
-	path string
-}
-
-// A deb file existing on the local filesystem
-type fsDebFile struct {
-	path string
-}
-
-func (f fsDebFile) GetReader() (ReaderAtCloser, error) {
-	return os.Open(f.path)
-}
-
-func (f fsDebFile) GetName() string {
-	_, name := filepath.Split(f.path)
-	return name
-}
-
-func NewFileBackend(path string) FileBackend {
-	return FileBackend{path}
-}
-
-func (fb FileBackend) ServeFiles(prefix string) http.Handler {
-	return http.StripPrefix(path.Join(prefix, "pool"), http.FileServer(http.Dir(fb.path)))
-}
-
-func (fb FileBackend) GetFiles() ([]DebFile, error) {
-	var debs []DebFile
-	fs.WalkDir(os.DirFS(fb.path), ".", func(dirpath string, dir fs.DirEntry, err error) error {
-		if err != nil {
-			log.WithFields(log.Fields{
-				"path":  dirpath,
-				"error": err,
-			}).Warn("Error scanning for debs")
-			return nil
-		}
-		if !dir.IsDir() && strings.HasSuffix(dir.Name(), ".deb") {
-			debs = append(debs, DebFile(fsDebFile{
-				filepath.Join(fb.path, dirpath),
-			}))
-		}
-		return nil
-	})
-	log.Infof("got files: %v", debs)
-	return debs, nil
-}

backend_file.go

@@ -0,0 +1,59 @@
+package debanator
+
+import (
+	"io/fs"
+	"net/http"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+
+	log "github.com/sirupsen/logrus"
+)
+
+// A deb file existing on the local filesystem
+type fsDebFile struct {
+	path string
+}
+
+func (f fsDebFile) GetReader() (ReaderAtCloser, error) {
+	return os.Open(f.path)
+}
+
+func (f fsDebFile) GetName() string {
+	_, name := filepath.Split(f.path)
+	return name
+}
+
+type FileBackend struct {
+	path string
+}
+
+func NewFileBackend(path string) FileBackend {
+	return FileBackend{path}
+}
+
+func (fb FileBackend) ServeFiles(prefix string) http.Handler {
+	return http.StripPrefix(path.Join(prefix, "pool"), http.FileServer(http.Dir(fb.path)))
+}
+
+func (fb FileBackend) GetFiles() ([]DebFile, error) {
+	var debs []DebFile
+	fs.WalkDir(os.DirFS(fb.path), ".", func(dirpath string, dir fs.DirEntry, err error) error {
+		if err != nil {
+			log.WithFields(log.Fields{
+				"path":  dirpath,
+				"error": err,
+			}).Warn("Error scanning for debs")
+			return nil
+		}
+		if !dir.IsDir() && strings.HasSuffix(dir.Name(), ".deb") {
+			debs = append(debs, DebFile(fsDebFile{
+				filepath.Join(fb.path, dirpath),
+			}))
+		}
+		return nil
+	})
+	log.Infof("got files: %v", debs)
+	return debs, nil
+}