From dd26ff3d5f762a946fe3bafef9ea3ae6d47526cf Mon Sep 17 00:00:00 2001
From: yourok <8yourok8@mail.ru>
Date: Sun, 27 Aug 2023 21:46:20 +0300
Subject: [PATCH] fix nil piece

---
 server/torr/storage/torrstor/cache.go     |  2 +-
 server/torr/storage/torrstor/piecefake.go | 33 +++++++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 server/torr/storage/torrstor/piecefake.go

diff --git a/server/torr/storage/torrstor/cache.go b/server/torr/storage/torrstor/cache.go
index 3074b31..efe861d 100644
--- a/server/torr/storage/torrstor/cache.go
+++ b/server/torr/storage/torrstor/cache.go
@@ -83,7 +83,7 @@ func (c *Cache) Piece(m metainfo.Piece) storage.PieceImpl {
 	if val, ok := c.pieces[m.Index()]; ok {
 		return val
 	}
-	return nil
+	return &PieceFake{}
 }
 
 func (c *Cache) Close() error {
diff --git a/server/torr/storage/torrstor/piecefake.go b/server/torr/storage/torrstor/piecefake.go
new file mode 100644
index 0000000..6434bb2
--- /dev/null
+++ b/server/torr/storage/torrstor/piecefake.go
@@ -0,0 +1,33 @@
+package torrstor
+
+import (
+	"errors"
+	"github.com/anacrolix/torrent/storage"
+)
+
+type PieceFake struct{}
+
+func (PieceFake) ReadAt(p []byte, off int64) (n int, err error) {
+	err = errors.New("fake")
+	return
+}
+
+func (PieceFake) WriteAt(p []byte, off int64) (n int, err error) {
+	err = errors.New("fake")
+	return
+}
+
+func (PieceFake) MarkComplete() error {
+	return errors.New("fake")
+}
+
+func (PieceFake) MarkNotComplete() error {
+	return errors.New("fake")
+}
+
+func (PieceFake) Completion() storage.Completion {
+	return storage.Completion{
+		Complete: false,
+		Ok:       true,
+	}
+}