修复共享链接无法被连带删除

store/db/mysql/memo_share.go

@@ -116,6 +116,9 @@ func (d *DB) DeleteMemoShare(ctx context.Context, delete *store.DeleteMemoShare)
 	if delete.UID != nil {
 		where, args = append(where, "`uid` = ?"), append(args, *delete.UID)
 	}
+	if delete.MemoID != nil {
+		where, args = append(where, "`memo_id` = ?"), append(args, *delete.MemoID)
+	}
 	_, err := d.db.ExecContext(ctx, "DELETE FROM `memo_share` WHERE "+strings.Join(where, " AND "), args...)
 	return err
 }

store/db/postgres/memo_share.go

@@ -137,6 +137,9 @@ func (d *DB) DeleteMemoShare(ctx context.Context, delete *store.DeleteMemoShare)
 	if delete.UID != nil {
 		where, args = append(where, "uid = "+placeholder(len(args)+1)), append(args, *delete.UID)
 	}
+	if delete.MemoID != nil {
+		where, args = append(where, "memo_id = "+placeholder(len(args)+1)), append(args, *delete.MemoID)
+	}
 	_, err := d.db.ExecContext(ctx, "DELETE FROM memo_share WHERE "+strings.Join(where, " AND "), args...)
 	return err
 }

store/db/sqlite/memo_share.go

@@ -139,6 +139,9 @@ func (d *DB) DeleteMemoShare(ctx context.Context, delete *store.DeleteMemoShare)
 	if delete.UID != nil {
 		where, args = append(where, "`uid` = ?"), append(args, *delete.UID)
 	}
+	if delete.MemoID != nil {
+		where, args = append(where, "`memo_id` = ?"), append(args, *delete.MemoID)
+	}
 	_, err := d.db.ExecContext(ctx, "DELETE FROM `memo_share` WHERE "+strings.Join(where, " AND "), args...)
 	return err
 }

store/memo.go

@@ -145,6 +145,11 @@ func (s *Store) DeleteMemo(ctx context.Context, delete *DeleteMemo) error {
 	if err := s.driver.DeleteMemoRelation(ctx, &DeleteMemoRelation{RelatedMemoID: &delete.ID}); err != nil {
 		return err
 	}
+	// Clean up share links for this memo. SQLite runs with foreign keys disabled,
+	// so it cannot rely on ON DELETE CASCADE for memo_share rows.
+	if err := s.driver.DeleteMemoShare(ctx, &DeleteMemoShare{MemoID: &delete.ID}); err != nil {
+		return err
+	}
 	// Clean up attachments linked to this memo.
 	attachments, err := s.ListAttachments(ctx, &FindAttachment{MemoID: &delete.ID})
 	if err != nil {

store/memo_share.go

@@ -22,8 +22,9 @@ type FindMemoShare struct {
 
 // DeleteMemoShare identifies a share grant to remove.
 type DeleteMemoShare struct {
-	ID  *int32
-	UID *string
+	ID     *int32
+	UID    *string
+	MemoID *int32
 }
 
 // CreateMemoShare creates a new share grant.

store/test/memo_test.go

@@ -112,10 +112,35 @@ func TestDeleteMemoStore(t *testing.T) {
 	memo, err := ts.CreateMemo(ctx, memoCreate)
 	require.NoError(t, err)
 	require.Equal(t, memoCreate.Content, memo.Content)
+	otherMemo, err := ts.CreateMemo(ctx, &store.Memo{
+		UID:        "test-other-memo",
+		CreatorID:  user.ID,
+		Content:    "other test content",
+		Visibility: store.Public,
+	})
+	require.NoError(t, err)
+	share, err := ts.CreateMemoShare(ctx, &store.MemoShare{
+		UID:       "test-delete-memo-share",
+		MemoID:    memo.ID,
+		CreatorID: user.ID,
+	})
+	require.NoError(t, err)
+	keptShare, err := ts.CreateMemoShare(ctx, &store.MemoShare{
+		UID:       "test-keep-memo-share",
+		MemoID:    otherMemo.ID,
+		CreatorID: user.ID,
+	})
+	require.NoError(t, err)
 	err = ts.DeleteMemo(ctx, &store.DeleteMemo{
 		ID: memo.ID,
 	})
 	require.NoError(t, err)
+	deletedShare, err := ts.GetMemoShare(ctx, &store.FindMemoShare{ID: &share.ID})
+	require.NoError(t, err)
+	require.Nil(t, deletedShare)
+	keptShareAfterDelete, err := ts.GetMemoShare(ctx, &store.FindMemoShare{ID: &keptShare.ID})
+	require.NoError(t, err)
+	require.NotNil(t, keptShareAfterDelete)
 	ts.Close()
 }