fix: ignore expired artifacts for quota calculation (#7976)

- Expired artifacts are kept in the database but the artifact has been deleted from the storage. Ignore them for the quota calculation.
- Added unit test.

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7976
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Reviewed-by: Otto <otto@codeberg.org>
Co-authored-by: Gusted <postmaster@gusted.xyz>
Co-committed-by: Gusted <postmaster@gusted.xyz>

models/quota/main_test.go

@@ -0,0 +1,19 @@
+// Copyright 2025 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package quota
+
+import (
+	"testing"
+
+	"forgejo.org/models/unittest"
+
+	_ "forgejo.org/models"
+	_ "forgejo.org/models/actions"
+	_ "forgejo.org/models/activities"
+	_ "forgejo.org/models/forgefed"
+)
+
+func TestMain(m *testing.M) {
+	unittest.MainTest(m)
+}

models/quota/used.go

@@ -131,7 +131,8 @@ func createQueryFor(ctx context.Context, userID int64, q string) db.Engine {
 	case "artifacts":
 		session = session.
 			Table("action_artifact").
-			Join("INNER", "`repository`", "`action_artifact`.repo_id = `repository`.id")
+			Join("INNER", "`repository`", "`action_artifact`.repo_id = `repository`.id").
+			Where("`action_artifact`.status != ?", action_model.ArtifactStatusExpired)
 	case "packages":
 		session = session.
 			Table("package_version").

models/quota/used_test.go

@@ -0,0 +1,23 @@
+// Copyright 2025 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package quota
+
+import (
+	"testing"
+
+	"forgejo.org/models/unittest"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetUsedForUser(t *testing.T) {
+	defer unittest.OverrideFixtures("models/fixtures/TestGetUsedForUser/")()
+	require.NoError(t, unittest.PrepareTestDatabase())
+
+	used, err := GetUsedForUser(t.Context(), 5)
+	require.NoError(t, err)
+
+	assert.EqualValues(t, 4096, used.Size.Assets.Artifacts)
+}