From 9e7d022a06779a03e3eaaadad6cc33423f46892b Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Thu, 30 Jun 2022 12:22:10 +0200
Subject: [feature] Cleanup unattached local media (#680)

* add localUnattached db function

* add parseOlderThan util function

* add pruneunusedlocalattachments to media manager

* add unusedlocal pruning to schedule + admin call

* set number of days to keep as a const

* fix test
---
 internal/media/pruneunusedlocal_test.go | 75 +++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 internal/media/pruneunusedlocal_test.go

(limited to 'internal/media/pruneunusedlocal_test.go')

diff --git a/internal/media/pruneunusedlocal_test.go b/internal/media/pruneunusedlocal_test.go
new file mode 100644
index 000000000..5f6bfbfba
--- /dev/null
+++ b/internal/media/pruneunusedlocal_test.go
@@ -0,0 +1,75 @@
+/*
+   GoToSocial
+   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package media_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+)
+
+type PruneUnusedLocalTestSuite struct {
+	MediaStandardTestSuite
+}
+
+func (suite *PruneUnusedLocalTestSuite) TestPruneUnusedLocal() {
+	testAttachment := suite.testAttachments["local_account_1_unattached_1"]
+	suite.True(testAttachment.Cached)
+
+	totalPruned, err := suite.manager.PruneUnusedLocalAttachments(context.Background())
+	suite.NoError(err)
+	suite.Equal(1, totalPruned)
+
+	_, err = suite.db.GetAttachmentByID(context.Background(), testAttachment.ID)
+	suite.ErrorIs(err, db.ErrNoEntries)
+}
+
+func (suite *PruneUnusedLocalTestSuite) TestPruneRemoteTwice() {
+	totalPruned, err := suite.manager.PruneUnusedLocalAttachments(context.Background())
+	suite.NoError(err)
+	suite.Equal(1, totalPruned)
+
+	// final prune should prune nothing, since the first prune already happened
+	totalPrunedAgain, err := suite.manager.PruneUnusedLocalAttachments(context.Background())
+	suite.NoError(err)
+	suite.Equal(0, totalPrunedAgain)
+}
+
+func (suite *PruneUnusedLocalTestSuite) TestPruneOneNonExistent() {
+	ctx := context.Background()
+	testAttachment := suite.testAttachments["local_account_1_unattached_1"]
+
+	// Delete this attachment cached on disk
+	media, err := suite.db.GetAttachmentByID(ctx, testAttachment.ID)
+	suite.NoError(err)
+	suite.True(media.Cached)
+	err = suite.storage.Delete(media.File.Path)
+	suite.NoError(err)
+
+	// Now attempt to prune for item with db entry no file
+	totalPruned, err := suite.manager.PruneUnusedLocalAttachments(ctx)
+	suite.NoError(err)
+	suite.Equal(1, totalPruned)
+}
+
+func TestPruneUnusedLocalTestSuite(t *testing.T) {
+	suite.Run(t, &PruneUnusedLocalTestSuite{})
+}
-- 
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