[feature] Media cleanup endpoint (#560)

Adds an admin endpoint to trigger a remote media cleanup.

Fixed #348

Signed-off-by: Sashanoraa <sasha@noraa.gay>

internal/api/client/admin/mediacleanup_test.go

@@ -0,0 +1,114 @@
+/*
+   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 admin_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/suite"
+	"github.com/superseriousbusiness/gotosocial/internal/api/client/admin"
+)
+
+type MediaCleanupTestSuite struct {
+	AdminStandardTestSuite
+}
+
+func (suite *MediaCleanupTestSuite) TestMediaCleanup() {
+	testAttachment := suite.testAttachments["remote_account_1_status_1_attachment_2"]
+	suite.True(testAttachment.Cached)
+
+	// set up the request
+	recorder := httptest.NewRecorder()
+	ctx := suite.newContext(recorder, http.MethodPost, []byte("{\"remote_cache_days\": 1}"), admin.EmojiPath, "application/json")
+
+	// call the handler
+	suite.adminModule.MediaCleanupPOSTHandler(ctx)
+
+	// we should have OK because our request was valid
+	suite.Equal(http.StatusOK, recorder.Code)
+
+	// Wait for async task to finish
+	time.Sleep(1 * time.Second)
+
+	// Get media we prunes
+	prunedAttachment, err := suite.db.GetAttachmentByID(context.Background(), testAttachment.ID)
+	suite.NoError(err)
+
+	// the media should no longer be cached
+	suite.False(prunedAttachment.Cached)
+}
+
+func (suite *MediaCleanupTestSuite) TestMediaCleanupNoArg() {
+	testAttachment := suite.testAttachments["remote_account_1_status_1_attachment_2"]
+	suite.True(testAttachment.Cached)
+	println("TIME: ", testAttachment.CreatedAt.String())
+
+	// set up the request
+	recorder := httptest.NewRecorder()
+	ctx := suite.newContext(recorder, http.MethodPost, []byte("{}"), admin.EmojiPath, "application/json")
+
+	// call the handler
+	suite.adminModule.MediaCleanupPOSTHandler(ctx)
+
+	// we should have OK because our request was valid
+	suite.Equal(http.StatusOK, recorder.Code)
+
+	// Wait for async task to finish
+	time.Sleep(1 * time.Second)
+
+	// Get media we prunes
+	prunedAttachment, err := suite.db.GetAttachmentByID(context.Background(), testAttachment.ID)
+	suite.NoError(err)
+
+	// the media should no longer be cached
+	suite.True(prunedAttachment.Cached)
+}
+
+func (suite *MediaCleanupTestSuite) TestMediaCleanupNotOldEnough() {
+	testAttachment := suite.testAttachments["remote_account_1_status_1_attachment_2"]
+	suite.True(testAttachment.Cached)
+
+	// set up the request
+	recorder := httptest.NewRecorder()
+	ctx := suite.newContext(recorder, http.MethodPost, []byte("{\"remote_cache_days\": 3}"), admin.EmojiPath, "application/json")
+
+	// call the handler
+	suite.adminModule.MediaCleanupPOSTHandler(ctx)
+
+	// we should have OK because our request was valid
+	suite.Equal(http.StatusOK, recorder.Code)
+
+	// Wait for async task to finish
+	time.Sleep(1 * time.Second)
+
+	// Get media we prunes
+	prunedAttachment, err := suite.db.GetAttachmentByID(context.Background(), testAttachment.ID)
+	suite.NoError(err)
+
+	// the media should still be cached
+	suite.True(prunedAttachment.Cached)
+}
+
+func TestMediaCleanupTestSuite(t *testing.T) {
+	suite.Run(t, &MediaCleanupTestSuite{})
+}