[feature] Clean up/uncache remote media (#407)

* Add whereNotEmptyAndNotNull

* Add GetRemoteOlderThanDays

* Add GetRemoteOlderThanDays

* Add PruneRemote to Manager interface

* Start implementing PruneRemote

* add new attachment + status to tests

* fix up and test GetRemoteOlderThan

* fix bad import

* PruneRemote: return number pruned

* add Cached column to mediaattachment

* update + test pruneRemote

* update mediaTest

* use Cached column

* upstep bun to latest version

* embed structs in mediaAttachment

* migrate mediaAttachment to new format

* don't default cached to true

* select only remote media

* update db dependencies

* step bun back to last working version

* update pruneRemote to use Cached field

* fix storage path of test attachments

* add recache logic to manager

* fix trimmed aspect ratio

* test prune and recache

* return errwithcode

* tidy up different paths for emoji vs attachment

* fix incorrect thumbnail type being stored

* expose TransportController to media processor

* implement tee-ing recached content

* add thoughts of dog to test fedi attachments

* test get remote files

* add comment on PruneRemote

* add postData cleanup to recache

* test thumbnail fetching

* add incredible diagram

* go mod tidy

* buffer pipes for recache streaming

* test for client stops reading after 1kb

* add media-remote-cache-days to config

* add cron package

* wrap logrus so it's available to cron

* start and stop cron jobs gracefully

1 files changed, 15 insertions, 0 deletions

diff --git a/internal/media/util.go b/internal/media/util.go
index 248d5fb19..f3cd1b986 100644
--- a/internal/media/util.go
+++ b/internal/media/util.go
@@ -23,6 +23,7 @@ import (
 	"fmt"
 
 	"github.com/h2non/filetype"
+	"github.com/sirupsen/logrus"
 )
 
 // parseContentType parses the MIME content type from a file, returning it as a string in the form (eg., "image/jpeg").
@@ -103,3 +104,17 @@ func ParseMediaSize(s string) (Size, error) {
 	}
 	return "", fmt.Errorf("%s not a recognized MediaSize", s)
 }
+
+// logrusWrapper is just a util for passing the logrus logger into the cron logging system.
+type logrusWrapper struct {
+}
+
+// Info logs routine messages about cron's operation.
+func (l *logrusWrapper) Info(msg string, keysAndValues ...interface{}) {
+	logrus.Info("media manager cron logger: ", msg, keysAndValues)
+}
+
+// Error logs an error condition.
+func (l *logrusWrapper) Error(err error, msg string, keysAndValues ...interface{}) {
+	logrus.Error("media manager cron logger: ", err, msg, keysAndValues)
+}