[feature] add support for receiving federated status edits (#3597)

* add support for extracting Updated field from Statusable implementers

* add support for status edits in the database, and update status dereferencer to handle them

* remove unused AdditionalInfo{}.CreatedAt

* remove unused AdditionalEmojiInfo{}.CreatedAt

* update new mention creation to use status.UpdatedAt

* remove mention.UpdatedAt, fixes related to NewULIDFromTime() change

* add migration to remove Mention{}.UpdatedAt field

* add migration to add the StatusEdit{} table

* start adding tests, add delete function for status edits

* add more of status edit migrations, fill in more of the necessary edit delete functionality

* remove unused function

* allow generating gotosocial compatible ulid via CLI with `go run ./cmd/gen-ulid`

* add StatusEdit{} test models

* fix new statusedits sql

* use model instead of table name

* actually remove the Mention.UpdatedAt field...

* fix tests now new models are added, add more status edit DB tests

* fix panic wording

* add test for deleting status edits

* don't automatically set `updated_at` field on updated statuses

* flesh out more of the dereferencer status edit tests, ensure updated at field set on outgoing AS statuses

* remove media_attachments.updated_at column

* fix up more tests, further complete the dereferencer status edit tests

* update more status serialization tests not expecting 'updated' AS property

* gah!! json serialization tests!!

* undo some gtscontext wrapping changes

* more serialization test fixing :smiling_face_with_tear:

* more test fixing, ensure the edit.status_id field is actually set :facepalm:

* fix status edit test

* grrr linter

* add edited_at field to apimodel status

* remove the choice of paging on the timeline public filtered test (otherwise it needs updating every time you add statuses ...)

* ensure that status.updated_at always fits chronologically

* fix more serialization tests ...

* add more code comments

* fix envparsing

* update swagger file

* properly handle media description changes during status edits

* slight formatting tweak

* code comment

1 files changed, 19 insertions, 0 deletions

diff --git a/internal/ap/properties.go b/internal/ap/properties.go
index 38e58ebc0..0a2564168 100644
--- a/internal/ap/properties.go
+++ b/internal/ap/properties.go
@@ -408,6 +408,25 @@ func SetPublished(with WithPublished, published time.Time) {
 	publishProp.Set(published)
 }
 
+// GetUpdated returns the time contained in the Updated property of 'with'.
+func GetUpdated(with WithUpdated) time.Time {
+	updateProp := with.GetActivityStreamsUpdated()
+	if updateProp == nil || !updateProp.IsXMLSchemaDateTime() {
+		return time.Time{}
+	}
+	return updateProp.Get()
+}
+
+// SetUpdated sets the given time on the Updated property of 'with'.
+func SetUpdated(with WithUpdated, updated time.Time) {
+	updateProp := with.GetActivityStreamsUpdated()
+	if updateProp == nil {
+		updateProp = streams.NewActivityStreamsUpdatedProperty()
+		with.SetActivityStreamsUpdated(updateProp)
+	}
+	updateProp.Set(updated)
+}
+
 // GetEndTime returns the time contained in the EndTime property of 'with'.
 func GetEndTime(with WithEndTime) time.Time {
 	endTimeProp := with.GetActivityStreamsEndTime()