Timeline manager (#40)

* start messing about with timeline manager

* i have no idea what i'm doing

* i continue to not know what i'm doing

* it's coming along

* bit more progress

* update timeline with new posts as they come in

* lint and fmt

* Select accounts where empty string

* restructure a bunch, get unfaves working

* moving stuff around

* federate status deletes properly

* mention regex better but not 100% there

* fix regex

* some more hacking away at the timeline code phew

* fix up some little things

* i can't even

* more timeline stuff

* move to ulid

* fiddley

* some lil fixes for kibou compatibility

* timelines working pretty alright!

* tidy + lint

internal/gtsmodel/tag.go

@@ -23,13 +23,13 @@ import "time"
 // Tag represents a hashtag for gathering public statuses together
 type Tag struct {
 	// id of this tag in the database
-	ID string `pg:",unique,type:uuid,default:gen_random_uuid(),pk,notnull"`
+	ID string `pg:",unique,type:CHAR(26),pk,notnull"`
 	// Href of this tag, eg https://example.org/tags/somehashtag
 	URL string
 	// name of this tag -- the tag without the hash part
 	Name string `pg:",unique,pk,notnull"`
 	// Which account ID is the first one we saw using this tag?
-	FirstSeenFromAccountID string
+	FirstSeenFromAccountID string `pg:"type:CHAR(26)"`
 	// when was this tag created
 	CreatedAt time.Time `pg:"type:timestamp,notnull,default:now()"`
 	// when was this tag last updated