refactor for stronger RawPduId type

implement standard traits for PduCount

enable serde for arrayvec

typedef various shortid's

pducount simplifications

split parts of pdu_metadata service to core/pdu and api/relations

remove some yields; improve var names/syntax

tweak types for limit timeline limit arguments

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/server/send_join.rs

@@ -156,12 +156,12 @@ async fn create_join_event(
 		.lock(room_id)
 		.await;
 
-	let pdu_id: Vec<u8> = services
+	let pdu_id = services
 		.rooms
 		.event_handler
 		.handle_incoming_pdu(&origin, room_id, &event_id, value.clone(), true)
 		.await?
-		.ok_or_else(|| Error::BadRequest(ErrorKind::InvalidParam, "Could not accept as timeline event."))?;
+		.ok_or_else(|| err!(Request(InvalidParam("Could not accept as timeline event."))))?;
 
 	drop(mutex_lock);