receipt.go

package event

import (
	"encoding/json"

	"github.com/diamondburned/gotrix/matrix"
)

var _ Event = &ReceiptEvent{}

// ReceiptEvent is an event where the read marker is updated.
type ReceiptEvent struct {
	EventInfo

	Events map[matrix.EventID]Receipt `json:"content"`
	RoomID matrix.RoomID              `json:"room_id"`
}

// Receipt is an aggregate of users that have acknowledged a certain event.
type Receipt struct {
	Read map[matrix.UserID]struct {
		Timestamp int `json:"ts"`
	} `json:"m.read"`
}

func parseReceiptEvent(r RawEvent, content json.RawMessage) (Event, error) {
	var v ReceiptEvent
	err := json.Unmarshal(r, &v)
	if err != nil {
		return nil, err
	}

	v.Raw = r
	return &v, nil
}