owncast/activitypub/apmodels/message.go

55 lines
1.6 KiB
Go

package apmodels
import (
"net/url"
"github.com/go-fed/activity/streams"
"github.com/go-fed/activity/streams/vocab"
)
// CreateCreateActivity will create a new Create Activity model with the provided ID and IRI.
func CreateCreateActivity(id string, localAccountIRI *url.URL) vocab.ActivityStreamsCreate {
objectID := MakeLocalIRIForResource(id)
message := MakeCreateActivity(objectID)
actorProp := streams.NewActivityStreamsActorProperty()
actorProp.AppendIRI(localAccountIRI)
message.SetActivityStreamsActor(actorProp)
return message
}
// AddImageAttachmentToNote will add the provided image URL to the provided note object.
func AddImageAttachmentToNote(note vocab.ActivityStreamsNote, image, mediaType string) {
imageURL, err := url.Parse(image)
if err != nil {
return
}
attachments := note.GetActivityStreamsAttachment()
if attachments == nil {
attachments = streams.NewActivityStreamsAttachmentProperty()
}
urlProp := streams.NewActivityStreamsUrlProperty()
urlProp.AppendIRI(imageURL)
apImage := streams.NewActivityStreamsImage()
apImage.SetActivityStreamsUrl(urlProp)
imageProp := streams.NewActivityStreamsImageProperty()
imageProp.AppendActivityStreamsImage(apImage)
imageDescription := streams.NewActivityStreamsNameProperty()
imageDescription.AppendXMLSchemaString("Live stream preview")
apImage.SetActivityStreamsName(imageDescription)
mediaTypeProperty := streams.NewActivityStreamsMediaTypeProperty()
mediaTypeProperty.Set(mediaType)
apImage.SetActivityStreamsMediaType(mediaTypeProperty)
attachments.AppendActivityStreamsImage(apImage)
note.SetActivityStreamsAttachment(attachments)
}