@activitypods/events 中文文档教程

Question

Events App

用于处理事件的 ActivityPods 应用程序，包括邀请和注册。

Services

• EventService
• InvitationService
• RegistrationService
• StatusService

Dependencies

• Core
• Synchronizer

Containers

• /events with the events created by the user or to whom he has been invited

Collections

附加到所有事件：

• /invitees with the list of actors who have been invited to the event
• /inviters with the list of actors who are allowed to invite to the event
• /attendees with the list of actors who are attending the event (including the organizer)

Ontology

• The ActivityStreams ontology should be used to describe the events.
• The Dublin Core Metadata ontology's creator predicate is used to find who is the creator of the event.

Handled activities

Invite to event

{
  "type": "Invite",
  "object": {
    "type": "Event"
  }
}

Emitter's side effects

• The recipients are added to the /invitees collection.
• The recipients are added to a WebACL group which can view the event and the /attendees collection.

Recipients' side effects

• The event is cached in the recipients' PODs
• Notifications are sent to the recipients

Offer to invite to event

{
  "type": "Offer",
  "object": {
    "type": "Invite",
    "object": {
      "type": "Event"
    }
  }
}

Emitter's side effects

• If the offer is sent by the event organizer, it means he wants to give invitees the right to share this event
• The recipients are added to the /inviters collection.
• The recipients are added to a WebACL group which can view the /invitees collection.

Recipients' side effects

• If the offer is sent to the organizer, it means we are an inviter and want him to invite one of our contacts
• The organizer sends an invitation to the actor specified by the inviter
• The inviter is informed his invitation has been accepted (via an Accept activity)

Join event

{
  "type": "Join",
  "object": {
    "type": "Event"
  }
}

Emitter's side effects

• None

Recipients' side effects

• The recipients are added to the /attendees collection
• A notification is sent to the organizer

Leave event

{
  "type": "Leave",
  "object": {
    "type": "Event"
  }
}

Emitter's side effects

• None

Recipients' side effects

• The recipients are removed from the /attendees collection
• A notification is sent to the organizer