feat: Add option to link an external registration provider for events

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/federation/activity_stream/converter/event.ex

@@ -78,6 +78,7 @@ defmodule Mobilizon.Federation.ActivityStream.Converter.Event do
           visibility: visibility,
           join_options: Map.get(object, "joinMode", "free"),
           local: is_local?(object["id"]),
+          external_participation_url: object["externalParticipationUrl"],
           options: options,
           metadata: metadata,
           status: object |> Map.get("ical:status", "CONFIRMED") |> String.downcase(),
@@ -129,6 +130,7 @@ defmodule Mobilizon.Federation.ActivityStream.Converter.Event do
       "mediaType" => "text/html",
       "startTime" => event.begins_on |> shift_tz(event.options.timezone) |> date_to_string(),
       "joinMode" => to_string(event.join_options),
+      "externalParticipationUrl" => event.external_participation_url,
       "endTime" => event.ends_on |> shift_tz(event.options.timezone) |> date_to_string(),
       "tag" => event.tags |> build_tags(),
       "maximumAttendeeCapacity" => event.options.maximum_attendee_capacity,

lib/graphql/schema/event.ex

@@ -35,6 +35,7 @@ defmodule Mobilizon.GraphQL.Schema.EventType do
     field(:status, :event_status, description: "Status of the event")
     field(:visibility, :event_visibility, description: "The event's visibility")
     field(:join_options, :event_join_options, description: "The event's visibility")
+    field(:external_participation_url, :string, description: "External URL for participation")
 
     field(:picture, :media,
       description: "The event's picture",
@@ -130,6 +131,7 @@ defmodule Mobilizon.GraphQL.Schema.EventType do
     value(:free, description: "Anyone can join and is automatically accepted")
     value(:restricted, description: "Manual acceptation")
     value(:invite, description: "Participants must be invited")
+    value(:external, description: "External registration")
   end
 
   @desc "The list of possible options for the event's status"
@@ -398,6 +400,8 @@ defmodule Mobilizon.GraphQL.Schema.EventType do
         description: "The event's options to join"
       )
 
+      arg(:external_participation_url, :string, description: "External URL for participation")
+
       arg(:tags, list_of(:string),
         default_value: [],
         description: "The list of tags associated to the event"
@@ -469,6 +473,8 @@ defmodule Mobilizon.GraphQL.Schema.EventType do
         description: "The event's options to join"
       )
 
+      arg(:external_participation_url, :string, description: "External URL for participation")
+
       arg(:tags, list_of(:string), description: "The list of tags associated to the event")
 
       arg(:picture, :media_input,

lib/mobilizon/events/event.ex

@@ -47,6 +47,7 @@ defmodule Mobilizon.Events.Event do
           draft: boolean,
           visibility: atom(),
           join_options: atom(),
+          external_participation_url: String.t(),
           publish_at: DateTime.t() | nil,
           uuid: Ecto.UUID.t(),
           online_address: String.t() | nil,
@@ -81,6 +82,7 @@ defmodule Mobilizon.Events.Event do
     :local,
     :visibility,
     :join_options,
+    :external_participation_url,
     :publish_at,
     :online_address,
     :phone_address,
@@ -105,6 +107,7 @@ defmodule Mobilizon.Events.Event do
     field(:draft, :boolean, default: false)
     field(:visibility, EventVisibility, default: :public)
     field(:join_options, JoinOptions, default: :free)
+    field(:external_participation_url, :string)
     field(:publish_at, :utc_datetime)
     field(:uuid, Ecto.UUID, default: Ecto.UUID.generate())
     field(:online_address, :string)

lib/mobilizon/events/events.ex

@@ -46,7 +46,8 @@ defmodule Mobilizon.Events do
   defenum(JoinOptions, :join_options, [
     :free,
     :restricted,
-    :invite
+    :invite,
+    :external
   ])
 
   defenum(EventStatus, :event_status, [