Introduce group posts

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

lib/web/views/json_ld/object_view.ex

@@ -4,24 +4,30 @@ defmodule Mobilizon.Web.JsonLD.ObjectView do
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Addresses.Address
   alias Mobilizon.Events.Event
-
+  alias Mobilizon.Posts.Post
   alias Mobilizon.Web.JsonLD.ObjectView
   alias Mobilizon.Web.MediaProxy
 
   def render("event.json", %{event: %Event{} = event}) do
-    # TODO: event.description is actually markdown!
+    organizer = %{
+      "@type" => if(event.organizer_actor.type == :Group, do: "Organization", else: "Person"),
+      "name" => Actor.display_name(event.organizer_actor)
+    }
 
     json_ld = %{
       "@context" => "https://schema.org",
       "@type" => "Event",
       "name" => event.title,
       "description" => event.description,
-      "performer" => %{
-        "@type" =>
-          if(event.organizer_actor.type == :Group, do: "PerformingGroup", else: "Person"),
-        "name" => Actor.display_name(event.organizer_actor)
-      },
-      "location" => render_one(event.physical_address, ObjectView, "place.json", as: :address)
+      # We assume for now performer == organizer
+      "performer" => organizer,
+      "organizer" => organizer,
+      "location" => render_one(event.physical_address, ObjectView, "place.json", as: :address),
+      "eventStatus" =>
+        if(event.status == :cancelled,
+          do: "https://schema.org/EventCancelled",
+          else: "https://schema.org/EventScheduled"
+        )
     }
 
     json_ld =
@@ -62,4 +68,18 @@ defmodule Mobilizon.Web.JsonLD.ObjectView do
   end
 
   def render("place.json", nil), do: %{}
+
+  def render("post.json", %{post: %Post{} = post}) do
+    %{
+      "@context" => "https://schema.org",
+      "@type" => "Article",
+      "name" => post.title,
+      "author" => %{
+        "@type" => "Organization",
+        "name" => Actor.display_name(post.attributed_to)
+      },
+      "datePublished" => post.publish_at,
+      "dateModified" => post.updated_at
+    }
+  end
 end