WIP

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

lib/eventos_web/views/activity_pub/account_view.ex

@@ -0,0 +1,117 @@
+defmodule EventosWeb.ActivityPub.AccountView do
+  use EventosWeb, :view
+
+  alias EventosWeb.ActivityPub.AccountView
+  alias EventosWeb.ActivityPub.ObjectView
+  alias EventosWeb.WebFinger
+  alias Eventos.Accounts.Account
+  alias Eventos.Repo
+  alias Eventos.Service.ActivityPub
+  alias Eventos.Service.ActivityPub.Transmogrifier
+  alias Eventos.Service.ActivityPub.Utils
+  import Ecto.Query
+
+  def render("account.json", %{account: account}) do
+    {:ok, public_key} = Account.get_public_key_for_account(account)
+
+    %{
+      "id" => account.url,
+      "type" => "Person",
+      #"following" => "#{account.url}/following",
+      #"followers" => "#{account.url}/followers",
+      "inbox" => "#{account.url}/inbox",
+      "outbox" => "#{account.url}/outbox",
+      "preferredUsername" => account.username,
+      "name" => account.display_name,
+      "summary" => account.description,
+      "url" => account.url,
+      #"manuallyApprovesFollowers" => false,
+      "publicKey" => %{
+        "id" => "#{account.url}#main-key",
+        "owner" => account.url,
+        "publicKeyPem" => public_key
+      },
+      "endpoints" => %{
+        "sharedInbox" => "#{EventosWeb.Endpoint.url()}/inbox"
+      },
+#      "icon" => %{
+#        "type" => "Image",
+#        "url" => User.avatar_url(account)
+#      },
+#      "image" => %{
+#        "type" => "Image",
+#        "url" => User.banner_url(account)
+#      }
+    }
+    |> Map.merge(Utils.make_json_ld_header())
+  end
+
+  def render("outbox.json", %{account: account, page: page}) do
+    {page, no_page} = if page == 0 do
+      {1, true}
+    else
+      {page, false}
+    end
+
+     {activities, total} = ActivityPub.fetch_public_activities_for_account(account, page)
+
+    collection =
+      Enum.map(activities, fn act ->
+        {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
+        data
+      end)
+
+    iri = "#{account.url}/outbox"
+
+    page = %{
+      "id" => "#{iri}?page=#{page}",
+      "type" => "OrderedCollectionPage",
+      "partOf" => iri,
+      "totalItems" => total,
+      "orderedItems" => render_many(activities, AccountView, "activity.json", as: :activity),
+      "next" => "#{iri}?page=#{page + 1}"
+    }
+
+    if no_page do
+      %{
+        "id" => iri,
+        "type" => "OrderedCollection",
+        "totalItems" => total,
+        "first" => page
+      }
+      |> Map.merge(Utils.make_json_ld_header())
+    else
+      page |> Map.merge(Utils.make_json_ld_header())
+    end
+  end
+
+  def render("activity.json", %{activity: activity}) do
+    %{
+      "id" => activity.data.url <> "/activity",
+      "type" => "Create",
+      "actor" => activity.data.organizer_account.url,
+      "published" => Timex.now(),
+      "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+      "object" => render_one(activity.data, ObjectView, "event.json", as: :event)
+    }
+  end
+
+  def collection(collection, iri, page, total \\ nil) do
+    offset = (page - 1) * 10
+    items = Enum.slice(collection, offset, 10)
+    items = Enum.map(items, fn user -> user.ap_id end)
+    total = total || length(collection)
+
+    map = %{
+      "id" => "#{iri}?page=#{page}",
+      "type" => "OrderedCollectionPage",
+      "partOf" => iri,
+      "totalItems" => total,
+      "orderedItems" => items
+    }
+
+    if offset < total do
+      Map.put(map, "next", "#{iri}?page=#{page + 1}")
+    end
+  end
+end

lib/eventos_web/views/activity_pub/object_view.ex

@@ -0,0 +1,37 @@
+defmodule EventosWeb.ActivityPub.ObjectView do
+  use EventosWeb, :view
+  alias Eventos.Service.ActivityPub.Transmogrifier
+  @base %{
+    "@context" => [
+      "https://www.w3.org/ns/activitystreams",
+      "https://w3id.org/security/v1",
+      %{
+        "manuallyApprovesFollowers" => "as:manuallyApprovesFollowers",
+        "sensitive" => "as:sensitive",
+        "Hashtag" => "as:Hashtag",
+        "toot" => "http://joinmastodon.org/ns#",
+        "Emoji" => "toot:Emoji"
+      }
+    ]
+  }
+
+  def render("event.json", %{event: event}) do
+
+
+    event = %{
+      "type" => "Event",
+      "id" => event.url,
+      "name" => event.title,
+      "category" => %{"title" => event.category.title},
+      "content" => event.description,
+      "mediaType" => "text/markdown",
+      "published" => Timex.format!(event.inserted_at, "{ISO:Extended}"),
+      "updated" => Timex.format!(event.updated_at, "{ISO:Extended}"),
+    }
+    Map.merge(event, @base)
+  end
+
+  def render("category.json", %{category: category}) do
+    category
+  end
+end