Merge branch 'fix/do-not-embed-first-pages-in-collections' into 'develop'

Don't embed the first page in inboxes/outboxes and refactor the views to follow View/Controller pattern

See merge request pleroma/pleroma!1716

3 files changed, 73 insertions, 80 deletions

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 1cf8b6151..a97afa665 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -834,7 +834,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
 
   defp restrict_muted_reblogs(query, _), do: query
 
-  defp exclude_poll_votes(query, %{"include_poll_votes" => "true"}), do: query
+  defp exclude_poll_votes(query, %{"include_poll_votes" => true}), do: query
 
   defp exclude_poll_votes(query, _) do
     if has_named_binding?(query, :object) do
diff --git a/lib/pleroma/web/activity_pub/activity_pub_controller.ex b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
index 9eb86106f..8112f6642 100644
--- a/lib/pleroma/web/activity_pub/activity_pub_controller.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub_controller.ex
@@ -231,13 +231,43 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     end
   end
 
-  def outbox(conn, %{"nickname" => nickname} = params) do
+  def outbox(conn, %{"nickname" => nickname, "page" => page?} = params)
+      when page? in [true, "true"] do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
          {:ok, user} <- User.ensure_keys_present(user) do
+      activities =
+        if params["max_id"] do
+          ActivityPub.fetch_user_activities(user, nil, %{
+            "max_id" => params["max_id"],
+            # This is a hack because postgres generates inefficient queries when filtering by
+            # 'Answer', poll votes will be hidden by the visibility filter in this case anyway
+            "include_poll_votes" => true,
+            "limit" => 10
+          })
+        else
+          ActivityPub.fetch_user_activities(user, nil, %{
+            "limit" => 10,
+            "include_poll_votes" => true
+          })
+        end
+
       conn
       |> put_resp_content_type("application/activity+json")
       |> put_view(UserView)
-      |> render("outbox.json", %{user: user, max_id: params["max_id"]})
+      |> render("activity_collection_page.json", %{
+        activities: activities,
+        iri: "#{user.ap_id}/outbox"
+      })
+    end
+  end
+
+  def outbox(conn, %{"nickname" => nickname}) do
+    with %User{} = user <- User.get_cached_by_nickname(nickname),
+         {:ok, user} <- User.ensure_keys_present(user) do
+      conn
+      |> put_resp_content_type("application/activity+json")
+      |> put_view(UserView)
+      |> render("activity_collection.json", %{iri: "#{user.ap_id}/outbox"})
     end
   end
 
@@ -315,12 +345,37 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
   def read_inbox(
         %{assigns: %{user: %{nickname: nickname} = user}} = conn,
-        %{"nickname" => nickname} = params
-      ) do
+        %{"nickname" => nickname, "page" => page?} = params
+      )
+      when page? in [true, "true"] do
+    activities =
+      if params["max_id"] do
+        ActivityPub.fetch_activities([user.ap_id | user.following], %{
+          "max_id" => params["max_id"],
+          "limit" => 10
+        })
+      else
+        ActivityPub.fetch_activities([user.ap_id | user.following], %{"limit" => 10})
+      end
+
     conn
     |> put_resp_content_type("application/activity+json")
     |> put_view(UserView)
-    |> render("inbox.json", user: user, max_id: params["max_id"])
+    |> render("activity_collection_page.json", %{
+      activities: activities,
+      iri: "#{user.ap_id}/inbox"
+    })
+  end
+
+  def read_inbox(%{assigns: %{user: %{nickname: nickname} = user}} = conn, %{
+        "nickname" => nickname
+      }) do
+    with {:ok, user} <- User.ensure_keys_present(user) do
+      conn
+      |> put_resp_content_type("application/activity+json")
+      |> put_view(UserView)
+      |> render("activity_collection.json", %{iri: "#{user.ap_id}/inbox"})
+    end
   end
 
   def read_inbox(%{assigns: %{user: nil}} = conn, %{"nickname" => nickname}) do
diff --git a/lib/pleroma/web/activity_pub/views/user_view.ex b/lib/pleroma/web/activity_pub/views/user_view.ex
index 352d856fa..4e37be5db 100644
--- a/lib/pleroma/web/activity_pub/views/user_view.ex
+++ b/lib/pleroma/web/activity_pub/views/user_view.ex
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.ActivityPub.UserView do
   alias Pleroma.Keys
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.Endpoint
@@ -210,20 +209,16 @@ defmodule Pleroma.Web.ActivityPub.UserView do
     |> Map.merge(Utils.make_json_ld_header())
   end
 
-  def render("outbox.json", %{user: user, max_id: max_qid}) do
-    params = %{
-      "limit" => "10"
+  def render("activity_collection.json", %{iri: iri}) do
+    %{
+      "id" => iri,
+      "type" => "OrderedCollection",
+      "first" => "#{iri}?page=true"
     }
+    |> Map.merge(Utils.make_json_ld_header())
+  end
 
-    params =
-      if max_qid != nil do
-        Map.put(params, "max_id", max_qid)
-      else
-        params
-      end
-
-    activities = ActivityPub.fetch_user_activities(user, nil, params)
-
+  def render("activity_collection_page.json", %{activities: activities, iri: iri}) do
     # this is sorted chronologically, so first activity is the newest (max)
     {max_id, min_id, collection} =
       if length(activities) > 0 do
@@ -243,71 +238,14 @@ defmodule Pleroma.Web.ActivityPub.UserView do
         }
       end
 
-    iri = "#{user.ap_id}/outbox"
-
-    page = %{
-      "id" => "#{iri}?max_id=#{max_id}",
-      "type" => "OrderedCollectionPage",
-      "partOf" => iri,
-      "orderedItems" => collection,
-      "next" => "#{iri}?max_id=#{min_id}"
-    }
-
-    if max_qid == nil do
-      %{
-        "id" => iri,
-        "type" => "OrderedCollection",
-        "first" => page
-      }
-      |> Map.merge(Utils.make_json_ld_header())
-    else
-      page |> Map.merge(Utils.make_json_ld_header())
-    end
-  end
-
-  def render("inbox.json", %{user: user, max_id: max_qid}) do
-    params = %{
-      "limit" => "10"
-    }
-
-    params =
-      if max_qid != nil do
-        Map.put(params, "max_id", max_qid)
-      else
-        params
-      end
-
-    activities = ActivityPub.fetch_activities([user.ap_id | user.following], params)
-
-    min_id = Enum.at(Enum.reverse(activities), 0).id
-    max_id = Enum.at(activities, 0).id
-
-    collection =
-      Enum.map(activities, fn act ->
-        {:ok, data} = Transmogrifier.prepare_outgoing(act.data)
-        data
-      end)
-
-    iri = "#{user.ap_id}/inbox"
-
-    page = %{
-      "id" => "#{iri}?max_id=#{max_id}",
+    %{
+      "id" => "#{iri}?max_id=#{max_id}&page=true",
       "type" => "OrderedCollectionPage",
       "partOf" => iri,
       "orderedItems" => collection,
-      "next" => "#{iri}?max_id=#{min_id}"
+      "next" => "#{iri}?max_id=#{min_id}&page=true"
     }
-
-    if max_qid == nil do
-      %{
-        "id" => iri,
-        "type" => "OrderedCollection",
-        "first" => page
-      }
-      |> Map.merge(Utils.make_json_ld_header())
-    else
-      page |> Map.merge(Utils.make_json_ld_header())
-    end
+    |> Map.merge(Utils.make_json_ld_header())
   end
 
   def collection(collection, iri, page, show_items \\ true, total \\ nil) do