updated fetch_favorites

lib/pleroma/object.ex

@@ -23,6 +23,23 @@ defmodule Pleroma.Object do
     timestamps()
   end
 
+  def with_joined_activity(query, activity_type \\ "Create", join_type \\ :inner) do
+    object_position = Map.get(query.aliases, :object, 0)
+
+    join(query, join_type, [{object, object_position}], a in Activity,
+      on:
+        fragment(
+          "COALESCE(?->'object'->>'id', ?->>'object') = (? ->> 'id') AND (?->>'type' = ?) ",
+          a.data,
+          a.data,
+          object.data,
+          a.data,
+          ^activity_type
+        ),
+      as: :object_activity
+    )
+  end
+
   def create(data) do
     Object.change(%Object{}, %{data: data})
     |> Repo.insert()

lib/pleroma/pagination.ex

@@ -17,59 +17,59 @@ defmodule Pleroma.Pagination do
 
   def page_keys, do: @page_keys
 
-  def fetch_paginated(query, params, type \\ :keyset)
+  def fetch_paginated(query, params, type \\ :keyset, table_binding \\ nil)
 
-  def fetch_paginated(query, %{"total" => true} = params, :keyset) do
+  def fetch_paginated(query, %{"total" => true} = params, :keyset, table_binding) do
     total = Repo.aggregate(query, :count, :id)
 
     %{
       total: total,
-      items: fetch_paginated(query, Map.drop(params, ["total"]), :keyset)
+      items: fetch_paginated(query, Map.drop(params, ["total"]), :keyset, table_binding)
     }
   end
 
-  def fetch_paginated(query, params, :keyset) do
+  def fetch_paginated(query, params, :keyset, table_binding) do
     options = cast_params(params)
 
     query
-    |> paginate(options, :keyset)
+    |> paginate(options, :keyset, table_binding)
     |> Repo.all()
     |> enforce_order(options)
   end
 
-  def fetch_paginated(query, %{"total" => true} = params, :offset) do
+  def fetch_paginated(query, %{"total" => true} = params, :offset, table_binding) do
     total = Repo.aggregate(query, :count, :id)
 
     %{
       total: total,
-      items: fetch_paginated(query, Map.drop(params, ["total"]), :offset)
+      items: fetch_paginated(query, Map.drop(params, ["total"]), :offset, table_binding)
     }
   end
 
-  def fetch_paginated(query, params, :offset) do
+  def fetch_paginated(query, params, :offset, table_binding) do
     options = cast_params(params)
 
     query
-    |> paginate(options, :offset)
+    |> paginate(options, :offset, table_binding)
     |> Repo.all()
   end
 
-  def paginate(query, options, method \\ :keyset)
+  def paginate(query, options, method \\ :keyset, table_binding \\ nil)
 
-  def paginate(query, options, :keyset) do
+  def paginate(query, options, :keyset, table_binding) do
     query
-    |> restrict(:min_id, options)
-    |> restrict(:since_id, options)
-    |> restrict(:max_id, options)
-    |> restrict(:order, options)
-    |> restrict(:limit, options)
+    |> restrict(:min_id, options, table_binding)
+    |> restrict(:since_id, options, table_binding)
+    |> restrict(:max_id, options, table_binding)
+    |> restrict(:order, options, table_binding)
+    |> restrict(:limit, options, table_binding)
   end
 
-  def paginate(query, options, :offset) do
+  def paginate(query, options, :offset, table_binding) do
     query
-    |> restrict(:order, options)
-    |> restrict(:offset, options)
-    |> restrict(:limit, options)
+    |> restrict(:order, options, table_binding)
+    |> restrict(:offset, options, table_binding)
+    |> restrict(:limit, options, table_binding)
   end
 
   defp cast_params(params) do
@@ -91,38 +91,46 @@ defp cast_params(params) do
     changeset.changes
   end
 
-  defp restrict(query, :min_id, %{min_id: min_id}) do
-    where(query, [q], q.id > ^min_id)
+  defp restrict(query, :min_id, %{min_id: min_id}, table_binding) do
+    where(query, [{q, table_position(query, table_binding)}], q.id > ^min_id)
   end
 
-  defp restrict(query, :since_id, %{since_id: since_id}) do
-    where(query, [q], q.id > ^since_id)
+  defp restrict(query, :since_id, %{since_id: since_id}, table_binding) do
+    where(query, [{q, table_position(query, table_binding)}], q.id > ^since_id)
   end
 
-  defp restrict(query, :max_id, %{max_id: max_id}) do
-    where(query, [q], q.id < ^max_id)
+  defp restrict(query, :max_id, %{max_id: max_id}, table_binding) do
+    where(query, [{q, table_position(query, table_binding)}], q.id < ^max_id)
   end
 
-  defp restrict(query, :order, %{min_id: _}) do
-    order_by(query, [u], fragment("? asc nulls last", u.id))
+  defp restrict(query, :order, %{min_id: _}, table_binding) do
+    order_by(
+      query,
+      [{u, table_position(query, table_binding)}],
+      fragment("? asc nulls last", u.id)
+    )
   end
 
-  defp restrict(query, :order, _options) do
-    order_by(query, [u], fragment("? desc nulls last", u.id))
+  defp restrict(query, :order, _options, table_binding) do
+    order_by(
+      query,
+      [{u, table_position(query, table_binding)}],
+      fragment("? desc nulls last", u.id)
+    )
   end
 
-  defp restrict(query, :offset, %{offset: offset}) do
+  defp restrict(query, :offset, %{offset: offset}, _table_binding) do
     offset(query, ^offset)
   end
 
-  defp restrict(query, :limit, options) do
+  defp restrict(query, :limit, options, _table_binding) do
     limit = Map.get(options, :limit, @default_limit)
 
     query
     |> limit(^limit)
   end
 
-  defp restrict(query, _, _), do: query
+  defp restrict(query, _, _, _), do: query
 
   defp enforce_order(result, %{min_id: _}) do
     result
@@ -130,4 +138,10 @@ defp enforce_order(result, %{min_id: _}) do
   end
 
   defp enforce_order(result, _), do: result
+
+  defp table_position(%Ecto.Query{} = query, binding_name) do
+    Map.get(query.aliases, binding_name, 0)
+  end
+
+  defp table_position(_, _), do: 0
 end

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -1058,40 +1058,16 @@ def fetch_activities(recipients, opts \\ %{}, pagination \\ :keyset) do
   @doc """
   Fetch favorites activities of user with order by sort adds to favorites
   """
-  @spec fetch_favourites(list(String.t()), User.t(), map(), atom()) :: list(Activity.t())
-  def fetch_favourites(recipients, user, params \\ %{}, pagination \\ :keyset) do
-    opts =
-      %{
-        "type" => "Create",
-        "favorited_by" => user.ap_id,
-        "blocking_user" => user
-      }
-      |> Map.merge(params)
-
-    recipients
-    |> fetch_activities_query(opts)
-    |> order_by_favourites(user)
-    |> Pagination.fetch_paginated(opts, pagination)
-  end
-
-  # sorts by adds to favorites
-  #
-  @spec order_by_favourites(Ecto.Query.t(), User.t()) :: Ecto.Query.t()
-  defp order_by_favourites(query, user) do
-    join(query, :inner, [activity, object], a1 in Activity,
-      on:
-        fragment(
-          "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object') AND (?->>'type' = 'Like') AND (?.actor = ?)",
-          object.data,
-          a1.data,
-          a1.data,
-          a1.data,
-          a1,
-          ^user.ap_id
-        ),
-      as: :like_activity
-    )
-    |> order_by([_, _, like_activity], desc: like_activity.updated_at)
+  @spec fetch_favourites(User.t(), map(), atom()) :: list(Activity.t())
+  def fetch_favourites(user, params \\ %{}, pagination \\ :keyset) do
+    user.ap_id
+    |> Activity.Queries.by_actor()
+    |> Activity.Queries.by_type("Like")
+    |> Activity.with_joined_object()
+    |> Object.with_joined_activity()
+    |> select([_like, object, activity], %{activity | object: object})
+    |> order_by([like, _, _], desc: like.updated_at)
+    |> Pagination.fetch_paginated(params, pagination, :object_activity)
   end
 
   defp maybe_update_cc(activities, list_memberships, %User{ap_id: user_ap_id})

lib/pleroma/web/mastodon_api/controllers/status_controller.ex

@@ -348,7 +348,6 @@ def context(%{assigns: %{user: user}} = conn, %{"id" => id}) do
   def favourites(%{assigns: %{user: user}} = conn, params) do
     activities =
       ActivityPub.fetch_favourites(
-        [],
         user,
         Map.take(params, Pleroma.Pagination.page_keys())
       )