X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Factivity_pub.ex;h=4f7be4293332cb09bc75e86e337fe8a1589e7d62;hb=ed1eb5deea35ff2c3487ef550fad3a543a80cb32;hp=7a15661563368482806da836f73e8f14c2500c73;hpb=a17b2613795b24162e953dd457b411dddc0c902e;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/activity_pub.ex b/lib/pleroma/web/activity_pub/activity_pub.ex
index 7a1566156..4f7be4293 100644
--- a/lib/pleroma/web/activity_pub/activity_pub.ex
+++ b/lib/pleroma/web/activity_pub/activity_pub.ex
@@ -87,17 +87,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     }
     with Repo.delete(object),
          Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
-         Repo.delete_all(Activity.all_by_object_ap_id_q(id)),
          {:ok, activity} <- insert(data, local),
          :ok <- maybe_federate(activity) do
       {:ok, activity}
     end
   end
 
-  def fetch_activities_for_context(context) do
+  def fetch_activities_for_context(context, opts \\ %{}) do
     query = from activity in Activity,
       where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
       order_by: [desc: :id]
+    query = restrict_blocked(query, opts)
     Repo.all(query)
   end
 
@@ -118,8 +118,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   defp restrict_tag(query, _), do: query
 
   defp restrict_recipients(query, recipients) do
-    from activity in query,
-      where: fragment("?->'to' \\\?| ? ", activity.data, ^recipients)
+    Enum.reduce(recipients, query, fn (recipient, q) ->
+      map = %{ to: [recipient] }
+      from activity in q,
+      or_where: fragment(~s(? @> ?), activity.data, ^map)
+    end)
   end
 
   defp restrict_local(query, %{"local_only" => true}) do
@@ -153,6 +156,21 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   end
   defp restrict_favorited_by(query, _), do: query
 
+  # Only search through last 100_000 activities by default
+  defp restrict_recent(query, _) do
+    since = (Repo.aggregate(Activity, :max, :id) || 0) - 100_000
+
+    from activity in query,
+      where: activity.id > ^since
+  end
+
+  defp restrict_blocked(query, %{"blocking_user" => %User{info: info}}) do
+    blocks = info["blocks"] || []
+    from activity in query,
+      where: fragment("not (?->>'actor' = ANY(?))", activity.data, ^blocks)
+  end
+  defp restrict_blocked(query, _), do: query
+
   def fetch_activities(recipients, opts \\ %{}) do
     base_query = from activity in Activity,
       limit: 20,
@@ -167,6 +185,8 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
     |> restrict_actor(opts)
     |> restrict_type(opts)
     |> restrict_favorited_by(opts)
+    |> restrict_recent(opts)
+    |> restrict_blocked(opts)
     |> Repo.all
     |> Enum.reverse
   end