Merge branch 'release/2.1.2' into 'stable'
[akkoma] / lib / pleroma / activity.ex
index cd7a5aae9aba85848274103c9de1e95f757a78b5..97feebeaa641b1e17f8ce71e6fd4bdd3a201dfee 100644 (file)
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Activity do
@@ -12,6 +12,7 @@ defmodule Pleroma.Activity do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.ReportNote
   alias Pleroma.ThreadMute
   alias Pleroma.User
 
@@ -23,18 +24,6 @@ defmodule Pleroma.Activity do
 
   @primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
 
-  # https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
-  @mastodon_notification_types %{
-    "Create" => "mention",
-    "Follow" => "follow",
-    "Announce" => "reblog",
-    "Like" => "favourite"
-  }
-
-  @mastodon_to_ap_notification_types for {k, v} <- @mastodon_notification_types,
-                                         into: %{},
-                                         do: {v, k}
-
   schema "activities" do
     field(:data, :map)
     field(:local, :boolean, default: true)
@@ -42,11 +31,17 @@ defmodule Pleroma.Activity do
     field(:recipients, {:array, :string}, default: [])
     field(:thread_muted?, :boolean, virtual: true)
 
+    # A field that can be used if you need to join some kind of other
+    # id to order / paginate this field by
+    field(:pagination_id, :string, virtual: true)
+
     # This is a fake relation,
     # do not use outside of with_preloaded_user_actor/with_joined_user_actor
     has_one(:user_actor, User, on_delete: :nothing, foreign_key: :id)
     # This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
     has_one(:bookmark, Bookmark)
+    # This is a fake relation, do not use outside of with_preloaded_report_notes
+    has_many(:report_notes, ReportNote)
     has_many(:notifications, Notification, on_delete: :delete_all)
 
     # Attention: this is a fake relation, don't try to preload it blindly and expect it to work!
@@ -90,6 +85,17 @@ defmodule Pleroma.Activity do
     |> preload([activity, object: object], object: object)
   end
 
+  # Note: applies to fake activities (ActivityPub.Utils.get_notified_from_object/1 etc.)
+  def user_actor(%Activity{actor: nil}), do: nil
+
+  def user_actor(%Activity{} = activity) do
+    with %User{} <- activity.user_actor do
+      activity.user_actor
+    else
+      _ -> User.get_cached_by_ap_id(activity.actor)
+    end
+  end
+
   def with_joined_user_actor(query, join_type \\ :inner) do
     join(query, join_type, [activity], u in User,
       on: u.ap_id == activity.actor,
@@ -113,6 +119,16 @@ defmodule Pleroma.Activity do
 
   def with_preloaded_bookmark(query, _), do: query
 
+  def with_preloaded_report_notes(query) do
+    from([a] in query,
+      left_join: r in ReportNote,
+      on: a.id == r.activity_id,
+      preload: [report_notes: r]
+    )
+  end
+
+  def with_preloaded_report_notes(query, _), do: query
+
   def with_set_thread_muted_field(query, %User{} = user) do
     from([a] in query,
       left_join: tm in ThreadMute,
@@ -240,9 +256,10 @@ defmodule Pleroma.Activity do
   def normalize(ap_id) when is_binary(ap_id), do: get_by_ap_id_with_object(ap_id)
   def normalize(_), do: nil
 
-  def delete_by_ap_id(id) when is_binary(id) do
+  def delete_all_by_object_ap_id(id) when is_binary(id) do
     id
     |> Queries.by_object_id()
+    |> Queries.exclude_type("Delete")
     |> select([u], u)
     |> Repo.delete_all()
     |> elem(1)
@@ -254,7 +271,7 @@ defmodule Pleroma.Activity do
     |> purge_web_resp_cache()
   end
 
-  def delete_by_ap_id(_), do: nil
+  def delete_all_by_object_ap_id(_), do: nil
 
   defp purge_web_resp_cache(%Activity{} = activity) do
     %{path: path} = URI.parse(activity.data["id"])
@@ -264,16 +281,18 @@ defmodule Pleroma.Activity do
 
   defp purge_web_resp_cache(nil), do: nil
 
-  for {ap_type, type} <- @mastodon_notification_types do
-    def mastodon_notification_type(%Activity{data: %{"type" => unquote(ap_type)}}),
-      do: unquote(type)
+  def follow_accepted?(
+        %Activity{data: %{"type" => "Follow", "object" => followed_ap_id}} = activity
+      ) do
+    with %User{} = follower <- Activity.user_actor(activity),
+         %User{} = followed <- User.get_cached_by_ap_id(followed_ap_id) do
+      Pleroma.FollowingRelationship.following?(follower, followed)
+    else
+      _ -> false
+    end
   end
 
-  def mastodon_notification_type(%Activity{}), do: nil
-
-  def from_mastodon_notification_type(type) do
-    Map.get(@mastodon_to_ap_notification_types, type)
-  end
+  def follow_accepted?(_), do: false
 
   def all_by_actor_and_id(actor, status_ids \\ [])
   def all_by_actor_and_id(_actor, []), do: []
@@ -292,14 +311,19 @@ defmodule Pleroma.Activity do
     |> where([a], fragment("? ->> 'state' = 'pending'", a.data))
   end
 
+  def following_requests_for_actor(%Pleroma.User{ap_id: ap_id}) do
+    Queries.by_type("Follow")
+    |> where([a], fragment("?->>'state' = 'pending'", a.data))
+    |> where([a], a.actor == ^ap_id)
+    |> Repo.all()
+  end
+
   def restrict_deactivated_users(query) do
     deactivated_users =
-      from(u in User.Query.build(deactivated: true), select: u.ap_id)
+      from(u in User.Query.build(%{deactivated: true}), select: u.ap_id)
       |> Repo.all()
 
-    from(activity in query,
-      where: activity.actor not in ^deactivated_users
-    )
+    Activity.Queries.exclude_authors(query, deactivated_users)
   end
 
   defdelegate search(user, query, options \\ []), to: Pleroma.Activity.Search
@@ -316,4 +340,10 @@ defmodule Pleroma.Activity do
       _ -> nil
     end
   end
+
+  @spec pinned_by_actor?(Activity.t()) :: boolean()
+  def pinned_by_actor?(%Activity{} = activity) do
+    actor = user_actor(activity)
+    activity.id in actor.pinned_activities
+  end
 end