Revert "Merge branch 'streamer-refactoring' into 'develop'"
[akkoma] / lib / pleroma / notification.ex
index c7d01f63b83517c36b15779ec9a9772524d5b6d4..b7c880c51584da65c62d87e194ee6dbc3bdc1b1d 100644 (file)
@@ -4,46 +4,96 @@
 
 defmodule Pleroma.Notification do
   use Ecto.Schema
-  alias Pleroma.{User, Activity, Notification, Repo, Object}
+
+  alias Pleroma.Activity
+  alias Pleroma.Notification
+  alias Pleroma.Object
+  alias Pleroma.Pagination
+  alias Pleroma.Repo
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI.Utils
+  alias Pleroma.Web.Push
+  alias Pleroma.Web.Streamer
+
   import Ecto.Query
+  import Ecto.Changeset
+
+  @type t :: %__MODULE__{}
 
   schema "notifications" do
     field(:seen, :boolean, default: false)
-    belongs_to(:user, Pleroma.User)
-    belongs_to(:activity, Pleroma.Activity)
+    belongs_to(:user, User, type: Pleroma.FlakeId)
+    belongs_to(:activity, Activity, type: Pleroma.FlakeId)
 
     timestamps()
   end
 
-  # TODO: Make generic and unify (see activity_pub.ex)
-  defp restrict_max(query, %{"max_id" => max_id}) do
-    from(activity in query, where: activity.id < ^max_id)
+  def changeset(%Notification{} = notification, attrs) do
+    notification
+    |> cast(attrs, [:seen])
   end
 
-  defp restrict_max(query, _), do: query
+  def for_user_query(user, opts \\ []) do
+    query =
+      Notification
+      |> where(user_id: ^user.id)
+      |> where(
+        [n, a],
+        fragment(
+          "? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
+          a.actor
+        )
+      )
+      |> join(:inner, [n], activity in assoc(n, :activity))
+      |> join(:left, [n, a], object in Object,
+        on:
+          fragment(
+            "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
+            object.data,
+            a.data
+          )
+      )
+      |> preload([n, a, o], activity: {a, object: o})
+
+    if opts[:with_muted] do
+      query
+    else
+      where(query, [n, a], a.actor not in ^user.info.muted_notifications)
+      |> where([n, a], a.actor not in ^user.info.blocks)
+      |> where(
+        [n, a],
+        fragment("substring(? from '.*://([^/]*)')", a.actor) not in ^user.info.domain_blocks
+      )
+      |> join(:left, [n, a], tm in Pleroma.ThreadMute,
+        on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data)
+      )
+      |> where([n, a, o, tm], is_nil(tm.user_id))
+    end
+  end
 
-  defp restrict_since(query, %{"since_id" => since_id}) do
-    from(activity in query, where: activity.id > ^since_id)
+  def for_user(user, opts \\ %{}) do
+    user
+    |> for_user_query(opts)
+    |> Pagination.fetch_paginated(opts)
   end
 
-  defp restrict_since(query, _), do: query
+  @doc """
+  Returns notifications for user received since given date.
 
-  def for_user(user, opts \\ %{}) do
-    query =
-      from(
-        n in Notification,
-        where: n.user_id == ^user.id,
-        order_by: [desc: n.id],
-        preload: [:activity],
-        limit: 20
-      )
+  ## Examples
 
-    query =
-      query
-      |> restrict_since(opts)
-      |> restrict_max(opts)
+      iex> Pleroma.Notification.for_user_since(%Pleroma.User{}, ~N[2019-04-13 11:22:33])
+      [%Pleroma.Notification{}, %Pleroma.Notification{}]
 
-    Repo.all(query)
+      iex> Pleroma.Notification.for_user_since(%Pleroma.User{}, ~N[2019-04-15 11:22:33])
+      []
+  """
+  @spec for_user_since(Pleroma.User.t(), NaiveDateTime.t()) :: [t()]
+  def for_user_since(user, date) do
+    from(n in for_user_query(user),
+      where: n.updated_at > ^date
+    )
+    |> Repo.all()
   end
 
   def set_read_up_to(%{id: user_id} = _user, id) do
@@ -52,12 +102,41 @@ defmodule Pleroma.Notification do
         n in Notification,
         where: n.user_id == ^user_id,
         where: n.id <= ^id,
+        where: n.seen == false,
         update: [
-          set: [seen: true]
-        ]
+          set: [
+            seen: true,
+            updated_at: ^NaiveDateTime.utc_now()
+          ]
+        ],
+        # Ideally we would preload object and activities here
+        # but Ecto does not support preloads in update_all
+        select: n.id
       )
 
-    Repo.update_all(query, [])
+    {_, notification_ids} = Repo.update_all(query, [])
+
+    Notification
+    |> where([n], n.id in ^notification_ids)
+    |> join(:inner, [n], activity in assoc(n, :activity))
+    |> join(:left, [n, a], object in Object,
+      on:
+        fragment(
+          "(?->>'id') = COALESCE((? -> 'object'::text) ->> 'id'::text)",
+          object.data,
+          a.data
+        )
+    )
+    |> preload([n, a, o], activity: {a, object: o})
+    |> Repo.all()
+  end
+
+  def read_one(%User{} = user, notification_id) do
+    with {:ok, %Notification{} = notification} <- get(user, notification_id) do
+      notification
+      |> changeset(%{seen: true})
+      |> Repo.update()
+    end
   end
 
   def get(%{id: user_id} = _user, id) do
@@ -65,7 +144,8 @@ defmodule Pleroma.Notification do
       from(
         n in Notification,
         where: n.id == ^id,
-        preload: [:activity]
+        join: activity in assoc(n, :activity),
+        preload: [activity: activity]
       )
 
     notification = Repo.one(query)
@@ -84,6 +164,14 @@ defmodule Pleroma.Notification do
     |> Repo.delete_all()
   end
 
+  def destroy_multiple(%{id: user_id} = _user, ids) do
+    from(n in Notification,
+      where: n.id in ^ids,
+      where: n.user_id == ^user_id
+    )
+    |> Repo.delete_all()
+  end
+
   def dismiss(%{id: user_id} = _user, id) do
     notification = Repo.get(Notification, id)
 
@@ -96,10 +184,21 @@ defmodule Pleroma.Notification do
     end
   end
 
-  def create_notifications(%Activity{id: _, data: %{"to" => _, "type" => type}} = activity)
-      when type in ["Create", "Like", "Announce", "Follow"] do
-    users = get_notified_from_activity(activity)
+  def create_notifications(%Activity{data: %{"to" => _, "type" => "Create"}} = activity) do
+    object = Object.normalize(activity)
 
+    unless object && object.data["type"] == "Answer" do
+      users = get_notified_from_activity(activity)
+      notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
+      {:ok, notifications}
+    else
+      {:ok, []}
+    end
+  end
+
+  def create_notifications(%Activity{data: %{"to" => _, "type" => type}} = activity)
+      when type in ["Like", "Announce", "Follow"] do
+    users = get_notified_from_activity(activity)
     notifications = Enum.map(users, fn user -> create_notification(activity, user) end)
     {:ok, notifications}
   end
@@ -108,17 +207,12 @@ defmodule Pleroma.Notification do
 
   # TODO move to sql, too.
   def create_notification(%Activity{} = activity, %User{} = user) do
-    unless User.blocks?(user, %{ap_id: activity.data["actor"]}) or
-             user.ap_id == activity.data["actor"] or
-             (activity.data["type"] == "Follow" and
-                Enum.any?(Notification.for_user(user), fn notif ->
-                  notif.activity.data["type"] == "Follow" and
-                    notif.activity.data["actor"] == activity.data["actor"]
-                end)) do
+    unless skip?(activity, user) do
       notification = %Notification{user_id: user.id, activity: activity}
       {:ok, notification} = Repo.insert(notification)
-      Pleroma.Web.Streamer.stream("user", notification)
-      Pleroma.Web.Push.send(notification)
+      Streamer.stream("user", notification)
+      Streamer.stream("user:notification", notification)
+      Push.send(notification)
       notification
     end
   end
@@ -132,8 +226,9 @@ defmodule Pleroma.Notification do
       when type in ["Create", "Like", "Announce", "Follow"] do
     recipients =
       []
-      |> maybe_notify_to_recipients(activity)
-      |> maybe_notify_mentioned_recipients(activity)
+      |> Utils.maybe_notify_to_recipients(activity)
+      |> Utils.maybe_notify_mentioned_recipients(activity)
+      |> Utils.maybe_notify_subscribers(activity)
       |> Enum.uniq()
 
     User.get_users_from_set(recipients, local_only)
@@ -141,45 +236,69 @@ defmodule Pleroma.Notification do
 
   def get_notified_from_activity(_, _local_only), do: []
 
-  defp maybe_notify_to_recipients(
-         recipients,
-         %Activity{data: %{"to" => to, "type" => _type}} = _activity
-       ) do
-    recipients ++ to
+  @spec skip?(Activity.t(), User.t()) :: boolean()
+  def skip?(activity, user) do
+    [
+      :self,
+      :followers,
+      :follows,
+      :non_followers,
+      :non_follows,
+      :recently_followed
+    ]
+    |> Enum.any?(&skip?(&1, activity, user))
   end
 
-  defp maybe_notify_mentioned_recipients(
-         recipients,
-         %Activity{data: %{"to" => _to, "type" => type} = data} = _activity
-       )
-       when type == "Create" do
-    object = Object.normalize(data["object"])
-
-    object_data =
-      cond do
-        !is_nil(object) ->
-          object.data
+  @spec skip?(atom(), Activity.t(), User.t()) :: boolean()
+  def skip?(:self, activity, user) do
+    activity.data["actor"] == user.ap_id
+  end
 
-        is_map(data["object"]) ->
-          data["object"]
+  def skip?(
+        :followers,
+        activity,
+        %{info: %{notification_settings: %{"followers" => false}}} = user
+      ) do
+    actor = activity.data["actor"]
+    follower = User.get_cached_by_ap_id(actor)
+    User.following?(follower, user)
+  end
 
-        true ->
-          %{}
-      end
+  def skip?(
+        :non_followers,
+        activity,
+        %{info: %{notification_settings: %{"non_followers" => false}}} = user
+      ) do
+    actor = activity.data["actor"]
+    follower = User.get_cached_by_ap_id(actor)
+    !User.following?(follower, user)
+  end
 
-    tagged_mentions = maybe_extract_mentions(object_data)
+  def skip?(:follows, activity, %{info: %{notification_settings: %{"follows" => false}}} = user) do
+    actor = activity.data["actor"]
+    followed = User.get_cached_by_ap_id(actor)
+    User.following?(user, followed)
+  end
 
-    recipients ++ tagged_mentions
+  def skip?(
+        :non_follows,
+        activity,
+        %{info: %{notification_settings: %{"non_follows" => false}}} = user
+      ) do
+    actor = activity.data["actor"]
+    followed = User.get_cached_by_ap_id(actor)
+    !User.following?(user, followed)
   end
 
-  defp maybe_notify_mentioned_recipients(recipients, _), do: recipients
+  def skip?(:recently_followed, %{data: %{"type" => "Follow"}} = activity, user) do
+    actor = activity.data["actor"]
 
-  defp maybe_extract_mentions(%{"tag" => tag}) do
-    tag
-    |> Enum.filter(fn x -> is_map(x) end)
-    |> Enum.filter(fn x -> x["type"] == "Mention" end)
-    |> Enum.map(fn x -> x["href"] end)
+    Notification.for_user(user)
+    |> Enum.any?(fn
+      %{activity: %{data: %{"type" => "Follow", "actor" => ^actor}}} -> true
+      _ -> false
+    end)
   end
 
-  defp maybe_extract_mentions(_), do: []
+  def skip?(_, _, _), do: false
 end