Separate Subscription Notifications from regular Notifications

lib/pleroma/notification.ex

@@ -228,7 +228,6 @@ def get_notified_from_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)

lib/pleroma/subscription_notification.ex

@@ -0,0 +1,266 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.SubscriptionNotification do
+  use Ecto.Schema
+
+  alias Pleroma.Activity
+  alias Pleroma.Object
+  alias Pleroma.Pagination
+  alias Pleroma.Repo
+  alias Pleroma.SubscriptionNotification
+  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 "subscription_notifications" do
+    belongs_to(:user, User, type: Pleroma.FlakeId)
+    belongs_to(:activity, Activity, type: Pleroma.FlakeId)
+
+    timestamps()
+  end
+
+  def changeset(%SubscriptionNotification{} = notification, attrs) do
+    cast(notification, attrs, [])
+  end
+
+  def for_user_query(user, opts \\ []) do
+    query =
+      SubscriptionNotification
+      |> 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
+
+  def for_user(user, opts \\ %{}) do
+    user
+    |> for_user_query(opts)
+    |> Pagination.fetch_paginated(opts)
+  end
+
+  @doc """
+  Returns notifications for user received since given date.
+
+  ## Examples
+
+      iex> Pleroma.SubscriptionNotification.for_user_since(%Pleroma.User{}, ~N[2019-04-13 11:22:33])
+      [%Pleroma.SubscriptionNotification{}, %Pleroma.SubscriptionNotification{}]
+
+      iex> Pleroma.SubscriptionNotification.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 clear_up_to(%{id: user_id} = _user, id) do
+    from(
+      n in SubscriptionNotification,
+      where: n.user_id == ^user_id,
+      where: n.id <= ^id
+    )
+    |> Repo.delete_all([])
+  end
+
+  def get(%{id: user_id} = _user, id) do
+    query =
+      from(
+        n in SubscriptionNotification,
+        where: n.id == ^id,
+        join: activity in assoc(n, :activity),
+        preload: [activity: activity]
+      )
+
+    notification = Repo.one(query)
+
+    case notification do
+      %{user_id: ^user_id} ->
+        {:ok, notification}
+
+      _ ->
+        {:error, "Cannot get notification"}
+    end
+  end
+
+  def clear(user) do
+    from(n in SubscriptionNotification, where: n.user_id == ^user.id)
+    |> Repo.delete_all()
+  end
+
+  def destroy_multiple(%{id: user_id} = _user, ids) do
+    from(n in SubscriptionNotification,
+      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(SubscriptionNotification, id)
+
+    case notification do
+      %{user_id: ^user_id} ->
+        Repo.delete(notification)
+
+      _ ->
+        {:error, "Cannot dismiss notification"}
+    end
+  end
+
+  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
+
+  def create_notifications(_), do: {:ok, []}
+
+  # TODO move to sql, too.
+  def create_notification(%Activity{} = activity, %User{} = user) do
+    unless skip?(activity, user) do
+      notification = %SubscriptionNotification{user_id: user.id, activity: activity}
+      {:ok, notification} = Repo.insert(notification)
+      Streamer.stream("user", notification)
+      Streamer.stream("user:subscription_notification", notification)
+      Push.send(notification)
+      notification
+    end
+  end
+
+  def get_notified_from_activity(activity, local_only \\ true)
+
+  def get_notified_from_activity(
+        %Activity{data: %{"to" => _, "type" => type} = _data} = activity,
+        local_only
+      )
+      when type in ["Create", "Like", "Announce", "Follow"] do
+    recipients =
+      []
+      |> Utils.maybe_notify_subscribers(activity)
+      |> Enum.uniq()
+
+    User.get_users_from_set(recipients, local_only)
+  end
+
+  def get_notified_from_activity(_, _local_only), do: []
+
+  @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
+
+  @spec skip?(atom(), Activity.t(), User.t()) :: boolean()
+  def skip?(:self, activity, user) do
+    activity.data["actor"] == user.ap_id
+  end
+
+  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
+
+  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
+
+  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
+
+  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
+
+  def skip?(:recently_followed, %{data: %{"type" => "Follow"}} = activity, user) do
+    actor = activity.data["actor"]
+
+    SubscriptionNotification.for_user(user)
+    |> Enum.any?(fn
+      %{activity: %{data: %{"type" => "Follow", "actor" => ^actor}}} -> true
+      _ -> false
+    end)
+  end
+
+  def skip?(_, _, _), do: false
+end

lib/pleroma/web/activity_pub/activity_pub.ex

@@ -12,6 +12,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPub do
   alias Pleroma.Object.Fetcher
   alias Pleroma.Pagination
   alias Pleroma.Repo
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.Upload
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.MRF
@@ -148,6 +149,7 @@ def insert(map, local \\ true, fake \\ false, bypass_actor_check \\ false) when
       PleromaJobQueue.enqueue(:background, Pleroma.Web.RichMedia.Helpers, [:fetch, activity])
 
       Notification.create_notifications(activity)
+      SubscriptionNotification.create_notifications(activity)
 
       participations =
         activity

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

@@ -23,6 +23,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Repo
   alias Pleroma.ScheduledActivity
   alias Pleroma.Stats
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.User
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
@@ -39,6 +40,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.Web.MastodonAPI.ReportView
   alias Pleroma.Web.MastodonAPI.ScheduledActivityView
   alias Pleroma.Web.MastodonAPI.StatusView
+  alias Pleroma.Web.MastodonAPI.SubscriptionNotificationView
   alias Pleroma.Web.MediaProxy
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Authorization
@@ -725,6 +727,28 @@ def notifications(%{assigns: %{user: user}} = conn, params) do
     |> render("index.json", %{notifications: notifications, for: user})
   end
 
+  def subscription_notifications(%{assigns: %{user: user}} = conn, params) do
+    notifications = MastodonAPI.get_subscription_notifications(user, params)
+
+    conn
+    |> add_link_headers(:subscription_notifications, notifications)
+    |> put_view(SubscriptionNotificationView)
+    |> render("index.json", %{notifications: notifications, for: user})
+  end
+
+  def get_subscription_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
+    with {:ok, notification} <- SubscriptionNotification.get(user, id) do
+      conn
+      |> put_view(SubscriptionNotificationView)
+      |> render("show.json", %{subscription_notification: notification, for: user})
+    else
+      {:error, reason} ->
+        conn
+        |> put_status(:forbidden)
+        |> json(%{"error" => reason})
+    end
+  end
+
   def get_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
     with {:ok, notification} <- Notification.get(user, id) do
       conn
@@ -743,6 +767,11 @@ def clear_notifications(%{assigns: %{user: user}} = conn, _params) do
     json(conn, %{})
   end
 
+  def clear_subscription_notifications(%{assigns: %{user: user}} = conn, _params) do
+    SubscriptionNotification.clear(user)
+    json(conn, %{})
+  end
+
   def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
     with {:ok, _notif} <- Notification.dismiss(user, id) do
       json(conn, %{})
@@ -754,11 +783,30 @@ def dismiss_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _para
     end
   end
 
+  def dismiss_subscription_notification(%{assigns: %{user: user}} = conn, %{"id" => id} = _params) do
+    with {:ok, _notif} <- SubscriptionNotification.dismiss(user, id) do
+      json(conn, %{})
+    else
+      {:error, reason} ->
+        conn
+        |> put_status(:forbidden)
+        |> json(%{"error" => reason})
+    end
+  end
+
   def destroy_multiple(%{assigns: %{user: user}} = conn, %{"ids" => ids} = _params) do
     Notification.destroy_multiple(user, ids)
     json(conn, %{})
   end
 
+  def destroy_multiple_subscription_notifications(
+        %{assigns: %{user: user}} = conn,
+        %{"ids" => ids} = _params
+      ) do
+    SubscriptionNotification.destroy_multiple(user, ids)
+    json(conn, %{})
+  end
+
   def relationships(%{assigns: %{user: user}} = conn, %{"id" => id}) do
     id = List.wrap(id)
     q = from(u in User, where: u.id in ^id)

lib/pleroma/web/mastodon_api/mastodon_api.ex

@@ -10,6 +10,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
   alias Pleroma.Notification
   alias Pleroma.Pagination
   alias Pleroma.ScheduledActivity
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.User
   alias Pleroma.Web.CommonAPI
 
@@ -62,6 +63,15 @@ def get_notifications(user, params \\ %{}) do
     |> Pagination.fetch_paginated(params)
   end
 
+  def get_subscription_notifications(user, params \\ %{}) do
+    options = cast_params(params)
+
+    user
+    |> SubscriptionNotification.for_user_query(options)
+    |> restrict(:exclude_types, options)
+    |> Pagination.fetch_paginated(params)
+  end
+
   def get_scheduled_activities(user, params \\ %{}) do
     user
     |> ScheduledActivity.for_user_query()

lib/pleroma/web/mastodon_api/views/subscription_notification_view.ex

@@ -0,0 +1,61 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.SubscriptionNotificationView do
+  use Pleroma.Web, :view
+
+  alias Pleroma.Activity
+  # alias Pleroma.SubscriptionNotification
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.MastodonAPI.AccountView
+  alias Pleroma.Web.MastodonAPI.SubscriptionNotificationView
+  alias Pleroma.Web.MastodonAPI.StatusView
+
+  def render("index.json", %{notifications: notifications, for: user}) do
+    safe_render_many(notifications, SubscriptionNotificationView, "show.json", %{for: user})
+  end
+
+  def render("show.json", %{
+        subscription_notification: %{activity: activity} = notification,
+        for: user
+      }) do
+    actor = User.get_cached_by_ap_id(activity.data["actor"])
+    parent_activity = Activity.get_create_by_object_ap_id(activity.data["object"])
+    mastodon_type = Activity.mastodon_notification_type(activity)
+
+    response = %{
+      id: to_string(notification.id),
+      type: mastodon_type,
+      created_at: CommonAPI.Utils.to_masto_date(notification.inserted_at),
+      account: AccountView.render("account.json", %{user: actor, for: user})
+    }
+
+    case mastodon_type do
+      "mention" ->
+        response
+        |> Map.merge(%{
+          status: StatusView.render("status.json", %{activity: activity, for: user})
+        })
+
+      "favourite" ->
+        response
+        |> Map.merge(%{
+          status: StatusView.render("status.json", %{activity: parent_activity, for: user})
+        })
+
+      "reblog" ->
+        response
+        |> Map.merge(%{
+          status: StatusView.render("status.json", %{activity: parent_activity, for: user})
+        })
+
+      "follow" ->
+        response
+
+      _ ->
+        nil
+    end
+  end
+end

lib/pleroma/web/pleroma_api/pleroma_api_controller.ex

@@ -9,6 +9,7 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
 
   alias Pleroma.Conversation.Participation
   alias Pleroma.Notification
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.MastodonAPI.ConversationView
   alias Pleroma.Web.MastodonAPI.NotificationView
@@ -95,4 +96,29 @@ def read_notification(%{assigns: %{user: user}} = conn, %{"max_id" => max_id}) d
       |> render("index.json", %{notifications: notifications, for: user})
     end
   end
+
+  def delete_subscription_notification(%{assigns: %{user: user}} = conn, %{
+        "id" => notification_id
+      }) do
+    with {:ok, notification} <- SubscriptionNotification.dismiss(user, notification_id) do
+      conn
+      |> put_view(NotificationView)
+      |> render("show.json", %{notification: notification, for: user})
+    else
+      {:error, message} ->
+        conn
+        |> put_status(:bad_request)
+        |> json(%{"error" => message})
+    end
+  end
+
+  def read_subscription_notification(%{assigns: %{user: user}} = conn, %{"max_id" => max_id}) do
+    with notifications <- SubscriptionNotification.clear_up_to(user, max_id) do
+      notifications = Enum.take(notifications, 80)
+
+      conn
+      |> put_view(NotificationView)
+      |> render("index.json", %{notifications: notifications, for: user})
+    end
+  end
 end

lib/pleroma/web/push/impl.ex

@@ -9,6 +9,7 @@ defmodule Pleroma.Web.Push.Impl do
   alias Pleroma.Notification
   alias Pleroma.Object
   alias Pleroma.Repo
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.User
   alias Pleroma.Web.Metadata.Utils
   alias Pleroma.Web.Push.Subscription
@@ -19,7 +20,7 @@ defmodule Pleroma.Web.Push.Impl do
   @types ["Create", "Follow", "Announce", "Like"]
 
   @doc "Performs sending notifications for user subscriptions"
-  @spec perform(Notification.t()) :: list(any) | :error
+  @spec perform(Notification.t() | SubscriptionNotification.t()) :: list(any) | :error
   def perform(
         %{
           activity: %{data: %{"type" => activity_type}, id: activity_id} = activity,

lib/pleroma/web/router.ex

@@ -300,11 +300,39 @@ defmodule Pleroma.Web.Router do
       get("/bookmarks", MastodonAPIController, :bookmarks)
 
       post("/notifications/clear", MastodonAPIController, :clear_notifications)
+
+      post(
+        "/notifications/subscription/clear",
+        MastodonAPIController,
+        :clear_subscription_notifications
+      )
+
       post("/notifications/dismiss", MastodonAPIController, :dismiss_notification)
+
+      post(
+        "/notifications/subscription/dismiss",
+        MastodonAPIController,
+        :dismiss_subscription_notification
+      )
+
       get("/notifications", MastodonAPIController, :notifications)
+      get("/notifications/subscription", MastodonAPIController, :subscription_notifications)
       get("/notifications/:id", MastodonAPIController, :get_notification)
+
+      get(
+        "/notifications/subscription/:id",
+        MastodonAPIController,
+        :get_subscription_notification
+      )
+
       delete("/notifications/destroy_multiple", MastodonAPIController, :destroy_multiple)
 
+      delete(
+        "/notifications/subscription/destroy_multiple",
+        MastodonAPIController,
+        :destroy_multiple_subscription_notifications
+      )
+
       get("/scheduled_statuses", MastodonAPIController, :scheduled_statuses)
       get("/scheduled_statuses/:id", MastodonAPIController, :show_scheduled_status)
 

lib/pleroma/web/streamer.ex

@@ -10,6 +10,7 @@ defmodule Pleroma.Web.Streamer do
   alias Pleroma.Conversation.Participation
   alias Pleroma.Notification
   alias Pleroma.Object
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Visibility
@@ -208,10 +209,17 @@ def represent_conversation(%Participation{} = participation) do
     |> Jason.encode!()
   end
 
-  @spec represent_notification(User.t(), Notification.t()) :: binary()
-  defp represent_notification(%User{} = user, %Notification{} = notify) do
+  @spec represent_notification(User.t(), Notification.t() | %SubscriptionNotification{}) ::
+          binary()
+  defp represent_notification(%User{} = user, notify) do
+    event =
+      case notify do
+        %Notification{} -> "notification"
+        %SubscriptionNotification{} -> "subscription_norification"
+      end
+
     %{
-      event: "notification",
+      event: event,
       payload:
         NotificationView.render(
           "show.json",

priv/repo/migrations/20190824195028_create_subscription_notifications.exs

@@ -0,0 +1,15 @@
+defmodule Pleroma.Repo.Migrations.CreateSubscriptionNotifications do
+  use Ecto.Migration
+
+  def change do
+    create_if_not_exists table(:subscription_notifications) do
+      add(:user_id, references(:users, type: :uuid, on_delete: :delete_all))
+      add(:activity_id, references(:activities, type: :uuid, on_delete: :delete_all))
+
+      timestamps()
+    end
+
+    create_if_not_exists(index(:subscription_notifications, [:user_id]))
+    create_if_not_exists(index(:subscription_notifications, ["id desc nulls last"]))
+  end
+end

test/notification_test.exs

@@ -32,16 +32,16 @@ test "notifies someone when they are directly addressed" do
       assert other_notification.activity_id == activity.id
     end
 
-    test "it creates a notification for subscribed users" do
+    test "it does not create a notification for subscribed users" do
       user = insert(:user)
       subscriber = insert(:user)
 
       User.subscribe(subscriber, user)
 
       {:ok, status} = CommonAPI.post(user, %{"status" => "Akariiiin"})
-      {:ok, [notification]} = Notification.create_notifications(status)
+      {:ok, notifications} = Notification.create_notifications(status)
 
-      assert notification.user_id == subscriber.id
+      assert notifications == []
     end
 
     test "does not create a notification for subscribed users if status is a reply" do
@@ -190,14 +190,16 @@ test "it doesn't create a notification for follow-unfollow-follow chains" do
       refute Notification.create_notification(activity_dupe, followed_user)
     end
 
-    test "it doesn't create duplicate notifications for follow+subscribed users" do
+    test "it doesn't create notifications for follow+subscribed users" do
       user = insert(:user)
       subscriber = insert(:user)
 
       {:ok, _, _, _} = CommonAPI.follow(subscriber, user)
       User.subscribe(subscriber, user)
       {:ok, status} = CommonAPI.post(user, %{"status" => "Akariiiin"})
-      {:ok, [_notif]} = Notification.create_notifications(status)
+      {:ok, notifications} = Notification.create_notifications(status)
+
+      assert notifications == []
     end
 
     test "it doesn't create subscription notifications if the recipient cannot see the status" do

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -13,6 +13,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
   alias Pleroma.Object
   alias Pleroma.Repo
   alias Pleroma.ScheduledActivity
+  alias Pleroma.SubscriptionNotification
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
@@ -1273,6 +1274,197 @@ test "see notifications after muting user with notifications and with_muted para
     end
   end
 
+  describe "subscription_notifications" do
+    setup do
+      user = insert(:user)
+      subscriber = insert(:user)
+
+      User.subscribe(subscriber, user)
+
+      {:ok, %{user: user, subscriber: subscriber}}
+    end
+
+    test "list of notifications", %{conn: conn, user: user, subscriber: subscriber} do
+      status_text = "Hello"
+      {:ok, _activity} = CommonAPI.post(user, %{"status" => status_text})
+
+      conn =
+        conn
+        |> assign(:user, subscriber)
+        |> get("/api/v1/notifications/subscription")
+
+      assert [%{"status" => %{"content" => response}} | _rest] = json_response(conn, 200)
+      assert response == status_text
+    end
+
+    test "getting a single notification", %{conn: conn, user: user, subscriber: subscriber} do
+      status_text = "Hello"
+
+      {:ok, _activity} = CommonAPI.post(user, %{"status" => status_text})
+      [notification] = Repo.all(SubscriptionNotification)
+
+      conn =
+        conn
+        |> assign(:user, subscriber)
+        |> get("/api/v1/notifications/subscription/#{notification.id}")
+
+      assert %{"status" => %{"content" => response}} = json_response(conn, 200)
+      assert response == status_text
+    end
+
+    test "dismissing a single notification also deletes it", %{
+      conn: conn,
+      user: user,
+      subscriber: subscriber
+    } do
+      status_text = "Hello"
+      {:ok, _activity} = CommonAPI.post(user, %{"status" => status_text})
+
+      [notification] = Repo.all(SubscriptionNotification)
+
+      conn =
+        conn
+        |> assign(:user, subscriber)
+        |> post("/api/v1/notifications/subscription/dismiss", %{"id" => notification.id})
+
+      assert %{} = json_response(conn, 200)
+
+      assert Repo.all(SubscriptionNotification) == []
+    end
+
+    test "clearing all notifications also deletes them", %{
+      conn: conn,
+      user: user,
+      subscriber: subscriber
+    } do
+      status_text1 = "Hello"
+      status_text2 = "Hello again"
+      {:ok, _activity1} = CommonAPI.post(user, %{"status" => status_text1})
+      {:ok, _activity2} = CommonAPI.post(user, %{"status" => status_text2})
+
+      conn =
+        conn
+        |> assign(:user, subscriber)
+        |> post("/api/v1/notifications/subscription/clear")
+
+      assert %{} = json_response(conn, 200)
+
+      conn =
+        build_conn()
+        |> assign(:user, subscriber)
+        |> get("/api/v1/notifications/subscription")
+
+      assert json_response(conn, 200) == []
+
+      assert Repo.all(SubscriptionNotification) == []
+    end
+
+    test "paginates notifications using min_id, since_id, max_id, and limit", %{
+      conn: conn,
+      user: user,
+      subscriber: subscriber
+    } do
+      {:ok, activity1} = CommonAPI.post(user, %{"status" => "Hello 1"})
+      {:ok, activity2} = CommonAPI.post(user, %{"status" => "Hello 2"})
+      {:ok, activity3} = CommonAPI.post(user, %{"status" => "Hello 3"})
+      {:ok, activity4} = CommonAPI.post(user, %{"status" => "Hello 4"})
+
+      notification1_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity1.id).id |> to_string()
+
+      notification2_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity2.id).id |> to_string()
+
+      notification3_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity3.id).id |> to_string()
+
+      notification4_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity4.id).id |> to_string()
+
+      conn = assign(conn, :user, subscriber)
+
+      # min_id
+      conn_res =
+        get(conn, "/api/v1/notifications/subscription?limit=2&min_id=#{notification1_id}")
+
+      result = json_response(conn_res, 200)
+      assert [%{"id" => ^notification3_id}, %{"id" => ^notification2_id}] = result
+
+      # since_id
+      conn_res =
+        get(conn, "/api/v1/notifications/subscription?limit=2&since_id=#{notification1_id}")
+
+      result = json_response(conn_res, 200)
+      assert [%{"id" => ^notification4_id}, %{"id" => ^notification3_id}] = result
+
+      # max_id
+      conn_res =
+        get(conn, "/api/v1/notifications/subscription?limit=2&max_id=#{notification4_id}")
+
+      result = json_response(conn_res, 200)
+      assert [%{"id" => ^notification3_id}, %{"id" => ^notification2_id}] = result
+    end
+
+    test "destroy multiple", %{conn: conn, user: user1, subscriber: user2} do
+      # mutual subscription
+      User.subscribe(user1, user2)
+
+      {:ok, activity1} = CommonAPI.post(user1, %{"status" => "Hello 1"})
+      {:ok, activity2} = CommonAPI.post(user1, %{"status" => "World 1"})
+      {:ok, activity3} = CommonAPI.post(user2, %{"status" => "Hello 2"})
+      {:ok, activity4} = CommonAPI.post(user2, %{"status" => "World 2"})
+
+      notification1_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity1.id).id |> to_string()
+
+      notification2_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity2.id).id |> to_string()
+
+      notification3_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity3.id).id |> to_string()
+
+      notification4_id =
+        Repo.get_by(SubscriptionNotification, activity_id: activity4.id).id |> to_string()
+
+      conn = assign(conn, :user, user1)
+
+      conn_res = get(conn, "/api/v1/notifications/subscription")
+
+      result = json_response(conn_res, 200)
+
+      Enum.each(result, fn %{"id" => id} ->
+        assert id in [notification3_id, notification4_id]
+      end)
+
+      conn2 = assign(conn, :user, user2)
+
+      conn_res = get(conn2, "/api/v1/notifications/subscription")
+
+      result = json_response(conn_res, 200)
+
+      Enum.each(result, fn %{"id" => id} ->
+        assert id in [notification1_id, notification2_id]
+      end)
+
+      conn_destroy =
+        delete(conn, "/api/v1/notifications/subscription/destroy_multiple", %{
+          "ids" => [notification3_id, notification4_id]
+        })
+
+      assert json_response(conn_destroy, 200) == %{}
+
+      conn_res = get(conn2, "/api/v1/notifications/subscription")
+
+      result = json_response(conn_res, 200)
+
+      Enum.each(result, fn %{"id" => id} ->
+        assert id in [notification1_id, notification2_id]
+      end)
+
+      assert length(Repo.all(SubscriptionNotification)) == 2
+    end
+  end
+
   describe "reblogging" do
     test "reblogs and returns the reblogged status", %{conn: conn} do
       activity = insert(:note_activity)

test/web/mastodon_api/mastodon_api_test.exs

@@ -75,9 +75,9 @@ test "returns notifications for user" do
 
       User.subscribe(subscriber, user)
 
-      {:ok, status} = CommonAPI.post(user, %{"status" => "Akariiiin"})
+      {:ok, status} = CommonAPI.post(user, %{"status" => "Akariiiin @#{subscriber.nickname}"})
 
-      {:ok, status1} = CommonAPI.post(user, %{"status" => "Magi"})
+      {:ok, status1} = CommonAPI.post(user, %{"status" => "Magi @#{subscriber.nickname}"})
       {:ok, [notification]} = Notification.create_notifications(status)
       {:ok, [notification1]} = Notification.create_notifications(status1)
       res = MastodonAPI.get_notifications(subscriber)