Mastodon API: Add `exclude_visibilities` parameter to the timeline and notification...

[akkoma] / lib / pleroma / web / mastodon_api / mastodon_api.ex

diff --git a/lib/pleroma/web/mastodon_api/mastodon_api.ex b/lib/pleroma/web/mastodon_api/mastodon_api.ex
index 8b137891791fe96927ad78e64b0aad7bded08bdc..d875a578840b4bfa6ec3af391c537aea05f7378c 100644 (file)
--- a/lib/pleroma/web/mastodon_api/mastodon_api.ex
+++ b/lib/pleroma/web/mastodon_api/mastodon_api.ex
@@ -1 +1,94 @@
+# 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.MastodonAPI do
+  import Ecto.Query
+  import Ecto.Changeset
+
+  alias Pleroma.Activity
+  alias Pleroma.Notification
+  alias Pleroma.Pagination
+  alias Pleroma.ScheduledActivity
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+
+  @spec follow(User.t(), User.t(), map) :: {:ok, User.t()} | {:error, String.t()}
+  def follow(follower, followed, params \\ %{}) do
+    result =
+      if not User.following?(follower, followed) do
+        CommonAPI.follow(follower, followed)
+      else
+        {:ok, follower, followed, nil}
+      end
+
+    with {:ok, follower, _followed, _} <- result do
+      options = cast_params(params)
+
+      case reblogs_visibility(options[:reblogs], result) do
+        {:ok, follower} -> {:ok, follower}
+        _ -> {:ok, follower}
+      end
+    end
+  end
+
+  defp reblogs_visibility(false, {:ok, follower, followed, _}) do
+    CommonAPI.hide_reblogs(follower, followed)
+  end
+
+  defp reblogs_visibility(_, {:ok, follower, followed, _}) do
+    CommonAPI.show_reblogs(follower, followed)
+  end
+
+  @spec get_followers(User.t(), map()) :: list(User.t())
+  def get_followers(user, params \\ %{}) do
+    user
+    |> User.get_followers_query()
+    |> Pagination.fetch_paginated(params)
+  end
+
+  def get_friends(user, params \\ %{}) do
+    user
+    |> User.get_friends_query()
+    |> Pagination.fetch_paginated(params)
+  end
+
+  def get_notifications(user, params \\ %{}) do
+    options = cast_params(params)
+
+    user
+    |> Notification.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()
+    |> Pagination.fetch_paginated(params)
+  end
+
+  defp cast_params(params) do
+    param_types = %{
+      exclude_types: {:array, :string},
+      exclude_visibilities: {:array, :string},
+      reblogs: :boolean,
+      with_muted: :boolean
+    }
+
+    changeset = cast({%{}, param_types}, params, Map.keys(param_types))
+    changeset.changes
+  end
+
+  defp restrict(query, :exclude_types, %{exclude_types: mastodon_types = [_ | _]}) do
+    ap_types =
+      mastodon_types
+      |> Enum.map(&Activity.from_mastodon_notification_type/1)
+      |> Enum.filter(& &1)
+
+    query
+    |> where([q, a], not fragment("? @> ARRAY[?->>'type']::varchar[]", ^ap_types, a.data))
+  end
+
+  defp restrict(query, _, _), do: query
+end