From f2936e0a0723956c167a06dc51518da172a508b2 Mon Sep 17 00:00:00 2001
From: Egor Kislitsyn <egor@kislitsyn.com>
Date: Fri, 17 May 2019 19:56:37 +0700
Subject: Add `ap_id` to List

---
 lib/pleroma/list.ex                 | 33 +++++++++++----------------------
 lib/pleroma/web/common_api/utils.ex |  3 ++-
 2 files changed, 13 insertions(+), 23 deletions(-)

(limited to 'lib')

diff --git a/lib/pleroma/list.ex b/lib/pleroma/list.ex
index 81b842e9c..16955b3b5 100644
--- a/lib/pleroma/list.ex
+++ b/lib/pleroma/list.ex
@@ -12,12 +12,11 @@ defmodule Pleroma.List do
   alias Pleroma.Repo
   alias Pleroma.User
 
-  @ap_id_regex ~r/^\/users\/(?<nickname>\w+)\/lists\/(?<list_id>\d+)/
-
   schema "lists" do
     belongs_to(:user, User, type: Pleroma.FlakeId)
     field(:title, :string)
     field(:following, {:array, :string}, default: [])
+    field(:ap_id, :string)
 
     timestamps()
   end
@@ -34,12 +33,6 @@ defmodule Pleroma.List do
     |> validate_required([:following])
   end
 
-  def ap_id(%User{nickname: nickname}, list_id) do
-    Pleroma.Web.Endpoint.url() <> "/users/#{nickname}/lists/#{list_id}"
-  end
-
-  def ap_id({nickname, list_id}), do: ap_id(%User{nickname: nickname}, list_id)
-
   def for_user(user, _opts) do
     query =
       from(
@@ -64,16 +57,7 @@ defmodule Pleroma.List do
   end
 
   def get_by_ap_id(ap_id) do
-    host = Pleroma.Web.Endpoint.host()
-
-    with %{host: ^host, path: path} <- URI.parse(ap_id),
-         %{"list_id" => list_id, "nickname" => nickname} <-
-           Regex.named_captures(@ap_id_regex, path),
-         %User{} = user <- User.get_cached_by_nickname(nickname) do
-      get(list_id, user)
-    else
-      _ -> nil
-    end
+    Repo.get_by(__MODULE__, ap_id: ap_id)
   end
 
   def get_following(%Pleroma.List{following: following} = _list) do
@@ -126,7 +110,14 @@ defmodule Pleroma.List do
 
   def create(title, %User{} = creator) do
     list = %Pleroma.List{user_id: creator.id, title: title}
-    Repo.insert(list)
+
+    Repo.transaction(fn ->
+      list = Repo.insert!(list)
+
+      list
+      |> change(ap_id: "#{creator.ap_id}/lists/#{list.id}")
+      |> Repo.update!()
+    end)
   end
 
   def follow(%Pleroma.List{following: following} = list, %User{} = followed) do
@@ -150,10 +141,8 @@ defmodule Pleroma.List do
   def memberships(%User{follower_address: follower_address}) do
     Pleroma.List
     |> where([l], ^follower_address in l.following)
-    |> join(:inner, [l], u in User, on: l.user_id == u.id)
-    |> select([l, u], {u.nickname, l.id})
+    |> select([l], l.ap_id)
     |> Repo.all()
-    |> Enum.map(&ap_id/1)
   end
 
   def memberships(_), do: []
diff --git a/lib/pleroma/web/common_api/utils.ex b/lib/pleroma/web/common_api/utils.ex
index f082b77d8..ba6ed67ef 100644
--- a/lib/pleroma/web/common_api/utils.ex
+++ b/lib/pleroma/web/common_api/utils.ex
@@ -105,7 +105,8 @@ defmodule Pleroma.Web.CommonAPI.Utils do
   def to_for_user_and_mentions(_user, _mentions, _inReplyTo, _), do: {[], []}
 
   def bcc_for_list(user, {:list, list_id}) do
-    [Pleroma.List.ap_id(user, list_id)]
+    list = Pleroma.List.get(list_id, user)
+    [list.ap_id]
   end
 
   def bcc_for_list(_, _), do: []
-- 
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