fix for feed page pagination

lib/pleroma/web/controller_helper.ex

@@ -87,7 +87,8 @@ def try_render(conn, _, _) do
     render_error(conn, :not_implemented, "Can't display this activity")
   end
 
-  @spec put_in_if_exist(map(), atom() | String.t(), any) :: map()
+  @spec put_if_exist(map(), atom() | String.t(), any) :: map()
-  def put_in_if_exist(map, _key, nil), do: map
+  def put_if_exist(map, _key, nil), do: map
-  def put_in_if_exist(map, key, value), do: put_in(map, key, value)
+
+  def put_if_exist(map, key, value), do: Map.put(map, key, value)
 end

lib/pleroma/web/feed/tag_controller.ex

@@ -9,14 +9,14 @@ defmodule Pleroma.Web.Feed.TagController do
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.Feed.FeedView
 
-  import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
+  import Pleroma.Web.ControllerHelper, only: [put_if_exist: 3]
 
   def feed(conn, %{"tag" => raw_tag} = params) do
     {format, tag} = parse_tag(raw_tag)
 
     activities =
       %{"type" => ["Create"], "tag" => tag}
-      |> put_in_if_exist("max_id", params["max_id"])
+      |> put_if_exist("max_id", params["max_id"])
       |> ActivityPub.fetch_public_activities()
 
     conn

lib/pleroma/web/feed/user_controller.ex

@@ -11,7 +11,7 @@ defmodule Pleroma.Web.Feed.UserController do
   alias Pleroma.Web.ActivityPub.ActivityPubController
   alias Pleroma.Web.Feed.FeedView
 
-  import Pleroma.Web.ControllerHelper, only: [put_in_if_exist: 3]
+  import Pleroma.Web.ControllerHelper, only: [put_if_exist: 3]
 
   plug(Pleroma.Plugs.SetFormatPlug when action in [:feed_redirect])
 
@@ -46,7 +46,7 @@ def feed(conn, %{"nickname" => nickname} = params) do
           "type" => ["Create"],
           "actor_id" => user.ap_id
         }
-        |> put_in_if_exist("max_id", params["max_id"])
+        |> put_if_exist("max_id", params["max_id"])
         |> ActivityPub.fetch_public_activities()
 
       conn

test/web/feed/tag_controller_test.exs

@@ -8,6 +8,8 @@ defmodule Pleroma.Web.Feed.TagControllerTest do
   import Pleroma.Factory
   import SweetXml
 
+  alias Pleroma.Object
+  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.Feed.FeedView
 
   clear_config([:feed])
@@ -19,9 +21,9 @@ test "gets a feed (ATOM)", %{conn: conn} do
     )
 
     user = insert(:user)
-    {:ok, activity1} = Pleroma.Web.CommonAPI.post(user, %{"status" => "yeah #PleromaArt"})
+    {:ok, activity1} = CommonAPI.post(user, %{"status" => "yeah #PleromaArt"})
 
-    object = Pleroma.Object.normalize(activity1)
+    object = Object.normalize(activity1)
 
     object_data =
       Map.put(object.data, "attachment", [
@@ -41,10 +43,9 @@ test "gets a feed (ATOM)", %{conn: conn} do
     |> Ecto.Changeset.change(data: object_data)
     |> Pleroma.Repo.update()
 
-    {:ok, _activity2} =
+    {:ok, activity2} = CommonAPI.post(user, %{"status" => "42 This is :moominmamma #PleromaArt"})
-      Pleroma.Web.CommonAPI.post(user, %{"status" => "42 This is :moominmamma #PleromaArt"})
 
-    {:ok, _activity3} = Pleroma.Web.CommonAPI.post(user, %{"status" => "This is :moominmamma"})
+    {:ok, _activity3} = CommonAPI.post(user, %{"status" => "This is :moominmamma"})
 
     response =
       conn
@@ -63,6 +64,20 @@ test "gets a feed (ATOM)", %{conn: conn} do
 
     assert xpath(xml, ~x"//feed/entry/author/name/text()"ls) == [user.nickname, user.nickname]
     assert xpath(xml, ~x"//feed/entry/author/id/text()"ls) == [user.ap_id, user.ap_id]
+
+    resp =
+      conn
+      |> put_req_header("content-type", "application/atom+xml")
+      |> get("/tags/pleromaart.atom", %{"max_id" => activity2.id})
+      |> response(200)
+
+    xml = parse(resp)
+
+    assert xpath(xml, ~x"//feed/title/text()") == '#pleromaart'
+
+    assert xpath(xml, ~x"//feed/entry/title/text()"l) == [
+             'yeah #PleromaArt'
+           ]
   end
 
   test "gets a feed (RSS)", %{conn: conn} do
@@ -72,9 +87,9 @@ test "gets a feed (RSS)", %{conn: conn} do
     )
 
     user = insert(:user)
-    {:ok, activity1} = Pleroma.Web.CommonAPI.post(user, %{"status" => "yeah #PleromaArt"})
+    {:ok, activity1} = CommonAPI.post(user, %{"status" => "yeah #PleromaArt"})
 
-    object = Pleroma.Object.normalize(activity1)
+    object = Object.normalize(activity1)
 
     object_data =
       Map.put(object.data, "attachment", [
@@ -94,10 +109,9 @@ test "gets a feed (RSS)", %{conn: conn} do
     |> Ecto.Changeset.change(data: object_data)
     |> Pleroma.Repo.update()
 
-    {:ok, activity2} =
+    {:ok, activity2} = CommonAPI.post(user, %{"status" => "42 This is :moominmamma #PleromaArt"})
-      Pleroma.Web.CommonAPI.post(user, %{"status" => "42 This is :moominmamma #PleromaArt"})
 
-    {:ok, _activity3} = Pleroma.Web.CommonAPI.post(user, %{"status" => "This is :moominmamma"})
+    {:ok, _activity3} = CommonAPI.post(user, %{"status" => "This is :moominmamma"})
 
     response =
       conn
@@ -131,8 +145,8 @@ test "gets a feed (RSS)", %{conn: conn} do
              "https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4"
            ]
 
-    obj1 = Pleroma.Object.normalize(activity1)
+    obj1 = Object.normalize(activity1)
-    obj2 = Pleroma.Object.normalize(activity2)
+    obj2 = Object.normalize(activity2)
 
     assert xpath(xml, ~x"//channel/item/description/text()"sl) == [
              HtmlEntities.decode(FeedView.activity_content(obj2)),
@@ -150,5 +164,19 @@ test "gets a feed (RSS)", %{conn: conn} do
 
     assert xpath(xml, ~x"//channel/description/text()"s) ==
              "These are public toots tagged with #pleromaart. You can interact with them if you have an account anywhere in the fediverse."
+
+    resp =
+      conn
+      |> put_req_header("content-type", "application/atom+xml")
+      |> get("/tags/pleromaart", %{"max_id" => activity2.id})
+      |> response(200)
+
+    xml = parse(resp)
+
+    assert xpath(xml, ~x"//channel/title/text()") == '#pleromaart'
+
+    assert xpath(xml, ~x"//channel/item/title/text()"l) == [
+             'yeah #PleromaArt'
+           ]
   end
 end

test/web/feed/user_controller_test.exs

@@ -54,7 +54,7 @@ test "gets a feed", %{conn: conn} do
           }
         )
 
-      _note_activity2 = insert(:note_activity, note: note2)
+      note_activity2 = insert(:note_activity, note: note2)
       object = Object.normalize(note_activity)
 
       resp =
@@ -70,6 +70,19 @@ test "gets a feed", %{conn: conn} do
 
       assert activity_titles == ['42 This...', 'This is...']
       assert resp =~ object.data["content"]
+
+      resp =
+        conn
+        |> put_req_header("content-type", "application/atom+xml")
+        |> get("/users/#{user.nickname}/feed", %{"max_id" => note_activity2.id})
+        |> response(200)
+
+      activity_titles =
+        resp
+        |> SweetXml.parse()
+        |> SweetXml.xpath(~x"//entry/title/text()"l)
+
+      assert activity_titles == ['This is...']
     end
 
     test "returns 404 for a missing feed", %{conn: conn} do