Refactor `add_link_headers/7` -> `add_link_headers/3`

lib/pleroma/web/controller_helper.ex

@@ -34,79 +34,38 @@ defp param_to_integer(val, default) when is_binary(val) do
 
   defp param_to_integer(_, default), do: default
 
-  def add_link_headers(
-        conn,
-        method,
-        activities,
-        param \\ nil,
-        params \\ %{},
-        func3 \\ nil,
-        func4 \\ nil
-      ) do
-    params =
-      conn.params
-      |> Map.drop(["since_id", "max_id", "min_id"])
-      |> Map.merge(params)
+  def add_link_headers(conn, activities, extra_params \\ %{}) do
+    case List.last(activities) do
+      %{id: max_id} ->
+        params =
+          conn.params
+          |> Map.drop(Map.keys(conn.path_params))
+          |> Map.drop(["since_id", "max_id", "min_id"])
+          |> Map.merge(extra_params)
 
-    last = List.last(activities)
+        limit =
+          params
+          |> Map.get("limit", "20")
+          |> String.to_integer()
 
-    func3 = func3 || (&mastodon_api_url/3)
-    func4 = func4 || (&mastodon_api_url/4)
+        min_id =
+          if length(activities) <= limit do
+            activities
+            |> List.first()
+            |> Map.get(:id)
+          else
+            activities
+            |> Enum.at(limit * -1)
+            |> Map.get(:id)
+          end
 
-    if last do
-      max_id = last.id
+        next_url = current_url(conn, Map.merge(params, %{max_id: max_id}))
+        prev_url = current_url(conn, Map.merge(params, %{min_id: min_id}))
 
-      limit =
-        params
-        |> Map.get("limit", "20")
-        |> String.to_integer()
+        put_resp_header(conn, "link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
 
-      min_id =
-        if length(activities) <= limit do
-          activities
-          |> List.first()
-          |> Map.get(:id)
-        else
-          activities
-          |> Enum.at(limit * -1)
-          |> Map.get(:id)
-        end
-
-      {next_url, prev_url} =
-        if param do
-          {
-            func4.(
-              Pleroma.Web.Endpoint,
-              method,
-              param,
-              Map.merge(params, %{max_id: max_id})
-            ),
-            func4.(
-              Pleroma.Web.Endpoint,
-              method,
-              param,
-              Map.merge(params, %{min_id: min_id})
-            )
-          }
-        else
-          {
-            func3.(
-              Pleroma.Web.Endpoint,
-              method,
-              Map.merge(params, %{max_id: max_id})
-            ),
-            func3.(
-              Pleroma.Web.Endpoint,
-              method,
-              Map.merge(params, %{min_id: min_id})
-            )
-          }
-        end
-
-      conn
-      |> put_resp_header("link", "<#{next_url}>; rel=\"next\", <#{prev_url}>; rel=\"prev\"")
-    else
-      conn
+      _ ->
+        conn
     end
   end
 end

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

@@ -6,7 +6,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   use Pleroma.Web, :controller
 
   import Pleroma.Web.ControllerHelper,
-    only: [json_response: 3, add_link_headers: 5, add_link_headers: 4, add_link_headers: 3]
+    only: [json_response: 3, add_link_headers: 2, add_link_headers: 3]
 
   alias Ecto.Changeset
   alias Pleroma.Activity
@@ -365,7 +365,7 @@ def home_timeline(%{assigns: %{user: user}} = conn, params) do
       |> Enum.reverse()
 
     conn
-    |> add_link_headers(:home_timeline, activities)
+    |> add_link_headers(activities)
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
@@ -384,7 +384,7 @@ def public_timeline(%{assigns: %{user: user}} = conn, params) do
       |> Enum.reverse()
 
     conn
-    |> add_link_headers(:public_timeline, activities, false, %{"local" => local_only})
+    |> add_link_headers(activities, %{"local" => local_only})
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
@@ -398,7 +398,7 @@ def user_statuses(%{assigns: %{user: reading_user}} = conn, params) do
       activities = ActivityPub.fetch_user_activities(user, reading_user, params)
 
       conn
-      |> add_link_headers(:user_statuses, activities, params["id"])
+      |> add_link_headers(activities)
       |> put_view(StatusView)
       |> render("index.json", %{
         activities: activities,
@@ -422,7 +422,7 @@ def dm_timeline(%{assigns: %{user: user}} = conn, params) do
       |> Pagination.fetch_paginated(params)
 
     conn
-    |> add_link_headers(:dm_timeline, activities)
+    |> add_link_headers(activities)
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
@@ -523,7 +523,7 @@ def poll_vote(%{assigns: %{user: user}} = conn, %{"id" => id, "choices" => choic
   def scheduled_statuses(%{assigns: %{user: user}} = conn, params) do
     with scheduled_activities <- MastodonAPI.get_scheduled_activities(user, params) do
       conn
-      |> add_link_headers(:scheduled_statuses, scheduled_activities)
+      |> add_link_headers(scheduled_activities)
       |> put_view(ScheduledActivityView)
       |> render("index.json", %{scheduled_activities: scheduled_activities})
     end
@@ -706,7 +706,7 @@ def notifications(%{assigns: %{user: user}} = conn, params) do
     notifications = MastodonAPI.get_notifications(user, params)
 
     conn
-    |> add_link_headers(:notifications, notifications)
+    |> add_link_headers(notifications)
     |> put_view(NotificationView)
     |> render("index.json", %{notifications: notifications, for: user})
   end
@@ -894,7 +894,7 @@ def hashtag_timeline(%{assigns: %{user: user}} = conn, params) do
       |> Enum.reverse()
 
     conn
-    |> add_link_headers(:hashtag_timeline, activities, params["tag"], %{"local" => local_only})
+    |> add_link_headers(activities, %{"local" => local_only})
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
@@ -910,7 +910,7 @@ def followers(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
         end
 
       conn
-      |> add_link_headers(:followers, followers, user)
+      |> add_link_headers(followers)
       |> put_view(AccountView)
       |> render("accounts.json", %{for: for_user, users: followers, as: :user})
     end
@@ -927,7 +927,7 @@ def following(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params) do
         end
 
       conn
-      |> add_link_headers(:following, followers, user)
+      |> add_link_headers(followers)
       |> put_view(AccountView)
       |> render("accounts.json", %{for: for_user, users: followers, as: :user})
     end
@@ -1152,7 +1152,7 @@ def favourites(%{assigns: %{user: user}} = conn, params) do
       |> Enum.reverse()
 
     conn
-    |> add_link_headers(:favourites, activities)
+    |> add_link_headers(activities)
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
@@ -1179,7 +1179,7 @@ def user_favourites(%{assigns: %{user: for_user}} = conn, %{"id" => id} = params
         |> Enum.reverse()
 
       conn
-      |> add_link_headers(:favourites, activities)
+      |> add_link_headers(activities)
       |> put_view(StatusView)
       |> render("index.json", %{activities: activities, for: for_user, as: :activity})
     else
@@ -1200,7 +1200,7 @@ def bookmarks(%{assigns: %{user: user}} = conn, params) do
       |> Enum.map(fn b -> Map.put(b.activity, :bookmark, Map.delete(b, :activity)) end)
 
     conn
-    |> add_link_headers(:bookmarks, bookmarks)
+    |> add_link_headers(bookmarks)
     |> put_view(StatusView)
     |> render("index.json", %{activities: activities, for: user, as: :activity})
   end
@@ -1640,7 +1640,7 @@ def conversations(%{assigns: %{user: user}} = conn, params) do
       end)
 
     conn
-    |> add_link_headers(:conversations, participations)
+    |> add_link_headers(participations)
     |> json(conversations)
   end
 

lib/pleroma/web/pleroma_api/pleroma_api_controller.ex

@@ -5,7 +5,7 @@
 defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
   use Pleroma.Web, :controller
 
-  import Pleroma.Web.ControllerHelper, only: [add_link_headers: 7]
+  import Pleroma.Web.ControllerHelper, only: [add_link_headers: 2]
 
   alias Pleroma.Conversation.Participation
   alias Pleroma.Notification
@@ -27,31 +27,22 @@ def conversation_statuses(
         %{assigns: %{user: user}} = conn,
         %{"id" => participation_id} = params
       ) do
-    params =
-      params
-      |> Map.put("blocking_user", user)
-      |> Map.put("muting_user", user)
-      |> Map.put("user", user)
-
-    participation =
-      participation_id
-      |> Participation.get(preload: [:conversation])
+    participation = Participation.get(participation_id, preload: [:conversation])
 
     if user.id == participation.user_id do
+      params =
+        params
+        |> Map.put("blocking_user", user)
+        |> Map.put("muting_user", user)
+        |> Map.put("user", user)
+
       activities =
         participation.conversation.ap_id
         |> ActivityPub.fetch_activities_for_context(params)
         |> Enum.reverse()
 
       conn
-      |> add_link_headers(
-        :conversation_statuses,
-        activities,
-        participation_id,
-        params,
-        nil,
-        &pleroma_api_url/4
-      )
+      |> add_link_headers(activities)
       |> put_view(StatusView)
       |> render("index.json", %{activities: activities, for: user, as: :activity})
     end