Handle reblogs on the first follow request in MastoAPI

lib/pleroma/web/mastodon_api/mastodon_api.ex

@@ -7,6 +7,31 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
   alias Pleroma.Pagination
   alias Pleroma.ScheduledActivity
   alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+
+  def follow(follower, followed, params \\ %{}) do
+    options = cast_params(params)
+    reblogs = options[:reblogs]
+
+    result =
+      if not User.following?(follower, followed) do
+        CommonAPI.follow(follower, followed)
+      else
+        {:ok, follower, followed, nil}
+      end
+
+    with {:ok, follower, followed, _} <- result do
+      reblogs
+      |> case do
+        false -> CommonAPI.hide_reblogs(follower, followed)
+        _ -> CommonAPI.show_reblogs(follower, followed)
+      end
+      |> case do
+        {:ok, follower} -> {:ok, follower}
+        _ -> {:ok, follower}
+      end
+    end
+  end
 
   def get_followers(user, params \\ %{}) do
     user
@@ -37,7 +62,8 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPI do
 
   defp cast_params(params) do
     param_types = %{
-      exclude_types: {:array, :string}
+      exclude_types: {:array, :string},
+      reblogs: :boolean
     }
 
     changeset = cast({%{}, param_types}, params, Map.keys(param_types))

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -821,8 +821,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   def follow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
     with {_, %User{} = followed} <- {:followed, User.get_cached_by_id(id)},
          {_, true} <- {:followed, follower.id != followed.id},
-         false <- User.following?(follower, followed),
-         {:ok, follower, followed, _} <- CommonAPI.follow(follower, followed) do
+         {:ok, follower} <- MastodonAPI.follow(follower, followed, conn.params) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: follower, target: followed})
@@ -830,19 +829,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
       {:followed, _} ->
         {:error, :not_found}
 
-      true ->
-        followed = User.get_cached_by_id(id)
-
-        {:ok, follower} =
-          case conn.params["reblogs"] do
-            true -> CommonAPI.show_reblogs(follower, followed)
-            false -> CommonAPI.hide_reblogs(follower, followed)
-          end
-
-        conn
-        |> put_view(AccountView)
-        |> render("relationship.json", %{user: follower, target: followed})
-
       {:error, message} ->
         conn
         |> put_resp_content_type("application/json")