Unify unfollow, accept and reject follow requests using CommonAPI

lib/pleroma/web/common_api/common_api.ex

@@ -27,6 +27,42 @@ def follow(follower, followed) do
     end
   end
 
+  def unfollow(follower, unfollowed) do
+    with {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
+         {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
+      {:ok, follower}
+    end
+  end
+
+  def accept_follow_request(follower, followed) do
+    with {:ok, follower} <- User.maybe_follow(follower, followed),
+         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
+         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
+         {:ok, _activity} <-
+           ActivityPub.accept(%{
+             to: [follower.ap_id],
+             actor: followed,
+             object: follow_activity.data["id"],
+             type: "Accept"
+           }) do
+      {:ok, follower}
+    end
+  end
+
+  def reject_follow_request(follower, followed) do
+    with %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
+         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
+         {:ok, _activity} <-
+           ActivityPub.reject(%{
+             to: [follower.ap_id],
+             actor: followed,
+             object: follow_activity.data["id"],
+             type: "Reject"
+           }) do
+      {:ok, follower}
+    end
+  end
+
   def delete(activity_id, user) do
     with %Activity{data: %{"object" => %{"id" => object_id}}} <- Repo.get(Activity, activity_id),
          %Object{} = object <- Object.normalize(object_id),

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -15,7 +15,6 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIController do
   alias Pleroma.User
   alias Pleroma.Web
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.MastodonAPI.AccountView
@@ -697,16 +696,7 @@ def follow_requests(%{assigns: %{user: followed}} = conn, _params) do
 
   def authorize_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
     with %User{} = follower <- Repo.get(User, id),
-         {:ok, follower} <- User.maybe_follow(follower, followed),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
-         {:ok, _activity} <-
-           ActivityPub.accept(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Accept"
-           }) do
+         {:ok, follower} <- CommonAPI.accept_follow_request(follower, followed) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: followed, target: follower})
@@ -720,15 +710,7 @@ def authorize_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}
 
   def reject_follow_request(%{assigns: %{user: followed}} = conn, %{"id" => id}) do
     with %User{} = follower <- Repo.get(User, id),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
-         {:ok, _activity} <-
-           ActivityPub.reject(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Reject"
-           }) do
+         {:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: followed, target: follower})
@@ -770,8 +752,7 @@ def follow(%{assigns: %{user: follower}} = conn, %{"uri" => uri}) do
 
   def unfollow(%{assigns: %{user: follower}} = conn, %{"id" => id}) do
     with %User{} = followed <- Repo.get(User, id),
-         {:ok, _activity} <- ActivityPub.unfollow(follower, followed),
-         {:ok, follower, _} <- User.unfollow(follower, followed) do
+         {:ok, follower} <- CommonAPI.unfollow(follower, followed) do
       conn
       |> put_view(AccountView)
       |> render("relationship.json", %{user: follower, target: followed})

lib/pleroma/web/twitter_api/twitter_api.ex

@@ -35,11 +35,8 @@ def follow(%User{} = follower, params) do
 
   def unfollow(%User{} = follower, params) do
     with {:ok, %User{} = unfollowed} <- get_user(params),
-         {:ok, follower, _follow_activity} <- User.unfollow(follower, unfollowed),
-         {:ok, _activity} <- ActivityPub.unfollow(follower, unfollowed) do
+         {:ok, follower} <- CommonAPI.unfollow(follower, unfollowed) do
       {:ok, follower, unfollowed}
-    else
-      err -> err
     end
   end
 

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -14,7 +14,6 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.OAuth.Token
@@ -588,16 +587,7 @@ def friend_requests(conn, params) do
   def approve_friend_request(conn, %{"user_id" => uid} = _params) do
     with followed <- conn.assigns[:user],
          %User{} = follower <- Repo.get(User, uid),
-         {:ok, follower} <- User.maybe_follow(follower, followed),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "accept"),
-         {:ok, _activity} <-
-           ActivityPub.accept(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Accept"
-           }) do
+         {:ok, follower} <- CommonAPI.accept_follow_request(follower, followed) do
       conn
       |> put_view(UserView)
       |> render("show.json", %{user: follower, for: followed})
@@ -609,15 +599,7 @@ def approve_friend_request(conn, %{"user_id" => uid} = _params) do
   def deny_friend_request(conn, %{"user_id" => uid} = _params) do
     with followed <- conn.assigns[:user],
          %User{} = follower <- Repo.get(User, uid),
-         %Activity{} = follow_activity <- Utils.fetch_latest_follow(follower, followed),
-         {:ok, follow_activity} <- Utils.update_follow_state(follow_activity, "reject"),
-         {:ok, _activity} <-
-           ActivityPub.reject(%{
-             to: [follower.ap_id],
-             actor: followed,
-             object: follow_activity.data["id"],
-             type: "Reject"
-           }) do
+         {:ok, follower} <- CommonAPI.reject_follow_request(follower, followed) do
       conn
       |> put_view(UserView)
       |> render("show.json", %{user: follower, for: followed})