Add user following / unfollowing to the admin api.

lib/pleroma/web/admin_api/admin_api_controller.ex

@@ -25,6 +25,26 @@ def user_delete(conn, %{"nickname" => nickname}) do
     |> json(nickname)
   end
 
+  def user_follow(conn, %{"follower" => follower_nick, "followed" => followed_nick}) do
+    with %User{} = follower <- Repo.get_by(User, %{nickname: follower_nick}),
+         %User{} = followed <- Repo.get_by(User, %{nickname: followed_nick}) do
+      User.follow(follower, followed)
+    end
+
+    conn
+    |> json("ok")
+  end
+
+  def user_unfollow(conn, %{"follower" => follower_nick, "followed" => followed_nick}) do
+    with %User{} = follower <- Repo.get_by(User, %{nickname: follower_nick}),
+         %User{} = followed <- Repo.get_by(User, %{nickname: followed_nick}) do
+      User.unfollow(follower, followed)
+    end
+
+    conn
+    |> json("ok")
+  end
+
   def user_create(
         conn,
         %{"nickname" => nickname, "email" => email, "password" => password}

lib/pleroma/web/router.ex

@@ -140,8 +140,12 @@ defmodule Pleroma.Web.Router do
   scope "/api/pleroma/admin", Pleroma.Web.AdminAPI do
     pipe_through([:admin_api, :oauth_write])
 
+    post("/user/follow", AdminAPIController, :user_follow)
+    post("/user/unfollow", AdminAPIController, :user_unfollow)
+
     get("/users", AdminAPIController, :list_users)
     get("/users/:nickname", AdminAPIController, :user_show)
+
     delete("/user", AdminAPIController, :user_delete)
     patch("/users/:nickname/toggle_activation", AdminAPIController, :user_toggle_activation)
     post("/user", AdminAPIController, :user_create)

test/web/admin_api/admin_api_controller_test.exs

@@ -74,6 +74,52 @@ test "when the user doesn't exist", %{conn: conn} do
     end
   end
 
+  describe "/api/pleroma/admin/user/follow" do
+    test "allows to force-follow another user" do
+      admin = insert(:user, info: %{is_admin: true})
+      user = insert(:user)
+      follower = insert(:user)
+
+      conn =
+        build_conn()
+        |> assign(:user, admin)
+        |> put_req_header("accept", "application/json")
+        |> post("/api/pleroma/admin/user/follow", %{
+          "follower" => follower.nickname,
+          "followed" => user.nickname
+        })
+
+      user = Repo.get(User, user.id)
+      follower = Repo.get(User, follower.id)
+
+      assert User.following?(follower, user)
+    end
+  end
+
+  describe "/api/pleroma/admin/user/unfollow" do
+    test "allows to force-unfollow another user" do
+      admin = insert(:user, info: %{is_admin: true})
+      user = insert(:user)
+      follower = insert(:user)
+
+      User.follow(follower, user)
+
+      conn =
+        build_conn()
+        |> assign(:user, admin)
+        |> put_req_header("accept", "application/json")
+        |> post("/api/pleroma/admin/user/unfollow", %{
+          "follower" => follower.nickname,
+          "followed" => user.nickname
+        })
+
+      user = Repo.get(User, user.id)
+      follower = Repo.get(User, follower.id)
+
+      refute User.following?(follower, user)
+    end
+  end
+
   describe "PUT /api/pleroma/admin/users/tag" do
     setup do
       admin = insert(:user, info: %{is_admin: true})