From 69192f36ff617d237481c401850171bf79a2f547 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Sun, 28 Oct 2018 19:47:56 +0000
Subject: [PATCH] mix tasks: add new task to unsubscribe all users from, and
 then ban a remote user (e.g. followbots)

---
 lib/mix/tasks/unsubscribe_user.ex | 32 +++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 lib/mix/tasks/unsubscribe_user.ex

diff --git a/lib/mix/tasks/unsubscribe_user.ex b/lib/mix/tasks/unsubscribe_user.ex
new file mode 100644
index 000000000..bb72634b6
--- /dev/null
+++ b/lib/mix/tasks/unsubscribe_user.ex
@@ -0,0 +1,32 @@
+defmodule Mix.Tasks.UnsubscribeUser do
+  use Mix.Task
+  alias Pleroma.{User, Repo}
+  require Logger
+
+  @shortdoc "Unsubscribe all users from a target and then deactivate them"
+  def run([nickname]) do
+    Mix.Task.run("app.start")
+
+    with %User{} = user <- User.get_by_nickname(nickname) do
+      Logger.info("Deactivating #{user.nickname}")
+      User.deactivate(user)
+
+      {:ok, friends} = User.get_friends(user)
+
+      Enum.each(friends, fn friend ->
+        user = Repo.get(User, user.id)
+
+        Logger.info("Unsubscribing #{friend.nickname} from #{user.nickname}")
+        User.unfollow(user, friend)
+      end)
+
+      :timer.sleep(500)
+
+      user = Repo.get(User, user.id)
+
+      if length(user.following) == 0 do
+        Logger.info("Successfully unsubscribed all followers from #{user.nickname}")
+      end
+    end
+  end
+end