allow users to disable their own account

lib/pleroma/web/twitter_api/controllers/util_controller.ex

@@ -311,6 +311,17 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
     end
   end
 
+  def disable_account(%{assigns: %{user: user}} = conn, params) do
+    case CommonAPI.Utils.confirm_current_password(user, params["password"]) do
+      {:ok, user} ->
+        User.disable_async(user)
+        json(conn, %{status: "success"})
+
+      {:error, msg} ->
+        json(conn, %{error: msg})
+    end
+  end
+
   def captcha(conn, _params) do
     json(conn, Pleroma.Captcha.new())
   end

lib/pleroma/web/twitter_api/twitter_api.ex

@@ -21,7 +21,7 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   end
 
   def delete(%User{} = user, id) do
-    with %Activity{data: %{"type" => _type}} <- Repo.get(Activity, id),
+    with %Activity{data: %{"type" => _type}} <- Activity.get_by_id(id),
          {:ok, activity} <- CommonAPI.delete(id, user) do
       {:ok, activity}
     end
@@ -232,21 +232,27 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
   def get_user(user \\ nil, params) do
     case params do
       %{"user_id" => user_id} ->
-        case target = User.get_cached_by_nickname_or_id(user_id) do
+        case User.get_cached_by_nickname_or_id(user_id) do
           nil ->
             {:error, "No user with such user_id"}
 
-          _ ->
-            {:ok, target}
+          %User{info: %{disabled: true}} ->
+            {:error, "User has been disabled"}
+
+          user ->
+            {:ok, user}
         end
 
       %{"screen_name" => nickname} ->
-        case target = Repo.get_by(User, nickname: nickname) do
+        case User.get_by_nickname(nickname) do
           nil ->
             {:error, "No user with such screen_name"}
 
-          _ ->
-            {:ok, target}
+          %User{info: %{disabled: true}} ->
+            {:error, "User has been disabled"}
+
+          user ->
+            {:ok, user}
         end
 
       _ ->

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -269,7 +269,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   end
 
   def fetch_status(%{assigns: %{user: user}} = conn, %{"id" => id}) do
-    with %Activity{} = activity <- Repo.get(Activity, id),
+    with %Activity{} = activity <- Activity.get_by_id(id),
          true <- Visibility.visible_for_user?(activity, user) do
       conn
       |> put_view(ActivityView)
@@ -341,7 +341,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   end
 
   def get_by_id_or_ap_id(id) do
-    activity = Repo.get(Activity, id) || Activity.get_create_by_object_ap_id(id)
+    activity = Activity.get_by_id(id) || Activity.get_create_by_object_ap_id(id)
 
     if activity.data["type"] == "Create" do
       activity