From e4f2251e0f5744de66b9b3bee2a0086bc7ab2bb1 Mon Sep 17 00:00:00 2001
From: floatingghost <hannah@coffee-and-dreams.uk>
Date: Thu, 25 Aug 2022 16:11:21 +0000
Subject: [PATCH] Add support for setting language in instance metadata (#183)

Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/183
---
 CHANGELOG.md                                           |  2 ++
 config/config.exs                                      |  1 +
 config/description.exs                                 | 10 ++++++++++
 lib/pleroma/web/mastodon_api/views/instance_view.ex    |  2 +-
 .../controllers/instance_controller_test.exs           |  5 +++--
 5 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3966bb10b..df34d2bb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Added
 - support for fedibird-fe, and non-breaking API parity for it to function
+- support for setting instance languages in metadata
+- support for reusing oauth tokens, and not requiring new authorizations
 
 ### Changed
 - MFM parsing is now done on the backend by a modified version of ilja's parser -> https://akkoma.dev/AkkomaGang/mfm-parser
diff --git a/config/config.exs b/config/config.exs
index 83977da19..ec82e872a 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -197,6 +197,7 @@
   avatar_upload_limit: 2_000_000,
   background_upload_limit: 4_000_000,
   banner_upload_limit: 4_000_000,
+  languages: ["en"],
   poll_limits: %{
     max_options: 20,
     max_option_chars: 200,
diff --git a/config/description.exs b/config/description.exs
index b70982cd2..61ef8f449 100644
--- a/config/description.exs
+++ b/config/description.exs
@@ -509,6 +509,16 @@
           "Pleroma"
         ]
       },
+      %{
+        key: :languages,
+        type: {:list, :string},
+        description: "Languages the instance uses",
+        suggestions: [
+          "en",
+          "ja",
+          "fr"
+        ]
+      },
       %{
         key: :email,
         label: "Admin Email Address",
diff --git a/lib/pleroma/web/mastodon_api/views/instance_view.ex b/lib/pleroma/web/mastodon_api/views/instance_view.ex
index 4cfa8d85c..7ae357e23 100644
--- a/lib/pleroma/web/mastodon_api/views/instance_view.ex
+++ b/lib/pleroma/web/mastodon_api/views/instance_view.ex
@@ -26,7 +26,7 @@ def render("show.json", _) do
       thumbnail:
         URI.merge(Pleroma.Web.Endpoint.url(), Keyword.get(instance, :instance_thumbnail))
         |> to_string,
-      languages: ["en"],
+      languages: Keyword.get(instance, :languages, ["en"]),
       registrations: Keyword.get(instance, :registrations_open),
       approval_required: Keyword.get(instance, :account_approval_required),
       # Extra (not present in Mastodon):
diff --git a/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
index 90801a90a..bc3d35819 100644
--- a/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
+++ b/test/pleroma/web/mastodon_api/controllers/instance_controller_test.exs
@@ -10,10 +10,11 @@ defmodule Pleroma.Web.MastodonAPI.InstanceControllerTest do
   import Pleroma.Factory
 
   test "get instance information", %{conn: conn} do
+    clear_config([:instance, :languages], ["en", "ja"])
     conn = get(conn, "/api/v1/instance")
     assert result = json_response_and_validate_schema(conn, 200)
-
     email = Pleroma.Config.get([:instance, :email])
+
     thumbnail = Pleroma.Web.Endpoint.url() <> Pleroma.Config.get([:instance, :instance_thumbnail])
     background = Pleroma.Web.Endpoint.url() <> Pleroma.Config.get([:instance, :background_image])
 
@@ -29,7 +30,7 @@ test "get instance information", %{conn: conn} do
              },
              "stats" => _,
              "thumbnail" => from_config_thumbnail,
-             "languages" => _,
+             "languages" => ["en", "ja"],
              "registrations" => _,
              "approval_required" => _,
              "poll_limits" => _,