From 2e9c2bb84da86f40c152aa15854593d383be9c6c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20=C4=8Ciha=C5=99?= <michal@cihar.com>
Date: Mon, 18 Jul 2022 15:06:28 +0200
Subject: [PATCH] formats: Add appstore languge naming

This is merely a BCP style with few overrides.

Fixes #5522
---
 docs/admin/languages.rst          |  9 +++++++--
 weblate/formats/base.py           | 12 ++++++++++++
 weblate/formats/txt.py            |  2 +-
 weblate/trans/models/component.py |  1 +
 4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/docs/admin/languages.rst b/docs/admin/languages.rst
index 87b639363ad4..c1b5d5ea4fd4 100644
--- a/docs/admin/languages.rst
+++ b/docs/admin/languages.rst
@@ -200,11 +200,16 @@ BCP style using hyphen as a separator
 BCP style using hyphen as a separator, including country code
    BCP style language code including the country code even when not necessary
    (for example ``cs-CZ``).
+BCP style using hyphen as a separator, legacy language codes
+   Uses legacy codes for Chinese and BCP style notation.
+BCP style using hyphen as a separator, lower cased
+   BCP style notation, all in lower case (for examle ``cs-cz``).
+App store metadata style
+   Style suitable for uploading metadata to appstores. This should be suitable
+   for both Apple App Store and Google Play Store.
 Android style
    Only used in Android apps, produces language codes like
    ``pt-rBR``.
-BCP style using hyphen as a separator, legacy language codes
-   Uses legacy codes for Chinese and BCP style notation.
 Linux style
    Locales as used by Linux, uses legacy codes for Chinese and POSIX style notation.
 
diff --git a/weblate/formats/base.py b/weblate/formats/base.py
index 0f3bff773091..58ca497ba7c1 100644
--- a/weblate/formats/base.py
+++ b/weblate/formats/base.py
@@ -45,6 +45,13 @@
     "zh_Hans_SG": "zh_SG",
     "zh_Hant_HK": "zh_HK",
 }
+APPSTORE_CODES = {
+    "ar": "ar-SA",
+    "de": "de-DE",
+    "fr": "fr-FR",
+    "nl": "nl-NL",
+    "pt": "pt-PT",
+}
 
 
 class UnitNotFound(Exception):
@@ -490,6 +497,11 @@ def get_language_bcp_legacy(cls, code: str) -> str:
         """BCP, but doesn't use Hans/Hant, but rather TW/CN variants."""
         return cls.get_language_bcp(cls.get_language_linux(code))
 
+    @classmethod
+    def get_language_appstore(cls, code: str) -> str:
+        """App store language codes."""
+        return cls.get_language_bcp(APPSTORE_CODES.get(code, code))
+
     @classmethod
     def get_language_filename(cls, mask: str, code: str) -> str:
         """
diff --git a/weblate/formats/txt.py b/weblate/formats/txt.py
index 892422f26743..a12be8af1b66 100644
--- a/weblate/formats/txt.py
+++ b/weblate/formats/txt.py
@@ -191,7 +191,7 @@ class AppStoreFormat(TranslationFormat):
     monolingual = True
     unit_class = TextUnit
     simple_filename = False
-    language_format = "bcp_legacy"
+    language_format = "appstore"
     create_style = "directory"
 
     def load(self, storefile, template_store):
diff --git a/weblate/trans/models/component.py b/weblate/trans/models/component.py
index 0ea3091ee9fb..3f5cfa8b2a5d 100644
--- a/weblate/trans/models/component.py
+++ b/weblate/trans/models/component.py
@@ -141,6 +141,7 @@
         "bcp_legacy",
         gettext_lazy("BCP style using hyphen as a separator, legacy language codes"),
     ),
+    ("appstore", gettext_lazy("App store metadata style")),
     ("linux", gettext_lazy("Linux style")),
 )