skillbox/server/core/convert_page_translation.py

82 lines
2.7 KiB
Python

from wagtail.actions.copy_for_translation import ParentNotTranslatedError
from wagtail.models import Locale, Page
from books.models.module import Module
from books.models.topic import Topic
from core.logger import get_logger
logger = get_logger(__name__)
class AlreadyTranslatedException(Exception):
pass
class PageDoesNotExistException(Exception):
pass
def translate_page(page: Page, locale: Locale):
logger.debug(f"translating page {page} for locale {locale}")
translated_page = page.copy_for_translation(locale)
revision = translated_page.latest_revision
translated_page.publish(revision)
return translated_page
# todo: write a test maybe
def convert_page_to_translation(page_model, slug: str, original_slug: str, language_code="en"):
"""
Migrate a module and its children to a new locale and links it to
its translation in the original locale.
@param slug: the slug of the module to migrate
@param original_slug: the slug of the module in the original locale
"""
try:
page = page_model.objects.get(slug=slug)
except page_model.DoesNotExist:
raise PageDoesNotExistException(slug)
try:
original = page_model.objects.get(slug=original_slug)
except page_model.DoesNotExist:
raise PageDoesNotExistException(original_slug)
if original.translation_key == page.translation_key:
raise AlreadyTranslatedException
locale, _ = Locale.objects.get_or_create(language_code=language_code)
logger.debug("Starting conversion")
topic: Topic = page.get_parent()
try:
logger.debug("Getting existing topic translation")
translated_topic = topic.get_translation(locale)
except Page.DoesNotExist:
logger.debug("Creating topic translation")
try:
translated_topic = translate_page(topic, locale)
except ParentNotTranslatedError:
# let's try to translate the parent page too
translate_page(topic.get_parent(), locale)
translated_topic = translate_page(topic, locale)
page.locale = locale
if original is not None:
translation_key = original.translation_key
page.translation_key = translation_key
page.save()
chapters = page.get_children()
for chapter in chapters:
chapter.locale = locale
chapter.save()
content_blocks = chapter.get_children()
for content_block in content_blocks:
content_block.locale = locale
#content_block.save()
logger.debug(f"moving {page} to {translated_topic}")
page.move(translated_topic, "last-child")
return f"Converted page {slug} to be the {language_code} translation of {original_slug}"