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2.8 KiB

from django.db import migrations, models
def migrate_secondary_translations_forward(apps, schema_editor):
QuranSecondaryTranslation = apps.get_model('hadis', 'QuranSecondaryTranslation')
for obj in list(QuranSecondaryTranslation.objects.all()):
trans_list = obj.translation_text or []
auth_list = obj.translator or []
trans_map = {}
if isinstance(trans_list, list):
for item in trans_list:
if isinstance(item, dict) and item.get('language_code'):
trans_map[item['language_code']] = item.get('text') or item.get('title') or ''
elif isinstance(trans_list, str):
trans_map['ru'] = trans_list
auth_map = {}
if isinstance(auth_list, list):
for item in auth_list:
if isinstance(item, dict) and item.get('language_code'):
auth_map[item['language_code']] = item.get('text') or item.get('title') or ''
elif isinstance(auth_list, str):
auth_map['ru'] = auth_list
langs = list(set(trans_map.keys()) | set(auth_map.keys()))
if not langs:
langs = ['ru']
first_lang = langs[0]
obj.language_code = first_lang
obj.new_translation_text = trans_map.get(first_lang, '')
obj.new_translator = auth_map.get(first_lang, '')
obj.save(update_fields=['language_code', 'new_translation_text', 'new_translator'])
for extra_lang in langs[1:]:
QuranSecondaryTranslation.objects.create(
quran_verse_id=obj.quran_verse_id,
language_code=extra_lang,
new_translation_text=trans_map.get(extra_lang, ''),
new_translator=auth_map.get(extra_lang, ''),
)
def migrate_secondary_translations_backward(apps, schema_editor):
pass
class Migration(migrations.Migration):
atomic = False
dependencies = [
('hadis', '0041_alter_hadisdatabaseversion_version_and_more'),
]
operations = [
migrations.AddField(
model_name='quransecondarytranslation',
name='language_code',
field=models.CharField(db_index=True, default='ru', max_length=10, verbose_name='Language Code'),
),
migrations.AddField(
model_name='quransecondarytranslation',
name='new_translation_text',
field=models.TextField(default='', verbose_name='Translation Text'),
),
migrations.AddField(
model_name='quransecondarytranslation',
name='new_translator',
field=models.CharField(default='', max_length=255, verbose_name='Translator Name'),
),
migrations.RunPython(
migrate_secondary_translations_forward,
migrate_secondary_translations_backward,
),
]