Differential D10431 Diff 34034 looper/migrations/0035_order_name.py

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looper/migrations/0035_order_name.py

	# Generated by Django 2.1.2 on 2018-10-05 10:55			# Generated by Django 2.1.2 on 2018-10-05 10:55
				from typing import Any

	from django.db import migrations, models			from django.db import migrations, models
	from django.db.transaction import atomic			from django.db.transaction import atomic


	@atomic			@atomic
	def set_default_name(apps, schema_editor):			def set_default_name(apps: Any, schema_editor: Any) -> Any:
	# We can't import the Person model directly as it may be a newer			# We can't import the Person model directly as it may be a newer
	# version than this migration expects. We use the historical version.			# version than this migration expects. We use the historical version.
	Order = apps.get_model('looper', 'Order')			Order = apps.get_model('looper', 'Order')

	query = Order.objects.filter(name='').select_related('subscription__plan',			query = Order.objects.filter(name='').select_related(
	'subscription__plan__product')			'subscription__plan', 'subscription__plan__product'
				)
	for order in query:			for order in query:
	order.name = f'{order.subscription.plan.product.name} / {order.subscription.plan.name}'			order.name = f'{order.subscription.plan.product.name} / {order.subscription.plan.name}'
	order.save(update_fields={'name'})			order.save(update_fields={'name'})


	def noop(apps, schema_editor):			def noop(apps: Any, schema_editor: Any) -> Any:
	# Reverting the data isn't necessary, as the whole column will be dropped anyway.			# Reverting the data isn't necessary, as the whole column will be dropped anyway.
	pass			pass


	class Migration(migrations.Migration):			class Migration(migrations.Migration):
	dependencies = [			dependencies = [
	('looper', '0034_order_paid_at'),			('looper', '0034_order_paid_at'),
	]			]

	operations = [			operations = [
	migrations.AddField(			migrations.AddField(
	model_name='order',			model_name='order',
	name='name',			name='name',
	field=models.CharField(default='',			field=models.CharField(
	help_text='What the order is for; shown to the customer',			default='', help_text='What the order is for; shown to the customer', max_length=255
	max_length=255),			),
	preserve_default=False,			preserve_default=False,
	),			),
	migrations.RunPython(set_default_name, noop)			migrations.RunPython(set_default_name, noop),
	]			]