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59 lines
1.9 KiB
59 lines
1.9 KiB
# Generated by Django 2.2.13 on 2020-10-26 11:31
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from django.db import migrations, models
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def get_node_ancestor_keys(key, with_self=False):
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parent_keys = []
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key_list = key.split(":")
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if not with_self:
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key_list.pop()
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for i in range(len(key_list)):
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parent_keys.append(":".join(key_list))
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key_list.pop()
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return parent_keys
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def migrate_nodes_value_with_slash(apps, schema_editor):
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model = apps.get_model("assets", "Node")
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db_alias = schema_editor.connection.alias
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nodes = model.objects.using(db_alias).filter(value__contains='/')
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print('')
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print("- Start migrate node value if has /")
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for i, node in enumerate(list(nodes)):
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new_value = node.value.replace('/', '|')
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print("{} start migrate node value: {} => {}".format(i, node.value, new_value))
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node.value = new_value
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node.save()
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def migrate_nodes_full_value(apps, schema_editor):
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model = apps.get_model("assets", "Node")
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db_alias = schema_editor.connection.alias
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nodes = model.objects.using(db_alias).all()
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print("- Start migrate node full value")
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for i, node in enumerate(list(nodes)):
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print("{} start migrate {} node full value".format(i, node.value))
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ancestor_keys = get_node_ancestor_keys(node.key, True)
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values = model.objects.filter(key__in=ancestor_keys).values_list('key', 'value')
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values = [v for k, v in sorted(values, key=lambda x: len(x[0]))]
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node.full_value = '/' + '/'.join(values)
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node.save()
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class Migration(migrations.Migration):
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dependencies = [
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('assets', '0059_auto_20201027_1905'),
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]
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operations = [
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migrations.AddField(
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model_name='node',
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name='full_value',
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field=models.CharField(default='', max_length=4096, verbose_name='Full value'),
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),
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migrations.RunPython(migrate_nodes_value_with_slash),
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migrations.RunPython(migrate_nodes_full_value)
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]
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