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8e7ce7cc79
This is a preparatory commit for using isort for sorting all of our imports, merging changes to files where we can easily review the changes as something we're happy with. These are also files with relatively little active development, which means we don't expect much merge conflict risk from these changes.
33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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# Generated by Django 1.11.18 on 2019-02-25 12:42
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from __future__ import unicode_literals
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from django.db import migrations
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from django.db.backends.postgresql_psycopg2.schema import DatabaseSchemaEditor
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from django.db.migrations.state import StateApps
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def backfill_first_message_id(apps: StateApps, schema_editor: DatabaseSchemaEditor) -> None:
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Stream = apps.get_model('zerver', 'Stream')
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Message = apps.get_model('zerver', 'Message')
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for stream in Stream.objects.all():
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first_message = Message.objects.filter(
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recipient__type_id=stream.id,
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recipient__type=2).first()
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if first_message is None:
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# No need to change anything if the outcome is the default of None
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continue
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stream.first_message_id = first_message.id
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stream.save()
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class Migration(migrations.Migration):
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dependencies = [
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('zerver', '0209_stream_first_message_id'),
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]
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operations = [
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migrations.RunPython(backfill_first_message_id,
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reverse_code=migrations.RunPython.noop),
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]
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