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e221a01638
This reverts commit 3645bb9225.
This change was incorrect, because the `is_zephyr_mirror_realm`
property on Realm is a property and thus isn't available in the
migration codebase.
Since this migration is only run for very old servers, this should
have no impact.
57 lines
2.3 KiB
Python
57 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import re
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from django.db import migrations, models
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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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attachment_url_re = re.compile(r'[/\-]user[\-_]uploads[/\.-].*?(?=[ )]|\Z)')
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def attachment_url_to_path_id(attachment_url: str) -> str:
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path_id_raw = re.sub(r'[/\-]user[\-_]uploads[/\.-]', '', attachment_url)
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# Remove any extra '.' after file extension. These are probably added by the user
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return re.sub('[.]+$', '', path_id_raw, re.M)
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def check_and_create_attachments(apps: StateApps,
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schema_editor: DatabaseSchemaEditor) -> None:
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STREAM = 2
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Message = apps.get_model('zerver', 'Message')
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Attachment = apps.get_model('zerver', 'Attachment')
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Stream = apps.get_model('zerver', 'Stream')
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for message in Message.objects.filter(has_attachment=True, attachment=None):
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attachment_url_list = attachment_url_re.findall(message.content)
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for url in attachment_url_list:
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path_id = attachment_url_to_path_id(url)
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user_profile = message.sender
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is_message_realm_public = False
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if message.recipient.type == STREAM:
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stream = Stream.objects.get(id=message.recipient.type_id)
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is_message_realm_public = not stream.invite_only and stream.realm.domain != "mit.edu"
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if path_id is not None:
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attachment = Attachment.objects.create(
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file_name=os.path.basename(path_id), path_id=path_id, owner=user_profile,
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realm=user_profile.realm, is_realm_public=is_message_realm_public)
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attachment.messages.add(message)
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class Migration(migrations.Migration):
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dependencies = [
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('zerver', '0040_realm_authentication_methods'),
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]
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operations = [
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# The TextField change was originally in the next migration,
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# but because it fixes a problem that causes the RunPython
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# part of this migration to crash, we've copied it here.
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migrations.AlterField(
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model_name='attachment',
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name='file_name',
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field=models.TextField(db_index=True),
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),
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migrations.RunPython(check_and_create_attachments)
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]
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