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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 not stream.realm.is_zephyr_mirror_realm
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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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