mirror of https://github.com/zulip/zulip.git
79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
# Generated by Django 1.11.4 on 2017-08-30 00:26
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import orjson
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from django.db import connection, migrations
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from django.db.backends.postgresql.schema import BaseDatabaseSchemaEditor
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from django.db.migrations.state import StateApps
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from psycopg2.sql import SQL
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def convert_muted_topics(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None:
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stream_query = SQL(
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"""
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SELECT
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zerver_stream.name,
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zerver_stream.realm_id,
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zerver_stream.id,
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zerver_recipient.id
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FROM
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zerver_stream
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INNER JOIN zerver_recipient ON (
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zerver_recipient.type_id = zerver_stream.id AND
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zerver_recipient.type = 2
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)
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"""
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)
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stream_dict = {}
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with connection.cursor() as cursor:
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cursor.execute(stream_query)
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rows = cursor.fetchall()
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for stream_name, realm_id, stream_id, recipient_id in rows:
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stream_name = stream_name.lower()
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stream_dict[(stream_name, realm_id)] = (stream_id, recipient_id)
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UserProfile = apps.get_model("zerver", "UserProfile")
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MutedTopic = apps.get_model("zerver", "MutedTopic")
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new_objs = []
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user_query = UserProfile.objects.values(
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"id",
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"realm_id",
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"muted_topics",
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)
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for row in user_query:
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user_profile_id = row["id"]
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realm_id = row["realm_id"]
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muted_topics = row["muted_topics"]
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tups = orjson.loads(muted_topics)
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for stream_name, topic_name in tups:
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stream_name = stream_name.lower()
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val = stream_dict.get((stream_name, realm_id))
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if val is not None:
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stream_id, recipient_id = val
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muted_topic = MutedTopic(
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user_profile_id=user_profile_id,
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stream_id=stream_id,
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recipient_id=recipient_id,
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topic_name=topic_name,
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)
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new_objs.append(muted_topic)
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with connection.cursor() as cursor:
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cursor.execute("DELETE from zerver_mutedtopic")
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MutedTopic.objects.bulk_create(new_objs)
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class Migration(migrations.Migration):
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dependencies = [
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("zerver", "0101_muted_topic"),
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]
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operations = [
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migrations.RunPython(convert_muted_topics, elidable=True),
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]
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