zulip/zerver/migrations/0277_migrate_alert_word.py

52 lines
1.9 KiB
Python

from typing import Dict, List
import orjson
from django.db import migrations
from django.db.backends.postgresql.schema import BaseDatabaseSchemaEditor
from django.db.migrations.state import StateApps
def move_to_separate_table(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None:
UserProfile = apps.get_model("zerver", "UserProfile")
AlertWord = apps.get_model("zerver", "AlertWord")
for user_profile in UserProfile.objects.all():
list_of_words = orjson.loads(user_profile.alert_words)
# Remove duplicates with our case-insensitive model.
word_dict: Dict[str, str] = {}
for word in list_of_words:
word_dict[word.lower()] = word
AlertWord.objects.bulk_create(
AlertWord(user_profile=user_profile, word=word, realm=user_profile.realm)
for word in word_dict.values()
)
def move_back_to_user_profile(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None:
AlertWord = apps.get_model("zerver", "AlertWord")
UserProfile = apps.get_model("zerver", "UserProfile")
user_ids_and_words = AlertWord.objects.all().values("user_profile_id", "word")
user_ids_with_words: Dict[int, List[str]] = {}
for id_and_word in user_ids_and_words:
user_ids_with_words.setdefault(id_and_word["user_profile_id"], [])
user_ids_with_words[id_and_word["user_profile_id"]].append(id_and_word["word"])
for user_id, words in user_ids_with_words.items():
user_profile = UserProfile.objects.get(id=user_id)
user_profile.alert_words = orjson.dumps(words).decode()
user_profile.save(update_fields=["alert_words"])
class Migration(migrations.Migration):
dependencies = [
("zerver", "0276_alertword"),
]
operations = [
migrations.RunPython(move_to_separate_table, move_back_to_user_profile, elidable=True),
]