zulip/zerver/migrations/0097_reactions_emoji_code.py

50 lines
2.0 KiB
Python

# Generated by Django 1.11.2 on 2017-06-18 21:26
import os
import ujson
from django.db import migrations, models
from django.db.backends.postgresql.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
def populate_new_fields(apps: StateApps, schema_editor: DatabaseSchemaEditor) -> None:
# Open the JSON file which contains the data to be used for migration.
MIGRATION_DATA_PATH = os.path.join(os.path.dirname(os.path.dirname(__file__)), "management", "data")
path_to_unified_reactions = os.path.join(MIGRATION_DATA_PATH, "unified_reactions.json")
unified_reactions = ujson.load(open(path_to_unified_reactions))
Reaction = apps.get_model('zerver', 'Reaction')
for reaction in Reaction.objects.all():
reaction.emoji_code = unified_reactions.get(reaction.emoji_name)
if reaction.emoji_code is None:
# If it's not present in the unified_reactions map, it's a realm emoji.
reaction.emoji_code = reaction.emoji_name
if reaction.emoji_name == 'zulip':
# `:zulip:` emoji is a zulip special custom emoji.
reaction.reaction_type = 'zulip_extra_emoji'
else:
reaction.reaction_type = 'realm_emoji'
reaction.save()
class Migration(migrations.Migration):
dependencies = [
('zerver', '0096_add_password_required'),
]
operations = [
migrations.AddField(
model_name='reaction',
name='emoji_code',
field=models.TextField(default='unset'),
preserve_default=False,
),
migrations.AddField(
model_name='reaction',
name='reaction_type',
field=models.CharField(choices=[('unicode_emoji', 'Unicode emoji'), ('realm_emoji', 'Custom emoji'), ('zulip_extra_emoji', 'Zulip extra emoji')], default='unicode_emoji', max_length=30),
),
migrations.RunPython(populate_new_fields,
reverse_code=migrations.RunPython.noop),
]