zulip/zerver/migrations/0001_initial.py

# Generated by Django 1.11.2 on 2017-06-22 10:22
import bitfield.models
import django.contrib.auth.models
import django.core.validators
import django.db.models.deletion
import django.utils.timezone
from django.conf import settings
from django.db import migrations, models
from django.db.backends.postgresql.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps

from zerver.models import generate_email_token_for_stream


def migrate_existing_attachment_data(apps: StateApps,
                                     schema_editor: DatabaseSchemaEditor) -> None:
    Attachment = apps.get_model('zerver', 'Attachment')
    Recipient = apps.get_model('zerver', 'Recipient')
    Stream = apps.get_model('zerver', 'Stream')

    attachments = Attachment.objects.all()
    for entry in attachments:
        owner = entry.owner
        entry.realm = owner.realm
        for message in entry.messages.all():
            if owner == message.sender:
                if message.recipient.type == Recipient.STREAM:
                    stream = Stream.objects.get(id=message.recipient.type_id)
                    is_realm_public = not stream.realm.is_zephyr_mirror_realm and not stream.invite_only
                    entry.is_realm_public = entry.is_realm_public or is_realm_public

        entry.save()

class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ('auth', '0001_initial'),
    ]

    if settings.POSTGRES_MISSING_DICTIONARIES:
        fts_sql = """
CREATE TEXT SEARCH CONFIGURATION zulip.english_us_search (COPY=pg_catalog.english);
"""
    else:
        fts_sql = """
CREATE TEXT SEARCH DICTIONARY english_us_hunspell
  (template = ispell, DictFile = en_us, AffFile = en_us, StopWords = zulip_english);
CREATE TEXT SEARCH CONFIGURATION zulip.english_us_search (COPY=pg_catalog.english);
ALTER TEXT SEARCH CONFIGURATION zulip.english_us_search
  ALTER MAPPING FOR asciiword, asciihword, hword_asciipart, word, hword, hword_part
  WITH english_us_hunspell, english_stem;
"""

    fts_sql += """

CREATE FUNCTION escape_html(text) RETURNS text IMMUTABLE LANGUAGE 'sql' AS $$
  SELECT replace(replace(replace(replace(replace($1, '&', '&amp;'), '<', '&lt;'),
                                 '>', '&gt;'), '"', '&quot;'), '''', '&#39;');
$$ ;

ALTER TABLE zerver_message ADD COLUMN search_tsvector tsvector;
CREATE INDEX zerver_message_search_tsvector ON zerver_message USING gin(search_tsvector);
ALTER INDEX zerver_message_search_tsvector SET (fastupdate = OFF);

CREATE TABLE fts_update_log (id SERIAL PRIMARY KEY, message_id INTEGER NOT NULL);
CREATE FUNCTION do_notify_fts_update_log() RETURNS trigger LANGUAGE plpgsql AS
  $$ BEGIN NOTIFY fts_update_log; RETURN NEW; END $$;
CREATE TRIGGER fts_update_log_notify AFTER INSERT ON fts_update_log
  FOR EACH STATEMENT EXECUTE PROCEDURE do_notify_fts_update_log();
CREATE FUNCTION append_to_fts_update_log() RETURNS trigger LANGUAGE plpgsql AS
  $$ BEGIN INSERT INTO fts_update_log (message_id) VALUES (NEW.id); RETURN NEW; END $$;
CREATE TRIGGER zerver_message_update_search_tsvector_async
  BEFORE INSERT OR UPDATE OF subject, rendered_content ON zerver_message
  FOR EACH ROW EXECUTE PROCEDURE append_to_fts_update_log();
"""
    operations = [
        migrations.CreateModel(
            name='UserProfile',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('password', models.CharField(max_length=128, verbose_name='password')),
                ('last_login', models.DateTimeField(default=django.utils.timezone.now, verbose_name='last login')),
                ('is_superuser', models.BooleanField(default=False, help_text='Designates that this user has all permissions without explicitly assigning them.', verbose_name='superuser status')),
                ('email', models.EmailField(db_index=True, max_length=75, unique=True)),
                ('is_staff', models.BooleanField(default=False)),
                ('is_active', models.BooleanField(default=True)),
                ('is_bot', models.BooleanField(default=False)),
                ('date_joined', models.DateTimeField(default=django.utils.timezone.now)),
                ('is_mirror_dummy', models.BooleanField(default=False)),
                ('full_name', models.CharField(max_length=100)),
                ('short_name', models.CharField(max_length=100)),
                ('pointer', models.IntegerField()),
                ('last_pointer_updater', models.CharField(max_length=64)),
                ('api_key', models.CharField(max_length=32)),
                ('enable_stream_desktop_notifications', models.BooleanField(default=True)),
                ('enable_stream_sounds', models.BooleanField(default=True)),
                ('enable_desktop_notifications', models.BooleanField(default=True)),
                ('enable_sounds', models.BooleanField(default=True)),
                ('enable_offline_email_notifications', models.BooleanField(default=True)),
                ('enable_offline_push_notifications', models.BooleanField(default=True)),
                ('enable_digest_emails', models.BooleanField(default=True)),
                ('default_desktop_notifications', models.BooleanField(default=True)),
                ('last_reminder', models.DateTimeField(default=django.utils.timezone.now, null=True)),
                ('rate_limits', models.CharField(default='', max_length=100)),
                ('default_all_public_streams', models.BooleanField(default=False)),
                ('enter_sends', models.NullBooleanField(default=True)),
                ('autoscroll_forever', models.BooleanField(default=False)),
                ('twenty_four_hour_time', models.BooleanField(default=False)),
                ('avatar_source', models.CharField(choices=[('G', 'Hosted by Gravatar'), ('U', 'Uploaded by user'), ('S', 'System generated')], default='G', max_length=1)),
                ('tutorial_status', models.CharField(choices=[('W', 'Waiting'), ('S', 'Started'), ('F', 'Finished')], default='W', max_length=1)),
                ('onboarding_steps', models.TextField(default='[]')),
                ('invites_granted', models.IntegerField(default=0)),
                ('invites_used', models.IntegerField(default=0)),
                ('alert_words', models.TextField(default='[]')),
                ('muted_topics', models.TextField(default='[]')),
                ('bot_owner', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'abstract': False,
            },
        ),
        migrations.CreateModel(
            name='Client',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(db_index=True, max_length=30, unique=True)),
            ],
        ),
        migrations.CreateModel(
            name='DefaultStream',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
            ],
        ),
        migrations.CreateModel(
            name='Huddle',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('huddle_hash', models.CharField(db_index=True, max_length=40, unique=True)),
            ],
        ),
        migrations.CreateModel(
            name='Message',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('subject', models.CharField(db_index=True, max_length=60)),
                ('content', models.TextField()),
                ('rendered_content', models.TextField(null=True)),
                ('rendered_content_version', models.IntegerField(null=True)),
                ('pub_date', models.DateTimeField(db_index=True, verbose_name='date published')),
                ('last_edit_time', models.DateTimeField(null=True)),
                ('edit_history', models.TextField(null=True)),
                ('has_attachment', models.BooleanField(db_index=True, default=False)),
                ('has_image', models.BooleanField(db_index=True, default=False)),
                ('has_link', models.BooleanField(db_index=True, default=False)),
            ],
        ),
        migrations.CreateModel(
            name='PreregistrationUser',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('email', models.EmailField(max_length=75)),
                ('invited_at', models.DateTimeField(auto_now=True)),
                ('status', models.IntegerField(default=0)),
            ],
        ),
        migrations.CreateModel(
            name='PushDeviceToken',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('kind', models.PositiveSmallIntegerField(choices=[(1, 'apns'), (2, 'gcm')])),
                ('token', models.CharField(max_length=4096, unique=True)),
                ('last_updated', models.DateTimeField(auto_now=True, default=django.utils.timezone.now)),
                ('ios_app_id', models.TextField(null=True)),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='Realm',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('domain', models.CharField(db_index=True, max_length=40, unique=True)),
                ('name', models.CharField(max_length=40, null=True)),
                ('restricted_to_domain', models.BooleanField(default=True)),
                ('invite_required', models.BooleanField(default=False)),
                ('invite_by_admins_only', models.BooleanField(default=False)),
                ('mandatory_topics', models.BooleanField(default=False)),
                ('show_digest_email', models.BooleanField(default=True)),
                ('name_changes_disabled', models.BooleanField(default=False)),
                ('date_created', models.DateTimeField(default=django.utils.timezone.now)),
                ('deactivated', models.BooleanField(default=False)),
            ],
            options={
                'permissions': (('administer', 'Administer a realm'),),
            },
        ),
        migrations.CreateModel(
            name='RealmAlias',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('domain', models.CharField(db_index=True, max_length=80, unique=True)),
                ('realm', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm')),
            ],
        ),
        migrations.CreateModel(
            name='RealmEmoji',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.TextField()),
                ('img_url', models.TextField()),
                ('realm', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm')),
            ],
        ),
        migrations.CreateModel(
            name='RealmFilter',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('pattern', models.TextField()),
                ('url_format_string', models.TextField()),
                ('realm', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm')),
            ],
        ),
        migrations.CreateModel(
            name='Recipient',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('type_id', models.IntegerField(db_index=True)),
                ('type', models.PositiveSmallIntegerField(db_index=True)),
            ],
        ),
        migrations.CreateModel(
            name='Referral',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('email', models.EmailField(max_length=75)),
                ('timestamp', models.DateTimeField(auto_now_add=True)),
                ('user_profile', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='ScheduledJob',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('scheduled_timestamp', models.DateTimeField()),
                ('type', models.PositiveSmallIntegerField()),
                ('data', models.TextField()),
                ('filter_id', models.IntegerField(null=True)),
                ('filter_string', models.CharField(max_length=100)),
            ],
        ),
        migrations.CreateModel(
            name='Stream',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(db_index=True, max_length=60)),
                ('invite_only', models.NullBooleanField(default=False)),
                ('email_token', models.CharField(default=generate_email_token_for_stream, max_length=32)),
                ('description', models.CharField(default='', max_length=1024)),
                ('date_created', models.DateTimeField(default=django.utils.timezone.now)),
                ('deactivated', models.BooleanField(default=False)),
                ('realm', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm')),
            ],
        ),
        migrations.CreateModel(
            name='Subscription',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('active', models.BooleanField(default=True)),
                ('in_home_view', models.NullBooleanField(default=True)),
                ('color', models.CharField(default='#c2c2c2', max_length=10)),
                ('desktop_notifications', models.BooleanField(default=True)),
                ('audible_notifications', models.BooleanField(default=True)),
                ('notifications', models.BooleanField(default=False)),
                ('recipient', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Recipient')),
                ('user_profile', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='UserActivity',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('query', models.CharField(db_index=True, max_length=50)),
                ('count', models.IntegerField()),
                ('last_visit', models.DateTimeField(verbose_name='last visit')),
                ('client', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Client')),
                ('user_profile', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='UserActivityInterval',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('start', models.DateTimeField(db_index=True, verbose_name='start time')),
                ('end', models.DateTimeField(db_index=True, verbose_name='end time')),
                ('user_profile', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='UserMessage',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('flags', bitfield.models.BitField(['read', 'starred', 'collapsed', 'mentioned', 'wildcard_mentioned', 'summarize_in_home', 'summarize_in_stream', 'force_expand', 'force_collapse', 'has_alert_word', 'historical', 'is_me_message'], default=0)),
                ('message', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Message')),
                ('user_profile', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='UserPresence',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('timestamp', models.DateTimeField(verbose_name='presence changed')),
                ('status', models.PositiveSmallIntegerField(default=1)),
                ('client', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Client')),
                ('user_profile', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.AlterUniqueTogether(
            name='userpresence',
            unique_together={('user_profile', 'client')},
        ),
        migrations.AlterUniqueTogether(
            name='usermessage',
            unique_together={('user_profile', 'message')},
        ),
        migrations.AlterUniqueTogether(
            name='useractivity',
            unique_together={('user_profile', 'client', 'query')},
        ),
        migrations.AlterUniqueTogether(
            name='subscription',
            unique_together={('user_profile', 'recipient')},
        ),
        migrations.AlterUniqueTogether(
            name='stream',
            unique_together={('name', 'realm')},
        ),
        migrations.AlterUniqueTogether(
            name='recipient',
            unique_together={('type', 'type_id')},
        ),
        migrations.AlterUniqueTogether(
            name='realmfilter',
            unique_together={('realm', 'pattern')},
        ),
        migrations.AlterUniqueTogether(
            name='realmemoji',
            unique_together={('realm', 'name')},
        ),
        migrations.AddField(
            model_name='realm',
            name='notifications_stream',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='zerver.Stream'),
        ),
        migrations.AddField(
            model_name='preregistrationuser',
            name='realm',
            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm'),
        ),
        migrations.AddField(
            model_name='preregistrationuser',
            name='referred_by',
            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='preregistrationuser',
            name='streams',
            field=models.ManyToManyField(null=True, to='zerver.Stream'),
        ),
        migrations.AddField(
            model_name='message',
            name='recipient',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Recipient'),
        ),
        migrations.AddField(
            model_name='message',
            name='sender',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='message',
            name='sending_client',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Client'),
        ),
        migrations.AddField(
            model_name='defaultstream',
            name='realm',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm'),
        ),
        migrations.AddField(
            model_name='defaultstream',
            name='stream',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Stream'),
        ),
        migrations.AlterUniqueTogether(
            name='defaultstream',
            unique_together={('realm', 'stream')},
        ),
        migrations.AddField(
            model_name='userprofile',
            name='default_events_register_stream',
            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='zerver.Stream'),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='default_sending_stream',
            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='zerver.Stream'),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='groups',
            field=models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.Group', verbose_name='groups'),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='realm',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm'),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='user_permissions',
            field=models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.Permission', verbose_name='user permissions'),
        ),
        migrations.RunSQL(
            sql=fts_sql,
        ),
        migrations.AlterModelManagers(
            name='userprofile',
            managers=[
                ('objects', django.contrib.auth.models.UserManager()),
            ],
        ),
        migrations.AlterField(
            model_name='preregistrationuser',
            name='email',
            field=models.EmailField(max_length=254),
        ),
        migrations.AlterField(
            model_name='preregistrationuser',
            name='streams',
            field=models.ManyToManyField(to='zerver.Stream'),
        ),
        migrations.AlterField(
            model_name='pushdevicetoken',
            name='last_updated',
            field=models.DateTimeField(auto_now=True),
        ),
        migrations.AlterField(
            model_name='referral',
            name='email',
            field=models.EmailField(max_length=254),
        ),
        migrations.AlterField(
            model_name='userprofile',
            name='email',
            field=models.EmailField(db_index=True, max_length=254, unique=True),
        ),
        migrations.AlterField(
            model_name='userprofile',
            name='last_login',
            field=models.DateTimeField(blank=True, null=True, verbose_name='last login'),
        ),
        migrations.RunSQL(
            sql='CREATE INDEX upper_subject_idx ON zerver_message ((upper(subject)));',
            reverse_sql='DROP INDEX upper_subject_idx;',
        ),
        migrations.RunSQL(
            sql='CREATE INDEX upper_stream_name_idx ON zerver_stream ((upper(name)));',
            reverse_sql='DROP INDEX upper_stream_name_idx;',
        ),
        migrations.AddField(
            model_name='userprofile',
            name='left_side_userlist',
            field=models.BooleanField(default=False),
        ),
        migrations.AlterModelOptions(
            name='realm',
            options={'permissions': (('administer', 'Administer a realm'), ('api_super_user', 'Can send messages as other users for mirroring'))},
        ),
        migrations.RunSQL(
            sql='CREATE INDEX upper_userprofile_email_idx ON zerver_userprofile ((upper(email)));',
            reverse_sql='DROP INDEX upper_userprofile_email_idx;',
        ),
        migrations.AlterField(
            model_name='userprofile',
            name='is_active',
            field=models.BooleanField(db_index=True, default=True),
        ),
        migrations.AlterField(
            model_name='userprofile',
            name='is_bot',
            field=models.BooleanField(db_index=True, default=False),
        ),
        migrations.RunSQL(
            sql='CREATE INDEX upper_preregistration_email_idx ON zerver_preregistrationuser ((upper(email)));',
            reverse_sql='DROP INDEX upper_preregistration_email_idx;',
        ),
        migrations.AlterField(
            model_name='userprofile',
            name='enable_stream_desktop_notifications',
            field=models.BooleanField(default=False),
        ),
        migrations.AlterField(
            model_name='userprofile',
            name='enable_stream_sounds',
            field=models.BooleanField(default=False),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='is_api_super_user',
            field=models.BooleanField(db_index=True, default=False),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='is_realm_admin',
            field=models.BooleanField(db_index=True, default=False),
        ),
        migrations.AlterField(
            model_name='realmemoji',
            name='img_url',
            field=models.URLField(),
        ),
        migrations.AlterField(
            model_name='realmemoji',
            name='name',
            field=models.TextField(validators=[django.core.validators.MinLengthValidator(1), django.core.validators.RegexValidator(regex='^[0-9a-zA-Z.\\-_]+(?<![.\\-_])$')]),
        ),
        migrations.AlterField(
            model_name='realmemoji',
            name='img_url',
            field=models.URLField(max_length=1000),
        ),
        migrations.CreateModel(
            name='Attachment',
            fields=[
                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('file_name', models.CharField(db_index=True, max_length=100)),
                ('path_id', models.TextField(db_index=True)),
                ('create_time', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
                ('messages', models.ManyToManyField(to='zerver.Message')),
                ('owner', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
                ('is_realm_public', models.BooleanField(default=False)),
            ],
        ),
        migrations.AddField(
            model_name='realm',
            name='create_stream_by_admins_only',
            field=models.BooleanField(default=False),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='bot_type',
            field=models.PositiveSmallIntegerField(db_index=True, null=True),
        ),
        migrations.AlterField(
            model_name='realmemoji',
            name='name',
            field=models.TextField(validators=[django.core.validators.MinLengthValidator(1), django.core.validators.RegexValidator(message='Invalid characters in emoji name', regex='^[0-9a-zA-Z.\\-_]+(?<![.\\-_])$')]),
        ),
        migrations.AddField(
            model_name='preregistrationuser',
            name='realm_creation',
            field=models.BooleanField(default=False),
        ),
        migrations.AddField(
            model_name='attachment',
            name='realm',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='zerver.Realm'),
        ),
        migrations.RunPython(
            code=migrate_existing_attachment_data,
            elidable=True,
        ),
        migrations.AddField(
            model_name='subscription',
            name='pin_to_top',
            field=models.BooleanField(default=False),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='default_language',
            field=models.CharField(default='en', max_length=50),
        ),
        migrations.AddField(
            model_name='realm',
            name='allow_message_editing',
            field=models.BooleanField(default=True),
        ),
        migrations.AddField(
            model_name='realm',
            name='message_content_edit_limit_seconds',
            field=models.IntegerField(default=600),
        ),
        migrations.AddField(
            model_name='realm',
            name='default_language',
            field=models.CharField(default='en', max_length=50),
        ),
        migrations.AddField(
            model_name='userprofile',
            name='tos_version',
            field=models.CharField(max_length=10, null=True),
        ),
    ]