# Generated by Django 5.0 on 2025-12-15 15:39

import django.db.models.deletion
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ('notifications', '0001_initial'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Conversation',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('is_group', models.BooleanField(default=False)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('created_by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='conversations_created', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['-created_at'],
            },
        ),
        migrations.CreateModel(
            name='ConversationParticipant',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('joined_at', models.DateTimeField(auto_now_add=True)),
                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='participants', to='notifications.conversation')),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chat_memberships', to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.CreateModel(
            name='Message',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('body', models.TextField()),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('edited_at', models.DateTimeField(blank=True, null=True)),
                ('is_deleted', models.BooleanField(default=False)),
                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='messages', to='notifications.conversation')),
                ('sender', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chat_messages_sent', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'ordering': ['created_at'],
            },
        ),
        migrations.AddIndex(
            model_name='conversation',
            index=models.Index(fields=['-created_at'], name='notificatio_created_a41bef_idx'),
        ),
        migrations.AddIndex(
            model_name='conversationparticipant',
            index=models.Index(fields=['conversation', 'user'], name='notificatio_convers_101797_idx'),
        ),
        migrations.AlterUniqueTogether(
            name='conversationparticipant',
            unique_together={('conversation', 'user')},
        ),
        migrations.AddIndex(
            model_name='message',
            index=models.Index(fields=['conversation', 'created_at'], name='notificatio_convers_4129b3_idx'),
        ),
        migrations.AddIndex(
            model_name='message',
            index=models.Index(fields=['sender', '-created_at'], name='notificatio_sender__b8b977_idx'),
        ),
    ]