# Generated by Django 5.2.15 on 2026-07-02 07:09

from django.db import migrations, models


class Migration(migrations.Migration):

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

    operations = [
        migrations.CreateModel(
            name='ExchangeRate',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('currency', models.CharField(default='CNY', max_length=10)),
                ('points_per_unit', models.DecimalField(decimal_places=4, max_digits=12)),
                ('is_active', models.BooleanField(default=True)),
                ('effective_from', models.DateTimeField()),
                ('note', models.CharField(blank=True, max_length=255)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
            ],
            options={
                'db_table': 'exchange_rate',
                'ordering': ('-effective_from', '-id'),
                'indexes': [models.Index(fields=['currency', 'is_active', 'effective_from'], name='exchange_ra_currenc_d69abe_idx')],
                'constraints': [models.CheckConstraint(condition=models.Q(('points_per_unit__gt', 0)), name='exchange_rate_points_per_unit_positive')],
            },
        ),
        migrations.CreateModel(
            name='PricingRule',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('operation_type', models.CharField(choices=[('title', 'Generate title'), ('image', 'Generate image')], max_length=32)),
                ('alias', models.CharField(max_length=64)),
                ('resolution', models.CharField(blank=True, default='', help_text='Leave blank to apply to every resolution for this alias.', max_length=32)),
                ('points_cost', models.BigIntegerField()),
                ('is_active', models.BooleanField(default=True)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
            ],
            options={
                'db_table': 'pricing_rule',
                'ordering': ('operation_type', 'alias', 'resolution'),
                'indexes': [models.Index(fields=['operation_type', 'alias', 'is_active'], name='pricing_rul_operati_580547_idx'), models.Index(fields=['operation_type', 'alias', 'resolution', 'is_active'], name='pricing_rul_operati_52be66_idx')],
                'constraints': [models.UniqueConstraint(fields=('operation_type', 'alias', 'resolution'), name='unique_pricing_rule_per_alias_resolution'), models.CheckConstraint(condition=models.Q(('points_cost__gt', 0)), name='pricing_rule_points_cost_positive')],
            },
        ),
    ]