# Generated by Django 5.2.17 on 2026-08-18 08:01

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Cycle',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('total_days', models.IntegerField()),
                ('start_date', models.DateField()),
                ('end_date', models.DateField()),
                ('doc_in_weight', models.IntegerField()),
                ('doc_in_count', models.IntegerField()),
                ('status', models.CharField(choices=[('active', 'Active'), ('closed', 'Closed')], default='active', max_length=30)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
            ],
            options={
                'db_table': 'cycles',
                'ordering': ['-start_date'],
            },
        ),
        migrations.CreateModel(
            name='Flock',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('flock_name', models.CharField(max_length=30)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('cycle', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.RESTRICT, related_name='flock_set', to='farms.cycle')),
            ],
            options={
                'db_table': 'flock',
                'ordering': ['flock_name'],
            },
        ),
        migrations.AddField(
            model_name='cycle',
            name='flock',
            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='cycles', to='farms.flock'),
        ),
        migrations.CreateModel(
            name='Site',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('site_name', models.CharField(max_length=30)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sites', to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'db_table': 'sites',
                'ordering': ['site_name'],
            },
        ),
        migrations.CreateModel(
            name='Kandang',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('kandang_name', models.CharField(max_length=30)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('updated_at', models.DateTimeField(auto_now=True)),
                ('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='kandangs', to='farms.site')),
            ],
            options={
                'db_table': 'kandang',
                'ordering': ['kandang_name'],
            },
        ),
        migrations.AddField(
            model_name='cycle',
            name='kandang',
            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='cycles', to='farms.kandang'),
        ),
        migrations.AddConstraint(
            model_name='cycle',
            constraint=models.CheckConstraint(condition=models.Q(('end_date__gte', models.F('start_date'))), name='chk_cycles_date_range'),
        ),
    ]