first commit

backend/apps/farms/migrations/0001_initial.py

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+# 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'),
+        ),
+    ]