Ai/location_data/migrations/0002_soildepthdata_refactor.py

# Generated manually: refactor to SoilDepthData table

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


class Migration(migrations.Migration):

    dependencies = [
        ("location_data", "0001_initial"),
    ]

    operations = [
        migrations.CreateModel(
            name="SoilDepthData",
            fields=[
                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
                (
                    "depth_label",
                    models.CharField(
                        choices=[
                            ("0-5cm", "۰–۵ سانتی‌متر"),
                            ("5-15cm", "۵–۱۵ سانتی‌متر"),
                            ("15-30cm", "۱۵–۳۰ سانتی‌متر"),
                        ],
                        db_index=True,
                        max_length=10,
                    ),
                ),
                ("bdod", models.FloatField(blank=True, null=True)),
                ("cec", models.FloatField(blank=True, null=True)),
                ("cfvo", models.FloatField(blank=True, null=True)),
                ("clay", models.FloatField(blank=True, null=True)),
                ("nitrogen", models.FloatField(blank=True, null=True)),
                ("ocd", models.FloatField(blank=True, null=True)),
                ("ocs", models.FloatField(blank=True, null=True)),
                ("phh2o", models.FloatField(blank=True, null=True)),
                ("sand", models.FloatField(blank=True, null=True)),
                ("silt", models.FloatField(blank=True, null=True)),
                ("soc", models.FloatField(blank=True, null=True)),
                ("wv0010", models.FloatField(blank=True, null=True)),
                ("wv0033", models.FloatField(blank=True, null=True)),
                ("wv1500", models.FloatField(blank=True, null=True)),
                ("created_at", models.DateTimeField(auto_now_add=True)),
                (
                    "soil_location",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="depths",
                        to="location_data.soillocation",
                    ),
                ),
            ],
            options={
                "ordering": ["soil_location", "depth_label"],
            },
        ),
        migrations.AddConstraint(
            model_name="soildepthdata",
            constraint=models.UniqueConstraint(
                fields=("soil_location", "depth_label"),
                name="soil_depth_unique_location_depth",
            ),
        ),
        migrations.RemoveField(
            model_name="soillocation",
            name="depth_0_5cm",
        ),
        migrations.RemoveField(
            model_name="soillocation",
            name="depth_5_15cm",
        ),
        migrations.RemoveField(
            model_name="soillocation",
            name="depth_15_30cm",
        ),
    ]