Ai/weather/migrations/0001_initial.py

# Generated manually for weather

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


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ("location_data", "0002_soildepthdata_refactor"),
    ]

    operations = [
        # ── WeatherParameter ──
        migrations.CreateModel(
            name="WeatherParameter",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "code",
                    models.CharField(
                        db_index=True,
                        help_text="کد یکتا (مثلاً temperature_max)",
                        max_length=64,
                        unique=True,
                    ),
                ),
                (
                    "name_fa",
                    models.CharField(
                        help_text="نام فارسی",
                        max_length=128,
                    ),
                ),
                (
                    "unit",
                    models.CharField(
                        blank=True,
                        help_text="واحد اندازه‌گیری",
                        max_length=32,
                    ),
                ),
                ("created_at", models.DateTimeField(auto_now_add=True)),
            ],
            options={
                "ordering": ["code"],
                "verbose_name": "پارامتر هواشناسی",
                "verbose_name_plural": "پارامترهای هواشناسی",
            },
        ),
        # ── WeatherForecast ──
        migrations.CreateModel(
            name="WeatherForecast",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                (
                    "location",
                    models.ForeignKey(
                        help_text="موقعیت مکانی مرتبط از جدول SoilLocation",
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="weather_forecasts",
                        to="location_data.soillocation",
                    ),
                ),
                (
                    "forecast_date",
                    models.DateField(
                        db_index=True,
                        help_text="تاریخ پیش‌بینی",
                    ),
                ),
                (
                    "temperature_min",
                    models.FloatField(
                        blank=True,
                        help_text="حداقل دمای هوا (°C)",
                        null=True,
                    ),
                ),
                (
                    "temperature_max",
                    models.FloatField(
                        blank=True,
                        help_text="حداکثر دمای هوا (°C)",
                        null=True,
                    ),
                ),
                (
                    "temperature_mean",
                    models.FloatField(
                        blank=True,
                        help_text="میانگین دمای هوا (°C)",
                        null=True,
                    ),
                ),
                (
                    "precipitation",
                    models.FloatField(
                        blank=True,
                        help_text="مجموع بارش (mm)",
                        null=True,
                    ),
                ),
                (
                    "precipitation_probability",
                    models.FloatField(
                        blank=True,
                        help_text="احتمال بارش (%)",
                        null=True,
                    ),
                ),
                (
                    "humidity_mean",
                    models.FloatField(
                        blank=True,
                        help_text="میانگین رطوبت نسبی (%)",
                        null=True,
                    ),
                ),
                (
                    "wind_speed_max",
                    models.FloatField(
                        blank=True,
                        help_text="حداکثر سرعت باد (km/h)",
                        null=True,
                    ),
                ),
                (
                    "et0",
                    models.FloatField(
                        blank=True,
                        help_text="تبخیر-تعرق مرجع (ET₀) — mm/day",
                        null=True,
                    ),
                ),
                (
                    "weather_code",
                    models.IntegerField(
                        blank=True,
                        help_text="کد وضعیت آب‌وهوا (WMO code)",
                        null=True,
                    ),
                ),
                (
                    "fetched_at",
                    models.DateTimeField(
                        auto_now=True,
                        help_text="آخرین زمان واکشی از API",
                    ),
                ),
                ("created_at", models.DateTimeField(auto_now_add=True)),
            ],
            options={
                "ordering": ["location", "forecast_date"],
                "verbose_name": "پیش‌بینی هواشناسی",
                "verbose_name_plural": "پیش‌بینی‌های هواشناسی",
            },
        ),
        migrations.AddConstraint(
            model_name="weatherforecast",
            constraint=models.UniqueConstraint(
                fields=("location", "forecast_date"),
                name="weather_unique_location_date",
            ),
        ),
    ]