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weather/management/commands/__init__.py

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weather/management/commands/seed_weather_parameters.py

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+"""
+Management command to seed weather parameters.
+Run: python manage.py seed_weather_parameters
+"""
+from django.core.management.base import BaseCommand
+
+from weather.models import WeatherParameter
+
+
+INITIAL_PARAMETERS = [
+    ("temperature_min", "حداقل دمای هوا", "°C"),
+    ("temperature_max", "حداکثر دمای هوا", "°C"),
+    ("temperature_mean", "میانگین دمای هوا", "°C"),
+    ("precipitation", "مجموع بارش", "mm"),
+    ("precipitation_probability", "احتمال بارش", "%"),
+    ("humidity_mean", "میانگین رطوبت نسبی", "%"),
+    ("wind_speed_max", "حداکثر سرعت باد", "km/h"),
+    ("et0", "تبخیر-تعرق مرجع (ET₀)", "mm/day"),
+    ("weather_code", "کد وضعیت آب‌وهوا (WMO)", ""),
+]
+
+
+class Command(BaseCommand):
+    help = "Seed weather parameters (temperature, precipitation, ET0, etc.)"
+
+    def handle(self, *args, **options):
+        created_count = 0
+        for code, name_fa, unit in INITIAL_PARAMETERS:
+            _, created = WeatherParameter.objects.get_or_create(
+                code=code,
+                defaults={"name_fa": name_fa, "unit": unit},
+            )
+            if created:
+                created_count += 1
+                self.stdout.write(
+                    self.style.SUCCESS(f"  Created: {code} ({name_fa})")
+                )
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"\nDone. Created {created_count} new weather parameters."
+            )
+        )