feat(pricing): add workspace user rates and price units

apps/workspaces/management/commands/__init__.py

@@ -0,0 +1 @@
+

apps/workspaces/management/commands/populate_price_units.py

@@ -0,0 +1,44 @@
+from django.core.management.base import BaseCommand
+
+from apps.workspaces.models import PriceUnit
+
+
+PRICE_UNITS = [
+    {"code": "USD", "name": "US Dollar", "local_name": "دلار آمریکا", "symbol": "$"},
+    {"code": "EUR", "name": "Euro", "local_name": "یورو", "symbol": "€"},
+    {"code": "GBP", "name": "British Pound", "local_name": "پوند بریتانیا", "symbol": "£"},
+    {"code": "AED", "name": "UAE Dirham", "local_name": "درهم امارات", "symbol": "AED"},
+    {"code": "TRY", "name": "Turkish Lira", "local_name": "لیر ترکیه", "symbol": "₺"},
+    {"code": "IRR", "name": "Iranian Rial", "local_name": "ریال", "symbol": "ریال"},
+    {"code": "IRT", "name": "Iranian Toman", "local_name": "تومان", "symbol": "تومان"},
+]
+
+
+class Command(BaseCommand):
+    help = "Populate popular price units for workspace billing rates."
+
+    def handle(self, *args, **options):
+        created = 0
+        updated = 0
+
+        for payload in PRICE_UNITS:
+            unit, was_created = PriceUnit.all_objects.update_or_create(
+                code=payload["code"],
+                defaults={
+                    "name": payload["name"],
+                    "local_name": payload["local_name"],
+                    "symbol": payload["symbol"],
+                    "is_deleted": False,
+                    "deleted_at": None,
+                },
+            )
+            if was_created:
+                created += 1
+            else:
+                updated += 1
+
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"Price units populated. created={created} updated={updated}"
+            )
+        )