change order list serialzier class

core/apps/orders/admin/order.py

@@ -5,5 +5,4 @@ from core.apps.orders.models import Order
 
 @admin.register(Order)
 class OrderAdmin(admin.ModelAdmin):
-    list_display = ['quantity', 'product', 'unity', 'project', 'wherehouse']
+    list_display = ['unity', 'project', 'wherehouse', 'currency']
-    list_display = ['unity', 'project', 'wherehouse']

core/apps/orders/apps.py

@@ -7,4 +7,4 @@ class OrdersConfig(AppConfig):
 
     def ready(self):
         from . import admin 
-        
+        from . import signals        

core/apps/orders/migrations/0021_party_currency.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.4 on 2025-08-23 11:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0020_party_discount_currency'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='party',
+            name='currency',
+            field=models.CharField(choices=[('usd', 'usd'), ('uzs', 'uzs')], default='uzs', max_length=3),
+        ),
+    ]

core/apps/orders/models/party.py

@@ -39,6 +39,7 @@ class Party(BaseModel):
     status = models.CharField(max_length=20, choices=STATUS, default='NEW')
     payment_status = models.CharField(max_length=20, choices=PAYMENT_STATUS, default='NOT_PAID')
     confirmation = models.CharField(max_length=20, choices=CONFIRMATION, default='EXPECTED')
+    currency = models.CharField(choices=[('usd', 'usd'), ('uzs', 'uzs')], max_length=3, default='uzs')
     # percentages
     payment_percentage = models.FloatField(null=True, blank=True)
     process = models.FloatField(null=True, blank=True)

core/apps/orders/serializers/order.py

@@ -92,12 +92,13 @@ class OrderListSerializer(serializers.ModelSerializer):
     wherehouse = WhereHouseListSerializer()
     project_folder = ProjectFolderListSerializer()
     employee = serializers.SerializerMethodField(method_name='get_employee')
+    counterparty = serializers.SerializerMethodField(method_name='get_counterparty')
 
     class Meta:
         model = Order
         fields = [
             'id', 'product', 'unity', 'quantity', 'project', 'project_folder',
-            'wherehouse', 'date', 'status', 'employee'
+            'wherehouse', 'date', 'status', 'employee', 'counterparty'
         ]
 
     def get_employee(self, obj):
@@ -107,6 +108,12 @@ class OrderListSerializer(serializers.ModelSerializer):
             "phone_number": obj.employee.phone_number
         } if obj.employee else None
 
+    def get_counterparty(self, obj):
+        return {
+            'id': obj.counterparty.id,
+            'name': obj.counterparty.name,
+        } if obj.counterparty else None
+
 
 class OrderUpdateSerializer(serializers.ModelSerializer):
     class Meta:

core/apps/orders/signals/__init__.py

@@ -0,0 +1 @@
+from .party import *

core/apps/orders/signals/party.py

@@ -0,0 +1,36 @@
+from django.db.models.signals import m2m_changed, post_save
+from django.dispatch import receiver
+
+from core.apps.orders.models.party import Party, PartyAmount
+
+
+# @receiver(m2m_changed, sender=Party)
+# def change_party_currency(sender, instance, action, **kwargs):
+#     currencies = set(instance.orders.values_list("currency", flat=True))
+#     print(instance.orders)
+#     for order in instance.orders.all():
+#         print(order.currency)
+#     print(currencies)
+#     if "usd" in currencies and "uzs" in currencies:
+#         instance.currency = "uzs"
+#     elif currencies == {"usd"}:
+#         instance.currency = "usd"
+#     elif currencies == {"uzs"}:
+#         instance.currency = "uzs"
+#     instance.save()
+
+
+# @receiver(post_save, sender=Party)
+# def change_party_currency(sender, instance, created, **kwargs):
+#     currencies = set()
+#     for order in instance.orders.all():
+#         currencies.add(order.currency)
+#         print(order.currency)
+#     if "usd" in currencies and "uzs" in currencies:
+#         instance.currency = "uzs"
+#     elif currencies == {"usd"}:
+#         instance.currency = "usd"
+#     elif currencies == {"uzs"}:
+#         instance.currency = "uzs"
+    
+#     instance.save(update_fields=["currency"])

core/apps/shared/admin/__init__.py

@@ -1 +1,2 @@
 from .region import *
+from .usd_course import *

core/apps/shared/admin/usd_course.py

@@ -0,0 +1,23 @@
+from django.contrib import admin
+from django.http import HttpResponseRedirect
+from django.urls import reverse 
+
+from core.apps.shared.models import UsdCourse
+
+
+@admin.register(UsdCourse)
+class UsdCourseAdmin(admin.ModelAdmin):
+    def has_add_permission(self, request):
+        return not UsdCourse.objects.exists()
+    
+    def has_delete_permission(self, request, obj = ...):
+        return False
+
+    def changelist_view(self, request, extra_context=None):
+        config, created = UsdCourse.objects.get_or_create(
+            defaults=dict(
+                value=0
+            )
+        )
+        url = reverse("admin:shared_usdcourse_change", args=[config.id])
+        return HttpResponseRedirect(url)

core/apps/shared/migrations/0002_usdcourse.py

@@ -0,0 +1,27 @@
+# Generated by Django 5.2.4 on 2025-08-23 11:35
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shared', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UsdCourse',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('value', models.PositiveBigIntegerField()),
+            ],
+            options={
+                'verbose_name': 'dollar kursi',
+                'verbose_name_plural': 'dollar kursi',
+            },
+        ),
+    ]

core/apps/shared/models/__init__.py

@@ -1,2 +1,3 @@
 from .base import BaseModel
 from .region import *
+from .usd_course import *

core/apps/shared/models/usd_course.py

@@ -0,0 +1,12 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+
+
+class UsdCourse(BaseModel):
+    value = models.PositiveBigIntegerField()
+
+    class Meta:
+        verbose_name = 'dollar kursi'
+        verbose_name_plural = 'dollar kursi'
+