add: add filter for party list

core/apps/orders/filters/party.py

@@ -33,13 +33,38 @@ class PartyFilter(django_filters.FilterSet):
     order_start_date = django_filters.DateFilter(field_name='order_date', lookup_expr='gte')
     order_end_date = django_filters.DateFilter(field_name='order_date', lookup_expr='lte')
 
+    # total price filter (range) 
+    min_price = django_filters.NumberFilter(field_name='party_amount__total_price', lookup_expr='gte')
+    max_price = django_filters.NumberFilter(field_name='party_amount__total_price', lookup_expr='lte')
+    
+    # qqs and discount
+    qqs = django_filters.BooleanFilter(method='filter_by_qqs')
+    discount = django_filters.BooleanFilter(method='filter_by_discount')
+
+    # payment_type
+    payment_type = django_filters.UUIDFilter(field_name='expences__payment_type')
+
     class Meta:
         model = Party
         fields = [
             'status', 'payment_status', 'confirmation',
             'orders__wherehouse', 'orders__project', 'orders__project_folder',
-            'mediator', 'orders__counterparty',
+            'mediator', 'orders__counterparty', 'min_price', 'max_price',
+            'qqs', 'discount', 'payment_type'
         ]
+    
+    def filter_by_qqs(self, queryset, name, value):
+        if value == True:
+            queryset = queryset.filter(orders__qqs__isnull=True)
+            return queryset
+        else:
+            return queryset
+    
+    def filter_by_discount(self, queryset, name, value):
+        if value == True:
+            return queryset.filter(discount__isnull=True)
+        else:
+            return queryset
 
     def filter_by_delivery_date(self, queryset, name, value):
         today = now().date()

core/apps/orders/migrations/0026_alter_order_qqs_alter_order_qqs_price_and_more.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.4 on 2025-09-29 14:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0025_alter_offer_status'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='order',
+            name='qqs',
+            field=models.PositiveBigIntegerField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='order',
+            name='qqs_price',
+            field=models.PositiveBigIntegerField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='party',
+            name='discount',
+            field=models.PositiveBigIntegerField(blank=True, null=True),
+        ),
+    ]

core/apps/orders/models/order.py

@@ -44,10 +44,10 @@ class Order(BaseModel):
         choices=[('uzs', 'uzs'), ('usd', 'usd')], default='uzs', null=True, blank=True, max_length=3
     )
     total_price = models.PositiveBigIntegerField(default=0, null=True, blank=True)
-    qqs_price = models.PositiveBigIntegerField(default=0, null=True, blank=True)
+    qqs_price = models.PositiveBigIntegerField(null=True, blank=True)
     amount = models.PositiveBigIntegerField(default=0, null=True, blank=True)
-    qqs = models.PositiveBigIntegerField(default=0, null=True, blank=True)
+    qqs = models.PositiveBigIntegerField(null=True, blank=True)
-    
+
     def __str__(self):
         return f"{self.product} {self.unity} quantity order"
     

core/apps/orders/models/party.py

@@ -50,7 +50,7 @@ class Party(BaseModel):
         null=True, blank=True
     )
     audit_comment = models.TextField(null=True, blank=True)
-    discount = models.PositiveBigIntegerField(default=0, null=True, blank=True)
+    discount = models.PositiveBigIntegerField(null=True, blank=True)
     discount_currency = models.CharField(
         max_length=3, choices=[('uzs', 'uzs'), ('usd', 'usd')], default='uzs', null=True, blank=True
     )