signal of address and some model udapte send address filed of an order

backend/order/admin.py

@@ -1,7 +1,7 @@
 from django.contrib import admin, messages
 from .models import *
 from unfold.admin import TabularInline, StackedInline
-
+from django.db.models import Q
 from import_export.admin import ImportExportModelAdmin
 from unfold.contrib.import_export.forms import ExportForm, ImportForm, SelectableFieldsExportForm
 from unfold.contrib.forms.widgets import ArrayWidget, WysiwygWidget
@@ -47,11 +47,11 @@ class BankRecordInline(StackedInline):
 class OrderAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm
     export_form_class = ExportForm
-    search_fields = ['order_id', 'user__phone', 'user__first_name', 'user__last_name', 'user__email']
+    search_fields = ['user__phone', 'user__first_name', 'user__last_name', 'user__email']
     list_filter = ['is_paid', 'status']
     actions_list = ['redirect_to_learn', 'udpate_bank_status']
     list_display = ['order_id', 'user', 'is_paid', 'status', 'discount_code', 'address',]
-    readonly_fields = ('created_at', 'order_id', 'tax', 'final_price', 'cart_total', 'discount', 'discount_code', 'user', 'address', 'is_paid')
+    readonly_fields = ('created_at', 'tax', 'final_price', 'cart_total', 'discount_amount', 'discount_code', 'user', 'address', 'is_paid')
     compressed_fields = True
     warn_unsaved_form = True
     # exclude = ('bank_records',)
@@ -61,19 +61,21 @@ class OrderAdmin(ModelAdmin, ImportExportModelAdmin):
         }
     }
     inlines = [OrderItemModelInline, BankRecordInline]
-    # def bank_links(self, obj):
-    #     banks = obj.bank_records.all() 
+    def order_id(self, obj):
+        return f"سفارش {obj.pk + 1000}"
+    order_id.short_description = "شماره سفارش"
 
-    #     if not banks.exists():
-    #         return "-"
 
-    #     return format_html_join(
-    #         "",  
-    #         '<a style="padding-bottom:10px;display:block;" href="/secret-admin/azbankgateways/bank/{}/change/" class="text-primary-600 dark:text-primary-500">{}</a>',
-    #         [(bank.id, bank.tracking_code) for bank in banks]
-    #     ) or "-"
 
-    # bank_links.short_description = "Bank Records"
+    def get_search_results(self, request, queryset, search_term):
+        queryset, use_distinct = super().get_search_results(request, queryset, search_term)
+        
+
+        if search_term.isdigit():
+            order_id_search = int(search_term) - 1000  
+            queryset |= self.model.objects.filter(Q(pk=order_id_search))
+        
+        return queryset, use_distinct
 
     @action(description='اپدیت وضعیت رکورد های بانکی')
     def udpate_bank_status(self, request):

backend/order/migrations/0026_alter_orderitemmodel_discount_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.1.2 on 2025-03-29 13:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0025_alter_ordermodel_order_id'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='orderitemmodel',
+            name='discount',
+            field=models.SmallIntegerField(verbose_name='درصد تخفیف'),
+        ),
+        migrations.AlterField(
+            model_name='orderitemmodel',
+            name='price',
+            field=models.PositiveIntegerField(verbose_name='قیمت'),
+        ),
+    ]

backend/order/migrations/0027_rename_discount_orderitemmodel_discount_percent_and_more.py

@@ -0,0 +1,32 @@
+# Generated by Django 5.1.2 on 2025-03-30 15:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0026_alter_orderitemmodel_discount_and_more'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='orderitemmodel',
+            old_name='discount',
+            new_name='discount_percent',
+        ),
+        migrations.RenameField(
+            model_name='ordermodel',
+            old_name='discount',
+            new_name='discount_amount',
+        ),
+        migrations.RemoveField(
+            model_name='ordermodel',
+            name='order_id',
+        ),
+        migrations.AlterField(
+            model_name='ordermodel',
+            name='status',
+            field=models.CharField(choices=[('CART', 'در سبد خرید'), ('ADMIN_PENDING', 'در انتظار تایید'), ('PENDING', 'درحال پردازش'), ('POSTED', 'ارسال شده'), ('RECEIVED', 'تحویل شده'), ('CANCELED', 'لغو شده'), ('REFUNDED', 'مرجوع شده')], default='CART', max_length=20, verbose_name='وضعیت سفارش'),
+        ),
+    ]

backend/order/migrations/0028_alter_orderitemmodel_price.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2025-03-30 15:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0027_rename_discount_orderitemmodel_discount_percent_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='orderitemmodel',
+            name='price',
+            field=models.BigIntegerField(verbose_name='قیمت'),
+        ),
+    ]

backend/order/migrations/0029_alter_ordermodel_discount_amount.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2025-03-30 16:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0028_alter_orderitemmodel_price'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ordermodel',
+            name='discount_amount',
+            field=models.BigIntegerField(blank=True, null=True, verbose_name='مقدار کد تخفیف'),
+        ),
+    ]

backend/order/models.py

@@ -1,9 +1,10 @@
-from django.db import models
+from django.db import models, transaction
 from account.models import User, UserAddressModel, PushSubscription
 from product.models import ProductModel, ProductVariant, ProductImageModel
 from django.utils import timezone
 from django_jalali.db import models as jmodels
-
+from django.core.exceptions import ValidationError
+from django.conf import settings
 
 class DiscountCode(models.Model):
     code = models.CharField(max_length=50, verbose_name='کد تخفیف')
@@ -44,20 +45,19 @@ class OrderModel(models.Model):
         ('CANCELED', 'لغو شده'),
         ('REFUNDED', 'مرجوع شده'),
     ]
-    order_id = models.PositiveIntegerField(unique=True, null=True, blank=True, verbose_name='شماره سفارش')
     user = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, related_name='orders', verbose_name='کاربر')
     address = models.ForeignKey(UserAddressModel, on_delete=models.SET_NULL, related_name='orders', null=True, verbose_name='ادرس')
     created_at = jmodels.jDateField(blank=True, null=True, verbose_name="تاریخ ثبت سفارش")    
     is_paid = models.BooleanField(default=False, verbose_name="وضعیت پرداخت")
     discount_code = models.ForeignKey(DiscountCode, on_delete=models.PROTECT, null=True, blank=True, verbose_name="کدتخفیف")
-    status = models.CharField(max_length=20, choices=STATUS_CHOICES, verbose_name="وضعیت سفارش")
-    discount = models.BigIntegerField(null=True, blank=True, verbose_name='کل تخقیف')
+    status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='CART', verbose_name="وضعیت سفارش")
+    discount_amount = models.BigIntegerField(null=True, blank=True, verbose_name='مقدار کد تخفیف')
     tax = models.BigIntegerField(null=True, blank=True, verbose_name='مالیات')
     final_price = models.BigIntegerField(null=True, blank=True, verbose_name='قیمت نهایی')
     cart_total = models.BigIntegerField(null=True, blank=True, verbose_name='کل سبد خرید')
     
     def __str__(self):
-        return f'سفارش: {self.id + 1000}'
+        return f'سفارش: {self.pk + 1000}'
 
     class Meta:
         verbose_name = 'سفارش'
@@ -65,58 +65,68 @@ class OrderModel(models.Model):
 
 
 
-    def save(self, *args, **kwargs):
-        # genrate order id
-        if not self.pk:
-            last_instance = self.__class__.objects.order_by("pk").last()
-            self.order_id = (last_instance.pk + 1001) if last_instance else 1001
+    def _cal_discount_amount(self, cart_total):
+        discount_percent = self.discount_code.percent if self.discount_code else 0
+        return int(cart_total * discount_percent / 100)
 
-        super().save(*args, **kwargs)
-
-
-
-    def cal_discount(self):
-        # total_with_item_discount = sum(item.total_with_discount() for item in self.items.all())
-        # discount_percent = self.discount_code.percent
-        # return total_with_item_discount * ((100 - discount_percent) / 100)
-        pass
-
-
-    def cal_tax(self):
-        return self.total_without_tax() * 0.2
-    
-
-    def cal_total(self):
-        pass
-        return self.total_with_discount() + self.tax()
-
-
-    def cal_final_price(self):
-        pass
+    def _cal_tax(self, cart_total, discount_amount):
+        tax_rate = getattr(settings, 'DEFAULT_TAX_RATE', 20)
+        return int((cart_total - discount_amount) * tax_rate / 100)
     
+    def _cal_cart_total(self):
+        from django.db.models import Sum, F, FloatField
+        return self.items.aggregate(
+            total=Sum(F('price') * (1 - F('discount_percent')/100) * F('quantity'),
+            output_field=FloatField()
+        )).get('total') or 0
 
+    def _cal_final_price(self, cart_total, discount_amount, tax):
+        return cart_total - discount_amount + tax
 
+    def update_order(self):
+        if self.status == 'CART':
+            cart_total = self._cal_cart_total()
+            discount_amount = self._cal_discount_amount(cart_total)
+            self.discount_amount = discount_amount
+            self.cart_total = cart_total
+            tax = self._cal_tax(cart_total, discount_amount)
+            self.tax = tax
+            self.final_price = self._cal_final_price(cart_total, discount_amount, tax)
+            self.save()
+        else:
+            pass
 
 
 class OrderItemModel(models.Model):
     order = models.ForeignKey(OrderModel, on_delete=models.CASCADE, related_name='items', verbose_name='سفارش')
     quantity = models.PositiveSmallIntegerField(verbose_name="تعداد")
-    price = models.PositiveIntegerField(verbose_name='قیمت', default=0)
+    price = models.BigIntegerField(verbose_name='قیمت')
     product = models.ForeignKey(ProductVariant, on_delete=models.PROTECT, verbose_name="محصول")
-    discount = models.SmallIntegerField(default=0, verbose_name='تخفیف')
+    discount_percent = models.SmallIntegerField(verbose_name='درصد تخفیف')
     class Meta:
         verbose_name = 'ایتم سبد خرید'
         verbose_name_plural = 'ایتم های سبد خرید'
 
-    # def total(self):
-    #     return self.quantity * self.product.price
 
-    # def total_with_discount(self):
-    #     return self.quantity * self.product.get_toman_price_after_discount()
-
-    def update_fields(self):
-        pass
+    def set_or_update_fields(self):
+        self.price = self.product.price
+        self.discount_percent = self.product.discount
 
     def __str__(self):
         return f'({self.product}) - ({self.order.user})'
 
+    def save(self, *args, **kwargs):
+        self.clean()
+        self.set_or_update_fields()
+        super().save(*args, **kwargs)
+        self.order.update_order()
+
+    def delete(self, *args, **kwargs):
+        self.clean()
+        order = self.order
+        super().delete(*args, **kwargs)
+        order.update_order()
+
+    def clean(self):
+        if self.pk and self.order.status != "CART":
+            raise ValidationError("ایتم ها فقط در حالت سبد خرید قابل ادیت هستند")

backend/order/serializers.py

@@ -53,7 +53,7 @@ class OrderItemSerailzier(serializers.ModelSerializer):
     class Meta:
         model = OrderItemModel
         exclude = ('order',)
-        read_only_fields = ('order', 'product',)
+        read_only_fields = ('order', 'product', 'discount_percent')
     def get_product(self, obj):
         return ProductVariantSerialzier(instance=obj.product, context={'request': self.context.get('request')}).data
 
@@ -79,9 +79,10 @@ class CartSerializer(serializers.ModelSerializer):
     tax = serializers.SerializerMethodField()
     final_price = serializers.SerializerMethodField()
     discount_code = serializers.SerializerMethodField()
+    address = UserAddressSerializer()
     class Meta:
         model = OrderModel
-        fields = [ 'discount_code', 'items', 'cart_total', 'tax', 'final_price']
+        fields = [ 'discount_code', 'items', 'cart_total', 'tax', 'final_price', 'address']
 
 
     def get_discount_code(self, obj):
@@ -109,6 +110,7 @@ class OrderListSerializer(serializers.ModelSerializer):
     count =  serializers.SerializerMethodField()
     images =  serializers.SerializerMethodField()
     verbose_status = serializers.SerializerMethodField()
+    order_id = serializers.SerializerMethodField()
     class Meta:
         model = OrderModel
         fields = ['created_at', 'status',  "images", "count", "id", 'final_price', 'order_id', 'verbose_status']
@@ -119,6 +121,8 @@ class OrderListSerializer(serializers.ModelSerializer):
     def get_count(self, obj):
         return obj.items.all().count()
 
+    def get_order_id(self, obj):
+        return obj.pk + 1000
     def get_images(self, obj):
         image_list = [
             self.context.get('request').build_absolute_uri(image.image.url)
@@ -138,7 +142,7 @@ class OrderGetSerializer(serializers.ModelSerializer):
     discount_code = DiscountCodeSerializer()
     class Meta:
         model = OrderModel
-        fields = ['created_at', 'status',  "images", "count", "id", 'final_price', 'order_id', 'verbose_status', 'address', 'items', 'tax' , 'cart_total', 'discount_code', 'discount']
+        fields = ['created_at', 'status',  "images", "count", "id", 'final_price', 'order_id', 'verbose_status', 'address', 'items', 'tax' , 'cart_total', 'discount_code', 'discount_amount']
 
     def get_verbose_status(self, obj):
         return obj.get_status_display()

backend/order/signals.py

@@ -1,7 +1,7 @@
 from django.db.models.signals import pre_save
 from django.dispatch import receiver
 from .models import OrderModel
-from account.models import PushSubscription
+from account.models import PushSubscription, UserAddressModel
 import ghasedak_sms
 from .tasks import send_change_status_notif, send_change_status_sms
 
@@ -13,8 +13,8 @@ def order_status_changed(sender, instance, **kwargs):
 
         if previous.status != instance.status:
             new_status = instance.get_status_display()
-            send_change_status_notif.delay(instance.pk, new_status)
-            send_change_status_sms.delay(instance.pk, new_status)
+            # send_change_status_notif.delay(instance.pk, new_status)
+            # send_change_status_sms.delay(instance.pk, new_status)
 
         if previous.status == 'CART' and instance.status == 'ADMIN_PENDING':
             # update_cart_price_fields()
@@ -23,11 +23,17 @@ def order_status_changed(sender, instance, **kwargs):
             pass
 
 
+@receiver(pre_save, sender=OrderModel)
+def set_default_address(sender, instance, **kwargs):
+    if instance.address is None and instance.user:
+        default_address = UserAddressModel.objects.filter(user=instance.user, is_main=True).first()
+        if default_address:
+            instance.address = default_address
 
 
 
-def update_cart_price_fields(order):
-    pass
+# def update_cart_price_fields(order):
+#     pass
 
 def update_sell_data(order):
     pass

backend/order/views.py

@@ -297,7 +297,7 @@ class BankCallbackSerializer(serializers.ModelSerializer):
             PaymentStatus.REDIRECT_TO_BANK,
             PaymentStatus.RETURN_FROM_BANK,
         }:
-            return "waiting"
+            return "pending"
         elif obj.status in {
             PaymentStatus.CANCEL_BY_USER,
             PaymentStatus.EXPIRE_GATEWAY_TOKEN,