discount admin and code to name update

backend/core/settings/unfold_conf.py

@@ -135,6 +135,11 @@ UNFOLD = {
                         "link": reverse_lazy("admin:product_dollormodel_changelist"),
                         "badge": "utils.admin.dollor_price",
                     },
+                    {
+                        "title": _("کد تخفیف"),
+                        "icon": "payments",  
+                        "link": reverse_lazy("admin:order_discountcode_changelist"),
+                    },
 
                 ],
             },

backend/order/admin.py

@@ -19,6 +19,12 @@ class OrderItemModelInline(StackedInline):
 
 
 
+@admin.register(DiscountCode)
+class DiscountCodeAdmin(ModelAdmin, ImportExportModelAdmin):
+    import_form_class = ImportForm
+    export_form_class = ExportForm
+    list_display = ['code', 'expiration_date', 'percent', 'quantity']
+
 
 @admin.register(OrderModel)
 class OrderAdmin(ModelAdmin, ImportExportModelAdmin):

backend/order/migrations/0012_rename_name_discountcode_code.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2025-03-10 20:10
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('order', '0011_orderitemmodel_price'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='discountcode',
+            old_name='name',
+            new_name='code',
+        ),
+    ]

backend/order/models.py

@@ -6,20 +6,31 @@ from .execptions import DiscountNotAvailableError
 from django_jalali.db import models as jmodels
 
 class DiscountCode(models.Model):
-    name = models.CharField(max_length=50, verbose_name='کد تخفیف')
+    code = models.CharField(max_length=50, verbose_name='کد تخفیف')
     percent = models.DecimalField(max_digits=4, decimal_places=2, verbose_name='درصد')
     quantity = models.PositiveIntegerField(verbose_name='تعداد')
     expiration_date = models.DateTimeField(verbose_name='تاریخ انقضا')
 
     def __str__(self):
-        return self.name
+        return self.code
 
     class Meta:
         verbose_name = 'کد تخفیف'
         verbose_name_plural = 'کد های تخفیف'
+
     def is_valid(self):
         return self.expiration_date > timezone.now() and self.quantity > 0
 
+    def not_valid_reason(self):
+        if self.expiration_date > timezone.now() and self.quantity > 0:
+            return 'این کد معتبر میباشد'
+        elif not self.expiration_date > timezone.now():
+            return 'تایم کد تخفیف تمام شده'
+        elif not self.quantity > 0:
+            return 'این کد تخفیف تمام شده است'
+        else:
+            print('log later bug')
+
 
 
 class OrderModel(models.Model):
@@ -82,15 +93,10 @@ class OrderModel(models.Model):
         pass
         # return self.total_with_discount() + self.tax()
 
-    def remove_order_item(self, item_pk, quantity):
+    def final_price(self):
         pass
 
-    def add_order_item(self, item_pk, quantity):
-        status = ''
-        return status
 
-    def clear_cart(self):
-        pass
 
 
 

backend/order/serializers.py

@@ -1,7 +1,14 @@
 from rest_framework import serializers
-from .models import OrderItemModel, OrderModel
+from .models import OrderItemModel, OrderModel, DiscountCode
 from product.serializers import ProductVariantSerialzier
 
+class DiscountCodeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = DiscountCode
+        fields = ('code', 'percent')
+        read_only_fields = ('percent',)
+
+
 class OrderItemSerailzier(serializers.ModelSerializer):
     product = serializers.SerializerMethodField()
     class Meta: