add new api

core/apps/orders/admin/__init__.py

@@ -1 +1,2 @@
-from .order import *
+from .order import *
+from .offer import *

core/apps/orders/admin/offer.py

@@ -0,0 +1,10 @@
+from django.contrib import admin
+
+from core.apps.orders.models import Offer
+
+
+@admin.register(Offer)
+class OfferAdmin(admin.ModelAdmin):
+    list_display = ['id', 'name', 'number', 'order']
+    search_fields = ['name', 'phone', 'number', 'price']
+

core/apps/orders/migrations/0005_offer.py

@@ -0,0 +1,34 @@
+# Generated by Django 5.2.4 on 2025-08-19 15:00
+
+import django.db.models.deletion
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0004_remove_order_project_department_order_project_folder_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Offer',
+            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)),
+                ('name', models.CharField(max_length=200)),
+                ('price', models.PositiveBigIntegerField()),
+                ('phone', models.CharField(blank=True, max_length=15, null=True)),
+                ('comment', models.TextField(blank=True, null=True)),
+                ('qqs', models.BooleanField(blank=True, default=False, null=True)),
+                ('number', models.PositiveIntegerField(default=1)),
+                ('order', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='offers', to='orders.order')),
+            ],
+            options={
+                'verbose_name': 'Taklif',
+                'verbose_name_plural': 'Takliflar',
+            },
+        ),
+    ]

core/apps/orders/migrations/0006_offer_price_type.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.4 on 2025-08-19 15:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orders', '0005_offer'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='offer',
+            name='price_type',
+            field=models.CharField(choices=[('UZS', 'uzs'), ('USD', 'usd')], default='uzs'),
+        ),
+    ]

core/apps/orders/models/__init__.py

@@ -1 +1,2 @@
-from .order import *
+from .order import *
+from .order_offer import *

core/apps/orders/models/order_offer.py

@@ -0,0 +1,37 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.orders.models import Order
+
+
+class Offer(BaseModel):
+    PRICE_TYPE = (
+        ('UZS', 'uzs'),
+        ('USD', 'usd')
+    )
+    
+    order = models.ForeignKey(Order, on_delete=models.CASCADE, related_name='offers')
+    name = models.CharField(max_length=200)
+    price = models.PositiveBigIntegerField()
+    price_type = models.CharField(choices=PRICE_TYPE, default='uzs')
+    phone = models.CharField(max_length=15, null=True, blank=True)
+    comment = models.TextField(null=True, blank=True)
+    qqs = models.BooleanField(default=False, null=True, blank=True)
+    number = models.PositiveIntegerField(default=1)
+
+    def __str__(self):
+        return self.name
+    
+    def save(self, *args, **kwargs):
+        if not self.pk:
+            last_offer = Offer.objects.filter(order=self.order).order_by('-number').first()
+            if last_offer:
+                self.number = last_offer.number + 1
+            else:
+                self.number = 1
+        return super().save(*args, **kwargs)
+
+    class Meta:
+        verbose_name = 'Taklif'
+        verbose_name_plural = 'Takliflar'
+        

core/apps/orders/serializers/offer.py

@@ -0,0 +1,70 @@
+from django.db import transaction
+
+from rest_framework import serializers
+
+from core.apps.orders.models import Offer, Order
+
+
+class OfferCreateSerializer(serializers.Serializer):
+    name = serializers.CharField()
+    price = serializers.IntegerField()
+    phone = serializers.CharField(required=False)
+    comment = serializers.CharField(required=False)
+    qqs = serializers.CharField(required=False)
+    price_type = serializers.ChoiceField(Offer.PRICE_TYPE)
+
+
+class MultipleOfferCreateSerializer(serializers.Serializer):
+    order_id = serializers.UUIDField()
+    offers = serializers.ListSerializer(child=OfferCreateSerializer())
+
+    def validate(self, data):
+        order = Order.objects.filter(id=data['order_id']).first()
+        if not order:
+            raise serializers.ValidationError("Order not found")
+        data['order'] = order
+        return data
+    
+    def create(self, validated_data):
+        with transaction.atomic():
+            offers = []
+            for offer in validated_data.pop('offers'):
+                offer.append(
+                    Offer(
+                        name=offer['name'],
+                        price=offer['price'],
+                        phone=offer.get('phone'),
+                        comment=offer.get('comment'),
+                        qqs=offer.get('qqs'),
+                        price_type=offer.get('price_type')
+                    )
+                )
+            
+            return Offer.objects.bulk_update(offers)
+
+
+class OfferListSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Offer
+        fields = [
+            'id', 'name', 'price', 'number', 'phone', 'comment', 'qqs', 'price_type'
+        ]
+
+
+class OfferUpdateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Offer
+        fields = [
+            'name', 'price', 'number', 'phone', 'comment', 'qqs', 'price_type'
+        ]
+    
+    def update(self, instance, validated_data):
+        instance.name = validated_data.get('name', instance.name)
+        instance.price = validated_data.get('price', instance.price)
+        instance.number = validated_data.get('number', instance.number)
+        instance.phone = validated_data.get('phone', instance.phone)
+        instance.comment = validated_data.get('comment', instance.comment)
+        instance.qqs = validated_data.get('qqs', instance.qqs)
+        instance.price_type = validated_data.get('price_type', instance.price_type)
+        instance.save()
+        return instance

core/apps/orders/serializers/order.py

@@ -94,6 +94,7 @@ class MultipleOrderCreateSerializer(serializers.Serializer):
             created_orders = Order.objects.bulk_create(orders)
             return created_orders
 
+
 class OrderListSerializer(serializers.ModelSerializer):
     product = ProductListSerializer()
     unity = UnityListSerializer()

core/apps/orders/urls.py

@@ -1,11 +1,11 @@
 from django.urls import path, include
 
 from core.apps.orders.views import order as order_views
+from core.apps.orders.views import offer as offer_views
 
 
 urlpatterns = [
-    path('order/', include(
+    path('order/', include(        [
-        [
             path('list/', order_views.OrderListApiView.as_view()),
             path('create/', order_views.OrderCreateApiView.as_view()),
             path('<uuid:id>/update/', order_views.OrderUpdateApiView.as_view()),
@@ -15,4 +15,12 @@ urlpatterns = [
             path("accepted/list/", order_views.OrderAcceptApiView.as_view()),
         ]
     )),
+    path('offer/', include(
+        [
+            path('create/', offer_views.OffersCreateApiView.as_view()),
+            path('list/', offer_views.OfferListApiView.as_view()),
+            path('<uuid:id>/delete/', offer_views.OfferDeleteApiView.as_view()),
+            path('<uuid:id>/update/', offer_views.OfferUpdateApiView.as_view()),
+        ]
+    )),
 ]

core/apps/orders/views/offer.py

@@ -0,0 +1,85 @@
+from django.shortcuts import get_object_or_404
+
+from rest_framework import generics, views
+from rest_framework.response import Response
+
+from core.apps.shared.paginations.custom import PageNumberPagination
+from core.apps.accounts.permissions.permissions import HasRolePermission
+from core.apps.orders.serializers import offer as serializers
+from core.apps.orders.models import Offer
+
+
+class OffersCreateApiView(generics.GenericAPIView):
+    permission_classes = [HasRolePermission]
+    required_permissions = ['offer']
+    queryset = Offer.objects.all()
+    serializer_class = serializers.MultipleOfferCreateSerializer
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data)
+        if serializer.is_valid(raise_exception=True):
+            serializer.save()
+            return Response(
+                {
+                    "success": True,
+                    "message": "Offers created!"
+                },
+                status=201
+            )
+
+
+class OfferListApiView(generics.GenericAPIView):
+    permission_classes = [HasRolePermission]
+    queryset = Offer.objects.all()
+    required_permissions = ['offer']
+    serializer_class = serializers.OfferListSerializer
+
+    def get(self, request):
+        offers = Offer.objects.all()
+        serializer = self.serializer_class(offers, many=True)
+        self.paginate_queryset(serializer)
+        return self.get_paginated_response
+    
+
+class OfferUpdateApiView(generics.GenericAPIView):
+    serializer_class = serializers.OfferUpdateSerializer
+    queryset = Offer.objects.all()
+    lookup_field = 'id'
+    permission_classes = [HasRolePermission]
+    required_permissions = ['offer']
+
+    def put(self, request, id):
+        offer = get_object_or_404(Offer, id=id)
+        serializer = self.serializer_class(data=request.data, instance=offer)
+        if serializer.is_valid(raise_exception=True):
+            serializer.save()
+            return Response(
+                {
+                    'success': True,
+                    "message": "Offer successfully updated!"
+                },
+                status=200
+            )
+    
+    def patch(self, request, id):
+        offer = get_object_or_404(Offer, id=id)
+        serializer = self.serializer_class(data=request.data, instance=offer, partial=True)
+        if serializer.is_valid(raise_exception=True):
+            serializer.save()
+            return Response(
+                {
+                    'success': True,
+                    "message": "Offer successfully updated!"
+                },
+                status=200
+            )
+        
+    
+class OfferDeleteApiView(views.APIView):
+    permission_classes = [HasRolePermission]
+    required_permissions = ['offer']
+
+    def delete(self, request, id):
+        offer = get_object_or_404(Offer, id=id)
+        offer.delete()
+        return Response({'success': True}, status=204)