add notification and send notification

config/settings/base.py

@@ -30,6 +30,7 @@ APPS = [
     'core.apps.orders',
     'core.apps.finance',
     'core.apps.counterparty',
+    'core.apps.notifications',
 ]
 
 PACKAGES = [

config/urls.py

@@ -35,6 +35,7 @@ urlpatterns = [
             path('orders/', include('core.apps.orders.urls')),
             path('finance/', include('core.apps.finance.urls')),
             path('counterparties/', include('core.apps.counterparty.urls')),
+            path('notifications/', include('core.apps.notifications.urls')),
         ]
     )),
 

core/apps/notifications/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class NotificationsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'core.apps.notifications'

core/apps/notifications/migrations/0001_initial.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.2.4 on 2025-10-28 15:45
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Notification',
+            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)),
+                ('token', models.CharField(max_length=255, unique=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='notifications', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

core/apps/notifications/models/__init__.py

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

core/apps/notifications/models/notification.py

@@ -0,0 +1,9 @@
+from django.db import models
+
+from core.apps.shared.models import BaseModel
+from core.apps.accounts.models import User
+
+class Notification(BaseModel):
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='notifications')
+    token = models.CharField(max_length=255, unique=True)
+    

core/apps/notifications/serializers/notification.py

@@ -0,0 +1,11 @@
+from rest_framework import serializers
+
+from core.apps.notifications.models import Notification
+
+
+class NotificationSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Notification
+        fields = [
+            'token'
+        ]

core/apps/notifications/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path
+
+from core.apps.notifications.views import notification 
+
+urlpatterns = [
+    path('device/register/', notification.RegisterExpoPushToken.as_view()),
+]

core/apps/notifications/utils/notify_user.py

@@ -0,0 +1,8 @@
+from core.apps.notifications.models import Notification
+from core.apps.notifications.utils.send_notification import send_notification
+
+
+def notify_user(user, title, body):
+    tokens = Notification.objects.filter(user=user)
+    for token in tokens:
+        send_notification(token.token, title, body)

core/apps/notifications/utils/send_notification.py

@@ -0,0 +1,16 @@
+import requests
+
+def send_notification(token, title, body, data=None):
+    message = {
+        "to": token,
+        "sound": "default",
+        "title": title,
+        "body": body,
+        "data": data or {},
+    }
+    response = requests.post(
+        "https://exp.host/--/api/v2/push/send",
+        json=message,
+        headers={"Content-Type": "application/json"}
+    )
+    return response.json()

core/apps/notifications/views/notification.py

@@ -0,0 +1,20 @@
+from rest_framework import generics, status
+from rest_framework.response import Response
+
+from core.apps.notifications.serializers import notification as serializers
+from core.apps.notifications.models import Notification
+
+
+class RegisterExpoPushToken(generics.GenericAPIView):
+    serializer_class = serializers.NotificationSerializer
+    queryset = Notification.objects.all()
+
+    def post(self, request):
+        serializer = self.serializer_class(data=request.data)
+        if serializer.is_valid():
+            Notification.objects.update_or_create(
+                user=request.user,
+                token=serializer.validated_data['token']
+            )
+            return Response({"message": "Token saqlandi"}, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)

core/apps/orders/serializers/order.py

@@ -16,6 +16,8 @@ from core.apps.projects.models import Project, ProjectFolder
 from core.apps.projects.serializers.project import ProjectListSerializer, ProjectFolderListSerializer
 # counterparty
 from core.apps.counterparty.models import Counterparty
+# notifications 
+from core.apps.notifications.utils.notify_user import notify_user
 
 
 class OrderCreateSerializer(serializers.Serializer):
@@ -71,7 +73,7 @@ class MultipleOrderCreateSerializer(serializers.Serializer):
             orders = []
 
             for resource in resources:
-                orders.append(Order(
+                order = Order(
                     product=resource['product'],
                     unity=resource['unity'],
                     wherehouse=resource['wherehouse'],
@@ -80,8 +82,16 @@ class MultipleOrderCreateSerializer(serializers.Serializer):
                     quantity=resource['quantity'],
                     date=common_date,
                     employee=self.context.get('user'),
-                ))
+                )
+                orders.append(order)
+                body = f"""
+                    {user.full_name} {order.project_folder.name} uchun {order.wherehouse.name} ombor ga {order.quantity} {order.unity.value} {order.product.name} ga buyurtma berdi. Buyurtma
+                    yetkazish sanasi {common_date}
+                """
+                notify_user(user=self.context.get("user"), title="Ta'minot",body=body)
+                
             created_orders = Order.objects.bulk_create(orders)
+            user = self.context.get('user')
             return created_orders