view and model notif and news

backend/account/admin.py

@@ -134,4 +134,15 @@ class SecurityBreachAttemptAdmin(ModelAdmin, ImportExportModelAdmin):
 
         return format_html(
             svg
-        )
+        )
+    
+
+@admin.register(NewsModel)
+class NewsAdmin(ModelAdmin):
+    pass
+
+
+@admin.register(UserNotificationModel)
+class UserNotificationAdmin(ModelAdmin):
+    pass
+

backend/account/migrations/0026_news_usernotification.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.1.2 on 2025-04-24 22:25
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0025_alter_pushsubscription_options_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='News',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=50)),
+                ('content', models.TextField()),
+                ('image', models.ImageField(upload_to='')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='UserNotification',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=50)),
+                ('content', models.TextField()),
+                ('image', models.ImageField(upload_to='')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('is_read', models.BooleanField(default=False)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

backend/account/migrations/0027_rename_news_newsmodel_and_more.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.1.2 on 2025-04-24 22:32
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0026_news_usernotification'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='News',
+            new_name='NewsModel',
+        ),
+        migrations.RenameModel(
+            old_name='UserNotification',
+            new_name='UserNotificationModel',
+        ),
+    ]

backend/account/migrations/0028_newsmodel_is_read.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.1.2 on 2025-05-24 17:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('account', '0027_rename_news_newsmodel_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='newsmodel',
+            name='is_read',
+            field=models.BooleanField(default=False),
+        ),
+    ]

backend/account/models.py

@@ -207,6 +207,32 @@ class PushSubscription(models.Model):
 
 
 
+class NotifBaseModel(models.Model):
+    title = models.CharField(max_length=50)
+    content = models.TextField()
+    image = models.ImageField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    is_read = models.BooleanField(default=False)
+
+    class Meta:
+        abstract = True
+        
+    def __str__(self):
+        return self.title
+
+class NewsModel(NotifBaseModel):
+
+    def notif_type(self):
+        return 'NEWS'
+
+
+class UserNotificationModel(NotifBaseModel):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+
+    def notif_type(self):
+        return 'USER_NOTIF'
+
+
 def get_location_from_ip(ip_address):
     try:
         response = requests.get(f"http://ip-api.com/json/{ip_address}")

backend/account/serializers.py

@@ -32,3 +32,32 @@ class PushSubscriptionSerializer(serializers.ModelSerializer):
     class Meta:
         model = PushSubscription
         fields = ('endpoint', 'keys')
+
+
+class NewsSerializer(serializers.ModelSerializer):
+    notif_type = serializers.SerializerMethodField()
+
+    class Meta:
+        model = NewsModel
+        fields = ['title', 'content', 'image', 'created_at', 'notif_type']
+
+    def get_notif_type(self, obj):
+        return 'NEWS'
+
+class UserNotifSerializer(serializers.ModelSerializer):
+    notif_type = serializers.SerializerMethodField()
+
+    class Meta:
+        model = UserNotificationModel
+        fields = ['title', 'content', 'image', 'created_at', 'notif_type', 'is_read']
+
+    def get_notif_type(self, obj):
+        return 'USER_NOTIF'
+    
+
+class UnifiedNotifSerializer(serializers.Serializer):
+    def to_representation(self, instance):
+        if isinstance(instance, NewsModel):
+            return NewsSerializer(instance).data
+        elif isinstance(instance, UserNotificationModel):
+            return UserNotifSerializer(instance).data

backend/account/urls.py

@@ -17,4 +17,5 @@ urlpatterns = [
     path('unsubscribe', views.UnsubscribeView.as_view(), name='unsubscibe'),
     path('attack/view/<int:pk>', views.ChangeViewAttack.as_view(), name='attack-view'),
     path('logout', views.LogoutView.as_view(), name='logout'),
+    path('notif/list', views.NotificationListAPIView.as_view(), name='notif-list')
 ]

backend/account/views.py

@@ -14,6 +14,9 @@ from django.views import View
 from rest_framework import serializers
 from rest_framework_simplejwt.tokens import RefreshToken
 
+from itertools import chain
+from drf_spectacular.utils import extend_schema, OpenApiParameter, OpenApiTypes
+from utils.pagination import StructurePagination
 
 
 class SendOTPView(APIView):
@@ -268,4 +271,73 @@ from djoser.urls.jwt import views as djoser_jwt_views
     post=extend_schema(tags=["authentication"])
 )
 class TokenVerifyView(djoser_jwt_views.TokenVerifyView):
-    pass
+    pass
+
+class NotificationListAPIView(APIView):
+    serializer_class = UnifiedNotifSerializer
+    permission_classes = [IsAuthenticated]
+    pagination_class = StructurePagination
+    @extend_schema(
+        parameters=[
+
+
+            OpenApiParameter(
+                name="notif_type",
+                type=OpenApiTypes.STR,
+                description="NEWS OR USER_NOTIF",
+                required=False,
+                ),
+
+            OpenApiParameter(
+                name="is_read",
+                type=OpenApiTypes.STR,
+                description="is_read filter",
+                required=False,
+                ),
+
+            OpenApiParameter(
+                name="limit",
+                description="Number of results to return per page (pagination).",
+                required=False,
+                type=OpenApiTypes.INT,
+            ),
+            OpenApiParameter(
+                name="offset",
+                description="The starting position of the results (pagination).",
+                required=False,
+                type=OpenApiTypes.INT,
+            ),
+        ],
+    )
+    def get(self, request):
+        notif_type = request.query_params.get('notif_type')
+        is_read_param = request.query_params.get('is_read')
+        is_read = self.str_to_bool(is_read_param)
+
+        news_qs = NewsModel.objects.all()
+        user_notif_qs = UserNotificationModel.objects.filter(user=request.user)
+
+        if is_read is not None:
+            news_qs = news_qs.filter(is_read=is_read)
+            user_notif_qs = user_notif_qs.filter(is_read=is_read)
+
+        if notif_type is None:
+            notifs = sorted(
+                chain(news_qs, user_notif_qs),
+                key=lambda n: n.created_at,
+                reverse=True
+            )
+        elif notif_type == 'NEWS':
+            notifs = news_qs
+        elif notif_type == 'USER_NOTIF':
+            notifs = user_notif_qs
+        else:
+            return Response({'detail': 'wrong notif type'}, status=status.HTTP_400_BAD_REQUEST)
+
+        paginator = self.pagination_class()
+        paginated_notifs = paginator.paginate_queryset(notifs, request)
+        serializer = self.serializer_class(paginated_notifs, many=True)
+        return paginator.get_paginated_response(serializer.data)
+    
+    def str_to_bool(val):
+        return True if val and val == 'true' else False

backend/core/settings/unfold_conf.py

@@ -221,6 +221,18 @@ UNFOLD = {
                         "link": reverse_lazy("admin:account_securitybreachattemptmodel_changelist"),
                         "badge": 'utils.admin.new_attck_count'
                     },
+                 {
+                        "title": _("اخبار"),
+                        "icon": "newspaper",  
+                        "link": reverse_lazy("admin:account_newsmodel_changelist"),
+
+                    },
+                 {
+                        "title": _("اطلاعیه ها"),
+                        "icon": "notifications",  
+                        "link": reverse_lazy("admin:account_usernotificationmodel_changelist"),
+
+                    },
 
                 ],
             },