I have some problem in the get number of whishlist and show this?

In the following this error…
I have problems getting the number of likes for products and removing likes from the list of favorites.
like correctly in the database (add to favorite) but I don’t know how to get their number and make it dynamic in JavaScript codes by Ajax.

Can you look at my codes and give me the necessary guidance, what should I add or remove? thank you!

favorite.py

from apps.comment_scoring_favorites.models import Favorite
class favoriteProduct:
    def __init__(self,request) -> None:
        self.session=request.session
        favorite_product=self.session.get('favorite_product')
        if not favorite_product:
            favorite_product=self.session['favorite_product']=[]
        self.favorite_product=favorite_product
        self.count=Favorite.count_favorites_by_session()


    def __iter__(self):
        favorite_product=self.favorite_product.copy()
        for item in favorite_product:
            yield item

    def add_to_favorite_product(self,productId):
        productId=int(productId)
        if productId  not in self.favorite_product:
            self.favorite_product.append(productId)
        self.count=Favorite.count_favorites_by_session()
        self.session.modified=True

    def delete_from_favorite_product(self, productId):
        productId=int(productId)
        self.favorite_product.remove(productId)
        self.count=Favorite.count_favorites_by_session()
        self.session.modified=True

middleware.py

import threading
class RequestMiddleware:
    def __init__(self,get_response,thread_local=threading.local()):
        self.get_response=get_response
        self.thread_local=thread_local

    def __call__(self,request):
        self.thread_local.current_request=request
        response=self.get_response(request)
        return response

models.py

from middlewares.middleware import RequestMiddleware
class Favorite(models.Model):
    product=models.ForeignKey(Product,on_delete=models.CASCADE,related_name='favorite_product',verbose_name='کالا')
    favorite_user=models.ForeignKey(CustomUser, on_delete=models.CASCADE,related_name='favorite_user1',verbose_name='کاربر علاقه مند')
    register_date=models.DateTimeField(auto_now_add=True,verbose_name='تاریخ درج')

    def __str__(self) -> str:
        return f"{self.product} - {self.favorite_user}"
    
    
    class Meta:
        verbose_name='علاقه'
        verbose_name_plural='علایق'

    
    def count_favorites_by_session(self):
        request=RequestMiddleware(get_response=None)
        request=request.thread_local.current_reques
        session=request.session
        favorite_product_ids =session.get('favorite_product')
        return self.objects.filter(product__id__in=favorite_product_ids).count()

views.py

class ShowFavoriteListView(View):
    def get(self,request,*args,**kwargs):
        favorite_list=favoriteProduct(request)
        context={
            'favorite_list':favorite_list,
        }
        return render(request,'csf_app/partials/create_favorites.html',context)
    

def statuse_of_favorite_list(request):
    favoriteList=favoriteProduct(request)
    return HttpResponse(favoriteList.count)

def add_to_favorite(request):
    productId=request.GET.get('productId')
    product=Product.objects.get(id=productId)
    flag=Favorite.objects.filter(
        Q(favorite_user_id=request.user.id) &
        Q(product_id=productId)).exists()
    if(not flag):
        Favorite.objects.create(
            product=product,
            favorite_user=request.user,
        )
        return HttpResponse('added to favorite lists')
    return HttpResponse('it was in favorite')

def delete_from_favorite(request):
    productId=request.GET.get('productId')
    favoriteList=favoriteProduct(request)
    favoriteList.delete_from_favorite_product(productId)
    return redirect('csf:user_favorite_list')

class UserFavoriteView(View):
    def get(self,request,*args,**kwargs):
        user_favorite_products=Favorite.objects.filter(Q(favorite_user_id=request.user.id))
        return render(request,'csf_app/user_favorite.html',{'user_favorite_products':user_favorite_products})

urls.py

from django.urls import path
from . import views
app_name='csf'
urlpatterns = [
    path('create_comment/<slug:slug>/',views.CommentView.as_view(),name='create_comment'),  
    path('add_score/',views.add_score,name='add_score'),  
    path('add_to_favorite/',views.add_to_favorite,name='add_to_favorite'),
    path('user_favorite_list/',views.UserFavoriteView.as_view(),name='user_favorite_list'),  
    path('delete_from_favorite/',views.delete_from_favorite,name='delete_from_favorite'),  
    path('statuse_of_favorite_list/',views.statuse_of_favorite_list,name='statuse_of_favorite_list'),     
]

myscript.js

statuse_of_favorite_list();
function statuse_of_favorite_list(){
    $.ajax({
        type:"GET",
        url:"/csf/statuse_of_favorite_list/",
        success: function(res){
            $('#favorite_count_icon').show();
            $('#favorite_count').text(res);
        }
    });
}

function addToFavorite(productId){
    $.ajax({
        type:"GET",
        url:"/csf/add_to_favorite/",
        data:{
            productId: productId,
        },
        success: function(res){
            alert(res)
            statuse_of_favorite_list();

        }
    });
}

function deleteFromFavorite(product_id){
    $.ajax({
        type:"GET",
        url:"/csf/delete_from_favorite/",
        data:{
            product_id:product_id,
        },
        success:function(res){
            alert('deleted!');    
            $("#favorite_list").html(res);
            statuse_of_favorite_list();           

        }
    });
}

createfavorites.html

{% load render_partial %}
{% load humanize %}
{% block titile %}
 
{% endblock titile %}
{% block content %}
    <div id="favorite_list">
        {% render_partial 'csf:user_favorite_list' %}
    </div>
{% endblock %}

usre_favorite.html

{% extends 'main_template.html' %}
{% load render_partial %}
{% load humanize %}
{% block titile %}
    WishList...
{% endblock titile %}
{% block content %}
<div class="site__body">
    <div class="page-header">
        <div class="page-header__container container">
            <div class="page-header__breadcrumb">
                <nav aria-label="breadcrumb">
                    <ol class="breadcrumb">
                        <li class="breadcrumb-item"><a href="{% url 'main:index' %}">Home</a>
                            /
                        </li>
                        <li class="breadcrumb-item active" aria-current="page">Favorites</li>
                    </ol>
                </nav>
            </div>
            <div class="page-header__title">
                <h1>Favorites</h1></div>
        </div>
    </div>
    <div class="block">
        <div class="container">
            <table class="wishlist">
                <thead class="wishlist__head">
                    <tr class="wishlist__row">
                        <th class="wishlist__column wishlist__column--image">image</th>
                        <th class="wishlist__column wishlist__column--product">product</th>
                        <th class="wishlist__column wishlist__column--stock">stock</th>
                        <th class="wishlist__column wishlist__column--price">price</th>
                        <th class="wishlist__column wishlist__column--tocart">buy or not buy</th>
                        <th class="wishlist__column wishlist__column--remove">delete</th>
                    </tr>
                </thead>
                <tbody class="wishlist__body">
                    {% for favorite in user_favorite_products %}
                        <tr class="wishlist__row">
                            <td class="wishlist__column wishlist__column--image">
                                <a href=""><img src="{{media_url}}{{favorite.product.image_name}}" alt=""></a>
                            </td>
                            <td class="wishlist__column wishlist__column--product">
                                <a href="" class="wishlist__product-name">
                                    {{favorite.product.product_name}}
                                </a>
                            </td>
                            <td class="wishlist__column wishlist__column--stock">
                                {% if favorite.product.get_number_in_warehouse > 0 %}
                                    <div class="badge badge-success">موجود در انبار</div>
                                {% else %}
                                    <div class="badge badge-danger">موجود نمی باشد </div>
                                {% endif %}
                            </td>
                            <td class="wishlist__column wishlist__column--price"> {{favorite.product.price}} تومان</td>
                            <td class="wishlist__column wishlist__column--tocart">
                            {% if favorite.product.get_number_in_warehouse > 0 %}
                                <button type="button" class="btn btn-primary btn-sm" onclick="add_to_shop_cart({{favorite.product.id}},1)">افزودن به سبد</button>
                            </td>
                            {% else %}
                            <button type="button" class="btn btn-info disable btn-sm">افزودن به سبد</button>
                            {% endif %}
                        
                            <td class="cart-table__column cart-table__column--remove">
                                <a type="button" class="btn btn-light btn-sm btn-svg-icon" onclick="deleteFromFavorite({{favorite.product.id}})">
                                    <i class="fa fa-trash"></i>
                                </a>
                            </td>
                            
                        </tr>
                    {% endfor %}
                </tbody>
            </table>
        </div>
    </div>
</div>
{% endblock content %}