python

from django.db.models import F, Window
from django.db.models.functions import RowNumber, Rank, DenseRank
from products.models import Sale


def get_sales_with_ranking():

from django.contrib.auth.models import AbstractUser
from django.db import models


class CustomUser(AbstractUser):
    """Extended user model with additional fields."""

# Optional: custom error handlers
handler404 = 'myapp.views.custom_404'
handler500 = 'myapp.views.custom_500'


# In views.py

from django.contrib import admin
from django.utils.html import format_html
from .models import Post, Comment


class CommentInline(admin.TabularInline):

from django import template
from django.utils.safestring import mark_safe
import markdown

register = template.Library()

import time
import logging

logger = logging.getLogger(__name__)

INSTALLED_APPS += ['tenant_schemas']

DATABASE_ROUTERS = ['tenant_schemas.routers.TenantSyncRouter']

MIDDLEWARE = [
    'tenant_schemas.middleware.TenantMiddleware',

from django.db.models import Q
from django.views.generic import ListView
from .models import Product


class ProductSearchView(ListView):

from django.db import transaction
from django.shortcuts import get_object_or_404
from rest_framework import status
from rest_framework.decorators import api_view
from rest_framework.response import Response
from .models import Order, OrderItem, Product

from rest_framework import permissions


class IsOwnerOrReadOnly(permissions.BasePermission):
    """
    Custom permission to only allow owners of an object to edit it.

import csv
from django.core.management.base import BaseCommand, CommandError
from products.models import Product, Category


class Command(BaseCommand):

from django.contrib.auth.backends import ModelBackend
from django.contrib.auth import get_user_model

User = get_user_model()