from django.db.models import Count, Avg, Sum, Q, F
from django.views.generic import TemplateView
from products.models import Product, Order, OrderItem


class DashboardView(TemplateView):

from django.db import models
from django.utils import timezone
from datetime import date


class Person(models.Model):

import uuid
import logging


class RequestIDMiddleware:
    def __init__(self, get_response):

import random


class PrimaryReplicaRouter:
    """Route reads to replicas, writes to primary."""

from django.conf import settings
from datetime import datetime


def site_settings(request):
    """Add site-wide settings to template context."""

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


class CommentInline(admin.TabularInline):

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


class ProductSearchView(ListView):

from django.core.exceptions import ValidationError


def validate_file_size(file):
    """Limit file size to 5MB."""
    max_size_mb = 5

from django.db import models
from django.utils import timezone


class TimeStampedModel(models.Model):
    """Abstract base class with created/updated timestamps."""

from django import template
from django.db.models import Count
from blog.models import Post, Tag

register = template.Library()

from rest_framework import serializers
from .models import Author, Book


class BookSerializer(serializers.ModelSerializer):
    class Meta:

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