@require_GET
def show(request):
    load = LoadOrder.objects.last()

    if not load:
        return HttpResponse('Выгрузок еще не было!')

    transactions = Transaction.objects.filter(load=load)

    result = []
    for transaction in transactions:
        obj = {
            'username': transaction.customer,
            'spent_money': transaction.total,
            'gems': [transaction.item]
        }

        customer_exist = False
        for item in result:
            if item['username'] == obj['username']:
                item['spent_money'] = item['spent_money'] + obj['spent_money']

                if obj['gems'][0] not in item['gems']:
                    item['gems'].append(obj['gems'][0])

                customer_exist = True
                break

        if not customer_exist:
            result.append(obj)

    result = sorted(result, key=lambda i: item['spent_money'], reverse=True)[:5]

    for item in result:
        sorted_gems = []
        for gem in item['gems']:

            for other in result:
                if other != item:
                    if gem in other['gems']:
                        sorted_gems.append(gem)
                        break

        item['gems'] = sorted_gems

    response = json.dumps(
        result,
        ensure_ascii=False,
        indent=4
    )

    return JsonResponse(response, safe=False)