def company_list(request):
    if request.method == 'GET':
        companies = Company.objects.all().order_by('-created_at')
        companies = CompanySerializer(companies,many=True)
        print(companies.data)
        return Response(companies.data, status=status.HTTP_200_OK)

    if request.method == 'POST':
        serializer = CompanySerializer(data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)
def company_detail(request, pk):
    print(request.data)
    try:
        company=Company.objects.get(pk=pk)
    except Company.DoesNotExist:
        return Response(status=status.HTTP_404_NOT_FOUND)
    if request.method == 'GET':
        serializer = CompanySerializer(company)
        return Response(serializer.data)
    elif request.method == 'PUT':
        serializer = CompanySerializer(company, data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data)
        else:
            return Response(status=status.HTTP_400_BAD_REQUEST)
    elif request.method == 'DELETE':
        company.delete()
        return Response(status=status.HTTP_204_NO_CONTENT)