from django.db import connection, backend
import settings, pdb


class AuthMiddleware(object):
    def process_view(self, request, view, args, kwargs):
#        pdb.set_trace()
        assert hasattr(request, 'session'), "Requires session middleware"
        if 'username' in request.session and 'password' in request.session:
            settings.DATABASE_USER = request.session['username']
            settings.DATABASE_PASSWORD = request.session['password']
            connection.close()
            opt={
                'DATABASE_ENGINE': settings.DATABASE_ENGINE,
                'DATABASE_NAME': settings.DATABASE_NAME,
                'DATABASE_USER': settings.DATABASE_USER,
                'DATABASE_PASSWORD': settings.DATABASE_PASSWORD,
                'DATABASE_HOST': settings.DATABASE_HOST,
                'DATABASE_PORT': settings.DATABASE_PORT,
            }
            backend.DatabaseWrapper(**opt)
        return None