from .cluster import Cluster


class Esales(object):

    def __init__(self, app=None):
        self.cluster = Cluster()

        if app:
            self.init_app(app)

    def init_app(self, app):
        if not 'ESALES_URL' in app.config:
            raise Exception('ESALES_URL missing in config')
        self.cluster.url = app.config.get('ESALES_URL')