Synnefo

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from astakos.im.models import Service, Resource

from astakos.im.functions import qh_sync_all_users

def add_resources(service, resources, conf):

    try:

        s = Service.objects.get(name=service)

    except Service.DoesNotExist:

        raise Exception("Service %s is not registered." % (service))

    names = [resource['name'] for resource in resources]

    rs = Resource.objects.filter(name__in=names).select_for_update()

    rs = dict((r.name, r) for r in rs)

    for resource in resources:

        name = resource['name']

        existing = rs.get(name)

        r = existing if existing is not None else Resource()

        uplimit = conf.get(name)

        if uplimit is None:

            raise Exception("Limit for resource %s is missing." % (name))

        if not isinstance(uplimit, (int, long)):

            raise Exception("Limit for resource %s is not an integer." %

                            (name))

        r.uplimit = uplimit

        r.service = s

        for key, value in resource.iteritems():

            setattr(r, key, value)

        r.save()

    qh_sync_all_users()