# -*- cpy-indent-level: 4; indent-tabs-mode: nil -*-
# ex: set expandtab softtabstop=4 shiftwidth=4:
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#     http://www.apache.org/licenses/LICENSE-2.0
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from sqlalchemy.orm import with_polymorphic, joinedload

from aquilon.aqdb.model import ParamDefinition, ParamDefHolder, ArchetypeParamDef, FeatureParamDef, Feature, Archetype
from aquilon.worker.broker import BrokerCommand


class CommandShowParameterDefinitionAll(BrokerCommand):

    required_parameters = []

    def render(self, session, **_):
        session.query(Archetype).all()
        session.query(Feature).all()
        q = session.query(ParamDefinition)
        holders = with_polymorphic(ParamDefHolder, [ArchetypeParamDef, FeatureParamDef], flat=True)
        q = q.options(joinedload(ParamDefinition.holder.of_type(holders)))
        return q.all()
