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  • # Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
    #
    # Licensed under the Apache License, Version 2.0 (the "License");
    # you may not use this file except in compliance with the License.
    # You may obtain a copy of the License at
    #
    #     http://www.apache.org/licenses/LICENSE-2.0
    #
    # Unless required by applicable law or agreed to in writing, software
    # distributed under the License is distributed on an "AS IS" BASIS,
    # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    # See the License for the specific language governing permissions and
    # limitations under the License.
    
    
    import operator
    from sqlalchemy import CheckConstraint, Column, DateTime, Float, Enum, ForeignKey, Integer, String
    from sqlalchemy.dialects.postgresql import UUID, ARRAY
    from sqlalchemy.orm import relationship
    from typing import Dict
    from ._Base import _Base
    from .enums.QKDAppStatus import ORM_QKDAppStatusEnum
    from .enums.QKDAppTypes import ORM_QKDAppTypesEnum
    
    class AppModel(_Base):
        __tablename__ = 'app'
    
        app_uuid            = Column(UUID(as_uuid=False), primary_key=True)
        context_uuid        = Column(UUID(as_uuid=False), nullable=False) # Supposed to be Foreign Key
        app_status          = Column(Enum(ORM_QKDAppStatusEnum), nullable=False)
        app_type            = Column(Enum(ORM_QKDAppTypesEnum), nullable=False)
        server_app_id       = Column(String, nullable=False)
        client_app_id       = Column(ARRAY(String), nullable=False)
        backing_qkdl_uuid   = Column(ARRAY(UUID(as_uuid=False)), nullable=False)
        local_device_uuid   = Column(UUID(as_uuid=False), nullable=False)
        remote_device_uuid  = Column(UUID(as_uuid=False), nullable=True)
    
        # Optare: Created_at and Updated_at are only used to know if an app was updated later on the code. Don't change it
    
        created_at          = Column(DateTime, nullable=False)
        updated_at          = Column(DateTime, nullable=False)
    
        #__table_args__ = (
        #    CheckConstraint(... >= 0, name='name_value_...'),
        #)
    
        def dump_id(self) -> Dict:
            return {
                'context_id': {'context_uuid': {'uuid': self.context_uuid}},
                'app_uuid': {'uuid': self.app_uuid}
            }
    
        def dump(self) -> Dict:
            result = {
                'app_id'           : self.dump_id(),
                'app_status'       : self.app_status.value,
                'app_type'         : self.app_type.value,
                'server_app_id'    : self.server_app_id,
                'client_app_id'    : self.client_app_id,
                'backing_qkdl_id'  : [{'qkdl_uuid': {'uuid': qkdl_id}} for qkdl_id in self.backing_qkdl_uuid],
                'local_device_id'  : {'device_uuid': {'uuid': self.local_device_uuid}},
                'remote_device_id' : {'device_uuid': {'uuid': self.remote_device_uuid}},
            }
            return result