95 lines
2.5 KiB
Python
95 lines
2.5 KiB
Python
import uuid
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from typing import Set
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import marshmallow as ma
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from flask import request
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from teal.resource import View
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from ereuse_devicehub.db import db
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from ereuse_devicehub.resources.lot.models import Lot
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class LotView(View):
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def post(self):
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l = request.get_json()
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lot = Lot(**l)
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db.session.add(lot)
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db.session.commit()
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ret = self.schema.jsonify(lot)
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ret.status_code = 201
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return ret
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def one(self, id: uuid.UUID):
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"""Gets one event."""
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lot = Lot.query.filter_by(id=id).one() # type: Lot
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return self.schema.jsonify(lot)
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class LotBaseChildrenView(View):
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"""Base class for adding / removing children devices and
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lots from a lot.
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"""
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class ListArgs(ma.Schema):
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id = ma.fields.List(ma.fields.UUID())
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def __init__(self, definition: 'Resource', **kw) -> None:
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super().__init__(definition, **kw)
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self.list_args = self.ListArgs()
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def get_ids(self) -> Set[uuid.UUID]:
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args = self.QUERY_PARSER.parse(self.list_args, request, locations=('querystring',))
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return set(args['id'])
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def get_lot(self, id: uuid.UUID) -> Lot:
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return Lot.query.filter_by(id=id).one()
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# noinspection PyMethodOverriding
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def post(self, id: uuid.UUID):
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lot = self.get_lot(id)
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self._post(lot, self.get_ids())
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db.session.commit()
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ret = self.schema.jsonify(lot)
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ret.status_code = 201
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return ret
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def delete(self, id: uuid.UUID):
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lot = self.get_lot(id)
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self._delete(lot, self.get_ids())
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db.session.commit()
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return self.schema.jsonify(lot)
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def _post(self, lot: Lot, ids: Set[uuid.UUID]):
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raise NotImplementedError
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def _delete(self, lot: Lot, ids: Set[uuid.UUID]):
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raise NotImplementedError
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class LotChildrenView(LotBaseChildrenView):
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"""View for adding and removing child lots from a lot.
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Ex. ``lot/<id>/children/id=X&id=Y``.
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"""
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def _post(self, lot: Lot, ids: Set[uuid.UUID]):
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for id in ids:
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lot.add_child(id) # todo what to do if child exists already?
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def _delete(self, lot: Lot, ids: Set[uuid.UUID]):
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for id in ids:
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lot.remove_child(id)
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class LotDeviceView(LotBaseChildrenView):
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"""View for adding and removing child devices from a lot.
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Ex. ``lot/<id>/devices/id=X&id=Y``.
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"""
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def _post(self, lot: Lot, ids: Set[uuid.UUID]):
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lot.devices |= self.get_ids()
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def _delete(self, lot: Lot, ids: Set[uuid.UUID]):
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lot.devices -= self.get_ids()
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