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Fix syncing for Add/remove

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Xavier Bustamante Talavera 2018-06-16 15:33:56 +02:00
parent d2af894174
commit f00c6f2f49
1 changed files with 9 additions and 3 deletions
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12
ereuse_devicehub/resources/event/models.py
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@ -98,6 +98,9 @@ class Event(Thing):
For example: an ``Allocate`` is performed to a Computer and this
relationship is filled with the components the computer had
at the time of the event.
For Add and Remove though, this has another meaning: the components
that are added or removed.
"""
parent_id = Column(BigInteger, ForeignKey(Computer.id))
parent = relationship(Computer,
@ -438,9 +441,12 @@ def update_components_event_one(target: EventWithOneDevice, device: Device, __,
Syncs the :attr:`.Event.components` with the components in
:attr:`ereuse_devicehub.resources.device.models.Computer.components`.
"""
target.components.clear()
if isinstance(device, Computer):
target.components |= device.components
# For Add and Remove, ``components`` have different meanings
# see Event.components for more info
if not isinstance(target, (Add, Remove)):
target.components.clear()
if isinstance(device, Computer):
target.components |= device.components
@event.listens_for(EventWithMultipleDevices.devices, Events.init_collection.__name__,