listener

ereuse_devicehub/resources/action/models.py

@@ -43,7 +43,7 @@ from ereuse_devicehub.resources.device.models import Component, Computer, DataSt
     Device, Laptop, Server
 from ereuse_devicehub.resources.enums import AppearanceRange, BatteryHealth, BiosAccessRange, \
     ErasureStandards, FunctionalityRange, PhysicalErasureMethod, PriceSoftware, \
-    R_NEGATIVE, R_POSITIVE, RatingRange, ReceiverRole, Severity, SnapshotSoftware, \
+    R_NEGATIVE, R_POSITIVE, RatingRange, Severity, SnapshotSoftware, \
     TestDataStorageLength
 from ereuse_devicehub.resources.models import STR_SM_SIZE, Thing
 from ereuse_devicehub.resources.user.models import User
@@ -129,8 +129,7 @@ class Action(Thing):
     agent = relationship(Agent,
                          backref=backref('actions_agent', lazy=True, **_sorted_actions),
                          primaryjoin=agent_id == Agent.id)
-    agent_id.comment = """The direct performer or driver of the action. 
+    agent_id.comment = """The direct performer or driver of the action. e.g. John wrote a book.
-    e.g. John wrote a book.
 
     It can differ with the user that registered the action in the
     system, which can be in their behalf.
@@ -324,6 +323,7 @@ class Deallocate(JoinedTableMixin, ActionWithMultipleDevices):
     """
     pass
 
+
 class EraseBasic(JoinedWithOneDeviceMixin, ActionWithOneDevice):
     """An erasure attempt to a ``DataStorage``. The action contains
     information about success and nature of the erasure.
@@ -1373,7 +1373,6 @@ class Trade(JoinedTableMixin, ActionWithMultipleDevices):
                             backref=backref('confirmation', lazy=True, uselist=False),
                             primaryjoin=confirms_id == Organize.id)
     confirms_id.comment = """An organize action that this association confirms.
-    
     For example, a ``Sell`` or ``Rent``
     can confirm a ``Reserve`` action.
     """
@@ -1531,6 +1530,36 @@ def update_parent(target: Union[EraseBasic, Test, Install], device: Device, _, _
         target.parent = device.parent
 
 
+@event.listens_for(Allocate.devices, 'append')
+def update_allocated(target: Allocate, device, initiatort):
+    """Mark one device as allocated."""
+
+#    for device in target.devices:
+    actions = [a for a in device.actions]
+    actions.sort(key=lambda x: x.created)
+    actions.reverse()
+    allocate = None
+    #import pdb; pdb.set_trace()
+    for a in actions:
+        if isinstance(a, Allocate):
+            allocate = a
+            break
+        if isinstance(a, Deallocate):
+            break
+
+    if allocate:
+        txt = "You need deallocate before allocate this device again"
+        same_allocate = [
+            allocate.code == target.code,
+            allocate.start_time == target.start_time,
+            allocate.end_users == target.end_users
+        ]
+        assert all(same_allocate), txt
+
+        import pdb; pdb.set_trace()
+        target.allocated = True
+
+
 class InvalidRangeForPrice(ValueError):
     pass