def __init__(self, epc, item_class=None, dbname='EPCIS_DB'):
self.epc = epc
self.created = datetime.datetime.utcnow()
#self.item_class=item_class
if isinstance(item_class, physicalGood_class):
self.class_attributes = item_class.__dict__
#save the record into the database
db, dbname = mdb.setConnectionPymongo(dbname, not_enc=True)
#check if the record already exists
find = db['PhysicalGood'].find_one({'_id': epc})
if find == None: # if not found
document = {}
for key in list(self.__dict__.keys()):
#unpack if a dictionary
if isinstance(self.__dict__[key], dict):
for key_child in list(self.__dict__[key].keys()):
document[key_child] = self.__dict__[key][key_child]
elif key == 'epc': #set epc as _id
document['_id'] = self.__dict__['epc']
else:
document[key] = self.__dict__[key]
document['traceability'] = []
result = db['PhysicalGood'].insert_one(document)
def DELETEtransformationEvent(physicalGoodDict_input,
physicalGoodDict_output,
epcClass=None,
xformID=None,
quantity_in=1,
quantity_in_udm=None,
quantity_out=1,
quantity_out_udm=None,
nodeDict=None,
disposition=None,
bizStep=None,
bizTransactionList=None,
extensions={},
dbname="EPCIS_DB"):
results = {}
document = defineTranformationEvent(
physicalGoodDict_input=physicalGoodDict_input,
physicalGoodDict_output=physicalGoodDict_output,
epcClass=epcClass,
xformID=xformID,
quantity_in=quantity_in,
quantity_in_udm=quantity_in_udm,
quantity_out=quantity_out,
quantity_out_udm=quantity_out_udm,
nodeDict=nodeDict,
disposition=disposition,
bizStep=bizStep,
bizTransactionList=bizTransactionList,
extensions=extensions)
document['action'] = "DELETE"
#insert record
db, dbname = mdb.setConnectionPymongo(dbname, not_enc=True)
results['insert'] = db['TransformationEvent'].insert_one(document)
# update the traceability
results['track'] = db['PhysicalGood'].update_one(
{'_id': document['inputEpc']}, {'$push': {
'traceability': document
}})
results['track'] = db['PhysicalGood'].update_one(
{'_id': document['outputEpc']}, {'$push': {
'traceability': document
}})
return results
def DELETEobjectEvent(physicalGoodDict,
nodeDict,
quantity,
quantity_udm,
disposition=None,
bizTransactionList=None,
bizStep=None,
sourceDestList=None,
ilmd=None,
extensions={},
dbname="EPCIS_DB"):
results = {}
document = defineObjectEvent(physicalGoodDict=physicalGoodDict,
nodeDict=nodeDict,
quantity=quantity,
quantity_udm=quantity_udm,
disposition=disposition,
bizTransactionList=bizTransactionList,
bizStep=bizStep,
sourceDestList=sourceDestList,
ilmd=ilmd,
extensions=extensions)
document['action'] = "DELETE"
#insert record
db, dbname = mdb.setConnectionPymongo(dbname, not_enc=True)
results['insert'] = db['ObjectEvent'].insert_one(document)
#update the inventory function
results['inventory'] = deleteInventory(document, nodeDict, quantity,
quantity_udm, db)
# update the traceability
results['track'] = db['PhysicalGood'].update_one(
{'_id': document['epc']}, {'$push': {
'traceability': document
}})
return results
def DELETEtransactionEvent(physicalGoodDict,
nodeDict,
bizTransactionList,
DestnodeDict,
quantity,
quantity_udm,
bizStep=None,
parentID=None,
disposition=None,
extensions={},
dbname="EPCIS_DB"):
results = {}
document = defineTransactionEvent(physicalGoodDict=physicalGoodDict,
nodeDict=nodeDict,
bizTransactionList=bizTransactionList,
DestnodeDict=DestnodeDict,
quantity=quantity,
quantity_udm=quantity_udm,
bizStep=bizStep,
parentID=parentID,
disposition=disposition,
extensions=extensions)
document['action'] = "DELETE"
#insert record
db, dbname = mdb.setConnectionPymongo(dbname, not_enc=True)
results['insert'] = db['TransactionEvent'].insert_one(document)
# update the traceability
results['track'] = db['PhysicalGood'].update_one(
{'_id': document['epc']}, {'$push': {
'traceability': document
}})
return results
def OBSERVEaggregationEvent(physicalGoodDict_parent,
physicalGoodDict_child,
nodeDict=None,
disposition=None,
bizTransactionList=None,
bizStep=None,
sourceDestList=None,
extensions={},
dbname="EPCIS_DB"):
results = {}
document = defineAggregationEvent(physicalGoodDict_parent,
physicalGoodDict_child,
nodeDict=nodeDict,
disposition=disposition,
bizTransactionList=bizTransactionList,
bizStep=bizStep,
sourceDestList=sourceDestList,
extensions=extensions)
document['action'] = "OBSERVE"
#insert record
db, dbname = mdb.setConnectionPymongo(dbname, not_enc=True)
results['insert'] = db['AggregationEvent'].insert_one(document)
# update the traceability
results['track'] = db['PhysicalGood'].update_one(
{'_id': document['parent_epc']}, {'$push': {
'traceability': document
}})
results['track'] = db['PhysicalGood'].update_one(
{'_id': document['child_epc']}, {'$push': {
'traceability': document
}})
return results