devicehub-django/utils/device.py

109 lines
2.5 KiB
Python

import json
import uuid
import hashlib
import datetime
import logging
from django.core.exceptions import ValidationError
from evidence.xapian import index
from evidence.models import Annotation
from device.models import Device
logger = logging.getLogger('django')
def create_doc(data):
if not data:
return
doc = {}
device = {"manufacturer": "", "model": "", "amount": 1}
kv = {}
_uuid = str(uuid.uuid4())
customer_id = hashlib.sha3_256(_uuid.encode()).hexdigest()
for k, v in data.items():
if not v:
continue
if k.upper() == "CUSTOMER_ID":
customer_id = v
continue
if k.lower() == "type":
if v not in Device.Types.values:
raise ValidationError("{} is not a valid device".format(v))
device["type"] = v
elif k.lower() == "amount":
try:
amount = int(v)
device["amount"] = amount
except Exception:
pass
else:
kv[k] = v
if not device:
return
doc["device"] = device
if kv:
doc["kv"] = kv
date = datetime.datetime.now().strftime("%Y-%m-%dT%H:%M:%S")
if doc:
doc["uuid"] = _uuid
doc["endTime"] = date
doc["software"] = "DeviceHub"
doc["CUSTOMER_ID"] = customer_id
doc["type"] = "WebSnapshot"
return doc
def create_annotation(doc, user, commit=False):
if not doc or not doc.get('uuid') or not doc.get("CUSTOMER_ID"):
return []
data = {
'uuid': doc['uuid'],
'owner': user.institution,
'user': user,
'type': Annotation.Type.SYSTEM,
'key': 'CUSTOMER_ID',
'value': doc['CUSTOMER_ID'],
}
if commit:
annotation = Annotation.objects.filter(
uuid=doc["uuid"],
owner=user.institution,
type=Annotation.Type.SYSTEM,
)
if annotation:
txt = "Warning: Snapshot %s already registered (annotation exists)"
logger.warning(txt, doc["uuid"])
return annotation
return Annotation.objects.create(**data)
return Annotation(**data)
def create_index(doc, user):
if not doc or not doc.get('uuid'):
return []
_timestamp = doc['endTime']
_uuid = doc['uuid']
_device_id = doc['CUSTOMER_ID']
ev = json.dumps(doc)
index(user.institution, _device_id, _uuid, _timestamp, ev)