286 lines
8.5 KiB
Python
286 lines
8.5 KiB
Python
from django.db import models, connection
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from utils.constants import ALGOS
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from evidence.models import Annotation, Evidence
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from lot.models import DeviceLot
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class Device:
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class Types(models.TextChoices):
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DESKTOP = "Desktop"
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LAPTOP = "Laptop"
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SERVER = "Server"
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GRAPHICCARD = "GraphicCard"
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HARDDRIVE = "HardDrive"
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SOLIDSTATEDRIVE = "SolidStateDrive"
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MOTHERBOARD = "Motherboard"
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NETWORKADAPTER = "NetworkAdapter"
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PROCESSOR = "Processor"
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RAMMODULE = "RamModule"
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SOUNDCARD = "SoundCard"
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DISPLAY = "Display"
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BATTERY = "Battery"
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CAMERA = "Camera"
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def __init__(self, *args, **kwargs):
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# the id is the chid of the device
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self.id = kwargs["id"]
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self.pk = self.id
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self.shortid = self.pk[:6].upper()
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self.algorithm = None
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self.owner = None
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self.annotations = []
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self.hids = []
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self.uuids = []
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self.evidences = []
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self.lots = []
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self.last_evidence = None
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self.get_last_evidence()
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def initial(self):
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self.get_annotations()
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self.get_uuids()
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self.get_hids()
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self.get_evidences()
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self.get_lots()
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def get_annotations(self):
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if self.annotations:
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return self.annotations
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self.annotations = Annotation.objects.filter(
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type=Annotation.Type.SYSTEM,
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value=self.id
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).order_by("-created")
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if self.annotations.count():
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self.algorithm = self.annotations[0].key
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self.owner = self.annotations[0].owner
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return self.annotations
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def get_user_annotations(self):
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if not self.uuids:
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self.get_uuids()
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annotations = Annotation.objects.filter(
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uuid__in=self.uuids,
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owner=self.owner,
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type=Annotation.Type.USER
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)
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return annotations
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def get_user_documents(self):
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if not self.uuids:
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self.get_uuids()
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annotations = Annotation.objects.filter(
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uuid__in=self.uuids,
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owner=self.owner,
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type=Annotation.Type.DOCUMENT
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)
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return annotations
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def get_uuids(self):
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for a in self.get_annotations():
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if a.uuid not in self.uuids:
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self.uuids.append(a.uuid)
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def get_hids(self):
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annotations = self.get_annotations()
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algos = list(ALGOS.keys())
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algos.append('CUSTOM_ID')
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self.hids = list(set(annotations.filter(
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type=Annotation.Type.SYSTEM,
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key__in=algos,
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).values_list("value", flat=True)))
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def get_evidences(self):
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if not self.uuids:
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self.get_uuids()
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self.evidences = [Evidence(u) for u in self.uuids]
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def get_last_evidence(self):
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annotations = self.get_annotations()
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if not annotations.count():
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return
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annotation = annotations.first()
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self.last_evidence = Evidence(annotation.uuid)
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def last_uuid(self):
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return self.uuids[0]
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def get_lots(self):
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self.lots = [x.lot for x in DeviceLot.objects.filter(device_id=self.id)]
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@classmethod
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def get_unassigned(cls, institution, offset=0, limit=None):
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sql = """
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WITH RankedAnnotations AS (
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SELECT
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t1.value,
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t1.key,
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ROW_NUMBER() OVER (
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PARTITION BY t1.uuid
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ORDER BY
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CASE
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WHEN t1.key = 'CUSTOM_ID' THEN 1
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WHEN t1.key = 'hidalgo1' THEN 2
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ELSE 3
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END,
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t1.created DESC
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) AS row_num
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FROM evidence_annotation AS t1
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LEFT JOIN lot_devicelot AS t2 ON t1.value = t2.device_id
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WHERE t2.device_id IS NULL
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AND t1.owner_id = {institution}
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AND t1.type = {type}
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)
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SELECT DISTINCT
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value
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FROM
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RankedAnnotations
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WHERE
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row_num = 1
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""".format(
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institution=institution.id,
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type=Annotation.Type.SYSTEM,
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)
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if limit:
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sql += " limit {} offset {}".format(int(limit), int(offset))
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sql += ";"
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annotations = []
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with connection.cursor() as cursor:
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cursor.execute(sql)
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annotations = cursor.fetchall()
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devices = [cls(id=x[0]) for x in annotations]
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count = cls.get_unassigned_count(institution)
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return devices, count
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@classmethod
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def get_unassigned_count(cls, institution):
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sql = """
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WITH RankedAnnotations AS (
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SELECT
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t1.value,
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t1.key,
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ROW_NUMBER() OVER (
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PARTITION BY t1.uuid
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ORDER BY
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CASE
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WHEN t1.key = 'CUSTOM_ID' THEN 1
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WHEN t1.key = 'hidalgo1' THEN 2
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ELSE 3
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END,
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t1.created DESC
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) AS row_num
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FROM evidence_annotation AS t1
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LEFT JOIN lot_devicelot AS t2 ON t1.value = t2.device_id
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WHERE t2.device_id IS NULL
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AND t1.owner_id = {institution}
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AND t1.type = {type}
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)
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SELECT
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COUNT(DISTINCT value)
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FROM
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RankedAnnotations
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WHERE
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row_num = 1
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""".format(
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institution=institution.id,
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type=Annotation.Type.SYSTEM,
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)
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with connection.cursor() as cursor:
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cursor.execute(sql)
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return cursor.fetchall()[0][0]
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@classmethod
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def get_annotation_from_uuid(cls, uuid, institution):
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sql = """
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WITH RankedAnnotations AS (
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SELECT
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t1.value,
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t1.key,
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ROW_NUMBER() OVER (
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PARTITION BY t1.uuid
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ORDER BY
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CASE
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WHEN t1.key = 'CUSTOM_ID' THEN 1
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WHEN t1.key = 'hidalgo1' THEN 2
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ELSE 3
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END,
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t1.created DESC
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) AS row_num
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FROM evidence_annotation AS t1
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LEFT JOIN lot_devicelot AS t2 ON t1.value = t2.device_id
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WHERE t2.device_id IS NULL
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AND t1.owner_id = {institution}
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AND t1.type = {type}
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AND t1.uuid = '{uuid}'
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)
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SELECT DISTINCT
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value
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FROM
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RankedAnnotations
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WHERE
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row_num = 1;
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""".format(
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uuid=uuid.replace("-", ""),
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institution=institution.id,
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type=Annotation.Type.SYSTEM,
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)
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annotations = []
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with connection.cursor() as cursor:
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cursor.execute(sql)
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annotations = cursor.fetchall()
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return cls(id=annotations[0][0])
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@property
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def is_websnapshot(self):
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if not self.last_evidence:
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self.get_last_evidence()
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return self.last_evidence.doc['type'] == "WebSnapshot"
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@property
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def last_user_evidence(self):
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if not self.last_evidence:
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self.get_last_evidence()
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return self.last_evidence.doc['kv'].items()
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@property
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def manufacturer(self):
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if not self.last_evidence:
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self.get_last_evidence()
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return self.last_evidence.get_manufacturer()
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@property
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def type(self):
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if self.last_evidence.doc['type'] == "WebSnapshot":
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return self.last_evidence.doc.get("device", {}).get("type", "")
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if not self.last_evidence:
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self.get_last_evidence()
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return self.last_evidence.get_chassis()
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@property
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def model(self):
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if not self.last_evidence:
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self.get_last_evidence()
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return self.last_evidence.get_model()
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@property
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def components(self):
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if not self.last_evidence:
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self.get_last_evidence()
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return self.last_evidence.get_components()
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