98 lines
3.3 KiB
Python
98 lines
3.3 KiB
Python
import datetime
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import time
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from trackdirect.common.Repository import Repository
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from trackdirect.objects.StationTelemetryParam import StationTelemetryParam
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class StationTelemetryParamRepository(Repository):
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"""A Repository class for the StationTelemetryParam class
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"""
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def __init__(self, db):
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"""The __init__ method.
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Args:
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db (psycopg2.Connection): Database connection
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"""
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self.db = db
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def getObjectById(self, id):
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"""The getObjectById method is supposed to return an object based on the specified id in database
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Args:
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id (int): Database row id
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Returns:
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StationTelemetryParam
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"""
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selectCursor = self.db.cursor()
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selectCursor.execute(
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"""select * from station_telemetry_param where id = %s""", (id,))
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record = selectCursor.fetchone()
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dbObject = self.create()
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if (record is not None):
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dbObject.id = record["id"]
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dbObject.stationId = record["station_id"]
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dbObject.createdTs = record["created_ts"]
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dbObject.latestTs = record["latest_ts"]
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dbObject.validToTs = record["valid_to_ts"]
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dbObject.p1 = record["p1"]
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dbObject.p2 = record["p2"]
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dbObject.p3 = record["p3"]
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dbObject.p4 = record["p4"]
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dbObject.p5 = record["p5"]
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dbObject.b1 = record["b1"]
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dbObject.b2 = record["b2"]
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dbObject.b3 = record["b3"]
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dbObject.b4 = record["b4"]
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dbObject.b5 = record["b5"]
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dbObject.b6 = record["b6"]
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dbObject.b7 = record["b7"]
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dbObject.b8 = record["b8"]
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else:
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# do not exists, return empty object
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pass
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selectCursor.close()
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return dbObject
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def getObjectFromPacketData(self, data):
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"""Create object from raw packet data
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Note:
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stationId will not be set
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Args:
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data (dict): Raw packet data
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Returns:
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StationTelemetryParam
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"""
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newObject = self.create()
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if ("tPARM" in data):
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# Remove one second since that will give us a more accurate timestamp
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newObject.createdTs = int(time.time()) - 1
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newObject.p1 = data["tPARM"][0].replace('\x00', '')
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newObject.p2 = data["tPARM"][1].replace('\x00', '')
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newObject.p3 = data["tPARM"][2].replace('\x00', '')
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newObject.p4 = data["tPARM"][3].replace('\x00', '')
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newObject.p5 = data["tPARM"][4].replace('\x00', '')
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newObject.b1 = data["tPARM"][5].replace('\x00', '')
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newObject.b2 = data["tPARM"][6].replace('\x00', '')
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newObject.b3 = data["tPARM"][7].replace('\x00', '')
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newObject.b4 = data["tPARM"][8].replace('\x00', '')
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newObject.b5 = data["tPARM"][9].replace('\x00', '')
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newObject.b6 = data["tPARM"][10].replace('\x00', '')
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newObject.b7 = data["tPARM"][11].replace('\x00', '')
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newObject.b8 = data["tPARM"][12].replace('\x00', '')
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return newObject
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def create(self):
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"""Creates an empty StationTelemetryParam object
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Returns:
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StationTelemetryParam
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"""
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return StationTelemetryParam(self.db)
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