trackdirect2/server/trackdirect/repositories/StationTelemetryParamReposi...

110 lines
3.9 KiB
Python

import time
from server.trackdirect.common.Repository import Repository
from server.trackdirect.objects.StationTelemetryParam import StationTelemetryParam
class StationTelemetryParamRepository(Repository):
"""A Repository class for the StationTelemetryParam class."""
def __init__(self, db):
"""Initialize the repository with a database connection.
Args:
db (psycopg2.Connection): Database connection
"""
super().__init__(db)
def get_object_by_id(self, id: int) -> StationTelemetryParam:
"""Retrieve a StationTelemetryParam object by its ID from the database.
Args:
id (int): Database row ID
Returns:
StationTelemetryParam: The retrieved object or an empty object if not found
"""
with self.db.cursor() as cursor:
cursor.execute(
"SELECT * FROM station_telemetry_param WHERE id = %s", (id,)
)
record = cursor.fetchone()
db_object = self.create()
if record:
self._populate_db_object(db_object, record)
return db_object
def get_object_from_packet_data(self, data: dict) -> StationTelemetryParam:
"""Create a StationTelemetryParam object from raw packet data.
Note:
stationId will not be set.
Args:
data (dict): Raw packet data
Returns:
StationTelemetryParam: The created object
"""
new_object = self.create()
if "tPARM" in data:
new_object.created_ts = str(int(time.time()) - 1)
self._populate_from_packet_data(new_object, data["tPARM"])
return new_object
def create(self) -> StationTelemetryParam:
"""Create an empty StationTelemetryParam object.
Returns:
StationTelemetryParam: The created object
"""
return StationTelemetryParam(self.db)
def _populate_db_object(self, db_object: StationTelemetryParam, record: dict):
"""Populate a StationTelemetryParam object with data from a database record.
Args:
db_object (StationTelemetryParam): The object to populate
record (dict): The database record
"""
db_object.id = record["id"]
db_object.station_id = record["station_id"]
db_object.created_ts = record["created_ts"]
db_object.latest_ts = record["latest_ts"]
db_object.valid_to_ts = record["valid_to_ts"]
db_object.p1 = record["p1"]
db_object.p2 = record["p2"]
db_object.p3 = record["p3"]
db_object.p4 = record["p4"]
db_object.p5 = record["p5"]
db_object.b1 = record["b1"]
db_object.b2 = record["b2"]
db_object.b3 = record["b3"]
db_object.b4 = record["b4"]
db_object.b5 = record["b5"]
db_object.b6 = record["b6"]
db_object.b7 = record["b7"]
db_object.b8 = record["b8"]
def _populate_from_packet_data(self, new_object: StationTelemetryParam, tparm: list):
"""Populate a StationTelemetryParam object with data from packet data.
Args:
new_object (StationTelemetryParam): The object to populate
tparm (list): The packet data
"""
new_object.p1 = tparm[0].replace('\x00', '')
new_object.p2 = tparm[1].replace('\x00', '')
new_object.p3 = tparm[2].replace('\x00', '')
new_object.p4 = tparm[3].replace('\x00', '')
new_object.p5 = tparm[4].replace('\x00', '')
new_object.b1 = tparm[5].replace('\x00', '')
new_object.b2 = tparm[6].replace('\x00', '')
new_object.b3 = tparm[7].replace('\x00', '')
new_object.b4 = tparm[8].replace('\x00', '')
new_object.b5 = tparm[9].replace('\x00', '')
new_object.b6 = tparm[10].replace('\x00', '')
new_object.b7 = tparm[11].replace('\x00', '')
new_object.b8 = tparm[12].replace('\x00', '')