evcs/models.py at master · mmetering/evcs · GitHub

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from django.db import models
from mmetering.models import Flat


class ChargingValue(models.Model):
    """
    Saves the meter value of the charging process.
    """
    rfid = models.CharField(max_length=30, verbose_name='RFID')
    charging_station = models.ForeignKey(Flat)
    start_time = models.DateTimeField(null=True)
    end_time = models.DateTimeField(null=True)
    start_value = models.FloatField(null=True, blank=True)
    start_value_l1 = models.FloatField(null=True, blank=True)
    start_value_l2 = models.FloatField(null=True, blank=True)
    start_value_l3 = models.FloatField(null=True, blank=True)
    end_value = models.FloatField(null=True, blank=True)
    end_value_l1 = models.FloatField(null=True, blank=True)
    end_value_l2 = models.FloatField(null=True, blank=True)
    end_value_l3 = models.FloatField(null=True, blank=True)

    def __str__(self):
        return "EVCS-Wert für Lader %s" % self.charging_station.name