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25 lines
781 B
Python
25 lines
781 B
Python
from django.db import models
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from django.core.validators import MinValueValidator
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from django.contrib.postgres.fields import JSONField
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from api.models import Device
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class Telemetry(models.Model):
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device = models.ForeignKey(Device, on_delete=models.CASCADE)
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time = models.DateTimeField(primary_key=True, auto_now_add=True)
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transport = models.CharField(max_length=4,
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choices=[('http', 'http'), ('mqtt', 'mqtt')],
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default='http')
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clock = models.IntegerField(
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validators=[MinValueValidator(0)],
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null=True)
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payload = JSONField()
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class Meta:
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ordering = ['-time', 'device']
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verbose_name_plural = "Telemetry"
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def __str__(self):
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return str(self.time)
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