68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
import uuid as uuid_lib
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from django.db import models
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class SensorCatalog(models.Model):
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uuid = models.UUIDField(default=uuid_lib.uuid4, unique=True, editable=False, db_index=True)
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code = models.CharField(max_length=255, unique=True, db_index=True)
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name = models.CharField(max_length=255, unique=True, db_index=True)
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description = models.TextField(blank=True, default="")
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customizable_fields = models.JSONField(default=list, blank=True)
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supported_power_sources = models.JSONField(default=list, blank=True)
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returned_data_fields = models.JSONField(default=list, blank=True)
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sample_payload = models.JSONField(default=dict, blank=True)
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is_active = models.BooleanField(default=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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db_table = "sensor_catalogs"
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ordering = ["code"]
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def __str__(self):
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return self.name
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class FarmSensor(models.Model):
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uuid = models.UUIDField(default=uuid_lib.uuid4, unique=True, editable=False, db_index=True)
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farm = models.ForeignKey("farm_hub.FarmHub", on_delete=models.CASCADE, related_name="sensors")
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sensor_catalog = models.ForeignKey(
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SensorCatalog,
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on_delete=models.PROTECT,
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related_name="farm_sensors",
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null=True,
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blank=True,
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)
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physical_device_uuid = models.UUIDField(default=uuid_lib.uuid4, unique=True, db_index=True)
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name = models.CharField(max_length=255)
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sensor_type = models.CharField(max_length=255, blank=True, default="")
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is_active = models.BooleanField(default=True)
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specifications = models.JSONField(default=dict, blank=True)
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power_source = models.JSONField(default=dict, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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db_table = "farm_sensors"
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ordering = ["-created_at"]
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def __str__(self):
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return f"{self.name} ({self.uuid})"
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class SensorExternalRequestLog(models.Model):
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farm_uuid = models.UUIDField(db_index=True)
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sensor_catalog_uuid = models.UUIDField(null=True, blank=True, db_index=True)
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physical_device_uuid = models.UUIDField(db_index=True)
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payload = models.JSONField(default=dict, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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db_table = "sensor_external_request_logs"
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ordering = ["-created_at", "-id"]
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def __str__(self):
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return f"{self.physical_device_uuid}:{self.created_at.isoformat()}"
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