68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
from django.db import models
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class DashboardCardSnapshot(models.Model):
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sensor_id = models.UUIDField(db_index=True)
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card_name = models.CharField(max_length=128, db_index=True)
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payload = models.JSONField(default=dict, blank=True)
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generated_at = models.DateTimeField(auto_now_add=True, db_index=True)
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expires_at = models.DateTimeField(db_index=True)
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source = models.CharField(max_length=32, default="computed")
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class Meta:
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ordering = ["-generated_at"]
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indexes = [
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models.Index(fields=["sensor_id", "card_name", "-generated_at"]),
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]
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verbose_name = "Dashboard Card Snapshot"
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verbose_name_plural = "Dashboard Card Snapshots"
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def __str__(self):
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return f"{self.card_name} - {self.sensor_id} - {self.generated_at}"
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class DashboardAiRequestLog(models.Model):
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sensor_id = models.UUIDField(db_index=True)
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request_payload = models.JSONField(default=dict, blank=True)
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response_payload = models.JSONField(default=dict, blank=True)
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status = models.CharField(max_length=32, default="pending")
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created_at = models.DateTimeField(auto_now_add=True, db_index=True)
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class Meta:
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ordering = ["-created_at"]
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verbose_name = "Dashboard AI Request Log"
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verbose_name_plural = "Dashboard AI Request Logs"
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def __str__(self):
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return f"{self.sensor_id} - {self.status} - {self.created_at}"
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class NdviObservation(models.Model):
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location = models.ForeignKey(
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"location_data.SoilLocation",
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on_delete=models.CASCADE,
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related_name="ndvi_observations",
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)
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observation_date = models.DateField(db_index=True)
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mean_ndvi = models.FloatField()
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ndvi_map = models.JSONField(default=dict, blank=True)
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vegetation_health_class = models.CharField(max_length=64)
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satellite_source = models.CharField(max_length=64, default="sentinel-2")
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cloud_cover = models.FloatField(null=True, blank=True)
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metadata = models.JSONField(default=dict, blank=True)
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created_at = models.DateTimeField(auto_now_add=True, db_index=True)
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class Meta:
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ordering = ["-observation_date", "-created_at"]
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constraints = [
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models.UniqueConstraint(
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fields=["location", "observation_date", "satellite_source"],
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name="ndvi_unique_location_date_source",
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)
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]
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verbose_name = "NDVI Observation"
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verbose_name_plural = "NDVI Observations"
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def __str__(self):
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return f"NDVI {self.location_id} {self.observation_date} {self.satellite_source}"
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