UPDATE

farm_alerts/models.py

@@ -0,0 +1,67 @@
+import uuid as uuid_lib
+
+from django.db import models
+
+from farm_hub.models import FarmHub
+
+
+SEVERITY_CHOICES = [
+    ("info", "Info"),
+    ("warning", "Warning"),
+    ("error", "Error"),
+    ("success", "Success"),
+]
+
+
+class FarmAlert(models.Model):
+    uuid = models.UUIDField(default=uuid_lib.uuid4, unique=True, editable=False, db_index=True)
+    farm = models.ForeignKey(FarmHub, on_delete=models.CASCADE, related_name="farm_alerts", null=True, blank=True)
+    title = models.CharField(max_length=255)
+    description = models.TextField(blank=True, default="")
+    color = models.CharField(max_length=32, default="info", choices=SEVERITY_CHOICES)
+    avatar_icon = models.CharField(max_length=64, blank=True, default="")
+    avatar_color = models.CharField(max_length=32, blank=True, default="")
+    is_active = models.BooleanField(default=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        db_table = "farm_alerts"
+        ordering = ["-created_at"]
+
+    def __str__(self):
+        return f"{self.title} ({self.color})"
+
+
+class AnomalyDetection(models.Model):
+    uuid = models.UUIDField(default=uuid_lib.uuid4, unique=True, editable=False, db_index=True)
+    farm = models.ForeignKey(FarmHub, on_delete=models.CASCADE, related_name="anomalies", null=True, blank=True)
+    sensor = models.CharField(max_length=255)
+    value = models.CharField(max_length=64)
+    expected = models.CharField(max_length=64)
+    deviation = models.CharField(max_length=64)
+    severity = models.CharField(max_length=32, default="warning", choices=SEVERITY_CHOICES)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        db_table = "farm_anomaly_detections"
+        ordering = ["-created_at"]
+
+    def __str__(self):
+        return f"{self.sensor}: {self.value}"
+
+
+class Recommendation(models.Model):
+    uuid = models.UUIDField(default=uuid_lib.uuid4, unique=True, editable=False, db_index=True)
+    farm = models.ForeignKey(FarmHub, on_delete=models.CASCADE, related_name="recommendations", null=True, blank=True)
+    title = models.CharField(max_length=255)
+    subtitle = models.TextField(blank=True, default="")
+    avatar_icon = models.CharField(max_length=64, blank=True, default="")
+    avatar_color = models.CharField(max_length=32, blank=True, default="")
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        db_table = "farm_recommendations"
+        ordering = ["-created_at"]
+
+    def __str__(self):
+        return self.title