UPDATE

irrigation/models.py

@@ -0,0 +1,45 @@
+import uuid
+
+from django.db import models
+
+from farm_hub.models import FarmHub
+
+
+class IrrigationRecommendationRequest(models.Model):
+    STATUS_IN_PROGRESS = "in_progress"
+    STATUS_PENDING_CONFIRMATION = "pending_confirmation"
+    STATUS_COMPLETED = "completed"
+    STATUS_ERROR = "error"
+    STATUS_CHOICES = (
+        (STATUS_IN_PROGRESS, "در حال اجرا"),
+        (STATUS_PENDING_CONFIRMATION, "منتظر تایید"),
+        (STATUS_COMPLETED, "پایان یافته"),
+        (STATUS_ERROR, "خطا"),
+    )
+
+    uuid = models.UUIDField(default=uuid.uuid4, unique=True, editable=False, db_index=True)
+    farm = models.ForeignKey(
+        FarmHub,
+        on_delete=models.CASCADE,
+        related_name="irrigations",
+    )
+    crop_id = models.CharField(max_length=255, blank=True, default="")
+    growth_stage = models.CharField(max_length=255, blank=True, default="")
+    task_id = models.CharField(max_length=255, blank=True, default="", db_index=True)
+    status = models.CharField(
+        max_length=64,
+        choices=STATUS_CHOICES,
+        default=STATUS_PENDING_CONFIRMATION,
+        db_index=True,
+    )
+    request_payload = models.JSONField(default=dict, blank=True)
+    response_payload = models.JSONField(default=dict, blank=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        db_table = "irrigation_requests"
+        ordering = ["-created_at", "-id"]
+
+    def __str__(self):
+        return self.task_id or str(self.uuid)