UPDATE

2026-04-25 17:22:41 +03:30
parent 569d520a5c
commit aa24fc22b0
124 changed files with 8491 additions and 2582 deletions
@@ -0,0 +1,92 @@
+from __future__ import annotations
+
+from typing import Any
+
+from farm_data.models import SensorData
+from .remote_sensing import fetch_or_get_ndvi_observation
+
+
+def _ndvi_explanation(observation, ai_bundle: dict | None = None) -> str:
+    ai_bundle = ai_bundle or {}
+    ai_payload = ai_bundle.get("ndviHealthCard", {}) if isinstance(ai_bundle, dict) else {}
+    explanation = ai_payload.get("explanation")
+    if isinstance(explanation, str) and explanation.strip():
+        return explanation.strip()
+    return (
+        f"میانگین NDVI مزرعه {observation.mean_ndvi} ثبت شده و کلاس سلامت پوشش گیاهی "
+        f"در وضعیت {observation.vegetation_health_class} قرار دارد."
+    )
+
+
+def _build_ndvi_health_card(location: Any, ai_bundle: dict | None = None) -> dict[str, Any]:
+    if location is None:
+        return {
+            "mean_ndvi": None,
+            "ndvi_map": {},
+            "vegetation_health_class": None,
+            "observation_date": None,
+            "satellite_source": None,
+            "healthData": [],
+        }
+
+    observation = fetch_or_get_ndvi_observation(location)
+    if observation is None:
+        return {
+            "mean_ndvi": None,
+            "ndvi_map": {},
+            "vegetation_health_class": "Unavailable",
+            "observation_date": None,
+            "satellite_source": None,
+            "healthData": [
+                {
+                    "title": "وضعیت NDVI",
+                    "value": "داده ماهواره‌ای موجود نیست",
+                    "color": "warning",
+                    "icon": "tabler-satellite-off",
+                },
+            ],
+        }
+
+    mean_value = round(observation.mean_ndvi, 2)
+    vegetation_class = observation.vegetation_health_class
+    return {
+        "ndviIndex": mean_value,
+        "mean_ndvi": mean_value,
+        "ndvi_map": observation.ndvi_map,
+        "vegetation_health_class": vegetation_class,
+        "observation_date": observation.observation_date.isoformat(),
+        "satellite_source": observation.satellite_source,
+        "healthData": [
+            {
+                "title": "سلامت پوشش گیاهی",
+                "value": vegetation_class,
+                "color": "success" if mean_value > 0.6 else "warning" if mean_value >= 0.4 else "error",
+                "icon": "tabler-plant",
+            },
+            {
+                "title": "تاریخ مشاهده",
+                "value": observation.observation_date.isoformat(),
+                "color": "info",
+                "icon": "tabler-calendar",
+            },
+            {
+                "title": "تفسیر",
+                "value": _ndvi_explanation(observation, ai_bundle=ai_bundle),
+                "color": "primary",
+                "icon": "tabler-message-2",
+            },
+        ],
+    }
+
+
+class NdviHealthService:
+    def get_ndvi_health(self, *, farm_uuid: str) -> dict[str, Any]:
+        sensor = (
+            SensorData.objects.select_related("center_location")
+            .filter(farm_uuid=farm_uuid)
+            .first()
+        )
+        if sensor is None:
+            raise ValueError("Farm not found.")
+
+        return _build_ndvi_health_card(sensor.center_location, ai_bundle=None)