Make backend start on PostgreSQL

backend/services/geo_service.py

@@ -27,6 +27,8 @@ CACHE_TTL_HOURS = 24
 OVERPASS_URL = "https://overpass-api.de/api/interpreter"
 
 # Direction mappings
+SEARCH_DISTANCES = [500, 1000, 2000, 5000]
+
 DIRECTIONS = ["N", "NE", "E", "SE", "S", "SW", "W", "NW"]
 DIRECTION_ANGLES = {
     "N": 0,

backend/services/stats_service.py

@@ -1,6 +1,11 @@
 from __future__ import annotations
 
-from backend.database import db
+from typing import Any
+
+try:
+    from backend.database import db
+except ImportError:  # pragma: no cover - compatibility for direct service imports
+    from database import db
 
 
 def summary() -> dict:
@@ -9,3 +14,26 @@ def summary() -> dict:
 
 def heatmap() -> list[dict]:
     return db.heatmap()
+
+
+def get_statistical_recommendation(case_data: dict[str, Any]) -> dict[str, Any]:
+    score = 0
+    age = case_data.get('age') or case_data.get('age_years')
+    elapsed = case_data.get('elapsed_hours')
+    terrain = str(case_data.get('terrain') or case_data.get('terrain_primary') or '').lower()
+    weather = str(case_data.get('weather') or case_data.get('precipitation') or '').lower()
+
+    if age is not None and age < 12:
+        score += 20
+    if elapsed is not None and elapsed >= 12:
+        score += 20
+    if any(token in terrain for token in ('лес', 'болото', 'вода')):
+        score += 15
+    if any(token in weather for token in ('дождь', 'туман', 'снег', 'ночь')):
+        score += 15
+
+    return {
+        'score': score,
+        'priority': 'high' if score >= 40 else 'normal',
+        'recommendation': 'Высокий приоритет на прочёс и дрон' if score >= 40 else 'Стандартный приоритет поиска',
+    }