added validation, tawhiri request creation

api/services/tawhiri.py

@@ -0,0 +1,52 @@
+import requests
+from urllib.parse import urlencode
+from datetime import datetime
+from typing import Any
+from zoneinfo import ZoneInfo
+from collections import OrderedDict
+
+class TawhiriClient:
+    BASE_URL = "https://fly.stratonautica.ru/api/v2/"
+    TIMEOUT = 15
+
+    @staticmethod
+    def _convert_value(value: Any) -> Any:
+        if isinstance(value, datetime):
+            return value.isoformat().replace("+00:00", "Z")
+        return value
+
+    @classmethod
+    def get_prediction(cls, params: dict) -> dict:
+        url = cls.build_url(params)
+        print("🔍 URL:", url)
+        response = requests.get(url, timeout=cls.TIMEOUT)
+        response.raise_for_status()
+        return response.json()   
+
+    @classmethod
+    def build_url(cls, params: dict) -> str:
+        query = OrderedDict()
+
+        query["profile"] = params.get("profile")
+        query["launch_datetime"] = cls._convert_value(params.get("launch_datetime"))
+        query["launch_latitude"] = params.get("launch_latitude")
+        query["launch_longitude"] = params.get("launch_longitude")
+        query["launch_altitude"] = params.get("launch_altitude", 0)
+        query["ascent_rate"] = params.get("ascent_rate")
+        query["burst_altitude"] = params.get("burst_altitude")
+        query["descent_rate"] = params.get("descent_rate")
+        query["interpolate"] = str(params.get("interpolate", False)).lower()
+        query["dataset"] = cls._convert_value(params.get("dataset"))
+        query["format"] = params.get("format", "json")
+        query["pred_type"] = "single"  # <-- в конце
+
+        filtered = {k: v for k, v in query.items() if v is not None}
+        return f"{cls.BASE_URL}?{urlencode(filtered)}"
+
+
+    @classmethod
+    def get_prediction(cls, params: dict) -> dict:
+        url = cls.build_url(params)
+        response = requests.get(url, timeout=cls.TIMEOUT)
+        response.raise_for_status()
+        return response.json()