add heleket

services/payment_service.py

@@ -0,0 +1,90 @@
+"""Heleket payment integration."""
+
+import logging
+from typing import Optional
+import aiohttp
+
+from config.settings import settings
+
+logger = logging.getLogger(__name__)
+
+
+class HelketPayment:
+    """Heleket payment gateway. Принимает сумму в рублях напрямую."""
+
+    BASE_URL = "https://api.heleket.com/v1"
+
+    def __init__(self):
+        self.api_key = settings.HELEKET_API_KEY
+        self.shop_id = settings.HELEKET_SHOP_ID
+        self._mock = not (self.api_key and self.shop_id)
+
+    async def create_invoice(self, amount_rub: int, order_id: str) -> Optional[dict]:
+        """
+        Создаёт счёт на сумму в рублях.
+        Возвращает dict: payment_id, address, url.  None при ошибке.
+        """
+        if self._mock:
+            return {
+                "payment_id": f"mock_{order_id}",
+                "address": None,
+                "url": None,
+                "mock": True,
+            }
+
+        try:
+            async with aiohttp.ClientSession() as session:
+                payload = {
+                    "shop_id": self.shop_id,
+                    "amount": str(amount_rub),
+                    "currency": "RUB",
+                    "order_id": order_id,
+                    "url_return": "",
+                    "url_callback": "",
+                }
+                headers = {"merchant": self.api_key, "Content-Type": "application/json"}
+                async with session.post(
+                    f"{self.BASE_URL}/payment",
+                    json=payload,
+                    headers=headers,
+                    timeout=aiohttp.ClientTimeout(total=15),
+                ) as resp:
+                    data = await resp.json()
+                    if data.get("state") == 0:
+                        r = data.get("result", {})
+                        return {
+                            "payment_id": r.get("uuid"),
+                            "address": r.get("address"),
+                            "url": r.get("url"),
+                            "mock": False,
+                        }
+                    logger.error(f"Heleket create error: {data}")
+                    return None
+        except Exception as e:
+            logger.error(f"Heleket request error: {e}")
+            return None
+
+    async def check_status(self, payment_id: str) -> str:
+        """Возвращает: 'paid' | 'pending' | 'expired' | 'error'"""
+        if payment_id.startswith("mock_"):
+            return "pending"
+        try:
+            async with aiohttp.ClientSession() as session:
+                headers = {"merchant": self.api_key}
+                async with session.get(
+                    f"{self.BASE_URL}/payment/info/{payment_id}",
+                    headers=headers,
+                    timeout=aiohttp.ClientTimeout(total=15),
+                ) as resp:
+                    data = await resp.json()
+                    if data.get("state") == 0:
+                        status = data.get("result", {}).get("status", "")
+                        if status == "paid":
+                            return "paid"
+                        if status in ("cancel", "expired"):
+                            return "expired"
+                        return "pending"
+                    return "error"
+        except Exception as e:
+            logger.error(f"Heleket check error: {e}")
+            return "error"