Integrate the payment api

app/routers/payment.py

@@ -0,0 +1,20 @@
+from fastapi import APIRouter
+from app.services.vaults_pay import VaultsPayService
+
+router = APIRouter()
+
+vault_service = VaultsPayService()
+
+@router.get("/vaults/token")
+def get_vaults_token():
+    try:
+        token = vault_service.get_token()
+        return {
+            "status": "success",
+            "access_token": token
+        }
+    except Exception as e:
+        return {
+            "status": "error",
+            "message": str(e)
+        }

app/services/vaults_pay.py

@@ -0,0 +1,42 @@
+import requests
+import time
+
+class VaultsPayService:
+    
+    BASE_URL = "https://testapi.vaultspay.com/public/external/v1"
+    
+    def __init__(self):
+        self.client_id = "ID-4564629946"
+        self.client_secret = "SECRET-XXXXX"
+        
+        self.access_token = None
+        self.token_expiry_time = 0
+
+    def get_token(self):
+        # 🔁 reuse token if not expired
+        if self.access_token and time.time() < self.token_expiry_time:
+            return self.access_token
+
+        url = f"{self.BASE_URL}/merchant-auth"
+
+        response = requests.post(
+            url,
+            data={
+                "clientId": self.client_id,
+                "clientSecret": self.client_secret
+            }
+        )
+
+        data = response.json()
+
+        if response.status_code != 200:
+            raise Exception("VaultsPay Auth Failed")
+
+        token = data["data"]["access_token"]
+        expiry = data["data"]["token_expiry"]
+
+        # ⏱️ store token with expiry buffer
+        self.access_token = token
+        self.token_expiry_time = time.time() + expiry - 30  # buffer
+
+        return token

main.py

@@ -12,6 +12,7 @@ from app.routers import categorybudget
 from app.routers import budget
 # from openai import OpenAI
 from app.routers import chat_ws
+from app.routers.payment import router as vault_router
 # create missing tables (won't alter existing columns)
 Base.metadata.create_all(bind=engine)
 
@@ -44,6 +45,7 @@ app.include_router(expense.router)
 app.include_router(categorybudget.router)
 app.include_router(budget.router)
 app.include_router(chat_ws.router)
+app.include_router(vault_router)
 # app.include_router(users.router)
 # app.include_router(posts.router)
 # app.include_router(comments.router)