feat(api): integrate Sitar API configuration and authentication

backend/api/v1/modules/a76/general_catalogs/exchange_rate/services.py

@@ -145,10 +145,11 @@ class ExchangeRateService:
         return True
 
     @staticmethod
-    def _get_external_api_token(base_url, username, password) -> Optional[str]:
+    def _get_sitar_api_token(base_url, username, password) -> Optional[str]:
         """Helper to get authentication token from external API"""
         try:
-            login_url = f"{base_url}/auth/login"
+            print(base_url)
+            login_url = f"{base_url}/exchange-rate/auth/login"
             payload = {"username": username, "password": password}
             headers = {"Content-Type": "application/json"}
             
@@ -176,9 +177,9 @@ class ExchangeRateService:
             Optional[float]: The exchange rate value if found, None otherwise.
         """
         # API Credentials
-        API_BASE_URL = settings.EXTERNAL_API_URL
-        API_USER = settings.EXTERNAL_API_USER
-        API_PASS = settings.EXTERNAL_API_PASSWORD
+        API_BASE_URL = settings.SITAR_API_URL
+        API_USER = settings.SITAR_API_USER
+        API_PASS = settings.SITAR_API_PASSWORD
         
         if not API_USER or not API_PASS:
             print("ERROR: External API credentials not properly configured in settings")
@@ -188,14 +189,14 @@ class ExchangeRateService:
             print(f"DEBUG: Fetching External API for date: {date_str}")
             
             # 1. Get Token
-            token = ExchangeRateService._get_external_api_token(API_BASE_URL, API_USER, API_PASS)
+            token = ExchangeRateService._get_sitar_api_token(API_BASE_URL, API_USER, API_PASS)
             if not token:
                 print("Failed to obtain external API token")
                 return None
                 
             # 2. Fetch Exchange Rate
             # The API endpoint is /tipoCambio/{YYYY-MM-DD}
-            tc_endpoint = f"{API_BASE_URL}/tipoCambio/{date_str}"
+            tc_endpoint = f"{API_BASE_URL}/exchange-rate/tipoCambio/{date_str}"
             
             # Auth header: The API expects just the token string in common usage, but we try standard first
             # based on user feedback/code: 'Authorization:' . $token