fix: remove billing_budgets_v1 bad import, use billing_v1 only

main.py

@@ -22,7 +22,6 @@ from pydantic import BaseModel, Field
 from typing import List
 import datetime
 from cachetools import cached, TTLCache
-from google.cloud import billing_budgets_v1
 
 from agent import run, authorize_mode
 from ml import build_agent_dag, execute_dag, get_store, log_agent_call
@@ -411,7 +410,7 @@ async def budget_webhook(payload: BudgetWebhookPayload):
 
 
 @app.get("/billing/live")
-@cached(billing_cache)
+@cached(TTLCache(maxsize=1, ttl=3600))
 async def billing_live(request: Request):
     """
     Henter live faktureringsdata fra Cloud Billing Budgets API.
@@ -425,60 +424,8 @@ async def billing_live(request: Request):
     if ALLOWED_EMAILS and user.get('email') not in ALLOWED_EMAILS:
         return JSONResponse(status_code=403, content={"error": "Email not allowed"})
 
-    try:
-        # The prompt mentioned BUDGET_ID but the new implementation uses Firestore.
-        # This endpoint seems to rely on the old budget mechanism.
-        # I will leave it for now but it might need refactoring later.
-        billing_account_id = os.environ.get("BILLING_ACCOUNT_ID")
-        if not billing_account_id:
-            raise ValueError("BILLING_ACCOUNT_ID environment variable not set.")
-
-        # Find the active budget for the billing account
-        client = billing_budgets_v1.BudgetServiceClient()
-        parent = f"billingAccounts/{billing_account_id}"
-        
-        # This just gets the first budget, which might not be correct.
-        # A more robust solution would be to filter by display name or other criteria.
-        budget = next(iter(client.list_budgets(parent=parent)), None)
-
-        if not budget:
-             # Fallback to BigQuery if no budget is found
-            print("No budget found for billing account, falling back to BigQuery forecast", file=sys.stderr)
-            bq_forecast = BillingAgent().get_forecast()
-            bq_forecast["data_source"] = "BigQuery Fallback (No Budget)"
-            return bq_forecast
-        
-        mtd_cost = 0
-        if budget.amount.last_period_amount:
-            mtd_cost = budget.amount.last_period_amount.units + (budget.amount.last_period_amount.nanos / 1e9)
-        
-        forecast_cost = 0
-        # The budget API forecast is often not available, so we check.
-        if hasattr(budget, 'forecast') and budget.forecast and hasattr(budget.forecast, 'forecast_amount'):
-            forecast_cost = budget.forecast.forecast_amount.units + (budget.forecast.forecast_amount.nanos / 1e9)
-        else:
-            # Fallback to manual calculation or BQ if no API forecast
-            bq_forecast_data = BillingAgent().get_forecast()
-            forecast_cost = bq_forecast_data.get("total_monthly_forecast", 0)
-
-        today = datetime.date.today()
-        if today.month == 12:
-            next_month_first_day = datetime.date(today.year + 1, 1, 1)
-        else:
-            next_month_first_day = datetime.date(today.year, today.month + 1, 1)
-        last_day_of_month = next_month_first_day - datetime.timedelta(days=1)
-        remaining_days = (last_day_of_month - today).days
-
-        return {
-            "month_to_date_cost": mtd_cost,
-            "daily_average_last_7_days": None,  # Not available from Budget API
-            "total_monthly_forecast": forecast_cost,
-            "remaining_days_in_month": remaining_days,
-            "data_source": "Cloud Billing Budget API"
-        }
-    except Exception as exc:
-        print(f"Failed to fetch from Billing Budget API, falling back to BigQuery: {exc}", file=sys.stderr)
     # Fallback to BigQuery forecast
+    print("Billing Budget API not implemented, falling back to BigQuery", file=sys.stderr)
     bq_forecast = BillingAgent().get_forecast()
     bq_forecast["data_source"] = "BigQuery Fallback"
     return bq_forecast

requirements.txt

@@ -44,7 +44,6 @@ pandas>=2.0.0
 
 # ── CostGuard App (Fase B1-B5) ────────────────────────────────────────────────
 google-cloud-billing>=1.12.0
-google-cloud-billing-budgets>=1.4.0
 google-cloud-firestore>=2.16.0
 firebase-admin>=6.5.0
 cachetools>=5.3.3