414 lines
16 KiB
Python
414 lines
16 KiB
Python
"""
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Subscription and Usage API Routes
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Provides endpoints for subscription management and usage monitoring.
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"""
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from fastapi import APIRouter, Depends, HTTPException, Query
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from sqlalchemy.orm import Session
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from typing import Dict, Any, Optional, List
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from datetime import datetime, timedelta
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from loguru import logger
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from functools import lru_cache
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from services.database import get_db
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from services.usage_tracking_service import UsageTrackingService
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from services.pricing_service import PricingService
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from models.subscription_models import (
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APIProvider, SubscriptionPlan, UserSubscription, UsageSummary,
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APIProviderPricing, UsageAlert, SubscriptionTier
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)
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router = APIRouter(prefix="/api/subscription", tags=["subscription"])
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# Simple in-process cache for dashboard responses to smooth bursts
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# Cache key: (user_id). TTL-like behavior implemented via timestamp check
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_dashboard_cache: Dict[str, Dict[str, Any]] = {}
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_dashboard_cache_ts: Dict[str, float] = {}
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_DASHBOARD_CACHE_TTL_SEC = 2.0
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@router.get("/usage/{user_id}")
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async def get_user_usage(
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user_id: str,
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billing_period: Optional[str] = Query(None, description="Billing period (YYYY-MM)"),
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get comprehensive usage statistics for a user."""
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try:
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usage_service = UsageTrackingService(db)
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stats = usage_service.get_user_usage_stats(user_id, billing_period)
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return {
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"success": True,
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"data": stats
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}
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except Exception as e:
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logger.error(f"Error getting user usage: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/usage/{user_id}/trends")
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async def get_usage_trends(
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user_id: str,
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months: int = Query(6, ge=1, le=24, description="Number of months to include"),
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get usage trends over time."""
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try:
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usage_service = UsageTrackingService(db)
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trends = usage_service.get_usage_trends(user_id, months)
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return {
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"success": True,
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"data": trends
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}
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except Exception as e:
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logger.error(f"Error getting usage trends: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/plans")
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async def get_subscription_plans(
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get all available subscription plans."""
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try:
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plans = db.query(SubscriptionPlan).filter(
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SubscriptionPlan.is_active == True
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).order_by(SubscriptionPlan.price_monthly).all()
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plans_data = []
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for plan in plans:
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plans_data.append({
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"id": plan.id,
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"name": plan.name,
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"tier": plan.tier.value,
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"price_monthly": plan.price_monthly,
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"price_yearly": plan.price_yearly,
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"description": plan.description,
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"features": plan.features or [],
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"limits": {
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"gemini_calls": plan.gemini_calls_limit,
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"openai_calls": plan.openai_calls_limit,
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"anthropic_calls": plan.anthropic_calls_limit,
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"mistral_calls": plan.mistral_calls_limit,
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"tavily_calls": plan.tavily_calls_limit,
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"serper_calls": plan.serper_calls_limit,
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"metaphor_calls": plan.metaphor_calls_limit,
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"firecrawl_calls": plan.firecrawl_calls_limit,
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"stability_calls": plan.stability_calls_limit,
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"gemini_tokens": plan.gemini_tokens_limit,
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"openai_tokens": plan.openai_tokens_limit,
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"anthropic_tokens": plan.anthropic_tokens_limit,
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"mistral_tokens": plan.mistral_tokens_limit,
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"monthly_cost": plan.monthly_cost_limit
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}
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})
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return {
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"success": True,
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"data": {
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"plans": plans_data,
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"total": len(plans_data)
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}
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}
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except Exception as e:
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logger.error(f"Error getting subscription plans: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/user/{user_id}/subscription")
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async def get_user_subscription(
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user_id: str,
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get user's current subscription information."""
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try:
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subscription = db.query(UserSubscription).filter(
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UserSubscription.user_id == user_id,
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UserSubscription.is_active == True
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).first()
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if not subscription:
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# Return free tier information
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free_plan = db.query(SubscriptionPlan).filter(
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SubscriptionPlan.tier == SubscriptionTier.FREE
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).first()
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if free_plan:
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return {
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"success": True,
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"data": {
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"subscription": None,
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"plan": {
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"id": free_plan.id,
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"name": free_plan.name,
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"tier": free_plan.tier.value,
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"price_monthly": free_plan.price_monthly,
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"description": free_plan.description,
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"is_free": True
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},
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"status": "free",
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"limits": {
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"gemini_calls": free_plan.gemini_calls_limit,
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"openai_calls": free_plan.openai_calls_limit,
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"anthropic_calls": free_plan.anthropic_calls_limit,
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"mistral_calls": free_plan.mistral_calls_limit,
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"tavily_calls": free_plan.tavily_calls_limit,
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"serper_calls": free_plan.serper_calls_limit,
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"metaphor_calls": free_plan.metaphor_calls_limit,
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"firecrawl_calls": free_plan.firecrawl_calls_limit,
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"stability_calls": free_plan.stability_calls_limit,
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"monthly_cost": free_plan.monthly_cost_limit
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}
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}
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}
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else:
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raise HTTPException(status_code=404, detail="No subscription plan found")
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return {
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"success": True,
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"data": {
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"subscription": {
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"id": subscription.id,
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"billing_cycle": subscription.billing_cycle.value,
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"current_period_start": subscription.current_period_start.isoformat(),
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"current_period_end": subscription.current_period_end.isoformat(),
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"status": subscription.status.value,
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"auto_renew": subscription.auto_renew,
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"created_at": subscription.created_at.isoformat()
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},
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"plan": {
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"id": subscription.plan.id,
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"name": subscription.plan.name,
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"tier": subscription.plan.tier.value,
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"price_monthly": subscription.plan.price_monthly,
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"price_yearly": subscription.plan.price_yearly,
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"description": subscription.plan.description,
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"is_free": False
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},
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"limits": {
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"gemini_calls": subscription.plan.gemini_calls_limit,
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"openai_calls": subscription.plan.openai_calls_limit,
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"anthropic_calls": subscription.plan.anthropic_calls_limit,
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"mistral_calls": subscription.plan.mistral_calls_limit,
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"tavily_calls": subscription.plan.tavily_calls_limit,
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"serper_calls": subscription.plan.serper_calls_limit,
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"metaphor_calls": subscription.plan.metaphor_calls_limit,
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"firecrawl_calls": subscription.plan.firecrawl_calls_limit,
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"stability_calls": subscription.plan.stability_calls_limit,
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"monthly_cost": subscription.plan.monthly_cost_limit
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}
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}
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}
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except Exception as e:
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logger.error(f"Error getting user subscription: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/pricing")
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async def get_api_pricing(
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provider: Optional[str] = Query(None, description="API provider"),
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get API pricing information."""
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try:
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query = db.query(APIProviderPricing).filter(
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APIProviderPricing.is_active == True
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)
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if provider:
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try:
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api_provider = APIProvider(provider.lower())
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query = query.filter(APIProviderPricing.provider == api_provider)
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except ValueError:
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raise HTTPException(status_code=400, detail=f"Invalid provider: {provider}")
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pricing_data = query.all()
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pricing_list = []
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for pricing in pricing_data:
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pricing_list.append({
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"provider": pricing.provider.value,
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"model_name": pricing.model_name,
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"cost_per_input_token": pricing.cost_per_input_token,
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"cost_per_output_token": pricing.cost_per_output_token,
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"cost_per_request": pricing.cost_per_request,
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"cost_per_search": pricing.cost_per_search,
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"cost_per_image": pricing.cost_per_image,
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"cost_per_page": pricing.cost_per_page,
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"description": pricing.description,
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"effective_date": pricing.effective_date.isoformat()
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})
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return {
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"success": True,
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"data": {
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"pricing": pricing_list,
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"total": len(pricing_list)
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}
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}
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except Exception as e:
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logger.error(f"Error getting API pricing: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/alerts/{user_id}")
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async def get_usage_alerts(
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user_id: str,
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unread_only: bool = Query(False, description="Only return unread alerts"),
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limit: int = Query(50, ge=1, le=100, description="Maximum number of alerts"),
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get usage alerts for a user."""
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try:
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query = db.query(UsageAlert).filter(
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UsageAlert.user_id == user_id
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)
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if unread_only:
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query = query.filter(UsageAlert.is_read == False)
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alerts = query.order_by(
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UsageAlert.created_at.desc()
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).limit(limit).all()
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alerts_data = []
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for alert in alerts:
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alerts_data.append({
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"id": alert.id,
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"type": alert.alert_type,
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"threshold_percentage": alert.threshold_percentage,
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"provider": alert.provider.value if alert.provider else None,
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"title": alert.title,
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"message": alert.message,
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"severity": alert.severity,
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"is_sent": alert.is_sent,
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"sent_at": alert.sent_at.isoformat() if alert.sent_at else None,
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"is_read": alert.is_read,
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"read_at": alert.read_at.isoformat() if alert.read_at else None,
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"billing_period": alert.billing_period,
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"created_at": alert.created_at.isoformat()
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})
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return {
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"success": True,
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"data": {
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"alerts": alerts_data,
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"total": len(alerts_data),
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"unread_count": len([a for a in alerts_data if not a["is_read"]])
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}
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}
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except Exception as e:
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logger.error(f"Error getting usage alerts: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.post("/alerts/{alert_id}/mark-read")
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async def mark_alert_read(
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alert_id: int,
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Mark an alert as read."""
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try:
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alert = db.query(UsageAlert).filter(UsageAlert.id == alert_id).first()
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if not alert:
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raise HTTPException(status_code=404, detail="Alert not found")
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alert.is_read = True
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alert.read_at = datetime.utcnow()
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db.commit()
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return {
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"success": True,
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"message": "Alert marked as read"
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}
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except Exception as e:
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logger.error(f"Error marking alert as read: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/dashboard/{user_id}")
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async def get_dashboard_data(
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user_id: str,
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db: Session = Depends(get_db)
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) -> Dict[str, Any]:
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"""Get comprehensive dashboard data for usage monitoring."""
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try:
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# Serve from short TTL cache to avoid hammering DB on bursts
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import time
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now = time.time()
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if user_id in _dashboard_cache and (now - _dashboard_cache_ts.get(user_id, 0)) < _DASHBOARD_CACHE_TTL_SEC:
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return _dashboard_cache[user_id]
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usage_service = UsageTrackingService(db)
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pricing_service = PricingService(db)
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# Get current usage stats
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current_usage = usage_service.get_user_usage_stats(user_id)
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# Get usage trends (last 6 months)
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trends = usage_service.get_usage_trends(user_id, 6)
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# Get user limits
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limits = pricing_service.get_user_limits(user_id)
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# Get unread alerts
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alerts = db.query(UsageAlert).filter(
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UsageAlert.user_id == user_id,
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UsageAlert.is_read == False
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).order_by(UsageAlert.created_at.desc()).limit(5).all()
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alerts_data = [
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{
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"id": alert.id,
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"type": alert.alert_type,
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"title": alert.title,
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"message": alert.message,
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"severity": alert.severity,
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"created_at": alert.created_at.isoformat()
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}
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for alert in alerts
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]
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# Calculate cost projections
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current_cost = current_usage.get('total_cost', 0)
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days_in_period = 30
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current_day = datetime.now().day
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projected_cost = (current_cost / current_day) * days_in_period if current_day > 0 else 0
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response_payload = {
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"success": True,
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"data": {
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"current_usage": current_usage,
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"trends": trends,
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"limits": limits,
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"alerts": alerts_data,
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"projections": {
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"projected_monthly_cost": round(projected_cost, 2),
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"cost_limit": limits.get('limits', {}).get('monthly_cost', 0) if limits else 0,
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"projected_usage_percentage": (projected_cost / max(limits.get('limits', {}).get('monthly_cost', 1), 1)) * 100 if limits else 0
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},
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"summary": {
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"total_api_calls_this_month": current_usage.get('total_calls', 0),
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"total_cost_this_month": current_usage.get('total_cost', 0),
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"usage_status": current_usage.get('usage_status', 'active'),
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"unread_alerts": len(alerts_data)
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}
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}
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}
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_dashboard_cache[user_id] = response_payload
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_dashboard_cache_ts[user_id] = now
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return response_payload
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except Exception as e:
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logger.error(f"Error getting dashboard data: {e}")
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raise HTTPException(status_code=500, detail=str(e)) |