Files
ALwrity/backend/api/podcast/handlers/trends.py
ajaysi 928c2f20aa fix: WYSIWYG editor, content generation, and writing assistant bug fixes
- Fix text selection menu not showing: wire contentRef via inputRef on multiline TextField
- Fix blog title not truncating: add min-w-0 for flex item overflow
- Fix outline generation 500: escape curly braces in f-string prompt template
- Fix content generation 'NoneType not callable': replace SessionLocal() with get_session_for_user(), add db param to MediumBlogGenerator, fix signature mismatch in database_task_manager
- Fix writing assistant suggest 500: add auth + user_id to API endpoint and service, replace sync requests with httpx.AsyncClient
- Fix hallucination detector 404: explicitly include router in main.py and app.py
- Fix missing error_data in task failure responses
- Hide CopilotKit web inspector button
- Remove hardcoded fallback suggestions from SmartTypingAssist
- Fix stale closure refs in SmartTypingAssist handleTypingChange
- Add two-column editor layout, stats bar, section hover menu
- Various subscription, billing, and research module improvements
2026-05-14 09:11:51 +05:30

119 lines
4.8 KiB
Python

"""
Podcast Trends Handler
Endpoints for fetching Google Trends data relevant to podcast topics.
"""
import asyncio
from fastapi import APIRouter, Depends, HTTPException
from typing import Dict, Any, List, Optional
from pydantic import BaseModel, Field
from loguru import logger
from middleware.auth_middleware import get_current_user
router = APIRouter(prefix="/trends", tags=["Podcast Trends"])
# Module-level shared instance (singleton pattern)
_trends_service_instance = None
_trends_service_lock = None
def get_trends_service():
"""Get or create shared GoogleTrendsService instance."""
global _trends_service_instance, _trends_service_lock
if _trends_service_instance is None:
try:
from services.research.trends import GoogleTrendsService
_trends_service_instance = GoogleTrendsService()
_trends_service_lock = asyncio.Lock()
logger.info("[Podcast Trends] Created shared GoogleTrendsService instance")
except (ImportError, RuntimeError) as e:
logger.error(f"[Podcast Trends] Failed to create GoogleTrendsService: {e}")
raise
return _trends_service_instance
class PodcastTrendsRequest(BaseModel):
keywords: List[str] = Field(..., min_length=1, max_length=5, description="1-5 keywords to analyze")
timeframe: str = Field(default="today 12-m", description="Timeframe: 'today 3-m', 'today 12-m', 'today 5-y', 'all'")
geo: str = Field(default="US", description="Country code: 'US', 'GB', 'IN', etc.")
source: str = Field(default="web", description="Data source: 'web' (Google), 'podcast' (YouTube)")
class PodcastTrendsResponse(BaseModel):
success: bool
data: Optional[Dict[str, Any]] = None
error: Optional[str] = None
@router.post("", response_model=PodcastTrendsResponse)
async def get_podcast_trends(
request: PodcastTrendsRequest,
current_user: Dict[str, Any] = Depends(get_current_user),
):
"""Fetch Google Trends data for podcast topic keywords."""
user_id = current_user.get("user_id") or current_user.get("id")
if not user_id:
raise HTTPException(status_code=401, detail="User ID not found")
try:
service = get_trends_service()
except (ImportError, RuntimeError) as e:
logger.error(f"[Podcast Trends] GoogleTrendsService unavailable: {e}")
raise HTTPException(
status_code=503,
detail="Google Trends service is currently unavailable. Please try again later."
)
try:
# Map 'source' to 'gprop' - 'podcast' uses YouTube for video/podcast relevance
gprop_map = {"": "", "web": "", "podcast": "youtube", "news": "news", "images": "images", "shopping": "froogle"}
gprop = gprop_map.get(request.source, "")
result = await service.analyze_trends(
keywords=request.keywords,
timeframe=request.timeframe,
geo=request.geo,
gprop=gprop,
user_id=user_id,
)
has_error = result.get("error")
has_data = (
len(result.get("interest_over_time", [])) > 0
or len(result.get("interest_by_region", [])) > 0
or len(result.get("related_topics", {}).get("top", [])) > 0
or len(result.get("related_topics", {}).get("rising", [])) > 0
or len(result.get("related_queries", {}).get("top", [])) > 0
or len(result.get("related_queries", {}).get("rising", [])) > 0
)
# Return error if: has error OR no data (meaning blocked/empty)
if has_error and not has_data:
error_msg = result.get("error", "")
cooldown_active = result.get("cooldown_active", False)
logger.warning(f"[Trends] No data or error: {error_msg[:100]}")
# Provide helpful message during cooldown
if cooldown_active:
return PodcastTrendsResponse(
success=False,
data=result,
error="Google is rate limiting requests. Try using 'Get Trending Topics' instead, or wait 30 minutes."
)
return PodcastTrendsResponse(success=False, data=result, error=error_msg or "No trends data available. Google may be blocking requests.")
# Even if no error but empty data - return error
if not has_data:
logger.warning("[Trends] Empty data returned")
return PodcastTrendsResponse(success=False, data=result, error="No trends data available. Please try different keywords.")
return PodcastTrendsResponse(success=True, data=result)
except ValueError as e:
raise HTTPException(status_code=400, detail=str(e))
except Exception as e:
logger.error(f"[Podcast Trends] Error fetching trends for {request.keywords}: {e}")
raise HTTPException(
status_code=500,
detail=f"Failed to fetch trends data: {str(e)}"
)