312 lines
11 KiB
Python
312 lines
11 KiB
Python
"""
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Blog Writer SEO Analysis API Endpoint
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Provides API endpoint for analyzing blog content SEO with parallel processing
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and CopilotKit integration for real-time progress updates.
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"""
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from fastapi import APIRouter, HTTPException, BackgroundTasks, Depends
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from pydantic import BaseModel
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from typing import Dict, Any, Optional
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from loguru import logger
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from datetime import datetime
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from services.blog_writer.seo.blog_content_seo_analyzer import BlogContentSEOAnalyzer
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from services.blog_writer.core.blog_writer_service import BlogWriterService
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from middleware.auth_middleware import get_current_user
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router = APIRouter(prefix="/api/blog-writer/seo", tags=["Blog SEO Analysis"])
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class SEOAnalysisRequest(BaseModel):
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"""Request model for SEO analysis"""
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blog_content: str
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blog_title: Optional[str] = None
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research_data: Dict[str, Any]
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user_id: Optional[str] = None
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session_id: Optional[str] = None
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class SEOAnalysisResponse(BaseModel):
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"""Response model for SEO analysis"""
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success: bool
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analysis_id: str
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overall_score: float
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category_scores: Dict[str, float]
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analysis_summary: Dict[str, Any]
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actionable_recommendations: list
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detailed_analysis: Optional[Dict[str, Any]] = None
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visualization_data: Optional[Dict[str, Any]] = None
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generated_at: str
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error: Optional[str] = None
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class SEOAnalysisProgress(BaseModel):
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"""Progress update model for real-time updates"""
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analysis_id: str
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stage: str
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progress: int
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message: str
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timestamp: str
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# Initialize analyzer
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seo_analyzer = BlogContentSEOAnalyzer()
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blog_writer_service = BlogWriterService()
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@router.post("/analyze", response_model=SEOAnalysisResponse)
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async def analyze_blog_seo(
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request: SEOAnalysisRequest,
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current_user: Dict[str, Any] = Depends(get_current_user)
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):
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"""
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Analyze blog content for SEO optimization
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This endpoint performs comprehensive SEO analysis including:
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- Content structure analysis
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- Keyword optimization analysis
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- Readability assessment
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- Content quality evaluation
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- AI-powered insights generation
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Args:
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request: SEOAnalysisRequest containing blog content and research data
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current_user: Authenticated user from middleware
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Returns:
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SEOAnalysisResponse with comprehensive analysis results
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"""
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try:
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logger.info(f"Starting SEO analysis for blog content")
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# Extract Clerk user ID (required)
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if not current_user:
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raise HTTPException(status_code=401, detail="Authentication required")
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user_id = str(current_user.get('id', ''))
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if not user_id:
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raise HTTPException(status_code=401, detail="Invalid user ID in authentication token")
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# Validate request
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if not request.blog_content or not request.blog_content.strip():
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raise HTTPException(status_code=400, detail="Blog content is required")
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if not request.research_data:
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raise HTTPException(status_code=400, detail="Research data is required")
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# Generate analysis ID
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import uuid
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analysis_id = str(uuid.uuid4())
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# Perform SEO analysis
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analysis_results = await seo_analyzer.analyze_blog_content(
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blog_content=request.blog_content,
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research_data=request.research_data,
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blog_title=request.blog_title,
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user_id=user_id
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)
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# Check for errors
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if 'error' in analysis_results:
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logger.error(f"SEO analysis failed: {analysis_results['error']}")
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return SEOAnalysisResponse(
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success=False,
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analysis_id=analysis_id,
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overall_score=0,
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category_scores={},
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analysis_summary={},
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actionable_recommendations=[],
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detailed_analysis=None,
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visualization_data=None,
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generated_at=analysis_results.get('generated_at', ''),
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error=analysis_results['error']
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)
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# Return successful response
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return SEOAnalysisResponse(
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success=True,
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analysis_id=analysis_id,
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overall_score=analysis_results.get('overall_score', 0),
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category_scores=analysis_results.get('category_scores', {}),
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analysis_summary=analysis_results.get('analysis_summary', {}),
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actionable_recommendations=analysis_results.get('actionable_recommendations', []),
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detailed_analysis=analysis_results.get('detailed_analysis'),
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visualization_data=analysis_results.get('visualization_data'),
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generated_at=analysis_results.get('generated_at', '')
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)
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"SEO analysis endpoint error: {e}")
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raise HTTPException(status_code=500, detail=f"SEO analysis failed: {str(e)}")
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@router.post("/analyze-with-progress")
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async def analyze_blog_seo_with_progress(
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request: SEOAnalysisRequest,
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current_user: Dict[str, Any] = Depends(get_current_user)
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):
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"""
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Analyze blog content for SEO with real-time progress updates
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This endpoint provides real-time progress updates for CopilotKit integration.
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It returns a stream of progress updates and final results.
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Args:
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request: SEOAnalysisRequest containing blog content and research data
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current_user: Authenticated user from middleware
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Returns:
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Generator yielding progress updates and final results
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"""
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try:
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logger.info(f"Starting SEO analysis with progress for blog content")
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# Extract Clerk user ID (required)
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if not current_user:
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raise HTTPException(status_code=401, detail="Authentication required")
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user_id = str(current_user.get('id', ''))
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if not user_id:
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raise HTTPException(status_code=401, detail="Invalid user ID in authentication token")
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# Validate request
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if not request.blog_content or not request.blog_content.strip():
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raise HTTPException(status_code=400, detail="Blog content is required")
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if not request.research_data:
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raise HTTPException(status_code=400, detail="Research data is required")
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# Generate analysis ID
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import uuid
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analysis_id = str(uuid.uuid4())
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# Yield progress updates
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async def progress_generator():
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try:
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# Stage 1: Initialization
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="initialization",
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progress=10,
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message="Initializing SEO analysis...",
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timestamp=datetime.utcnow().isoformat()
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)
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# Stage 2: Keyword extraction
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="keyword_extraction",
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progress=20,
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message="Extracting keywords from research data...",
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timestamp=datetime.utcnow().isoformat()
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)
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# Stage 3: Non-AI analysis
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="non_ai_analysis",
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progress=40,
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message="Running content structure and readability analysis...",
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timestamp=datetime.utcnow().isoformat()
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)
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# Stage 4: AI analysis
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="ai_analysis",
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progress=70,
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message="Generating AI-powered insights...",
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timestamp=datetime.utcnow().isoformat()
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)
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# Stage 5: Results compilation
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="compilation",
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progress=90,
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message="Compiling analysis results...",
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timestamp=datetime.utcnow().isoformat()
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)
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# Perform actual analysis
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analysis_results = await seo_analyzer.analyze_blog_content(
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blog_content=request.blog_content,
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research_data=request.research_data,
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blog_title=request.blog_title,
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user_id=user_id
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)
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# Final result
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="completed",
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progress=100,
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message="SEO analysis completed successfully!",
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timestamp=datetime.utcnow().isoformat()
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)
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# Yield final results (can't return in async generator)
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yield analysis_results
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except Exception as e:
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logger.error(f"Progress generator error: {e}")
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yield SEOAnalysisProgress(
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analysis_id=analysis_id,
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stage="error",
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progress=0,
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message=f"Analysis failed: {str(e)}",
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timestamp=datetime.utcnow().isoformat()
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)
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raise
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return progress_generator()
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"SEO analysis with progress endpoint error: {e}")
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raise HTTPException(status_code=500, detail=f"SEO analysis failed: {str(e)}")
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@router.get("/analysis/{analysis_id}")
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async def get_analysis_result(analysis_id: str):
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"""
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Get SEO analysis result by ID
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Args:
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analysis_id: Unique identifier for the analysis
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Returns:
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SEO analysis results
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"""
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try:
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# In a real implementation, you would store results in a database
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# For now, we'll return a placeholder
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logger.info(f"Retrieving SEO analysis result for ID: {analysis_id}")
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return {
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"analysis_id": analysis_id,
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"status": "completed",
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"message": "Analysis results retrieved successfully"
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}
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except Exception as e:
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logger.error(f"Get analysis result error: {e}")
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raise HTTPException(status_code=500, detail=f"Failed to retrieve analysis result: {str(e)}")
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@router.get("/health")
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async def health_check():
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"""Health check endpoint for SEO analysis service"""
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return {
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"status": "healthy",
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"service": "blog-seo-analysis",
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"timestamp": datetime.utcnow().isoformat()
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}
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