Files
ALwrity/backend/api/persona.py
2025-09-05 15:22:43 +05:30

608 lines
23 KiB
Python

"""
Persona API endpoints for ALwrity.
Handles writing persona generation, management, and platform-specific adaptations.
"""
from fastapi import HTTPException, Depends
from pydantic import BaseModel, Field
from typing import Dict, Any, List, Optional
from datetime import datetime
from loguru import logger
from services.persona_analysis_service import PersonaAnalysisService
from services.database import get_db
class PersonaGenerationRequest(BaseModel):
"""Request model for persona generation."""
onboarding_session_id: Optional[int] = Field(None, description="Specific onboarding session ID to use")
force_regenerate: bool = Field(False, description="Force regeneration even if persona exists")
class PersonaResponse(BaseModel):
"""Response model for persona data."""
persona_id: int
persona_name: str
archetype: str
core_belief: str
confidence_score: float
platforms: List[str]
created_at: str
class PlatformPersonaResponse(BaseModel):
"""Response model for platform-specific persona."""
platform_type: str
sentence_metrics: Dict[str, Any]
lexical_features: Dict[str, Any]
content_format_rules: Dict[str, Any]
engagement_patterns: Dict[str, Any]
platform_best_practices: Dict[str, Any]
class PersonaGenerationResponse(BaseModel):
"""Response model for persona generation result."""
success: bool
persona_id: Optional[int] = None
message: str
confidence_score: Optional[float] = None
data_sufficiency: Optional[float] = None
platforms_generated: List[str] = []
class LinkedInPersonaValidationRequest(BaseModel):
"""Request model for LinkedIn persona validation."""
persona_data: Dict[str, Any]
class LinkedInPersonaValidationResponse(BaseModel):
"""Response model for LinkedIn persona validation."""
is_valid: bool
quality_score: float
completeness_score: float
professional_context_score: float
linkedin_optimization_score: float
missing_fields: List[str]
incomplete_fields: List[str]
recommendations: List[str]
quality_issues: List[str]
strengths: List[str]
validation_details: Dict[str, Any]
# Dependency to get persona service
def get_persona_service() -> PersonaAnalysisService:
"""Get the persona analysis service instance."""
return PersonaAnalysisService()
async def generate_persona(user_id: int, request: PersonaGenerationRequest):
"""Generate a new writing persona from onboarding data."""
try:
logger.info(f"Generating persona for user {user_id}")
persona_service = get_persona_service()
# Check if persona already exists and force_regenerate is False
if not request.force_regenerate:
existing_personas = persona_service.get_user_personas(user_id)
if existing_personas:
return PersonaGenerationResponse(
success=False,
message="Persona already exists. Use force_regenerate=true to create a new one.",
persona_id=existing_personas[0]["id"]
)
# Generate new persona
result = persona_service.generate_persona_from_onboarding(
user_id=user_id,
onboarding_session_id=request.onboarding_session_id
)
if "error" in result:
return PersonaGenerationResponse(
success=False,
message=result["error"]
)
return PersonaGenerationResponse(
success=True,
persona_id=result["persona_id"],
message="Persona generated successfully",
confidence_score=result["analysis_metadata"]["confidence_score"],
data_sufficiency=result["analysis_metadata"].get("data_sufficiency", 0.0),
platforms_generated=list(result["platform_personas"].keys())
)
except Exception as e:
logger.error(f"Error generating persona: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to generate persona: {str(e)}")
async def get_user_personas(user_id: int):
"""Get all personas for a user."""
try:
persona_service = get_persona_service()
personas = persona_service.get_user_personas(user_id)
return {
"personas": personas,
"total_count": len(personas)
}
except Exception as e:
logger.error(f"Error getting user personas: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to get personas: {str(e)}")
async def get_persona_details(user_id: int, persona_id: int):
"""Get detailed information about a specific persona."""
try:
from services.database import get_db_session
from models.persona_models import WritingPersona, PlatformPersona
session = get_db_session()
# Get persona
persona = session.query(WritingPersona).filter(
WritingPersona.id == persona_id,
WritingPersona.user_id == user_id,
WritingPersona.is_active == True
).first()
if not persona:
raise HTTPException(status_code=404, detail="Persona not found")
# Get platform adaptations
platform_personas = session.query(PlatformPersona).filter(
PlatformPersona.writing_persona_id == persona_id,
PlatformPersona.is_active == True
).all()
result = persona.to_dict()
result["platform_adaptations"] = [pp.to_dict() for pp in platform_personas]
session.close()
return result
except HTTPException:
raise
except Exception as e:
logger.error(f"Error getting persona details: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to get persona details: {str(e)}")
async def get_platform_persona(user_id: int, platform: str):
"""Get persona adaptation for a specific platform."""
try:
persona_service = get_persona_service()
platform_persona = persona_service.get_persona_for_platform(user_id, platform)
if not platform_persona:
raise HTTPException(status_code=404, detail=f"No persona found for platform {platform}")
return platform_persona
except HTTPException:
raise
except Exception as e:
logger.error(f"Error getting platform persona: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to get platform persona: {str(e)}")
async def update_persona(user_id: int, persona_id: int, update_data: Dict[str, Any]):
"""Update an existing persona."""
try:
from services.database import get_db_session
from models.persona_models import WritingPersona
session = get_db_session()
persona = session.query(WritingPersona).filter(
WritingPersona.id == persona_id,
WritingPersona.user_id == user_id
).first()
if not persona:
raise HTTPException(status_code=404, detail="Persona not found")
# Update allowed fields
updatable_fields = [
'persona_name', 'archetype', 'core_belief', 'brand_voice_description',
'linguistic_fingerprint', 'platform_adaptations'
]
for field in updatable_fields:
if field in update_data:
setattr(persona, field, update_data[field])
persona.updated_at = datetime.utcnow()
session.commit()
session.close()
return {
"message": "Persona updated successfully",
"persona_id": persona_id,
"updated_at": persona.updated_at.isoformat()
}
except HTTPException:
raise
except Exception as e:
logger.error(f"Error updating persona: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to update persona: {str(e)}")
async def delete_persona(user_id: int, persona_id: int):
"""Delete a persona (soft delete by setting is_active=False)."""
try:
from services.database import get_db_session
from models.persona_models import WritingPersona, PlatformPersona
session = get_db_session()
persona = session.query(WritingPersona).filter(
WritingPersona.id == persona_id,
WritingPersona.user_id == user_id
).first()
if not persona:
raise HTTPException(status_code=404, detail="Persona not found")
# Soft delete persona and platform adaptations
persona.is_active = False
persona.updated_at = datetime.utcnow()
platform_personas = session.query(PlatformPersona).filter(
PlatformPersona.writing_persona_id == persona_id
).all()
for pp in platform_personas:
pp.is_active = False
pp.updated_at = datetime.utcnow()
session.commit()
session.close()
return {
"message": "Persona deleted successfully",
"persona_id": persona_id
}
except HTTPException:
raise
except Exception as e:
logger.error(f"Error deleting persona: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to delete persona: {str(e)}")
async def validate_persona_generation_readiness(user_id: int):
"""Check if user has sufficient onboarding data for persona generation."""
try:
persona_service = get_persona_service()
# Get onboarding data
onboarding_data = persona_service._collect_onboarding_data(user_id)
if not onboarding_data:
return {
"ready": False,
"message": "No onboarding data found. Please complete onboarding first.",
"missing_steps": ["All onboarding steps"],
"data_sufficiency": 0.0
}
data_sufficiency = persona_service._calculate_data_sufficiency(onboarding_data)
missing_steps = []
if not onboarding_data.get("website_analysis"):
missing_steps.append("Website Analysis (Step 2)")
if not onboarding_data.get("research_preferences"):
missing_steps.append("Research Preferences (Step 3)")
ready = data_sufficiency >= 50.0 # Require at least 50% data sufficiency
return {
"ready": ready,
"message": "Ready for persona generation" if ready else "Insufficient data for reliable persona generation",
"missing_steps": missing_steps,
"data_sufficiency": data_sufficiency,
"recommendations": [
"Complete website analysis for better style detection",
"Provide research preferences for content type optimization"
] if not ready else []
}
except Exception as e:
logger.error(f"Error validating persona generation readiness: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to validate readiness: {str(e)}")
async def generate_persona_preview(user_id: int):
"""Generate a preview of what the persona would look like without saving."""
try:
persona_service = get_persona_service()
# Get onboarding data
onboarding_data = persona_service._collect_onboarding_data(user_id)
if not onboarding_data:
raise HTTPException(status_code=400, detail="No onboarding data available")
# Generate core persona (without saving)
core_persona = persona_service._generate_core_persona(onboarding_data)
if "error" in core_persona:
raise HTTPException(status_code=400, detail=core_persona["error"])
# Generate sample platform adaptation (just one for preview)
sample_platform = "linkedin"
platform_preview = persona_service._generate_single_platform_persona(
core_persona, sample_platform, onboarding_data
)
return {
"preview": {
"identity": core_persona.get("identity", {}),
"linguistic_fingerprint": core_persona.get("linguistic_fingerprint", {}),
"tonal_range": core_persona.get("tonal_range", {}),
"sample_platform": {
"platform": sample_platform,
"adaptation": platform_preview
}
},
"confidence_score": core_persona.get("confidence_score", 0.0),
"data_sufficiency": persona_service._calculate_data_sufficiency(onboarding_data)
}
except HTTPException:
raise
except Exception as e:
logger.error(f"Error generating persona preview: {str(e)}")
raise HTTPException(status_code=500, detail=f"Failed to generate preview: {str(e)}")
async def get_supported_platforms():
"""Get list of supported platforms for persona generation."""
return {
"platforms": [
{
"id": "twitter",
"name": "Twitter/X",
"description": "Microblogging platform optimized for short, engaging content",
"character_limit": 280,
"optimal_length": "120-150 characters"
},
{
"id": "linkedin",
"name": "LinkedIn",
"description": "Professional networking platform for thought leadership content",
"character_limit": 3000,
"optimal_length": "150-300 words"
},
{
"id": "instagram",
"name": "Instagram",
"description": "Visual-first platform with engaging captions",
"character_limit": 2200,
"optimal_length": "125-150 words"
},
{
"id": "facebook",
"name": "Facebook",
"description": "Social networking platform for community engagement",
"character_limit": 63206,
"optimal_length": "40-80 words"
},
{
"id": "blog",
"name": "Blog Posts",
"description": "Long-form content optimized for SEO and engagement",
"word_count": "800-2000 words",
"seo_optimized": True
},
{
"id": "medium",
"name": "Medium",
"description": "Publishing platform for storytelling and thought leadership",
"word_count": "1000-3000 words",
"storytelling_focus": True
},
{
"id": "substack",
"name": "Substack",
"description": "Newsletter platform for building subscriber relationships",
"format": "email newsletter",
"subscription_focus": True
}
]
}
class LinkedInOptimizationRequest(BaseModel):
"""Request model for LinkedIn algorithm optimization."""
persona_data: Dict[str, Any]
class LinkedInOptimizationResponse(BaseModel):
"""Response model for LinkedIn algorithm optimization."""
optimized_persona: Dict[str, Any]
optimization_applied: bool
optimization_details: Dict[str, Any]
async def validate_linkedin_persona(
request: LinkedInPersonaValidationRequest,
persona_service: PersonaAnalysisService = Depends(get_persona_service)
):
"""
Validate LinkedIn persona data for completeness and quality.
This endpoint provides comprehensive validation of LinkedIn persona data,
including core fields, LinkedIn-specific optimizations, professional context,
and content quality assessments.
"""
try:
logger.info("Validating LinkedIn persona data")
# Get LinkedIn persona service
from services.persona.linkedin.linkedin_persona_service import LinkedInPersonaService
linkedin_service = LinkedInPersonaService()
# Validate the persona data
validation_results = linkedin_service.validate_linkedin_persona(request.persona_data)
logger.info(f"LinkedIn persona validation completed: Quality Score: {validation_results['quality_score']:.1f}%")
return LinkedInPersonaValidationResponse(**validation_results)
except Exception as e:
logger.error(f"Error validating LinkedIn persona: {str(e)}")
raise HTTPException(
status_code=500,
detail=f"Failed to validate LinkedIn persona: {str(e)}"
)
async def optimize_linkedin_persona(
request: LinkedInOptimizationRequest,
persona_service: PersonaAnalysisService = Depends(get_persona_service)
):
"""
Optimize LinkedIn persona data for maximum algorithm performance.
This endpoint applies comprehensive LinkedIn algorithm optimization to persona data,
including content quality optimization, multimedia strategy, engagement optimization,
timing optimization, and professional context optimization.
"""
try:
logger.info("Optimizing LinkedIn persona for algorithm performance")
# Get LinkedIn persona service
from services.persona.linkedin.linkedin_persona_service import LinkedInPersonaService
linkedin_service = LinkedInPersonaService()
# Apply algorithm optimization
optimized_persona = linkedin_service.optimize_for_linkedin_algorithm(request.persona_data)
# Extract optimization details
optimization_details = optimized_persona.get("algorithm_optimization", {})
logger.info("✅ LinkedIn persona algorithm optimization completed successfully")
return LinkedInOptimizationResponse(
optimized_persona=optimized_persona,
optimization_applied=True,
optimization_details={
"optimization_categories": list(optimization_details.keys()),
"total_optimization_strategies": sum(len(strategies) if isinstance(strategies, list) else 1
for category in optimization_details.values()
for strategies in category.values() if isinstance(category, dict)),
"optimization_timestamp": datetime.utcnow().isoformat()
}
)
except Exception as e:
logger.error(f"Error optimizing LinkedIn persona: {str(e)}")
raise HTTPException(
status_code=500,
detail=f"Failed to optimize LinkedIn persona: {str(e)}"
)
class FacebookPersonaValidationRequest(BaseModel):
"""Request model for Facebook persona validation."""
persona_data: Dict[str, Any]
class FacebookPersonaValidationResponse(BaseModel):
"""Response model for Facebook persona validation."""
is_valid: bool
quality_score: float
completeness_score: float
facebook_optimization_score: float
engagement_strategy_score: float
content_format_score: float
audience_targeting_score: float
community_building_score: float
missing_fields: List[str]
incomplete_fields: List[str]
recommendations: List[str]
quality_issues: List[str]
strengths: List[str]
validation_details: Dict[str, Any]
class FacebookOptimizationRequest(BaseModel):
"""Request model for Facebook algorithm optimization."""
persona_data: Dict[str, Any]
class FacebookOptimizationResponse(BaseModel):
"""Response model for Facebook algorithm optimization."""
optimized_persona: Dict[str, Any]
optimization_applied: bool
optimization_details: Dict[str, Any]
async def validate_facebook_persona(
request: FacebookPersonaValidationRequest,
persona_service: PersonaAnalysisService = Depends(get_persona_service)
):
"""
Validate Facebook persona data for completeness and quality.
This endpoint provides comprehensive validation of Facebook persona data,
including core fields, Facebook-specific optimizations, engagement strategies,
content formats, audience targeting, and community building assessments.
"""
try:
logger.info("Validating Facebook persona data")
# Get Facebook persona service
from services.persona.facebook.facebook_persona_service import FacebookPersonaService
facebook_service = FacebookPersonaService()
# Validate the persona data
validation_results = facebook_service.validate_facebook_persona(request.persona_data)
logger.info(f"Facebook persona validation completed: Quality Score: {validation_results['quality_score']:.1f}%")
return FacebookPersonaValidationResponse(**validation_results)
except Exception as e:
logger.error(f"Error validating Facebook persona: {str(e)}")
raise HTTPException(
status_code=500,
detail=f"Failed to validate Facebook persona: {str(e)}"
)
async def optimize_facebook_persona(
request: FacebookOptimizationRequest,
persona_service: PersonaAnalysisService = Depends(get_persona_service)
):
"""
Optimize Facebook persona data for maximum algorithm performance.
This endpoint applies comprehensive Facebook algorithm optimization to persona data,
including engagement optimization, content quality optimization, timing optimization,
audience targeting optimization, and community building strategies.
"""
try:
logger.info("Optimizing Facebook persona for algorithm performance")
# Get Facebook persona service
from services.persona.facebook.facebook_persona_service import FacebookPersonaService
facebook_service = FacebookPersonaService()
# Apply algorithm optimization
optimized_persona = facebook_service.optimize_for_facebook_algorithm(request.persona_data)
# Extract optimization details
optimization_details = optimized_persona.get("algorithm_optimization", {})
logger.info("✅ Facebook persona algorithm optimization completed successfully")
# Use the optimization metadata from the service
optimization_metadata = optimized_persona.get("optimization_metadata", {})
return FacebookOptimizationResponse(
optimized_persona=optimized_persona,
optimization_applied=True,
optimization_details={
"optimization_categories": optimization_metadata.get("optimization_categories", []),
"total_optimization_strategies": optimization_metadata.get("total_optimization_strategies", 0),
"optimization_timestamp": optimization_metadata.get("optimization_timestamp", datetime.utcnow().isoformat())
}
)
except Exception as e:
logger.error(f"Error optimizing Facebook persona: {str(e)}")
raise HTTPException(
status_code=500,
detail=f"Failed to optimize Facebook persona: {str(e)}"
)