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from fastapi import FastAPI, UploadFile, File, Form, HTTPException, Depends
from fastapi.responses import FileResponse, JSONResponse
from fastapi.staticfiles import StaticFiles
from fastapi.middleware.cors import CORSMiddleware
from pathlib import Path
from typing import List, Optional, Dict
import os
import uuid
from datetime import datetime
import asyncio
from app.schemas import (
IntegrationResponse, AssetResponse, PostResponse, CampaignResponse,
CanvaBrandTemplate, CanvaAutofillRequest, CanvaAutofillResponse,
LinkedInPostRequest, AIContentRequest, AIContentResponse
)
from app.services.canva_service import CanvaService
from app.services.linkedin_service import LinkedInService
from app.services.ai_service import AIService
from app.services.asset_analyzer import AssetAnalyzer
from app.services.agentic_planner import AgenticPlanner
from app.database import init_db, get_db, get_direct_psycopg2_connection, ensure_default_user
from sqlalchemy.orm import Session
app = FastAPI(title="PostGen API", version="1.0.0")
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Initialize database on startup
@app.on_event("startup")
async def startup_event():
"""Initialize database tables on startup"""
# Create uploads directory if it doesn't exist
upload_dir = Path("uploads")
upload_dir.mkdir(exist_ok=True)
print(f"✓ Uploads directory ready: {upload_dir.absolute()}")
db_initialized = init_db()
if db_initialized:
print("✓ Database initialized successfully")
# Ensure default user exists
try:
user_id = ensure_default_user()
print(f"✓ Default user ready (id={user_id})")
except Exception as e:
print(f"⚠ Could not ensure default user: {e}")
else:
print("⚠ Database not available - using mock data")
print("⚠ App will function normally with dummy content")
print("⚠ To connect to database, set DATABASE_URL environment variable")
# Services
ai_service = AIService()
asset_analyzer = AssetAnalyzer()
agentic_planner = AgenticPlanner()
# Upload status tracking (in-memory, could be moved to Redis in production)
upload_status: Dict[str, Dict] = {}
# ---- API Endpoints ----
@app.get("/api/health")
def health():
return {"status": "ok", "message": "PostGen API is running"}
@app.get("/api/hello")
def hello():
return {"message": "Hello from PostGen API"}
# ---- Canva Integration ----
@app.get("/api/canva/brand-templates", response_model=List[CanvaBrandTemplate])
async def get_canva_brand_templates(access_token: str):
"""Get list of Canva brand templates"""
try:
canva_service = CanvaService(access_token)
templates = await canva_service.get_brand_templates()
return templates
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/api/canva/brand-templates/{template_id}/dataset")
async def get_canva_template_dataset(template_id: str, access_token: str):
"""Get dataset for a specific brand template"""
try:
canva_service = CanvaService(access_token)
dataset = await canva_service.get_brand_template_dataset(template_id)
return dataset
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.post("/api/canva/autofill", response_model=CanvaAutofillResponse)
async def create_canva_autofill(request: CanvaAutofillRequest, access_token: str):
"""Create an autofill job for a brand template"""
try:
canva_service = CanvaService(access_token)
response = await canva_service.create_autofill_job(request)
return response
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/api/canva/autofill/{job_id}")
async def get_canva_autofill_status(job_id: str, access_token: str):
"""Get status of an autofill job"""
try:
canva_service = CanvaService(access_token)
status = await canva_service.get_autofill_job_status(job_id)
return status
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
# ---- LinkedIn Integration ----
@app.post("/api/linkedin/post")
async def create_linkedin_post(request: LinkedInPostRequest, access_token: str):
"""Create a LinkedIn post"""
try:
linkedin_service = LinkedInService(access_token)
result = await linkedin_service.create_post(
text=request.text,
media_uris=request.media_uris
)
return result
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/api/linkedin/profile")
async def get_linkedin_profile(access_token: str):
"""Get LinkedIn user profile"""
try:
linkedin_service = LinkedInService(access_token)
profile = await linkedin_service.get_user_profile()
return profile
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
# ---- AI Content Generation ----
@app.post("/api/ai/generate-content", response_model=AIContentResponse)
async def generate_ai_content(request: AIContentRequest, db: Session = Depends(get_db)):
"""Generate LinkedIn post content using GPT with agentic asset context"""
try:
# Fetch assets with extracted content if provided
asset_insights = None
if request.assets:
try:
from app.models import Asset
# Query assets from database
db_assets = db.query(Asset).filter(Asset.id.in_(request.assets)).all()
asset_insights = []
for asset in db_assets:
asset_dict = {
"id": str(asset.id), # Return as string to preserve precision
"name": asset.name,
"product_category": asset.product_category,
"extracted_content": asset.extracted_content if hasattr(asset, 'extracted_content') else None
}
asset_insights.append(asset_dict)
except Exception as db_error:
# Fallback if database query fails
print(f"Could not fetch assets from DB: {db_error}")
asset_insights = None
response = await ai_service.generate_content(
request,
assets_context=None,
asset_insights=asset_insights
)
return response
except Exception as e:
raise HTTPException(status_code=500, detail=f"AI generation failed: {str(e)}")
# ---- Asset Management ----
@app.get("/api/assets/{asset_id}/status")
async def get_asset_status(asset_id, db: Session = Depends(get_db)):
"""Get the analysis status of an asset"""
try:
# Convert asset_id to int (Python int can handle arbitrarily large integers)
try:
asset_id = int(asset_id)
print(f"Status check for asset_id: {asset_id} (type: {type(asset_id).__name__})")
except (ValueError, TypeError):
raise HTTPException(status_code=400, detail=f"Invalid asset ID: {asset_id}")
from app.models import Asset
# Try ORM first
try:
db_asset = db.query(Asset).filter(Asset.id == asset_id).first()
if db_asset:
result = {
"asset_id": str(db_asset.id),
"name": db_asset.name,
"status": db_asset.analysis_status if hasattr(db_asset, 'analysis_status') and db_asset.analysis_status else "pending",
"analyzed_at": db_asset.analyzed_at.isoformat() if hasattr(db_asset, 'analyzed_at') and db_asset.analyzed_at else None,
"extracted_content": db_asset.extracted_content if hasattr(db_asset, 'extracted_content') else None
}
return result
except Exception as orm_error:
# If ORM fails, fallback to direct connection
error_str = str(orm_error)
if "Could not determine version" not in error_str:
# Real error, not just version parsing
print(f"ORM query error: {orm_error}")
# Fallback to direct psycopg2 connection
conn = get_direct_psycopg2_connection()
if not conn:
raise HTTPException(status_code=500, detail="Database connection failed")
try:
cursor = conn.cursor()
# First check if extracted_content column exists
try:
cursor.execute("""
SELECT column_name
FROM information_schema.columns
WHERE table_name='assets' AND column_name='extracted_content'
""")
has_extracted_content = cursor.fetchone() is not None
except Exception as col_check_error:
print(f"Column check error (non-fatal): {col_check_error}")
has_extracted_content = False
# Build query based on column existence
try:
# Try querying with explicit bigint cast to handle large IDs
if has_extracted_content:
cursor.execute("""
SELECT id, name, analysis_status, analyzed_at, extracted_content
FROM assets
WHERE id = %s::bigint
""", (asset_id,))
else:
cursor.execute("""
SELECT id, name, analysis_status, analyzed_at
FROM assets
WHERE id = %s::bigint
""", (asset_id,))
except Exception as query_error:
print(f"Query error for asset_id {asset_id}: {query_error}")
# Try without cast as fallback
try:
if has_extracted_content:
cursor.execute("""
SELECT id, name, analysis_status, analyzed_at, extracted_content
FROM assets
WHERE id = %s
""", (asset_id,))
else:
cursor.execute("""
SELECT id, name, analysis_status, analyzed_at
FROM assets
WHERE id = %s
""", (asset_id,))
except Exception as fallback_error:
cursor.close()
conn.close()
raise HTTPException(status_code=500, detail=f"Query failed: {str(fallback_error)}")
row = cursor.fetchone()
# Debug: If not found, check if asset exists with different query
if not row:
try:
cursor.execute("SELECT COUNT(*) FROM assets WHERE id = %s", (asset_id,))
count = cursor.fetchone()[0]
print(f"Debug: Asset ID {asset_id} (type: {type(asset_id)}) - Count: {count}")
# Also check recent assets to see what IDs look like
cursor.execute("SELECT id, name FROM assets ORDER BY id DESC LIMIT 5")
recent = cursor.fetchall()
print(f"Debug: Recent asset IDs: {[r[0] for r in recent]}")
except Exception as debug_error:
print(f"Debug query error: {debug_error}")
cursor.close()
conn.close()
if row:
result = {
"asset_id": str(row[0]), # Return as string to preserve precision for large IDs
"name": row[1],
"status": row[2] or "pending",
"analyzed_at": row[3].isoformat() if row[3] else None,
}
# Add extracted_content only if column exists and value is present
if has_extracted_content and len(row) > 4:
result["extracted_content"] = row[4]
else:
result["extracted_content"] = None
return result
else:
# Log for debugging
print(f"Asset not found: id={asset_id}, type={type(asset_id)}")
raise HTTPException(status_code=404, detail=f"Asset not found: {asset_id}")
except HTTPException:
raise
except Exception as e:
if conn:
try:
cursor.close()
conn.close()
except:
pass
print(f"Error in get_asset_status for asset_id {asset_id}: {e}")
import traceback
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"Database error: {str(e)}")
except HTTPException:
raise
except Exception as e:
print(f"Error in get_asset_status (outer) for asset_id {asset_id}: {e}")
import traceback
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=str(e))
async def analyze_asset_background(asset_id: int, file_path: str, file_type: str):
"""Background task to analyze asset"""
try:
# Update status to processing
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
cursor.execute("""
UPDATE assets
SET analysis_status = 'processing'
WHERE id = %s
""", (asset_id,))
conn.commit()
cursor.close()
conn.close()
except Exception as update_error:
print(f"Could not update analysis status: {update_error}")
if conn:
conn.close()
# Analyze asset
analysis_result = await asset_analyzer.analyze_document(str(file_path))
if analysis_result.get("success") and analysis_result.get("extracted_content"):
# Update asset with extracted content
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
import json
extracted_json = json.dumps(analysis_result["extracted_content"])
cursor.execute("""
UPDATE assets
SET extracted_content = %s::jsonb,
analysis_status = 'completed',
analyzed_at = NOW()
WHERE id = %s
""", (extracted_json, asset_id))
conn.commit()
cursor.close()
conn.close()
print(f"✓ Asset {asset_id} analyzed successfully")
except Exception as update_error:
print(f"Could not save extracted content: {update_error}")
# Try to mark as failed
try:
cursor = conn.cursor()
cursor.execute("""
UPDATE assets
SET analysis_status = 'failed'
WHERE id = %s
""", (asset_id,))
conn.commit()
cursor.close()
except:
pass
if conn:
conn.close()
else:
# Mark as failed if analysis didn't succeed
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
cursor.execute("""
UPDATE assets
SET analysis_status = 'failed'
WHERE id = %s
""", (asset_id,))
conn.commit()
cursor.close()
conn.close()
except:
if conn:
conn.close()
except Exception as analysis_error:
print(f"Asset analysis error: {analysis_error}")
# Mark as failed
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
cursor.execute("""
UPDATE assets
SET analysis_status = 'failed'
WHERE id = %s
""", (asset_id,))
conn.commit()
cursor.close()
conn.close()
except:
if conn:
conn.close()
@app.post("/api/assets/upload")
async def upload_asset(
file: UploadFile = File(...),
product_category: str = Form(None),
sub_category: Optional[str] = Form(None),
db: Session = Depends(get_db)
):
"""Upload an asset to the repository"""
try:
# Create uploads directory if it doesn't exist
upload_dir = Path("uploads")
upload_dir.mkdir(exist_ok=True)
# Read file content
content = await file.read()
file_size = len(content)
# Determine file type
file_type = "unknown"
if file.content_type:
if file.content_type.startswith("image/"):
file_type = "image"
elif file.content_type.startswith("video/"):
file_type = "video"
elif file.content_type.startswith("application/pdf") or "document" in file.content_type:
file_type = "document"
# Save file to disk (use absolute path)
# Sanitize filename to prevent directory traversal and add timestamp for uniqueness
safe_filename = file.filename.replace('/', '_').replace('\\', '_')
# Add timestamp and UUID to prevent overwrites
file_stem = Path(safe_filename).stem
file_suffix = Path(safe_filename).suffix
unique_filename = f"{file_stem}_{datetime.utcnow().strftime('%Y%m%d_%H%M%S')}_{uuid.uuid4().hex[:8]}{file_suffix}"
file_path = upload_dir / unique_filename
# Resolve to absolute path for reliable access
file_path = file_path.resolve()
with open(file_path, "wb") as buffer:
buffer.write(content)
print(f"✓ File saved to: {file_path} (absolute path)")
# Save to database (keep dummy content as requested)
try:
from app.models import Asset
# Ensure default user exists and get user_id
user_id = ensure_default_user()
db_asset = Asset(
name=file.filename, # Keep original filename for display
file_path=str(file_path), # Store absolute path for reliable access
file_type=file_type,
product_category=product_category or "ocr",
sub_category=sub_category if sub_category and sub_category != "none" else None,
size=file_size,
user_id=user_id
)
db.add(db_asset)
try:
db.commit()
try:
db.refresh(db_asset)
except Exception as refresh_error:
# Refresh might fail due to version string, but commit succeeded
# Query the asset back to get the ID
if "Could not determine version" in str(refresh_error):
# Use direct psycopg2 to query back the asset
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
cursor.execute("""
SELECT id, created_at FROM assets
WHERE name = %s AND file_path = %s
ORDER BY id DESC LIMIT 1
""", (file.filename, str(file_path)))
row = cursor.fetchone()
cursor.close()
conn.close()
if row:
# Keep ID as returned from database (CockroachDB uses bigint)
db_asset.id = row[0]
print(f"✓ Asset created with ID: {db_asset.id} (type: {type(db_asset.id).__name__})")
if hasattr(db_asset, 'created_at') and row[1]:
db_asset.created_at = row[1]
except Exception as psycopg2_error:
print(f"Direct psycopg2 query failed: {psycopg2_error}")
if conn:
conn.close()
else:
raise refresh_error
except Exception as commit_error:
# If commit fails due to version string issue, use direct psycopg2
db.rollback()
error_str = str(commit_error)
if "Could not determine version" in error_str:
# Use direct psycopg2 connection to bypass SQLAlchemy
# Ensure default user exists first
user_id = ensure_default_user()
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
cursor.execute("""
INSERT INTO assets (name, file_path, file_type, product_category, sub_category, size, user_id, created_at)
VALUES (%s, %s, %s, %s, %s, %s, %s, NOW())
RETURNING id, created_at
""", (
file.filename,
str(file_path),
file_type,
product_category or "ocr",
sub_category if sub_category and sub_category != "none" else None,
file_size,
user_id
))
row = cursor.fetchone()
conn.commit()
if row:
# Keep ID as returned from database (CockroachDB uses bigint)
db_asset.id = row[0]
db_asset.created_at = row[1]
print(f"✓ Asset created with ID: {db_asset.id} (type: {type(db_asset.id).__name__})")
cursor.close()
conn.close()
# Continue with normal flow - asset is saved
else:
cursor.close()
conn.close()
raise Exception("Failed to get asset ID after insert")
except Exception as psycopg2_error:
print(f"Direct psycopg2 insert failed: {psycopg2_error}")
if conn:
try:
cursor.close()
except:
pass
conn.close()
# Don't raise - let it fall through to return dummy asset
# But log the error
print(f"⚠ Asset file saved but database insert failed: {psycopg2_error}")
else:
print("⚠ Direct psycopg2 connection failed - asset file saved but not in database")
# Don't raise - let it fall through
else:
raise commit_error
# Start background analysis task
asset_id = db_asset.id
if file_type in ["document", "image"]:
# Start background task (don't await - return immediately)
asyncio.create_task(analyze_asset_background(asset_id, str(file_path), file_type))
return {
"id": str(db_asset.id), # Return as string to preserve precision for large IDs
"name": db_asset.name,
"file_type": db_asset.file_type,
"product_category": db_asset.product_category,
"sub_category": db_asset.sub_category,
"size": db_asset.size,
"analysis_status": "processing" if file_type in ["document", "image"] else "pending",
"created_at": db_asset.created_at.isoformat() if hasattr(db_asset, 'created_at') else datetime.utcnow().isoformat()
}
except Exception as db_error:
# If database save fails, still return success (file is saved)
# This allows the app to work even if DB has issues
print(f"Database save warning: {db_error}")
return {
"id": "1", # Return as string for consistency
"name": file.filename,
"file_type": file_type,
"product_category": product_category,
"sub_category": sub_category,
"size": file_size,
"created_at": datetime.utcnow().isoformat()
}
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/api/assets", response_model=List[AssetResponse])
async def get_assets(
product_category: Optional[str] = None,
db: Session = Depends(get_db)
):
"""Get list of assets"""
try:
from app.models import Asset
from sqlalchemy import text
# Try using ORM first
try:
query = db.query(Asset)
if product_category and product_category != "all":
query = query.filter(Asset.product_category == product_category)
db_assets = query.order_by(Asset.created_at.desc()).all()
# Convert to response format
assets = []
for asset in db_assets:
assets.append({
"id": str(asset.id), # Return as string to preserve precision
"name": asset.name,
"file_type": asset.file_type,
"product_category": asset.product_category,
"sub_category": asset.sub_category,
"size": asset.size,
"extracted_content": asset.extracted_content if hasattr(asset, 'extracted_content') else None,
"analysis_status": asset.analysis_status if hasattr(asset, 'analysis_status') else None,
"analyzed_at": asset.analyzed_at.isoformat() if hasattr(asset, 'analyzed_at') and asset.analyzed_at else None,
"created_at": asset.created_at
})
except Exception as orm_error:
# If ORM fails due to version string issue, use direct psycopg2
error_str = str(orm_error)
if "Could not determine version" in error_str:
# Use direct psycopg2 connection to bypass SQLAlchemy
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
if product_category and product_category != "all":
cursor.execute("""
SELECT id, name, file_path, file_type, product_category, sub_category, size,
extracted_content, analysis_status, analyzed_at, created_at
FROM assets
WHERE product_category = %s
ORDER BY created_at DESC
""", (product_category,))
else:
cursor.execute("""
SELECT id, name, file_path, file_type, product_category, sub_category, size,
extracted_content, analysis_status, analyzed_at, created_at
FROM assets
ORDER BY created_at DESC
""")
rows = cursor.fetchall()
cursor.close()
conn.close()
assets = []
for row in rows:
assets.append({
"id": str(row[0]), # Return as string to preserve precision
"name": row[1],
"file_type": row[3],
"product_category": row[4],
"sub_category": row[5],
"size": row[6],
"extracted_content": row[7] if len(row) > 7 else None,
"analysis_status": row[8] if len(row) > 8 else None,
"analyzed_at": row[9].isoformat() if len(row) > 9 and row[9] else None,
"created_at": row[10] if len(row) > 10 else row[6]
})
except Exception as psycopg2_error:
print(f"Direct psycopg2 query failed: {psycopg2_error}")
if conn:
conn.close()
assets = []
else:
assets = []
else:
print(f"ORM query error: {orm_error}")
assets = []
# Merge with mock data (as requested - keep dummy content)
mock_assets = [
{
"id": "9991", # Return as string for consistency
"name": "OCR_Demo_Screenshot.png",
"file_type": "image",
"product_category": "ocr",
"sub_category": None,
"size": 2516582,
"created_at": datetime(2024, 12, 20)
},
{
"id": "9992", # Return as string for consistency
"name": "P2P_Workflow_Diagram.pdf",
"file_type": "document",
"product_category": "p2p",
"sub_category": "Budget Approval Workflow",
"size": 1024000,
"created_at": datetime(2024, 12, 19)
},
{
"id": "9993", # Return as string for consistency
"name": "O2C_Process_Video.mp4",
"file_type": "video",
"product_category": "o2c",
"sub_category": "Sales Order Workflow",
"size": 15728640,
"created_at": datetime(2024, 12, 18)
}
]
# Combine real assets with mock assets (real assets first)
return assets + mock_assets
except Exception as e:
# If database query fails, return mock data only
print(f"Database query warning: {e}")
return [
{
"id": 1,
"name": "OCR_Demo_Screenshot.png",
"file_type": "image",
"product_category": "ocr",
"sub_category": None,
"size": 2516582,
"created_at": datetime.utcnow()
}
]
@app.delete("/api/assets/{asset_id}")
async def delete_asset(asset_id, db: Session = Depends(get_db)):
"""Delete an asset from both filesystem and database"""
try:
from app.models import Asset
# Convert asset_id to int (Python int can handle arbitrarily large integers)
try:
asset_id_int = int(asset_id)
except (ValueError, TypeError):
raise HTTPException(status_code=400, detail=f"Invalid asset ID: {asset_id}")
# Get asset from database
conn = get_direct_psycopg2_connection()
if not conn:
raise HTTPException(status_code=500, detail="Database connection failed")
try:
cursor = conn.cursor()
cursor.execute("""
SELECT id, name, file_path
FROM assets
WHERE id = %s::bigint
""", (asset_id_int,))
row = cursor.fetchone()
if not row:
cursor.close()
conn.close()
raise HTTPException(status_code=404, detail="Asset not found")
file_path = Path(row[2])
# Delete file from filesystem
if file_path.exists():
try:
file_path.unlink()
print(f"✓ Deleted file: {file_path}")
except Exception as file_error:
print(f"⚠ Could not delete file: {file_error}")
# Continue with database deletion even if file deletion fails
# Delete from database
cursor.execute("DELETE FROM assets WHERE id = %s::bigint", (asset_id_int,))
conn.commit()
cursor.close()
conn.close()
return {
"success": True,
"message": f"Asset '{row[1]}' deleted successfully",
"asset_id": str(asset_id_int) # Return as string
}
except Exception as db_error:
if conn:
conn.close()
raise HTTPException(status_code=500, detail=f"Delete failed: {str(db_error)}")
except HTTPException:
raise
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/api/assets/{asset_id}/pdf-pages")
async def get_pdf_pages(asset_id, db: Session = Depends(get_db)):
"""Convert PDF to images and return page URLs"""
try:
from app.models import Asset
try:
from pdf2image import convert_from_path
except ImportError:
raise HTTPException(
status_code=503,
detail="PDF conversion not available. Please install pdf2image and poppler-utils."
)
import base64
from io import BytesIO
# Convert asset_id to int (Python int can handle arbitrarily large integers)
try:
asset_id_int = int(asset_id)
print(f"PDF preview request: asset_id={asset_id} -> {asset_id_int} (type: {type(asset_id_int).__name__})")
except (ValueError, TypeError):
raise HTTPException(status_code=400, detail=f"Invalid asset ID: {asset_id}")
# Try to get asset from database using ORM first
db_asset = None
print(f"PDF preview: Looking for asset_id={asset_id_int} (type: {type(asset_id_int).__name__})")
orm_failed = False
try:
db_asset = db.query(Asset).filter(Asset.id == asset_id_int).first()
if db_asset:
print(f"✓ Found asset via ORM: {db_asset.name} (id={db_asset.id})")
else:
print(f"⚠ Asset not found via ORM for id={asset_id_int}")
# Try to see what assets exist
try:
all_assets = db.query(Asset).limit(10).all()
asset_list = [(str(a.id), a.name) for a in all_assets]
print(f"Debug: Assets in DB (showing IDs as strings): {asset_list}")
# Also try without casting to see if ID type mismatch
try:
test_asset = db.query(Asset).first()
if test_asset:
print(f"Debug: Sample asset ID type: {type(test_asset.id).__name__}, value: {test_asset.id}")
except:
pass
except Exception as debug_error:
print(f"Debug query error: {debug_error}")
orm_failed = True
except Exception as orm_error:
orm_failed = True
# If ORM fails, try direct psycopg2 connection
error_str = str(orm_error)
print(f"ORM query error: {error_str}")
if "Could not determine version" in error_str:
# Try direct connection, but don't raise exception if not found - let it fall through to fallback
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
# Try multiple query approaches
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id = %s::bigint
""", (asset_id_int,))
row = cursor.fetchone()
# If not found, try without cast
if not row:
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id = %s
""", (asset_id_int,))
row = cursor.fetchone()
# If still not found, try as string
if not row:
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id::text = %s
""", (str(asset_id_int),))
row = cursor.fetchone()
cursor.close()
conn.close()
if row:
print(f"✓ Found asset via direct connection (exception handler): {row[1]} (id={row[0]})")
file_path_str = row[2]
print(f"Debug: file_path from DB: {file_path_str}")
# Resolve path - handle both relative and absolute paths
file_path = Path(file_path_str)
# Try multiple path resolution strategies
if file_path.is_absolute():
# Already absolute, use as-is
if not file_path.exists():
raise HTTPException(status_code=404, detail=f"File not found on disk: {file_path}")
else:
# Relative path - try multiple locations
possible_paths = [
Path.cwd() / file_path_str, # From current working directory
Path("/app") / file_path_str, # From /app (Docker)
Path("/app/uploads") / Path(file_path_str).name, # Just filename in /app/uploads
Path(file_path_str).resolve(), # Resolve relative to current dir
]
file_path = None
for possible_path in possible_paths:
if possible_path.exists():
file_path = possible_path
print(f"✓ Found file at: {file_path}")
break
if not file_path:
# List what's actually in /app/uploads for debugging
uploads_dir = Path("/app/uploads")
if uploads_dir.exists():
files_in_uploads = list(uploads_dir.glob("*.pdf"))
print(f"Debug: PDF files in /app/uploads: {[str(f) for f in files_in_uploads[:5]]}")
raise HTTPException(status_code=404, detail=f"File not found. Tried: {[str(p) for p in possible_paths]}")
print(f"Debug: Using file_path: {file_path} (exists: {file_path.exists()})")
if row[3] != "document" or not str(file_path).lower().endswith('.pdf'):
raise HTTPException(status_code=400, detail="File is not a PDF")
# Convert PDF pages to images
try:
images = convert_from_path(str(file_path), dpi=150)
page_images = []
for i, image in enumerate(images):
buffered = BytesIO()
image.save(buffered, format="PNG")
img_str = base64.b64encode(buffered.getvalue()).decode()
page_images.append({
"page_number": i + 1,
"image_data": f"data:image/png;base64,{img_str}"
})
return {
"asset_id": str(asset_id_int),
"asset_name": row[1],
"total_pages": len(page_images),
"pages": page_images
}
except Exception as pdf_error:
error_msg = str(pdf_error)
if "poppler" in error_msg.lower() or "pdftoppm" in error_msg.lower():
raise HTTPException(
status_code=503,
detail="PDF conversion requires poppler-utils to be installed on the server. PDFs can still be downloaded."
)
raise HTTPException(status_code=500, detail=f"PDF conversion failed: {error_msg}")
else:
print(f"⚠ Asset not found in exception handler, will try fallback")
# Don't raise - let it fall through to fallback code below
except HTTPException:
raise
except Exception as db_error:
print(f"Direct connection error in exception handler: {db_error}")
if conn:
try:
conn.close()
except:
pass
# Don't raise - let it fall through to fallback
else:
print("⚠ Direct connection failed in exception handler, will try fallback")
# Don't raise - let it fall through to fallback
else:
# Real error, not version parsing
raise HTTPException(status_code=500, detail=f"Database query failed: {str(orm_error)}")
# If we got asset from ORM, use it
if db_asset:
file_path_str = db_asset.file_path
print(f"Debug: file_path from ORM: {file_path_str}")
# Resolve path - handle both relative and absolute paths
file_path = Path(file_path_str)
# Try multiple path resolution strategies
if file_path.is_absolute():
# Already absolute, use as-is
if not file_path.exists():
raise HTTPException(status_code=404, detail=f"File not found on disk: {file_path}")
else:
# Relative path - try multiple locations
possible_paths = [
Path.cwd() / file_path_str, # From current working directory
Path("/app") / file_path_str, # From /app (Docker)
Path("/app/uploads") / Path(file_path_str).name, # Just filename in /app/uploads
Path(file_path_str).resolve(), # Resolve relative to current dir
]
file_path = None
for possible_path in possible_paths:
if possible_path.exists():
file_path = possible_path
print(f"✓ Found file at: {file_path}")
break
if not file_path:
# List what's actually in /app/uploads for debugging
uploads_dir = Path("/app/uploads")
if uploads_dir.exists():
files_in_uploads = list(uploads_dir.glob("*.pdf"))
print(f"Debug: PDF files in /app/uploads: {[str(f) for f in files_in_uploads[:5]]}")
raise HTTPException(status_code=404, detail=f"File not found. Tried: {[str(p) for p in possible_paths]}")
print(f"Debug: Using file_path: {file_path} (exists: {file_path.exists()})")
if db_asset.file_type != "document" or not str(file_path).lower().endswith('.pdf'):
raise HTTPException(status_code=400, detail="File is not a PDF")
# Convert PDF pages to images
try:
images = convert_from_path(str(file_path), dpi=150)
page_images = []
for i, image in enumerate(images):
buffered = BytesIO()
image.save(buffered, format="PNG")
img_str = base64.b64encode(buffered.getvalue()).decode()
page_images.append({
"page_number": i + 1,
"image_data": f"data:image/png;base64,{img_str}"
})
return {
"asset_id": str(asset_id_int),
"asset_name": db_asset.name,
"total_pages": len(page_images),
"pages": page_images
}
except Exception as pdf_error:
error_msg = str(pdf_error)
if "poppler" in error_msg.lower() or "pdftoppm" in error_msg.lower():
raise HTTPException(
status_code=503,
detail="PDF conversion requires poppler-utils to be installed on the server. PDFs can still be downloaded."
)
raise HTTPException(status_code=500, detail=f"PDF conversion failed: {error_msg}")
# Asset not found via ORM - try direct connection as fallback
print(f"Asset not found via ORM, trying direct connection for id={asset_id_int}")
conn = get_direct_psycopg2_connection()
if not conn:
# Last resort: try to get asset by name from the request (if we can)
raise HTTPException(status_code=404, detail="Asset not found (database connection failed)")
try:
cursor = conn.cursor()
# Try multiple query approaches
# First try with bigint cast
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id = %s::bigint
""", (asset_id_int,))
row = cursor.fetchone()
# If not found, try without cast
if not row:
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id = %s
""", (asset_id_int,))
row = cursor.fetchone()
# If still not found, try as string
if not row:
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id::text = %s
""", (str(asset_id_int),))
row = cursor.fetchone()
# Debug: show what assets exist
if not row:
cursor.execute("SELECT id, name FROM assets ORDER BY id DESC LIMIT 10")
recent = cursor.fetchall()
print(f"Debug: Recent asset IDs in DB: {[(str(r[0]), r[1]) for r in recent]}")
cursor.close()
conn.close()
if row:
print(f"✓ Found asset via direct connection: {row[1]} (id={row[0]})")
file_path_str = row[2]
print(f"Debug: file_path from DB (fallback): {file_path_str}")
# Resolve path - handle both relative and absolute paths
file_path = Path(file_path_str)
# Try multiple path resolution strategies
if file_path.is_absolute():
# Already absolute, use as-is
if not file_path.exists():
raise HTTPException(status_code=404, detail=f"File not found on disk: {file_path}")
else:
# Relative path - try multiple locations
possible_paths = [
Path.cwd() / file_path_str, # From current working directory
Path("/app") / file_path_str, # From /app (Docker)
Path("/app/uploads") / Path(file_path_str).name, # Just filename in /app/uploads
Path(file_path_str).resolve(), # Resolve relative to current dir
]
file_path = None
for possible_path in possible_paths:
if possible_path.exists():
file_path = possible_path
print(f"✓ Found file at: {file_path}")
break
if not file_path:
# List what's actually in /app/uploads for debugging
uploads_dir = Path("/app/uploads")
if uploads_dir.exists():
files_in_uploads = list(uploads_dir.glob("*.pdf"))
print(f"Debug: PDF files in /app/uploads: {[str(f) for f in files_in_uploads[:5]]}")
raise HTTPException(status_code=404, detail=f"File not found. Tried: {[str(p) for p in possible_paths]}")
print(f"Debug: Using file_path (fallback): {file_path} (exists: {file_path.exists()})")
if row[3] != "document" or not str(file_path).lower().endswith('.pdf'):
raise HTTPException(status_code=400, detail="File is not a PDF")
# Convert PDF pages to images
try:
images = convert_from_path(str(file_path), dpi=150)
page_images = []
for i, image in enumerate(images):
buffered = BytesIO()
image.save(buffered, format="PNG")
img_str = base64.b64encode(buffered.getvalue()).decode()
page_images.append({
"page_number": i + 1,
"image_data": f"data:image/png;base64,{img_str}"
})
return {
"asset_id": str(asset_id_int),
"asset_name": row[1],
"total_pages": len(page_images),
"pages": page_images
}
except Exception as pdf_error:
error_msg = str(pdf_error)
if "poppler" in error_msg.lower() or "pdftoppm" in error_msg.lower():
raise HTTPException(
status_code=503,
detail="PDF conversion requires poppler-utils to be installed on the server. PDFs can still be downloaded."
)
raise HTTPException(status_code=500, detail=f"PDF conversion failed: {error_msg}")
else:
raise HTTPException(status_code=404, detail=f"Asset not found. Searched for id={asset_id_int}")
except HTTPException:
raise
except Exception as direct_error:
print(f"Direct connection error: {direct_error}")
import traceback
print(traceback.format_exc())
raise HTTPException(status_code=500, detail=f"Database error: {str(direct_error)}")
file_path = Path(db_asset.file_path)
if not file_path.exists():
raise HTTPException(status_code=404, detail="File not found on disk")
if db_asset.file_type != "document" or not str(file_path).lower().endswith('.pdf'):
raise HTTPException(status_code=400, detail="File is not a PDF")
# Convert PDF pages to images
try:
images = convert_from_path(str(file_path), dpi=150)
page_images = []
for i, image in enumerate(images):
buffered = BytesIO()
image.save(buffered, format="PNG")
img_str = base64.b64encode(buffered.getvalue()).decode()
page_images.append({
"page_number": i + 1,
"image_data": f"data:image/png;base64,{img_str}"
})
return {
"asset_id": str(asset_id_int),
"asset_name": db_asset.name,
"total_pages": len(page_images),
"pages": page_images
}
except Exception as pdf_error:
error_msg = str(pdf_error)
if "poppler" in error_msg.lower() or "pdftoppm" in error_msg.lower():
raise HTTPException(
status_code=503,
detail="PDF conversion requires poppler-utils to be installed on the server. PDFs can still be downloaded."
)
raise HTTPException(status_code=500, detail=f"PDF conversion failed: {error_msg}")
except HTTPException:
raise
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/api/assets/{asset_id}/download")
async def download_asset(asset_id, db: Session = Depends(get_db)):
"""Download or preview an asset file"""
try:
from app.models import Asset
# Convert asset_id to int (Python int can handle arbitrarily large integers)
try:
asset_id_int = int(asset_id)
except (ValueError, TypeError):
raise HTTPException(status_code=400, detail=f"Invalid asset ID: {asset_id}")
# Try to get asset from database
try:
db_asset = db.query(Asset).filter(Asset.id == asset_id_int).first()
except Exception as orm_error:
# If ORM fails, use direct psycopg2
if "Could not determine version" in str(orm_error):
conn = get_direct_psycopg2_connection()
if conn:
try:
cursor = conn.cursor()
cursor.execute("""
SELECT id, name, file_path, file_type
FROM assets
WHERE id = %s::bigint
""", (asset_id_int,))
row = cursor.fetchone()
cursor.close()
conn.close()
if row:
file_path = Path(row[2])
if file_path.exists():
return FileResponse(
path=str(file_path),
filename=row[1],
media_type="application/octet-stream"
)
else:
raise HTTPException(status_code=404, detail="File not found on disk")
else:
raise HTTPException(status_code=404, detail="Asset not found")
except Exception as psycopg2_error:
if conn:
conn.close()
raise HTTPException(status_code=500, detail=str(psycopg2_error))
else:
raise HTTPException(status_code=500, detail=str(orm_error))
if not db_asset:
raise HTTPException(status_code=404, detail="Asset not found")
file_path = Path(db_asset.file_path)
if not file_path.exists():
raise HTTPException(status_code=404, detail="File not found on disk")
# Determine media type
media_type = "application/octet-stream"
if db_asset.file_type == "image":
if file_path.suffix.lower() in [".jpg", ".jpeg"]:
media_type = "image/jpeg"
elif file_path.suffix.lower() == ".png":
media_type = "image/png"
elif file_path.suffix.lower() == ".gif":
media_type = "image/gif"
elif file_path.suffix.lower() == ".webp":
media_type = "image/webp"
elif db_asset.file_type == "video":
if file_path.suffix.lower() == ".mp4":
media_type = "video/mp4"
elif file_path.suffix.lower() == ".webm":
media_type = "video/webm"
elif db_asset.file_type == "document":
if file_path.suffix.lower() == ".pdf":
media_type = "application/pdf"
elif file_path.suffix.lower() in [".doc", ".docx"]:
media_type = "application/msword"
return FileResponse(
path=str(file_path),
filename=db_asset.name,
media_type=media_type
)
except HTTPException:
raise
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
# ---- Post Management ----
@app.post("/api/posts", response_model=PostResponse)
async def create_post(post_data: dict):
"""Create a new post"""
# In a real implementation, save to database
return {
"id": 1,
"title": post_data.get("title", "New Post"),
"content": post_data.get("content", ""),
"post_type": post_data.get("post_type", "content_only"),
"product_category": post_data.get("product_category", "ocr"),
"scheduled_date": post_data.get("scheduled_date", datetime.utcnow()),
"status": "draft",
"created_at": datetime.utcnow()
}
@app.get("/api/posts", response_model=List[PostResponse])
async def get_posts():
"""Get list of posts"""
# Mock data for now
return [
{
"id": 1,
"title": "OCR Document Automation Benefits",
"content": "Transform your document processing...",
"post_type": "carousel",
"product_category": "ocr",
"scheduled_date": datetime.utcnow(),
"status": "scheduled",
"created_at": datetime.utcnow()
}
]
# ---- Campaign Management ----
@app.post("/api/campaigns/generate")
async def generate_campaign(campaign_data: dict, db: Session = Depends(get_db)):
"""Generate a campaign schedule using agentic AI"""
try:
from datetime import datetime
from app.models import Asset
# Extract campaign parameters
date_range_start = datetime.fromisoformat(campaign_data.get("date_range_start").replace("Z", "+00:00"))
date_range_end = datetime.fromisoformat(campaign_data.get("date_range_end").replace("Z", "+00:00"))
products = campaign_data.get("products", [])
post_types = campaign_data.get("post_types", [])
posts_per_week = campaign_data.get("posts_per_week", 5)
# Fetch relevant assets for the selected products
assets = []
try:
# Query assets matching the product categories
db_assets = db.query(Asset).filter(Asset.product_category.in_(products)).all()
for asset in db_assets:
asset_dict = {
"id": asset.id,
"name": asset.name,
"file_type": asset.file_type,
"product_category": asset.product_category,
"sub_category": asset.sub_category,
"extracted_content": asset.extracted_content if hasattr(asset, 'extracted_content') else None,
"analysis_status": asset.analysis_status if hasattr(asset, 'analysis_status') else None
}
assets.append(asset_dict)
except Exception as asset_error:
print(f"Could not fetch assets: {asset_error}")
# Continue without assets
# Use agentic planner to generate campaign
campaign_plan = await agentic_planner.plan_campaign(
date_range_start=date_range_start,
date_range_end=date_range_end,
products=products,
post_types=post_types,
posts_per_week=posts_per_week,
assets=assets
)
return campaign_plan
except Exception as e:
import traceback
print(f"Campaign generation error: {traceback.format_exc()}")
raise HTTPException(status_code=500, detail=f"Campaign generation failed: {str(e)}")
# ---- Frontend static serving ----
# Path calculation: /app/backend/app/main.py -> /app/frontend/dist
FRONTEND_DIST = Path("/app/frontend/dist")
INDEX_FILE = FRONTEND_DIST / "index.html"
if FRONTEND_DIST.exists():
# Serve static assets (JS, CSS, images, etc.) from /assets
assets_dir = FRONTEND_DIST / "assets"
if assets_dir.exists():
app.mount("/assets", StaticFiles(directory=str(assets_dir)), name="assets")
# Serve index.html for root
@app.get("/")
async def serve_index():
if INDEX_FILE.exists():
return FileResponse(str(INDEX_FILE))
return {"detail": "Frontend not found"}
# SPA fallback: any non-/api route should return React index.html
# This must be last to catch all routes not handled above
@app.get("/{full_path:path}")
async def spa_fallback(full_path: str):
# Don't handle API routes here
if full_path.startswith("api/"):
return {"detail": "Not Found"}
# Don't handle assets (already mounted)
if full_path.startswith("assets/"):
return {"detail": "Not Found"}
# Serve index.html for all other routes (SPA routing)
if INDEX_FILE.exists():
return FileResponse(str(INDEX_FILE))
return {"detail": "Frontend not found"}
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