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routes/pdf_routes.py

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+# routes/pdf_routes.py - PDF Upload and Processing Routes
+
+import json
+from flask import Blueprint, request, jsonify
+
+from db import get_db
+from pdf_processor import process_pdf_to_markdown
+from auth import login_required
+
+pdf_bp = Blueprint('pdf', __name__)
+
+
+@pdf_bp.route('/api/upload-pdf', methods=['POST'])
+@login_required
+def upload_pdf():
+    """Upload and process a PDF file."""
+    if 'file' not in request.files:
+        return jsonify({'error': 'No file provided'}), 400
+    
+    pdf_file = request.files['file']
+    
+    if not pdf_file or not pdf_file.filename:
+        return jsonify({'error': 'Invalid file'}), 400
+    
+    if not pdf_file.filename.lower().endswith('.pdf'):
+        return jsonify({'error': 'File must be a PDF'}), 400
+    
+    try:
+        print(f"📄 Processing PDF: {pdf_file.filename}")
+        
+        pdf_bytes = pdf_file.read()
+        result = process_pdf_to_markdown(pdf_bytes)
+        
+        # Save PDF document record
+        db = get_db()
+        cursor = db.cursor()
+        
+        cursor.execute('''
+            INSERT INTO pdf_documents (filename, page_count, metadata)
+            VALUES (?, ?, ?)
+        ''', (
+            pdf_file.filename,
+            result["page_count"],
+            json.dumps(result["metadata"])
+        ))
+        db.commit()
+        
+        doc_id = cursor.lastrowid
+        
+        print(f"✅ PDF processed: {result['page_count']} pages, {len(result['markdown_blocks'])} blocks")
+        
+        return jsonify({
+            'success': True,
+            'document_id': doc_id,
+            'filename': pdf_file.filename,
+            'page_count': result['page_count'],
+            'metadata': result['metadata'],
+            'blocks': result['markdown_blocks']
+        })
+        
+    except Exception as e:
+        import traceback
+        traceback.print_exc()
+        return jsonify({'error': str(e)}), 500