added report lab options

py_app/app/routes.py

@@ -4,6 +4,8 @@ from datetime import datetime, timedelta
 from flask import Blueprint, render_template, redirect, url_for, request, flash, session, current_app, jsonify
 from .models import User
 from . import db
+from reportlab.lib.pagesizes import letter
+from reportlab.pdfgen import canvas
 
 bp = Blueprint('main', __name__)
 
@@ -61,7 +63,7 @@ def settings():
     # Load external database settings from the instance folder
     external_settings = {}
     settings_file = os.path.join(current_app.instance_path, 'external_server.conf')
-    if os.path.exists(settings_file):
+    if (os.path.exists(settings_file)):
         with open(settings_file, 'r') as f:
             for line in f:
                 key, value = line.strip().split('=', 1)
@@ -385,4 +387,37 @@ def save_template():
     data = request.get_json()
     # Replace with logic to save the template to the database
     print(f"Saving template: {data}")
-    return jsonify({'message': 'Template saved successfully!'})
+    return jsonify({'message': 'Template saved successfully!'})
+
+@bp.route('/generate_pdf', methods=['POST'])
+def generate_pdf():
+    data = request.get_json()
+    width = data.get('width', 100)  # Default width in mm
+    height = data.get('height', 50)  # Default height in mm
+    columns = data.get('columns', [])
+
+    # Convert dimensions from mm to points (1 mm = 2.83465 points)
+    width_points = width * 2.83465
+    height_points = height * 2.83465
+
+    # Ensure the /static/label_templates folder exists
+    label_templates_folder = os.path.join(current_app.root_path, 'static', 'label_templates')
+    os.makedirs(label_templates_folder, exist_ok=True)
+
+    # Define the path for the PDF file
+    pdf_file_path = os.path.join(label_templates_folder, 'label_template.pdf')
+
+    # Create a PDF file
+    c = canvas.Canvas(pdf_file_path, pagesize=(width_points, height_points))
+
+    # Add content to the PDF
+    c.drawString(10, height_points - 20, "Label Template")
+    y_position = height_points - 40
+    for column in columns:
+        c.drawString(10, y_position, f"Column: {column}")
+        y_position -= 20
+
+    # Save the PDF
+    c.save()
+
+    return jsonify({'message': 'PDF generated successfully!', 'pdf_path': f'/static/label_templates/label_template.pdf'})