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'})

py_app/app/static/script.js

@@ -303,4 +303,43 @@ document.addEventListener('DOMContentLoaded', () => {
             })
             .catch(error => console.error('Error saving template:', error));
     });
+
+    document.getElementById('generate-pdf-btn').addEventListener('click', () => {
+        const width = document.getElementById('label-width').value;
+        const height = document.getElementById('label-height').value;
+        const selectedColumns = Array.from(document.querySelectorAll('#columns-container input[type="checkbox"]:checked'))
+            .map(checkbox => checkbox.value);
+
+        if (!width || !height || selectedColumns.length === 0) {
+            alert('Please set dimensions and select at least one column.');
+            return;
+        }
+
+        const data = {
+            width: parseFloat(width),
+            height: parseFloat(height),
+            columns: selectedColumns
+        };
+
+        fetch('/generate_pdf', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json'
+            },
+            body: JSON.stringify(data)
+        })
+            .then(response => response.json())
+            .then(result => {
+                alert(result.message);
+                console.log('PDF Path:', result.pdf_path);
+
+                // Provide a link to download the PDF
+                const downloadLink = document.createElement('a');
+                downloadLink.href = result.pdf_path;
+                downloadLink.textContent = 'Download Generated PDF';
+                downloadLink.target = '_blank';
+                document.getElementById('label-preview').appendChild(downloadLink);
+            })
+            .catch(error => console.error('Error generating PDF:', error));
+    });
 });

py_app/app/templates/create_template.html

@@ -22,7 +22,6 @@
                         <label for="label-height">Height (mm):</label>
                         <input type="number" id="label-height" name="label_height" required>
                     </div>
-                    <button type="button" id="set-dimensions-btn" class="btn">Set Dimensions</button>
                 </form>
             </div>
 
@@ -40,6 +39,13 @@
                     <!-- Columns will be dynamically populated here -->
                 </div>
             </div>
+
+            <hr style="margin: 20px 0;">
+
+            <!-- Generate PDF Template -->
+            <div>
+                <button type="button" id="generate-pdf-btn" class="btn">Generate PDF Template</button>
+            </div>
         </div>
     </div>
 
@@ -51,7 +57,6 @@
             <div id="label-preview" style="border: 1px solid #ddd; padding: 10px; min-height: 200px;">
                 <!-- Label preview will be dynamically updated here -->
             </div>
-            <button type="button" id="save-template-btn" class="btn">Save Template</button>
         </div>
     </div>
 </div>

py_app/requirements.txt

@@ -4,4 +4,5 @@ Werkzeug
 gunicorn
 flask-sqlalchemy
 pyodbc
-mariadb
+mariadb
+reportlab