modified: Dockerfile

modified:   README.md
	modified:   app.py
	new file:   blueprints/__init__.py
	new file:   blueprints/__pycache__/.gitignore
	new file:   blueprints/auth.py
	new file:   blueprints/finance.py
	new file:   blueprints/inventory.py
	new file:   blueprints/pos.py
	new file:   blueprints/sales.py
	new file:   core/__pycache__/.gitignore
	new file:   core/db.py
	new file:   core/db/.gitignore
	new file:   core/events.py
	new file:   core/openfood.py
	new file:   core/utils.py
	modified:   static/style.css
	modified:   templates/checkout.html
	modified:   templates/dicom.html
	modified:   templates/login.html
	modified:   templates/macros/base.html
	modified:   templates/macros/modals.html
	modified:   templates/macros/navbar.html

core/utils.py

@@ -0,0 +1,46 @@
+import os
+import sys
+import mimetypes
+import requests
+
+def get_bundled_path(relative_path):
+    """Path for read-only files packed inside the .exe (templates, static)"""
+    if getattr(sys, 'frozen', False):
+        base_path = sys._MEIPASS
+    else:
+        project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+        base_path = project_root
+    return os.path.join(base_path, relative_path)
+
+def get_persistent_path(relative_path):
+    """Path for read/write files that must survive reboots (db, cache)"""
+    if getattr(sys, 'frozen', False):
+        base_path = os.path.dirname(sys.executable)
+    else:
+        project_root = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+        base_path = project_root
+    return os.path.join(base_path, relative_path)
+
+def download_image(url, barcode, cache_dir):
+    if not url or not url.startswith('http'): 
+        return url
+        
+    try:
+        headers = {'User-Agent': 'SekiPOS/1.2'}
+        with requests.get(url, headers=headers, stream=True, timeout=5) as r:
+            r.raise_for_status()
+            
+            content_type = r.headers.get('content-type')
+            ext = mimetypes.guess_extension(content_type) or '.jpg'
+            
+            local_filename = f"{barcode}{ext}"
+            local_path = os.path.join(cache_dir, local_filename)
+            
+            with open(local_path, 'wb') as f:
+                for chunk in r.iter_content(chunk_size=8192):
+                    f.write(chunk)
+                    
+            return f"/static/cache/{local_filename}"
+    except Exception as e:
+        print(f"Download failed: {e}")
+    return url