fix landing page

utils/helpers.py

@@ -0,0 +1,56 @@
+"""
+Shared Utility Functions
+Common helpers used across the application
+"""
+import uuid
+import re
+from typing import TYPE_CHECKING
+
+from app import config
+
+if TYPE_CHECKING:
+    from database.models import User
+
+
+def generate_uuid() -> str:
+    """Generate a new UUID string"""
+    return str(uuid.uuid4())
+
+
+def is_ldap_user(user: "User") -> bool:
+    """Check if user is managed by LDAP (Authelia mode with no local password)"""
+    return config.AUTHELIA_ENABLED and user.password_hash is None
+
+
+def is_ldap_admin(user: "User") -> bool:
+    """Check if user is an LDAP-managed admin"""
+    return is_ldap_user(user) and user.role == "admin"
+
+
+def validate_password(password: str) -> list[str]:
+    """
+    Validate password strength.
+    Returns list of error messages (empty if valid).
+    """
+    errors = []
+    if len(password) < 8:
+        errors.append("at least 8 characters")
+    if not re.search(r'[A-Z]', password):
+        errors.append("one uppercase letter")
+    if not re.search(r'[a-z]', password):
+        errors.append("one lowercase letter")
+    if not re.search(r'[0-9]', password):
+        errors.append("one number")
+    return errors
+
+
+def format_password_errors(errors: list[str]) -> str:
+    """Format password validation errors into a message"""
+    if not errors:
+        return ""
+    return f"Password must contain: {', '.join(errors)}"
+
+
+def get_notification_default(value, default):
+    """Get notification setting value with default fallback"""
+    return value if value is not None else default