Implement RBAC roles system

src/web/routes/error.js

@@ -0,0 +1,62 @@
+const { renderView } = require('../view');
+
+function getErrorCopy(statusCode, message) {
+  const normalizedStatusCode = Number(statusCode) || 500;
+
+  if (normalizedStatusCode === 403) {
+    return {
+      title: 'Access denied',
+      errorTitle: 'Access denied',
+      errorMessage: message || 'You do not have permission to access this area.',
+      backLabel: 'Back to dashboard'
+    };
+  }
+
+  if (normalizedStatusCode === 404) {
+    return {
+      title: 'Not found',
+      errorTitle: 'Oops! Page not found.',
+      errorMessage: message || 'We could not find the page you were looking for. Meanwhile, you may return to the dashboard or try searching for what you need.',
+      backLabel: 'Back to dashboard'
+    };
+  }
+
+  if (normalizedStatusCode >= 500) {
+    return {
+      title: 'Something went wrong',
+      errorTitle: 'Something went wrong.',
+      errorMessage: message || 'An unexpected error occurred. Please try again in a moment.',
+      backLabel: 'Back to dashboard'
+    };
+  }
+
+  return {
+    title: 'Error',
+    errorTitle: 'Error',
+    errorMessage: message || 'An unexpected error occurred.',
+    backLabel: 'Back to dashboard'
+  };
+}
+
+module.exports = function renderErrorPage(options, currentUser) {
+  const errorOptions = options || {};
+  const statusCode = Number(errorOptions.statusCode || 500);
+  const copy = getErrorCopy(statusCode, String(errorOptions.message || '').trim());
+  return renderView('error', {
+    title: String(errorOptions.title || copy.title || 'Error').trim(),
+    active: '',
+    messageVariant: 'primary',
+    currentUser: currentUser || null,
+    statusCode: statusCode,
+    errorTitle: String(errorOptions.errorTitle || copy.errorTitle || errorOptions.title || 'Error').trim(),
+    errorMessage: String(errorOptions.message || copy.errorMessage || 'An unexpected error occurred.').trim(),
+    detail: String(errorOptions.detail || '').trim(),
+    backUrl: String(errorOptions.backUrl || '/admin').trim() || '/admin',
+    backLabel: String(errorOptions.backLabel || copy.backLabel || 'Back to dashboard').trim() || 'Back to dashboard',
+    searchUrl: String(errorOptions.searchUrl || '').trim(),
+    bodyClass: 'error-page bg-dark text-white',
+    errorShell: true,
+    stylesheets: [],
+    scripts: []
+  });
+};