Noble Arcadia Institute Maintenance Mode

A production-ready WordPress Coming Soon / Maintenance Mode plugin with a polished landing page, waitlist capture, launch countdown, editable content, and launch-email automation.

Highlights

• Beautiful public coming-soon page with:
  • Hero section, countdown timer, feature grid, FAQ, and waitlist form
  • Responsive UI and accessible interactions
  • Animated yet lightweight front-end (@assets/css/style.css, @assets/js/script.js)
• Full admin control panel under the Waitlist menu:
  • Dashboard with signup stats
  • Page Content editor (all front-end copy editable from wp-admin)
  • Settings (maintenance toggle, launch date, email branding, admin email)
  • One-click Send Launch Email page
• Waitlist management via custom post type (abt_waitlist):
  • Captures and stores subscribers
  • CSV export
  • Per-subscriber “Resend welcome email”
  • Launch-email sent status tracking
• Secure maintenance bypass flow:
  • Tokenized bypass URL (?accesspoint=...)
  • 1-hour secure cookie access window
  • Key regeneration from settings
• Automatic launch email dispatch using WP-Cron every 5 minutes after launch datetime.

Requirements

• WordPress 6.x+
• PHP 7.4+ (8.x recommended)
• Mail delivery configured in WordPress for reliable email sending

Installation

1. Upload this plugin folder to: wp-content/plugins/
2. Activate Noble Arcadia Institute Maintenance Mode from Plugins.
3. Go to: Waitlist → Settings
4. Configure:
   • Maintenance mode ON/OFF
   • Launch date/time
   • Notification email recipient
   • Email logo and branding

How It Works

1) Maintenance Mode

When enabled, non-admin visitors are served the plugin’s coming-soon template.

• Admin users are never blocked.
• Admin AJAX/cron/admin routes are not blocked.
• A bypass URL can grant temporary (1 hour) front-end access to the live site.

2) Waitlist Signup

The public email form sends an AJAX request to abt_mm_notify:

• Validates email + nonce
• Prevents duplicates
• Saves to abt_waitlist post type
• Sends:
  • Admin notification email
  • User confirmation email

3) Launch Emails

Launch emails can be sent:

• Automatically via cron once launch datetime is reached
• Manually via Waitlist → Send Launch Email

Each entry is marked after send to prevent duplicate launch emails.

Admin Screens

All plugin pages are under the Waitlist menu:

• Dashboard: Signup totals, recent metrics, quick actions, CSV export
• Waitlist Entries: Subscriber records and resend action
• Page Content: Edit all public text and feature icons
• Settings: Maintenance controls, launch datetime, bypass link, email branding
• Send Launch Email: Manual launch email trigger with pending count

Mailchimp Integration (Optional)

If Mailchimp for WordPress (MC4WP) is present, this plugin triggers:

• mc4wp_form_subscribe on new signup
• mc4wp_remove_subscriber when a waitlist entry is deleted

If MC4WP is not installed, plugin core flow still works normally.

File Structure

abt-maintenance-mode.php          # Plugin bootstrap, constants, hooks
maintenance-template.php          # Public coming-soon page template
@includes/
  admin.php                       # Admin pages and CSV export
  functions.php                   # Content defaults, waitlist/email logic, cron logic
  maintenance-mode.php            # Front-end maintenance gating + bypass
@assets/
  css/style.css                   # Coming-soon styles
  js/script.js                    # Countdown, AJAX form, modal/FAQ behavior

Security Notes

• Nonce validation for AJAX/form actions
• Capability checks for admin-only operations
• Sanitization for all persisted settings/content fields
• Safe output escaping in templates/admin UI
• Bypass token validated with constant-time comparison (hash_equals)

Version

Current plugin version: 5.0

Author

Ahmad Bin Tahir