# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

## [0.0.3] - 2026-01-21

### Added

- File attachment support for product versions (WordPress Media Library integration)
- Version auto-detection from uploaded filenames (e.g., `plugin-v1.2.3.zip`)
- Customer download page for purchased licenses with secure authenticated downloads
- License key copy-to-clipboard functionality on account page and emails
- New card-based UI for customer licenses page with download section
- DownloadController for secure file delivery with hash-based URL verification

### Changed

- Product versions meta box now hidden for non-licensed product types (dynamic show/hide)
- Redesigned customer licenses page with modern card layout
- Frontend JavaScript and CSS enhancements for better UX

### Technical Details

- New class: DownloadController for secure file downloads
- Database schema updated: `attachment_id` column added to versions table
- ProductVersion model extended with `getEffectiveDownloadUrl()` and `getDownloadFilename()`
- Secure download URLs use hash verification (license_id-version_id-hash format)

## [0.0.2] - 2026-01-21

### Added

- Product version management UI in admin (meta box on product edit page)
- AJAX-based version CRUD operations (add, delete, toggle active status)
- ProductVersion model and VersionManager for version data handling
- Email notifications with license keys on order completion
- License information included in WooCommerce order completed emails
- Rate limiting for REST API endpoints (30 requests/minute per IP)
- Cloudflare and proxy-aware IP detection for rate limiting
- JavaScript for version management interactions

### Changed

- Declared WooCommerce HPOS and cart/checkout blocks compatibility
- Plugin name changed from "WC Licensed Product" to "WooCommerce Licensed Product"

### Technical Details

- New classes: ProductVersion, VersionManager, VersionAdminController, LicenseEmailController
- Rate limiting uses WordPress transients for request counting
- HTTP 429 response with Retry-After header when rate limited

## [0.0.1] - 2026-01-21

### Added

- Initial plugin structure with WordPress Plugin API integration
- New WooCommerce product type "Licensed Product" for selling software licenses
- License key generation with format XXXX-XXXX-XXXX-XXXX on order completion
- Domain-based license validation (licenses bound to specific domains)
- REST API endpoints for license management:
  - `POST /wp-json/wc-licensed-product/v1/validate` - Validate license for domain
  - `POST /wp-json/wc-licensed-product/v1/status` - Check license status
  - `POST /wp-json/wc-licensed-product/v1/activate` - Activate license on domain
  - `POST /wp-json/wc-licensed-product/v1/deactivate` - Deactivate license
- Checkout domain field for licensed products
- Customer account page "Licenses" to view purchased licenses
- Admin interface for license management (WooCommerce > Licenses)
- License settings per product:
  - Maximum activations per license
  - License validity period (days or lifetime)
  - Optional binding to major software version
  - Current version tracking
- Custom database tables for licenses and product versions
- Twig template engine integration for views
- Full internationalization support (i18n)
- German (Switzerland, formal) translation (de_CH)
- WooCommerce HPOS compatibility
- Responsive frontend license table

### Technical

- PHP 8.3+ required
- WooCommerce 10.0+ required
- PSR-4 autoloading via Composer
- Twig 3.0 template engine
- WordPress REST API integration
- Custom WooCommerce product type extending WC_Product

[Unreleased]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.0.3...HEAD
[0.0.3]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.0.2...v0.0.3
[0.0.2]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/compare/v0.0.1...v0.0.2
[0.0.1]: https://src.bundespruefstelle.ch/magdev/wc-licensed-product/releases/tag/v0.0.1