magdev/wc-tier-and-package-prices
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wc-tier-and-package-prices/CHANGELOG.md
magdev cfdbfe1504 Release version 1.1.9 - Critical function redeclaration fix 
Fixed critical function redeclaration error affecting versions 1.1.3-1.1.8
that caused fatal errors during plugin activation and deactivation.

Fixes:
- Function redeclaration error for wc_tpp_woocommerce_missing_notice()
- Fatal error "Cannot redeclare function" when plugin file loaded multiple times
- Plugin activation/deactivation failures

Technical Changes:
- Wrapped wc_tpp_woocommerce_missing_notice() in function_exists() check
- Moved function declaration before WooCommerce check for better organization
- Prevents fatal errors during WordPress plugin lifecycle events

Updated Files:
- wc-tier-and-package-prices.php (version 1.1.9, function safety check)
- composer.json (version 1.1.9)
- CHANGELOG.md (v1.1.9 section)
- All translation files compiled (.mo files)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-22 18:40:48 +01:00

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# Changelog
All notable changes to WooCommerce Tier and Package Prices 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).
## [1.1.9] - 2025-12-22
### Fixed
- **CRITICAL:** Function redeclaration error for `wc_tpp_woocommerce_missing_notice()` affecting versions 1.1.3-1.1.8
- Fatal error "Cannot redeclare function wc_tpp_woocommerce_missing_notice()" when plugin file loaded multiple times
- Plugin activation and deactivation failures caused by function redeclaration
### Technical Details
- Wrapped `wc_tpp_woocommerce_missing_notice()` function in `function_exists()` check
- Prevents fatal error during WordPress plugin activation/deactivation cycles
- Ensures function can safely be declared even if file is included multiple times
- Moved function declaration before WooCommerce check for better code organization
## [1.1.8] - 2025-12-22
### Fixed
- **CRITICAL:** Plugin activation fatal error introduced in v1.1.3-v1.1.7
- Fixed premature class instantiation of `WC_TPP_Admin` and `WC_TPP_Product_Meta`
- Both classes now instantiated via `woocommerce_loaded` hook after WooCommerce is available
- Resolves WordPress 6.9.x and WooCommerce 10.x compatibility issues
### Technical Details
- Removed `new WC_TPP_Admin();` from bottom of class-wc-tpp-admin.php
- Removed `new WC_TPP_Product_Meta();` from bottom of class-wc-tpp-product-meta.php
- Added both classes to `init_classes()` method in main plugin file
- All four main classes (Admin, Product Meta, Frontend, Cart) now follow same initialization pattern
- Ensures WooCommerce hooks are available before registration
## [1.1.7] - 2025-12-22
### Added
- Optional text labels for tier pricing (similar to package labels)
- Clickable tier pricing rows that auto-populate quantity field
- Add to Cart button auto-disable when quantity is 0 or less
### Enhanced
- Tier pricing table rows now clickable with visual hover feedback
- Clicking a tier row sets quantity to that tier's minimum quantity
- Smooth scroll animation to quantity field when tier is clicked
- Add to Cart button disabled state with visual feedback (opacity, cursor)
- Tier labels display below quantity in frontend table (italic, gray text)
### Technical Details
- Added optional `label` field to tier pricing meta box (admin/tier-row.twig)
- Updated tier save logic to store label field (class-wc-tpp-product-meta.php)
- Enhanced tier pricing template to display labels (frontend/tier-pricing-table.twig)
- Added click handler for tier rows (assets/js/frontend.js)
- Added `updateAddToCartButton()` function to manage button state
- CSS: `.wc-tpp-tier-label` styling for tier labels
- CSS: Clickable cursor and hover animation for tier rows
- CSS: Disabled button styling (`.single_add_to_cart_button:disabled`)
## [1.1.6] - 2025-12-21
### Fixed
- **CRITICAL:** Plugin activation fatal error in v1.1.3, v1.1.4, and v1.1.5
- Fatal error caused by premature class instantiation before WooCommerce is loaded
- Removed immediate class instantiation from `class-wc-tpp-cart.php` and `class-wc-tpp-frontend.php`
### Technical
- Moved `WC_TPP_Cart` and `WC_TPP_Frontend` instantiation to `woocommerce_loaded` hook
- Added `init_classes()` method to main plugin class for controlled class initialization
- Ensures WooCommerce is fully loaded before registering hooks that depend on WC functions
- Fixed hook registration timing to prevent accessing WooCommerce before it's available
## [1.1.5] - 2025-12-21
### Fixed
- **CRITICAL:** Plugin activation error in v1.1.3 and v1.1.4 caused by `add_cart_quantity_css()` method
- Fatal error when WooCommerce cart object not available during plugin initialization
- Frontend errors on admin pages and during activation
### Technical
- Added `function_exists('WC')` check before accessing WooCommerce functions
- Added `is_admin()` check to prevent CSS injection on admin pages
- Enhanced error prevention in `add_cart_quantity_css()` method
## [1.1.4] - 2025-12-21
### Added
- WooCommerce Blocks support for quantity restrictions
- `woocommerce_store_api_product_quantity_editable` filter for block-based carts
- `block_quantity_editable()` method in WC_TPP_Cart class
- CSS targeting for `.wc-block-components-quantity-selector` elements
### Enhanced
- "View Options" button styling to match standard WooCommerce "Add to Cart" buttons
- Button padding, font weight, and border radius for better visual consistency
- Hover effects with smooth transitions
### Fixed
- WooCommerce blocks cart quantity selector visibility for restricted products
- WooCommerce blocks mini-cart quantity selector visibility
### Technical
- Added Store API integration for block-based cart/mini-cart
- Enhanced CSS for block cart items with product-specific selectors
- Improved button styling with WooCommerce standard values (0.618em × 1em padding)
- Added transition effects for better UX
## [1.1.3] - 2025-12-21
### Fixed
- Cart quantity input visibility issue in cart and cart sidebar for restricted products
- Enhanced filter priority (999) to ensure quantity hiding runs after other plugins
- Mini-cart quantity input now properly hidden for restricted products
### Added
- `woocommerce_widget_cart_item_quantity` filter support for mini-cart
- `add_cart_quantity_css()` method for dynamic CSS injection
- `data-product-id` attribute to quantity spans for targeted CSS selectors
- CSS class `wc-tpp-restricted-qty` for improved targeting
### Technical
- Increased filter priority from 10 to 999 for `woocommerce_cart_item_quantity`
- Added `maybe_hide_mini_cart_quantity_input()` method in WC_TPP_Cart class
- Dynamic CSS injection via `wp_head` action as fallback
- Used both sibling (+) and general sibling (~) CSS selectors for DOM variations
## [1.1.2] - 2025-12-21
### Added
- Catalog "View Options" button for products with quantity restrictions
- Automatic button replacement in shop/category/archive pages
- Eye icon (Dashicons) for "View Options" button styling
### Changed
- "Add to Cart" button replaced with "View Options" link on catalog pages for restricted products
- CSS now loads on all WooCommerce pages (shop, cart, checkout, product)
- Catalog buttons now direct to product page instead of adding to cart
### Technical
- Added `has_quantity_restriction()` static method in WC_TPP_Frontend class
- Added `modify_catalog_add_to_cart_button()` method in WC_TPP_Frontend class
- Extended `woocommerce_loop_add_to_cart_link` filter hook
- CSS classes: `wc-tpp-view-options`, `wc-tpp-cart-quantity`, `wc-tpp-restriction-notice`
- Updated `enqueue_scripts()` to load CSS on all WooCommerce pages
### Translations
- Added 2 new translatable strings
- Updated all translations (en_US, de_DE, de_CH_informal)
- Compiled all .mo files with new strings
## [1.1.1] - 2025-12-21
### Added
- Cart quantity field hiding when package restriction is enabled
- Automatic read-only quantity display in cart for restricted products
### Changed
- Cart quantity input replaced with plain text when restrictions apply
- Enhanced cart display to prevent quantity modification for restricted products
### Fixed
- Cart quantity bypass vulnerability for package-restricted products
### Technical
- Added `maybe_hide_cart_quantity_input()` method in WC_TPP_Cart class
- Extended `woocommerce_cart_item_quantity` filter hook
- CSS class `wc-tpp-cart-quantity` for styled quantity display
## [1.1.0] - 2025-12-21
### Added
- Package quantity restriction feature
- Global setting to restrict quantities to defined package sizes
- Per-product setting to restrict quantities to defined package sizes
- Frontend validation preventing non-package quantities
- Server-side cart validation for package quantities
- User-friendly error messages showing available package sizes
- Automatic quantity field hiding when restriction is enabled
- Package selection UI with highlighted states
### Changed
- Enhanced package pricing display template with restriction mode support
- Improved JavaScript to handle restricted mode package selection
- Updated frontend to show "Choose a package size below" notice in restricted mode
### Technical
- Added `validate_package_quantity()` method in WC_TPP_Cart class
- Added `maybe_hide_quantity_input()` method in WC_TPP_Frontend class
- Extended `woocommerce_add_to_cart_validation` filter hook
- Added `wc-tpp-restricted-mode` CSS class for styling
- New product meta: `_wc_tpp_restrict_to_packages`
- New global option: `wc_tpp_restrict_package_quantities`
### Translations
- Added 7 new translatable strings
- Updated all translations (en_US, de_DE, de_CH_informal)
- Compiled all .mo files with new strings
## [1.0.2] - 2025-12-21
### Changed
- Migrated settings to WooCommerce Settings page as dedicated tab
- Settings now appear under WooCommerce > Settings > Tier & Package Prices
- Improved integration with WooCommerce native settings API
### Added
- WC_TPP_Settings class extending WC_Settings_Page
- Better integration with WooCommerce settings system
- Consistent UI with other WooCommerce settings tabs
### Removed
- Standalone settings submenu (WooCommerce > Tier & Package Prices)
- Custom settings template (templates/admin/settings-page.twig)
### Technical
- Implemented WooCommerce settings filter hook (woocommerce_get_settings_pages)
- Uses WC_Admin_Settings for rendering and saving
- Automatic settings persistence via WooCommerce API
## [1.0.1] - 2025-12-21
### Added
- Twig template engine integration for all templates
- Template loader class with WordPress integration
- German (Switzerland, Informal) translation (de_CH_informal)
- Composer dependency management
- Comprehensive translation support in Twig templates
- Template caching support (disabled in debug mode)
### Changed
- Migrated all PHP templates to Twig format (.twig)
- Improved template organization and separation of concerns
- Enhanced security with automatic HTML escaping in templates
- Updated composer.json with complete package metadata
### Removed
- Old PHP template files (replaced with Twig)
### Technical
- Added Twig v3.22.2 dependency
- Created WC_TPP_Template_Loader class for centralized template rendering
- Integrated WordPress functions (__(), _e(), esc_*, wc_price()) into Twig
- Added Swiss German localization with informal address form
- Organized templates into admin/ and frontend/ directories
## [1.0.0] - 2025-12-21
### Added
- Initial release
- Tier pricing functionality (quantity-based discounts)
- Package pricing functionality (fixed-price bundles)
- Admin settings page for plugin configuration
- Product meta boxes for configuring tier and package prices
- Frontend pricing tables display
- Cart integration for automatic price calculation
- WooCommerce HPOS compatibility
- Multilingual support with text domain
- German (Germany) translation (de_DE)
- English (US) translation (en_US)
### Features
- Volume discounts based on quantity thresholds
- Fixed-price packages with custom labels
- Configurable display positions (before/after cart button, after price)
- Real-time price updates in cart
- Responsive pricing tables
- Admin-friendly interface for price management
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