WooCommerce Extended Coupon Features

Release Date - 2022-01-16 - FIX: Last update broke BOGO. (Thanks for informing us, Celian)

Release Date - 2021-11-19 * FIX: Remove autocoupon, better detection if it was removed manually * FIX: (PRO) Free products: Better variation attributes support

Release Date - 2021-02-13 * FIX: User restrictions on backend orders

Release Data - 2021-01-16 * (PRO) FIX: Don't display free product selection when there are no items to choose from * FEATURE: 'Table Rate Shipping' by WooCommerce compatibility

Release Date - 2020-08-18 * (PRO) FEATURE: Filter 'wjecf_free_products_to_apply_for_coupon' * (PRO) FEATURE: Filter 'wjecf_bogo_products_to_apply_for_coupon'

Release Date - 2020-03-28 * (PRO) FEATURE: Restrict coupon by shipping zone

Release Date - 2019-09-18 * (PRO) FEATURE: Filter wjecf_is_first_purchase

Release Date - 2019-05-21 * TWEAK: Remove domainname from redirect url after using ?apply_coupon= * (PRO) FIX: Free products: Don't apply a product that is not purchasable * (PRO) TWEAK: Call WC core add_to_cart instead of custom add_to_cart-function * (PRO) TWEAK: Free product selection: Show variation attributes in product title

Release Date - 2018-11-10 * (FREE) FIX: 'Auto coupons'-settings not visible in FREE version * (PRO) FIX: Limit discount to: in combination with WC < 3.2 * (PRO) FIX: Added quantity to 'woocommerce_add_cart_item_data'-filter (Fixes crash WooCommerce Product Addons)

Release Date - ????-??-?? * FIX: Limit discount to: in combination with WC < 3.2

Release Date - 2018-10-12 * FIX: Auto coupons: silently remove invalid coupons * FIX: WPML compatibility issue with "CATEGORIES AND" * (PRO) FIX: CSS of the column system (box-sizing: border-box)

Release Date - 2018-10-12 * FIX: Auto coupons: silently remove invalid coupons * FIX: WPML compatibility issue with "CATEGORIES AND" * (PRO) FIX: CSS of the column system (box-sizing: border-box)

Release Date - 2018-09-03 * FIX: Email restrictions compatibility with WooCommerce versions prior to 3.4 * FIX: Individual use conflict * FIX: (FREE) Missing debug template

Release Date - 2018-09-02 * FIX: Fatal error in FREE version of the plugin * FIX: Require PHP5.4

Release Date - 2018-09-02 * IMPORTANT: Requires WooCommerce 3.0+ WordPress 4.8+ and PHP 5.3+ * FEATURE: Filter 'wjecf_apply_with_other_coupons' to disallow certain coupon combinations * FEATURE: Update order review on payment/billing email change on checkout page (see settings page) * FIX: Auto-coupon check usase limits per user and respect email restriction wildcards * FIX: Auto-coupon in combination with individual_use respects exception filters * FIX: Coupon queueing: Case sensitive coupon code compare issue * FIX/PERFORMANCE: Rewritten handling of auto-coupons. Performance improvement * (PRO) ENHANCEMENT: Free products: Better handling and performance of cart ajax events * (PRO) FIX: Duplicate notices when enqueuing a coupon * INTERNAL: Removed code for backwards compatibility with WC versions prior to 3.0 * INTERNAL: Rewritten boot-process. Class auto-loading. Code cleanup.

Release Date - 2018-08-16 * FIX: Download JSON compatiblilty issue with WC 2.6.x * FIX: WPML Translate coupon title

Release Date - 2018-06-04 * FIX: WJECF_Controller: Don't use wp_get_current_user() for admin-orders * FIX: WJECF_Controller: Don't use WC()->cart->subtotal for admin-orders * FIX: Possible division by zero when calculating multiplier value * FEATURE: Filter 'wjecf_coupon_multiplier_value' to allow overriding the coupon's multiplier value

• FEATURE: Auto-coupon compatibility with the 'WooCommerce Free Gift Coupons'-plugin
• FIX: CATEGORIES AND in combination with variable products
• FIX: Call to undefined function wc_add_notice()
• FIX: (PRO) First order purchase: Ignore cancelled/waiting for payment order statuses
• FIX: (PRO) Auto updater plugins_api return $def instead of false

Release Date - 2017-12-24 * FIX: (PRO) Possible crash on null reference in filter woocommerce_coupon_get_discount_amount

Release Date - 2017-12-04 * FIX: Typo 'impode' (Thanks to Constantine for reporting)

Release Date - 2017-12-02 * ADMIN: Compatibility with coupons added on the Order page from wp-admin (requires WC3.3+) * ADMIN: Show 'settings' link on the plugin screen * INTERNAL: Moved debugging functions to WJECF_Debug. Use template/log.php for output rendering of the log * (PRO) FEATURE: Limit coupon to first time purchase only * (PRO) ENHANCEMENT: Free products: Better grid layout of the free product selector * (PRO) ENHANCEMENT: Free products: Auto submit of selection (works for inputs in container with class 'wjecf-auto-submit') * (PRO) FIX: Free products: Respect "sold individually" when adding free products to the cart * (PRO) FIX: Free products: WC2.6 compatibility (product->get_status())

• TWEAK: Get coupon description using WC_Coupon::get_description() to respect applicable filters (for example used by Polylang)
• (PRO) FEATURE: Allow customer to remove 'Auto Coupons' from the cart (see settings page)
• (PRO) FEATURE: Filter 'wjecf_get_limit_to_options' to allow adding custom 'Limit to'-options
• (PRO) PERFORMANCE: Free products: Only load js and css when required
• (PRO) FIX: Free products: "update cart"-button not automatically enabled after selecting a free product (in combination with certain themes (e.g. Flatsome)
• (PRO) FIX: Free products: Prevent certain plugins from parsing attribute fields containing [products] as shortcode
• (PRO) FIX: Limit discount to cheapest item failed in WC3.0 in combination with a percent discount
• (PRO) FIX: Custom fields: Accept WC3.0 core fields (e.g. _price)
• (PRO) FIX: PHP Warnings in WJECF_Pro_Admin_Auto_Update

• (PRO) FEATURE: Free product selection using checkboxes / numeric inputs
• (PRO) FIX: Free product selection fails if coupon code contains a space
• FIX: Draft settings not being saved
• FIX: PHP < 5.5 compatibility
• FIX: Abstract_WJECF_Plugin log function
• INTERNAL: Functions add_action_once / add_filter_once. To guarantee execution only once.
• INTERNAL: Updated the API example; also usable from CLI
• INTERNAL: Created Sanitizer for form data handling
• INTERNAL: Reorganised coupon meta handling ( Abstract_WJECF_Plugin::admin_coupon_meta_fields )

• FIX: Customer selector WooCommerce 3.0.0 compatibility

• FIX: WooCommerce < 2.7 compatibility

• FIX: Invalid calculation of subtotal/quantity of matching product since WC 3.0.0
• FIX: Missing "PRODUCT AND/OR" selector on Admin since WC 3.0.0 (Javascript)
• FIX: WooCommerce version detection if woocommerce is not installed in /wp-content/plugins/woocommerce directory

• FIX: WooCommerce 3.0.0 Compatibility
• INTERNAL: Also load textdomain from WP_LANG_DIR/woocommerce-jos-autocoupon/woocommerce-jos-autocoupon-LOCALE.mo

• FIX: Combining add-to-cart and apply_coupon in a single querystring

• PERFORMANCE: Admin could hang in some occasions on a jQuery-selector
• FIX: Suppresed warnings were displayed by the Query Monitor plugin if pro files are missing
• FIX: WPML Compatibility
• FIX: Invalid textdomain in woocommerce_coupon_error (Thanks, 7o599)
• (PRO) FIX: 'Limit discount to' skipped non-matching products on cart % discount
• (PRO) FEATURE: Limit discount to every nth (matching) item in the cart

• FIX: Compatibility with WooCommerce < 2.3.0 for coupon by url
• COSMETIC: On the admin page, moved AND/OR selector near the product/categories input
• (PRO) Filter matching products by custom field.

• FIX: WooCommerce 2.6 and UPS / USPS Shipping method compatibility ( those plugins use : as separator )
• FIX: Coupon by url (hook on wp_loaded instead of init)
• FIX: Admin pages invalid parsing of Chosen inputboxes WooCommerce < 2.3.0
• FIX: Free product on WooCommerce < 2.3.0
• INTERNAL: Rewritten overwrite_success_message methods
• (PRO) Ajax 'Apply coupon' support for free product selection on cart and checkout page. (OVERRIDEABLE TEMPLATE FILES UPDATED!)
• (PRO) FEATURE: Remember coupons that are not valid when applying (on the cart page) and apply them automatically when they validate

• FIX: limit_usage_to_x_items: Removed call to get_discount_amount from coupon_has_a_value; it is redundant and caused limit_usage_to_x_items to change
• (PRO) FEATURE: Filters wjecf_free_product_amount_for_coupon, wjecf_bogo_product_amount_for_coupon and wjecf_set_free_product_amount_in_cart
• (PRO) FEATURE: Keep track of by-url-coupons (?apply_coupon=) and apply when they validate
• (PRO) FIX: Experimental feature 'Allow discount on cart with excluded items' didn't work since 2.2.3
• (PRO) FIX: Invalid free product quantity applied when using both BOGO and FREE products in a single coupon.
• (PRO) FIX: limit_usage_to_x_items: Possible wrong discount on combination of limit_usage_to_x_items and wjecf_apply_discountto

• FEATURE: Display custom error message when coupon is invalidated by this plugin
• FIX: apply_coupon redirected to wrong url when home_url contained a subdirectory
• FIX: Remove add-to-cart when redirecting for apply_coupon
• FIX: Auto Coupon Backwards compatability for WooCommerce versions prior to 2.3.0 that don't have hook woocommerce_after_calculate_totals
• TRANSLATION: Persian. Thanks to Ehsan Shahnazi.

• FIX: WPML Compatibility for AND Products / AND Categories
• FIX: Redirect to page without ?apply_coupon

• (PRO) FEATURE: Allow customer to choose a free product
• (PRO) FEATURE: Setting the priority of auto coupons (Useful for Individual use coupons)
• (PRO) FEATURE: Display extra columns on the Coupon Admin page (auto coupon, individual use, priority, free products)
• (PRO) TWEAK: Free products: Display 'Free!' as subtotal for free products, (adaptable with filter 'wjecf_free_cart_item_subtotal' )
• (PRO) FIX: Free products: Plugin wouldn't always detect the free products in cart and kept appending free products
• (PRO) Introduction of the API for developers, see wjecf-pro-api.php
• FEATURE: Filter to only display Auto Coupons on the Coupon Admin page
• FIX: Compatibilty PHP 5.4
• FIX: Rewritten and simplified Autocoupon removal/addition routine making it more robust
• FIX: Multiplier value calculation (as for now only used for Free Products)
• FIX: Coupon must never be valid for free products (wjecf_free_product_coupon set in cartitem)
• INTERNAL: Refactoring of all classes
• INTERNAL: New log for debugging

• FIX: When checkbox 'Individual use' was ticked, Autocoupons would be removed/added multiple times

• FEATURE: BOGO On all matching products
• FIX: Changed WooCommerce detection method for better Multi Site support
• FIX: Free products: Fixed an inconsistency that could cause a loop on removal/adding of free variant products
• TWEAK: Free products: Hooking before_calculate_totals for most cases but also on woocommerce_applied_coupon, which is required when one coupon is replaced by another
• INTERNAL: Check if classes already exist before creating them

• FEATURE: Online documentation added
• FEATURE: Use AND-operator for the selected categories (default is OR)
• FIX: Backwards compatibility with WooCommerce 2.3.7 (WC_Cart::is_empty)
• FIX: Backwards compatibility with WooCommerce < 2.3.0 (WC_Coupon::is_type, Chosen in stead of Select2)

• (PRO) FEATURE: Allow discount on cart with excluded items
• (PRO) FEATURE: Free products!
• FEATURE: Allow coupon in cart even if minimum spend not reached
• FEATURE: New coupon feature: Minimum / maximum price subtotal of matching products in the cart
• COSMETIC: Admin Extended coupon features in multiple tabs
• FIX: Create session cookie if no session was initialized when applying coupon by url
• TWEAK: Auto coupon: Use woocommerce_after_calculate_totals hook for update_matched_autocoupons
• API: New function: $wjecf_extended_coupon_features->get_quantity_of_matching_products( $coupon )
• API: New function: $wjecf_extended_coupon_features->get_subtotal_of_matching_products( $coupon )

• FIX: Prevent mulitple apply_coupon calls (for example through ajax)
• FIX: Don't redirect to cart when using WooCommerce's ?add-to-cart=xxx in combination with ?apply_coupon=xxx as this would prevent the application of the coupon.

• RENAME: Renamed plugin from "WooCommerce auto added coupons" to "WooCommerce Extended Coupon Features"
• FEATURE: Restrict coupons by payment method
• FEATURE: Restrict coupons by shipping method
  
• FEATURE: Use AND-operator for the selected products (default is OR)
• FIX: Validate email restrictions for auto coupons
• Norwegian translation added (Thanks to Anders Zorensen)

• FIX: Cart total discount amount showing wrong discount value in newer WooCommerce versions (tax)
• Performance: get_all_auto_coupons select only where meta woocommerce_jos_autocoupon

• Translation support through .mo / .po files
• Included translations: Dutch, German, Spanish

• FIX: Apply auto coupon if discount is 0.00 and free shipping is ticked

• Don't apply coupon if the discount is 0.00
• Allow applying multiple coupons via an url using *?apply_coupon=coupon_code1,coupon_code2

• Minor change to make the plugin compatible with WooCommerce 2.3.1
• Loop through coupons in ascending order

• Tested with Wordpress 4.0

• Allow applying coupon via an url using ?apply_coupon=coupon_code

• Don't add the coupon if Individual use only is checked and another coupon is already applied.

• First version ever!