commerce_discount_extra.rules.inc in Commerce Discount Extra 7
Provides Rules module support for extra discounts.
File
commerce_discount_extra.rules.incView source
<?php
/**
* @file
* Provides Rules module support for extra discounts.
*/
/**
* Implements hook_rules_condition_info_alter().
*/
function commerce_discount_extra_rules_condition_info() {
$inline_conditions = inline_conditions_get_info();
// Line item: user has role.
$conditions['commerce_discount_extra_line_item_user_has_role'] = array(
'label' => t('User has role'),
'parameter' => array(
'entity' => array(
'type' => 'entity',
'label' => t('Entity'),
'wrapped' => TRUE,
),
'roles' => array(
'type' => 'list<text>',
'label' => t('Roles'),
),
),
'group' => t('Commerce discounts extra'),
);
// Order: user has role.
$conditions['commerce_discount_extra_order_user_has_role'] = array(
'label' => t('User has role'),
'parameter' => array(
'entity' => array(
'type' => 'entity',
'label' => t('Entity'),
'wrapped' => TRUE,
),
'roles' => array(
'type' => 'list<text>',
'label' => t('Roles'),
),
),
'group' => t('Commerce discounts extra'),
);
// Line item: line item price comparison.
$conditions['commerce_discount_extra_line_item_price_comp'] = array(
'label' => t('Line item price comparison'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
'wrapped' => TRUE,
),
'price' => array(
'type' => 'commerce_price',
'label' => t('Price'),
'description' => t('User-defined price for comparison against product'),
),
'operator' => array(
'type' => 'text',
'label' => t('Operator'),
'default value' => '>=',
'options list' => '_commerce_discount_operator_options',
),
'method' => array(
'type' => 'text',
'label' => t('Method'),
'default value' => 'base',
'options list' => '_commerce_discount_extra_comp_method_options',
),
),
'group' => t('Commerce discounts extra'),
);
// Line item: total items in order.
$conditions['commerce_discount_extra_line_item_items_in_order'] = array(
'label' => t('Total items in order'),
'parameter' => array(
'entity' => array(
'type' => 'entity',
'label' => t('Entity'),
'wrapped' => TRUE,
),
'number' => array(
'type' => 'integer',
'label' => t('Number of items in order'),
),
'operator' => array(
'type' => 'text',
'label' => t('Operator'),
'default value' => '>=',
'options list' => '_commerce_discount_operator_options',
),
),
'group' => t('Commerce discounts extra'),
);
// Line item: order has quantity product.
$conditions['commerce_discount_extra_line_item_has_specific_quantity_products'] = array(
'label' => t('Order has specific products'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
'wrapped' => TRUE,
),
'products' => array(
'type' => 'text',
'label' => t('Product SKU(s)'),
'description' => t('Products SKU to look for on the order. Enter a comma-separated list of product SKU(s).'),
),
'operator' => array(
'type' => 'text',
'label' => t('Operator'),
'description' => t('The operator used with the product quantity value below.'),
'default value' => '>=',
'options list' => '_commerce_discount_operator_options',
),
'quantity' => array(
'type' => 'integer',
'label' => t('Quantity'),
'description' => t('Quantity value to be compared against each selected product(s).'),
),
),
);
// Order: total items in order.
$conditions['commerce_discount_extra_order_items_in_order'] = array(
'label' => t('Total items in order'),
'parameter' => array(
'entity' => array(
'type' => 'entity',
'label' => t('Entity'),
'wrapped' => TRUE,
),
'number' => array(
'type' => 'integer',
'label' => t('Number of items in order'),
),
'operator' => array(
'type' => 'text',
'label' => t('Operator'),
'default value' => '>=',
'options list' => '_commerce_discount_operator_options',
),
),
'group' => t('Commerce discounts extra'),
);
$conditions['commerce_discount_extra_line_item_compare_order_amount'] = array(
'label' => t('Order amount comparison'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
'description' => t('The line item.'),
'wrapped' => TRUE,
),
'operator' => array(
'type' => 'text',
'label' => t('Operator'),
'description' => t('The operator used with the order amount value below.'),
'default value' => '>=',
'options list' => '_commerce_discount_operator_options',
),
'total' => array(
'type' => 'commerce_price',
'label' => t('Order amount'),
'default value' => '',
'description' => t("The value to compare against the passed line item's order amount."),
),
'line_item_types' => array(
'type' => 'list<text>',
'label' => t('Line item types'),
'description' => t('Select the line item types that should be included in the order total amount. Discount created line items are always excluded.'),
'default value' => commerce_order_compare_order_amount_options_default(),
'options list' => 'commerce_order_compare_order_amount_options_list',
'optional' => TRUE,
),
),
'group' => t('Commerce discounts extra'),
);
$conditions['commerce_discount_extra_line_item_has_product_type'] = array(
'label' => t('Product types'),
'parameter' => array(
'commerce_line_item' => array(
'type' => 'commerce_line_item',
'label' => t('Line item'),
'wrapped' => TRUE,
),
'product_types' => array(
'type' => 'list<text>',
'label' => t('Product types'),
'options list' => 'commerce_product_type_options_list',
'multiple' => TRUE,
),
),
);
foreach ($conditions as $name => $condition) {
$conditions[$name]['callbacks'] = array(
'execute' => $inline_conditions[$name]['callbacks']['build'],
);
}
return $conditions;
}
/**
* Implements hook_rules_action_info().
*/
function commerce_discount_extra_rules_action_info() {
$actions['commerce_discount_extra_per_quantity_discount'] = array(
'label' => t('Discount a certain number of products in an order'),
'group' => t('Commerce discounts extra'),
'parameter' => array(
'commerce_order' => array(
'label' => t('Order'),
'type' => 'commerce_order',
'wrapped' => TRUE,
),
'commerce_discount' => array(
'label' => t('Commerce Discount'),
'type' => 'token',
'options list' => 'commerce_discount_entity_list',
),
),
);
$actions['commerce_discount_extra_fixed_product_price'] = array(
'label' => t('Discount a product to a specified price'),
'group' => t('Commerce discounts extra'),
'parameter' => array(
'entity' => array(
'label' => t('Entity'),
'type' => 'entity',
'wrapped' => TRUE,
),
'commerce_discount' => array(
'label' => t('Commerce Discount'),
'type' => 'token',
'options list' => 'commerce_discount_entity_list',
),
),
);
$actions['commerce_discount_extra_per_quantity_category_discount'] = array(
'label' => t('Discount a certain number of products based on their catalog categories'),
'group' => t('Commerce discounts extra'),
'parameter' => array(
'commerce_order' => array(
'label' => t('Order'),
'type' => 'commerce_order',
'wrapped' => TRUE,
),
'commerce_discount' => array(
'label' => t('Commerce Discount'),
'type' => 'token',
'options list' => 'commerce_discount_entity_list',
),
),
);
return $actions;
}
/**
* Rules action callback: apply a per quantity discount to an order.
*/
function commerce_discount_extra_per_quantity_discount(EntityDrupalWrapper $order_wrapper, $discount_name) {
$discount_wrapper = entity_metadata_wrapper('commerce_discount', $discount_name);
$order = $order_wrapper
->value();
// Exit now if the discount was not configured to apply to any products.
if (!$discount_wrapper->commerce_discount_offer->commerce_discount_products
->value()) {
return;
}
$offer_wrapper = $discount_wrapper->commerce_discount_offer;
$offer_type = $offer_wrapper->type
->value();
// Trigger product variables.
$trigger_qty = $offer_wrapper->commerce_trigger_qty
->value();
$trigger_product_ids = $offer_wrapper->commerce_trigger_products
->raw();
// Discount product variables.
$offer_product_ids = $offer_wrapper->commerce_discount_products
->raw();
$offer_qty_per_trigger = $offer_wrapper->commerce_offer_qty
->value();
// Determine the proper direction to use for sorting items. Offer direction
// means the order in which eligible offer items are picked for discount.
// Trigger direction means the order in which eligible offer-trigger items
// ("x" in Buy x get y) are processed and thus marked as ineligible for
// offers.
switch ($offer_wrapper->commerce_pricing_strategy
->value()) {
case NULL:
case 'high_first':
$offer_direction = 'descending';
$trigger_direction = 'ascending';
break;
case 'low_first':
$offer_direction = 'ascending';
$trigger_direction = 'descending';
}
// Find the maximum number of times a discount can fire based on the
// user-defined offer limit settings.
$limit = $offer_wrapper->commerce_offer_limit
->value() * $offer_qty_per_trigger;
// Create a manifest of products at each quantity position.
foreach ($order_wrapper->commerce_line_items as $line_item_wrapper) {
$type = $line_item_wrapper->type
->value();
// Do not count free product line items.
if ($line_item_wrapper
->value() && in_array($type, commerce_product_line_item_types()) && $type != 'product_discount') {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
if (empty($trigger_product_ids) || in_array($product_id, $trigger_product_ids) || in_array($product_id, $offer_product_ids)) {
$pos = 0;
while ($pos < $line_item_wrapper->quantity
->value()) {
// Only count trigger and offer products. Some will happen to be both.
// If the trigger product IDs array is empty, then the discount should
// apply to any quantity of purchased products.
if (empty($trigger_product_ids) || in_array($product_id, $trigger_product_ids) || in_array($product_id, $offer_product_ids)) {
$manifest[] = $line_item_wrapper;
$pos++;
}
}
}
}
}
// Allow other modules to alter the manifest prior to processing.
drupal_alter('commerce_discount_per_quantity_manifest', $manifest);
// Counter for discount amount.
$amount = 0;
// Track which line items play into the discount amount.
$discounted_line_item_ids = array();
// Track the original amounts of discounted line items.
$discounted_line_item_amounts = array();
// Counter for number of times the discount has fired.
$n = 0;
// Each loop takes care of one phase of "buy x get y". The loop repeats
// until all of the offer/trigger products have been counted.
while (!empty($manifest)) {
// Counter for trigger products per phase.
$t = 0;
// Counter for offer products per phase.
$o = 0;
// First try to find a trigger product that is not an offer product, either
// from the array of trigger product IDs or, if that is empty, any non-
// offer product.
foreach ($manifest as $i => $line_item_wrapper) {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
if ($t < $trigger_qty && (empty($trigger_product_ids) || in_array($product_id, $trigger_product_ids)) && !in_array($product_id, $offer_product_ids)) {
$t++;
unset($manifest[$i]);
}
}
// If there are still not enough trigger products, look for any trigger
// product, going in the order specified by the offer config.
usort($manifest, 'commerce_discount_extra_sort_by_amount_' . $trigger_direction);
foreach ($manifest as $i => $line_item_wrapper) {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
if ($t < $trigger_qty && (empty($trigger_product_ids) || in_array($product_id, $trigger_product_ids))) {
$t++;
unset($manifest[$i]);
}
}
// If there are enough trigger products, look for some products to which we
// can apply the offer.
if ($t == $trigger_qty) {
// Sort eligible offer products so that discounts are applied in the
// correct order.
usort($manifest, 'commerce_discount_extra_sort_by_amount_' . $offer_direction);
foreach ($manifest as $i => $line_item_wrapper) {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
if ($o < $offer_qty_per_trigger && in_array($product_id, $offer_product_ids)) {
$o++;
unset($manifest[$i]);
// Apply offer.
if ($n < $limit || !$limit) {
// Include the current line item ID in the list of discounted line
// item IDs.
$line_item_id = $line_item_wrapper->line_item_id
->value();
if (!in_array($line_item_id, $discounted_line_item_ids)) {
$discounted_line_item_ids[] = $line_item_id;
}
// Seed an initial amount so we can track offers that might be
// applied to same line item multiple times.
if (!isset($discounted_line_item_amounts[$line_item_id])) {
$discounted_line_item_amounts[$line_item_id] = 0;
}
switch ($offer_type) {
case 'per_quantity_fixed':
$offer_amount = $offer_wrapper->commerce_fixed_amount->amount
->value();
$discounted_line_item_amounts[$line_item_id] += $offer_amount;
$amount += $offer_amount;
break;
case 'per_quantity_percentage':
$raw_price = $line_item_wrapper->commerce_unit_price->amount
->value();
$pct = $offer_wrapper->commerce_percentage
->value();
$offer_amount = $raw_price * $pct;
$discounted_line_item_amounts[$line_item_id] += $offer_amount;
$amount += $offer_amount;
break;
}
$n++;
}
}
}
}
else {
break;
}
}
if ($amount > 0) {
$delta = $order_wrapper->commerce_discounts
->count();
$order->commerce_discounts[LANGUAGE_NONE][$delta]['target_id'] = $discount_wrapper->discount_id
->value();
// Add a discount line item.
$discount_price = array(
'amount' => -$amount,
'currency_code' => $order_wrapper->commerce_order_total->currency_code
->value(),
);
module_load_include('inc', 'commerce_discount', 'commerce_discount.rules');
// Attempt to update the existing discount line item with the new price.
$discount_line_item = commerce_discount_set_existing_line_item_price($order_wrapper, $discount_name, $discount_price);
// If it didn't already exist on the order, add it now.
if (empty($discount_line_item)) {
$discount_line_item = commerce_discount_add_line_item($order_wrapper, $discount_name, $discount_price, array(
'discounted_line_item_ids' => $discounted_line_item_ids,
'discounted_line_item_amounts' => $discounted_line_item_amounts,
));
}
else {
// Otherwise, if it did exist, update the line item IDs and amounts arrays
// in its data array to the correct values.
$discount_line_item->data['discounted_line_item_ids'] = $discounted_line_item_ids;
$discount_line_item->data['discounted_line_item_amounts'] = $discounted_line_item_amounts;
commerce_line_item_save($discount_line_item);
}
// Allow other modules to react to the save of the discount line item.
$unmodified_line_item = serialize($discount_line_item);
module_invoke_all('commerce_discount_per_quantity_discount_line_item_save', $discount_line_item, $discount_name, $offer_type);
// Save the discount line item if it changed.
if (serialize($discount_line_item) !== $unmodified_line_item) {
commerce_line_item_save($discount_line_item);
}
}
else {
commerce_discount_delete_discount_line_item_by_name($order_wrapper, $discount_name);
}
// Update the total order price, for the next rules condition (if any).
commerce_order_calculate_total($order);
}
/**
* Rules action callback: apply a per quantity discount based on product
* categories to an order.
*/
function commerce_discount_extra_per_quantity_category_discount(EntityDrupalWrapper $order_wrapper, $discount_name) {
$discount_wrapper = entity_metadata_wrapper('commerce_discount', $discount_name);
$order = $order_wrapper
->value();
// Exit now if the discount was not configured to apply to any categories.
if (!$discount_wrapper->commerce_discount_offer->commerce_offer_categories
->value()) {
return;
}
$offer_wrapper = $discount_wrapper->commerce_discount_offer;
$offer_type = $offer_wrapper->type
->value();
// Trigger product / category variables.
$trigger_qty = $offer_wrapper->commerce_trigger_qty
->value();
$trigger_categories = explode(', ', $offer_wrapper->commerce_trigger_categories
->raw());
// Discount product / category variables.
$offer_categories = explode(', ', $offer_wrapper->commerce_offer_categories
->raw());
$offer_qty_per_trigger = $offer_wrapper->commerce_offer_qty
->value();
// Determine the proper direction to use for sorting items. Offer direction
// means the order in which eligible offer items are picked for discount.
// Trigger direction means the order in which eligible offer-trigger items
// ("x" in Buy x get y) are processed and thus marked as ineligible for
// offers.
switch ($offer_wrapper->commerce_pricing_strategy
->value()) {
case NULL:
case 'high_first':
$offer_direction = 'descending';
$trigger_direction = 'ascending';
break;
case 'low_first':
$offer_direction = 'ascending';
$trigger_direction = 'descending';
}
// Find the maximum number of times a discount can fire based on the
// user-defined offer limit settings.
$limit = $offer_wrapper->commerce_offer_limit
->value() * $offer_qty_per_trigger;
// Create a manifest of products in relevant categories at each quantity position.
foreach ($order_wrapper->commerce_line_items as $line_item_wrapper) {
$type = $line_item_wrapper->type
->value();
// Do not count free product line items.
if ($line_item_wrapper
->value() && in_array($type, commerce_product_line_item_types()) && $type != 'product_discount') {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
$product_categories = commerce_discount_extra_product_terms($product_id);
if (empty($trigger_categories) || array_intersect($trigger_categories, $product_categories) != array() || array_intersect($offer_categories, $product_categories) != array()) {
$pos = 0;
while ($pos < $line_item_wrapper->quantity
->value()) {
// Only count products in the trigger and offer product categories.
// Some will happen to be both. If the trigger category is empty, then
// the discount should apply to any quantity of purchased products in
// any category.
if (empty($trigger_categories) || array_intersect($trigger_categories, $product_categories) != array() || array_intersect($offer_categories, $product_categories) != array()) {
$manifest[] = $line_item_wrapper;
$pos++;
}
}
}
}
}
// Allow other modules to alter the manifest prior to processing.
drupal_alter('commerce_discount_per_quantity_category_manifest', $manifest);
// Counter for discount amount.
$amount = 0;
// Track which line items play into the discount amount.
$discounted_line_item_ids = array();
// Track the original amounts of discounted line items.
$discounted_line_item_amounts = array();
// Counter for number of times the discount has fired.
$n = 0;
// Each loop takes care of one phase of "buy x get y". The loop repeats
// until all of the offer/trigger products have been counted.
while (!empty($manifest)) {
// Counter for trigger products per phase.
$t = 0;
// Counter for offer products per phase.
$o = 0;
// First try to find a trigger product that is not an offer product, either
// from the the trigger product category or, if that is empty, any non-
// offer product.
foreach ($manifest as $i => $line_item_wrapper) {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
$product_categories = commerce_discount_extra_product_terms($product_id);
if ($t < $trigger_qty && (empty($trigger_categories) || array_intersect($trigger_categories, $product_categories) != array()) && array_intersect($offer_categories, $product_categories) == array()) {
$t++;
unset($manifest[$i]);
}
}
// If there are still not enough trigger products, look for any trigger
// product, going in the order specified by the offer config.
usort($manifest, 'commerce_discount_extra_sort_by_amount_' . $trigger_direction);
foreach ($manifest as $i => $line_item_wrapper) {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
$product_categories = commerce_discount_extra_product_terms($product_id);
if ($t < $trigger_qty && (empty($trigger_categories) || array_intersect($trigger_categories, $product_categories) != array())) {
$t++;
unset($manifest[$i]);
}
}
// If there are enough trigger products, look for some products to which we
// can apply the offer.
if ($t == $trigger_qty) {
// Sort eligible offer products so that discounts are applied in the
// correct order.
usort($manifest, 'commerce_discount_extra_sort_by_amount_' . $offer_direction);
foreach ($manifest as $i => $line_item_wrapper) {
$product_id = $line_item_wrapper->commerce_product->product_id
->value();
$product_categories = commerce_discount_extra_product_terms($product_id);
if ($o < $offer_qty_per_trigger && array_intersect($offer_categories, $product_categories) != array()) {
$o++;
unset($manifest[$i]);
// Apply offer.
if ($n < $limit || !$limit) {
// Include the current line item ID in the list of discounted line
// item IDs.
$line_item_id = $line_item_wrapper->line_item_id
->value();
if (!in_array($line_item_id, $discounted_line_item_ids)) {
$discounted_line_item_ids[] = $line_item_id;
}
// Seed an initial amount so we can track offers that might be
// applied to same line item multiple times.
if (!isset($discounted_line_item_amounts[$line_item_id])) {
$discounted_line_item_amounts[$line_item_id] = 0;
}
switch ($offer_type) {
case 'per_quantity_category_fixed':
$offer_amount = $offer_wrapper->commerce_fixed_amount->amount
->value();
$discounted_line_item_amounts[$line_item_id] += $offer_amount;
$amount += $offer_amount;
break;
case 'per_quantity_category_percentage':
$raw_price = $line_item_wrapper->commerce_unit_price->amount
->value();
$pct = $offer_wrapper->commerce_percentage
->value();
$offer_amount = $raw_price * $pct;
$discounted_line_item_amounts[$line_item_id] += $offer_amount;
$amount += $offer_amount;
break;
}
$n++;
}
}
}
}
else {
break;
}
}
if ($amount > 0) {
$delta = $order_wrapper->commerce_discounts
->count();
$order->commerce_discounts[LANGUAGE_NONE][$delta]['target_id'] = $discount_wrapper->discount_id
->value();
// Add a discount line item.
$discount_price = array(
'amount' => -$amount,
'currency_code' => $order_wrapper->commerce_order_total->currency_code
->value(),
);
module_load_include('inc', 'commerce_discount', 'commerce_discount.rules');
// Attempt to update the existing discount line item with the new price.
$discount_line_item = commerce_discount_set_existing_line_item_price($order_wrapper, $discount_name, $discount_price);
// If it didn't already exist on the order, add it now.
if (empty($discount_line_item)) {
$discount_line_item = commerce_discount_add_line_item($order_wrapper, $discount_name, $discount_price, array(
'discounted_line_item_ids' => $discounted_line_item_ids,
'discounted_line_item_amounts' => $discounted_line_item_amounts,
));
}
else {
// Otherwise, if it did exist, update the line item IDs and amounts arrays
// in its data array to the correct values.
$discount_line_item->data['discounted_line_item_ids'] = $discounted_line_item_ids;
$discount_line_item->data['discounted_line_item_amounts'] = $discounted_line_item_amounts;
commerce_line_item_save($discount_line_item);
}
// Allow other modules to react to the save of the discount line item.
$unmodified_line_item = serialize($discount_line_item);
module_invoke_all('commerce_discount_per_quantity_discount_line_item_save', $discount_line_item, $discount_name, $offer_type);
// Save the discount line item if it changed.
if (serialize($discount_line_item) !== $unmodified_line_item) {
commerce_line_item_save($discount_line_item);
}
}
else {
commerce_discount_delete_discount_line_item_by_name($order_wrapper, $discount_name);
}
}
/**
* Usort callback: sort line items by amount ascending.
*/
function commerce_discount_extra_sort_by_amount_ascending($a, $b) {
$a_amount = $a->commerce_unit_price->amount
->value();
$b_amount = $b->commerce_unit_price->amount
->value();
if ($a_amount == $b_amount) {
return 0;
}
return $a_amount < $b_amount ? -1 : 1;
}
/**
* Usort callback: sort line items by amount descending.
*/
function commerce_discount_extra_sort_by_amount_descending($a, $b) {
$a_amount = $a->commerce_unit_price->amount
->value();
$b_amount = $b->commerce_unit_price->amount
->value();
if ($a_amount == $b_amount) {
return 0;
}
return $a_amount > $b_amount ? -1 : 1;
}
/**
* Rules action callback: set product line item to specific amount.
*
* @param \EntityDrupalWrapper $wrapper
* The line item wrapper the fixed price discount would be applied to.
* @param string $discount_name
* The discount name.
*/
function commerce_discount_extra_fixed_product_price(EntityDrupalWrapper $wrapper, $discount_name) {
$discount_wrapper = entity_metadata_wrapper('commerce_discount', $discount_name);
$discount_price = $discount_wrapper->commerce_discount_offer->commerce_fixed_amount
->value();
// Check whether this discount was already added as a price component.
$price_data = $wrapper->commerce_unit_price->data
->value();
foreach ($price_data['components'] as $component) {
if (!empty($component['price']['data']['discount_name']) && $component['price']['data']['discount_name'] == $discount_wrapper
->getIdentifier()) {
return;
}
}
// Figure out proper discount amount to apply in order to set proper price.
$line_item_amount = $wrapper->commerce_unit_price->amount
->value();
// If the discount amount is more expensive than the line item's price, skip.
if ($line_item_amount < $discount_price['amount']) {
return;
}
module_load_include('inc', 'commerce_discount', 'commerce_discount.rules');
$discount_price['amount'] = -($line_item_amount - $discount_price['amount']);
commerce_discount_add_price_component($wrapper, $discount_name, $discount_price);
}Functions
Name |
Description |
|---|---|
| commerce_discount_extra_fixed_product_price | Rules action callback: set product line item to specific amount. |
| commerce_discount_extra_per_quantity_category_discount | Rules action callback: apply a per quantity discount based on product categories to an order. |
| commerce_discount_extra_per_quantity_discount | Rules action callback: apply a per quantity discount to an order. |
| commerce_discount_extra_rules_action_info | Implements hook_rules_action_info(). |
| commerce_discount_extra_rules_condition_info | Implements hook_rules_condition_info_alter(). |
| commerce_discount_extra_sort_by_amount_ascending | Usort callback: sort line items by amount ascending. |
| commerce_discount_extra_sort_by_amount_descending | Usort callback: sort line items by amount descending. |