/**
* @todo - Should probably refactor this at some point - very procedural,
* WAY too many foreach loops for my liking :) But it does the trick
*
* @param <type> $term_id
*/
function save_term_prices($term_id)
{
// First - Saves options from input
if (isset($_POST['variation_price']) || isset($_POST["apply_to_current"])) {
$term_prices = get_option('term_prices');
$term_prices[$term_id]["price"] = $_POST["variation_price"];
$term_prices[$term_id]["checked"] = isset($_POST["apply_to_current"]) ? "checked" : "unchecked";
update_option('term_prices', $term_prices);
}
// Second - If box was checked, let's then check whether or not it was flat, differential, or percentile, then let's apply the pricing to every product appropriately
if (isset($_POST["apply_to_current"])) {
//Check for flat, percentile or differential
$var_price_type = '';
if (flat_price($_POST["variation_price"])) {
$var_price_type = 'flat';
} elseif (differential_price($_POST["variation_price"])) {
$var_price_type = 'differential';
} elseif (percentile_price($_POST["variation_price"])) {
$var_price_type = 'percentile';
}
//Now, find all products with this term_id, update their pricing structure (terms returned include only parents at this point, we'll grab relevent children soon)
$products_to_mod = get_objects_in_term($term_id, "wpsc-variation");
$product_parents = array();
foreach ((array) $products_to_mod as $get_parent) {
$post = get_post($get_parent);
if (!$post->post_parent) {
$product_parents[] = $post->ID;
}
}
//Now that we have all parent IDs with this term, we can get the children (only the ones that are also in $products_to_mod, we don't want to apply pricing to ALL kids)
foreach ($product_parents as $parent) {
$args = array('post_parent' => $parent, 'post_type' => 'wpsc-product');
$children = get_children($args, ARRAY_A);
foreach ($children as $childrens) {
$parent = $childrens["post_parent"];
$children_ids[$parent][] = $childrens["ID"];
$children_ids[$parent] = array_intersect($children_ids[$parent], $products_to_mod);
}
}
//Got the right kids, let's grab their parent pricing and modify their pricing based on var_price_type
foreach ((array) $children_ids as $parents => $kids) {
$kids = array_values($kids);
foreach ($kids as $kiddos) {
$price = wpsc_determine_variation_price($kiddos);
update_product_meta($kiddos, 'price', $price);
}
}
}
}
/**
* Determine the price of a variation product based on the variation it's assigned
* to. Because each variation term can have its own price (eg. 10, +10, -5%), this
* function also takes those into account.
*
* @since 3.8.6
* @param int $variation_id ID of the variation product
* @param string $terms Optional. Defaults to false. Variation terms assigned to
* the variation product. Pass this argument to save one SQL query.
* @return float Calculated price of the variation
*/
function wpsc_determine_variation_price($variation_id, $term_ids = false)
{
$flat = array();
$diff = 0;
$variation = get_post($variation_id);
$price = (double) get_product_meta($variation->post_parent, 'price', true);
if (!$term_ids) {
$term_ids = wp_get_object_terms($variation_id, 'wpsc-variation', array('fields' => 'ids'));
}
$term_price_arr = get_option('term_prices');
foreach ($term_ids as $term_id) {
if (isset($term_price_arr[$term_id])) {
$term_price = trim($term_price_arr[$term_id]['price']);
} else {
continue;
}
if (flat_price($term_price)) {
$flat[] = $term_price;
} elseif (differential_price($term_price)) {
$diff += (double) $term_price;
} elseif (percentile_price($term_price)) {
$diff += (double) $term_price / 100 * $price;
}
}
// Variation price should at least be the maximum of all flat prices
if (!empty($flat)) {
$price = max($flat);
}
$price += $diff;
return $price;
}
/**
* term_id_price function
* Retreives associated price, if any, with term_id
* @param integer term ID
* @param integer parent product price
* @return integer modified price for child product, based on term ID price and parent price
*/
function term_id_price($term_id, $parent_price)
{
$term_price_arr = get_option('term_prices');
if (isset($term_price_arr[$term_id])) {
$price = $term_price_arr[$term_id]["price"];
} else {
$price = 0;
}
//Check for flat, percentile or differential
$var_price_type = '';
if (flat_price($price)) {
$var_price_type = 'flat';
$price = floatval($price);
} elseif (differential_price($price)) {
$var_price_type = 'differential';
} elseif (percentile_price($price)) {
$var_price_type = 'percentile';
}
if (strchr($price, '-')) {
$negative = true;
} else {
$positive = true;
}
if ($positive) {
if ($var_price_type == 'differential') {
$differential = floatval($price);
$price = $parent_price + $differential;
} elseif ($var_price_type == 'percentile') {
$percentage = floatval($price) / 100;
$price = $parent_price + $parent_price * $percentage;
}
} else {
if ($var_price_type == 'differential') {
$differential = floatval($price);
$price = $parent_price - $differential;
} elseif ($var_price_type == 'percentile') {
$percentage = floatval($price) / 100;
$price = $parent_price - $parent_price * $percentage;
}
}
return $price;
}