/**
* Decreases an affiliate's total paid earnings by the specified amount
*
* @since 1.0
* @return float|bool
*/
function affwp_decrease_affiliate_earnings($affiliate_id = 0, $amount = '')
{
if (empty($affiliate_id)) {
return false;
}
if (empty($amount) || floatval($amount) <= 0) {
return false;
}
$earnings = affwp_get_affiliate_earnings($affiliate_id);
$earnings -= $amount;
$earnings = round($earnings, affwp_get_decimal_count());
if ($earnings < 0) {
$earnings = 0;
}
if (affiliate_wp()->affiliates->update($affiliate_id, array('earnings' => $earnings), '', 'affiliate')) {
$alltime = get_option('affwp_alltime_earnings');
$alltime -= $amount;
if ($alltime < 0) {
$alltime = 0;
}
update_option('affwp_alltime_earnings', $alltime);
return $earnings;
} else {
return false;
}
}
/**
* Returns a nicely formatted amount.
*
* @since 1.0
*
* @param string $amount Price amount to format
* @param string $decimals Whether or not to use decimals. Useful when set to false for non-currency numbers.
*
* @return string $amount Newly formatted amount or Price Not Available
*/
function affwp_format_amount($amount, $decimals = true)
{
global $affwp_options;
$thousands_sep = affiliate_wp()->settings->get('thousands_separator', ',');
$decimal_sep = affiliate_wp()->settings->get('decimal_separator', '.');
// Format the amount
if ($decimal_sep == ',' && false !== ($found = strpos($amount, $decimal_sep))) {
$whole = substr($amount, 0, $sep_found);
$part = substr($amount, $sep_found + 1, strlen($amount) - 1);
$amount = $whole . '.' . $part;
}
// Strip , from the amount (if set as the thousands separator)
if ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
$amount = str_replace(',', '', $amount);
}
if (empty($amount)) {
$amount = 0;
}
if ($decimals) {
$decimals = apply_filters('affwp_format_amount_decimals', affwp_get_decimal_count(), $amount);
} else {
$decimals = 0;
}
$formatted = number_format($amount, $decimals, $decimal_sep, $thousands_sep);
return apply_filters('affwp_format_amount', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep);
}
/**
* Calculate the referral amount
*
* @param string $amount
* @param int $affiliate_id
* @param int $reference
* @param string $rate
* @param int $product_id
* @return float
*/
function affwp_calc_referral_amount($amount = '', $affiliate_id = 0, $reference = 0, $rate = '', $product_id = 0)
{
$rate = affwp_get_affiliate_rate($affiliate_id, false, $rate, $reference);
$type = affwp_get_affiliate_rate_type($affiliate_id);
$decimals = affwp_get_decimal_count();
$referral_amount = 'percentage' === $type ? round($amount * $rate, $decimals) : $rate;
if ($referral_amount < 0) {
$referral_amount = 0;
}
return (string) apply_filters('affwp_calc_referral_amount', $referral_amount, $affiliate_id, $amount, $reference, $product_id);
}
