function mycred_update_users_transfer_history($user_id, $history, $type = 'mycred_default', $key = NULL)
{
if ($key === NULL) {
$key = 'mycred_transactions';
}
if ($type != 'mycred_default' && $type != '') {
$key .= '_' . $type;
}
// Get current history
$current = mycred_get_users_transfer_history($user_id, $type, $key);
// Reset
if ($history === true) {
$new_history = array('frame' => '', 'amount' => 0);
} else {
$new_history = mycred_apply_defaults($current, $history);
}
mycred_update_user_meta($user_id, $key, '', $new_history);
}
/**
* AJAX Transfer Creds
* @since 0.1
* @version 1.4
*/
public function ajax_call_transfer()
{
// Security
if (!check_ajax_referer('mycred-transfer-creds', 'token', false)) {
die(json_encode('error_1'));
}
parse_str($_POST['form'], $post);
unset($_POST);
// Required
if (!isset($post['mycred-transfer-to']) || !isset($post['mycred-transfer-amount'])) {
die(json_encode($post));
}
// Prep
$to = $post['mycred-transfer-to'];
if (!isset($post['mycred-sender'])) {
$from = get_current_user_id();
} else {
$from = absint($post['mycred-sender']);
$from_user = get_userdata($from);
if ($from_user === false) {
die(-1);
}
}
$ref = 'transfer';
if (isset($post['mycred-transfer-ref'])) {
$ref = sanitize_key($post['mycred-transfer-ref']);
}
$amount = abs($post['mycred-transfer-amount']);
// Type
$mycred_types = mycred_get_types();
$type = '';
if (isset($post['mycred-transfer-type']) && array_key_exists($post['mycred-transfer-type'], $mycred_types)) {
$type = sanitize_text_field($post['mycred-transfer-type']);
}
if ($type == '') {
$type = 'mycred_default';
}
$mycred = mycred($type);
// Add-on has not been installed
if (!isset($this->transfers)) {
die(json_encode('error_6'));
}
$prefs = $this->transfers;
if (!isset($prefs['limit']['limit']) || !isset($prefs['logs']['sending'])) {
die(json_encode('error_6'));
}
// Get Recipient
$recipient_id = $this->get_recipient($to);
if ($recipient_id === false) {
die(json_encode('error_3'));
}
if ($mycred->exclude_user($recipient_id)) {
die(json_encode('error_4'));
}
// Prevent transfers to ourselves
if ($recipient_id == $from) {
die(json_encode('error_4'));
}
// Check amount
$amount = $mycred->number($amount);
if ($amount == $mycred->zero()) {
die(json_encode('error_5'));
}
// Check if user can transfer
$transfer = mycred_user_can_transfer($from, $amount, $type);
// Insufficient funds
if ($transfer == 'low') {
die(json_encode('error_7'));
} elseif ($transfer == 'limit') {
die(json_encode('error_8'));
}
// All good
$after_transfer = $transfer;
// Generate Transaction ID for our records
$transaction_id = 'TXID' . date_i18n('U') . $from;
// Let others play before we execute the transfer
do_action('mycred_transfer_ready', $transaction_id, $post, $prefs, $this->core, $type);
$data = apply_filters('mycred_transfer_data', array('ref_type' => 'user', 'tid' => $transaction_id), $transaction_id, $post, $prefs, $type);
// First take the amount from the sender
$mycred->add_creds($ref, $from, 0 - $amount, $prefs['logs']['sending'], $recipient_id, $data, $type);
// Update history if limits are imposed
if ($prefs['limit']['limit'] != 'none') {
$history = mycred_get_users_transfer_history($from, $type);
mycred_update_users_transfer_history($from, array('amount' => $mycred->number($amount + $history['amount'])), $type);
}
// Then add the amount to the receipient
$mycred->add_creds($ref, $recipient_id, $amount, $prefs['logs']['receiving'], $from, $data, $type);
// Let others play once transaction is completed
do_action('mycred_transfer_completed', $transaction_id, $post, $prefs, $this->core, $type);
// Return the good news
die(json_encode('ok'));
}
