/**
* AJAX Transfer Creds
* @since 0.1
* @version 1.5
*/
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
$type = '';
if (isset($post['mycred-transfer-type']) && array_key_exists($post['mycred-transfer-type'], $this->point_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, $ref);
// Insufficient funds
if ($transfer === 'low') {
die(json_encode('error_7'));
} elseif ($transfer === 'limit') {
die(json_encode('error_8'));
}
// 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, $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);
// 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, $type);
// Return the good news
die(json_encode('ok'));
}
function mycred_transfer_render($atts, $content = NULL)
{
global $mycred_load_transfer;
// Settings
$mycred = mycred();
$pref = $mycred->transfers;
// Get Attributes
extract(shortcode_atts(array('button' => '', 'charge_from' => '', 'pay_to' => '', 'show_balance' => 0, 'show_limit' => 0, 'ref' => '', 'placeholder' => '', 'types' => $pref['types'], 'excluded' => ''), $atts));
$output = '';
$mycred_load_transfer = false;
// If we are not logged in
if (!is_user_logged_in()) {
if (isset($pref['templates']['login']) && !empty($pref['templates']['login'])) {
$output .= '<p class="mycred-transfer-login">' . $mycred->template_tags_general($pref['templates']['login']) . '</p>';
}
return $output;
}
if ($ref == '') {
$ref = 'transfer';
}
// Who to charge
$charge_other = false;
if ($charge_from == '') {
$charge_other = true;
$charge_from = get_current_user_id();
}
// Point Types
if (!is_array($types)) {
$raw = explode(',', $types);
} else {
$raw = $types;
}
$clean = array();
foreach ($raw as $id) {
$clean[] = sanitize_text_field($id);
}
$available_types = array();
// Default
if (count($clean) == 1 && in_array('mycred_default', $clean)) {
// Make sure user is not excluded
if ($mycred->exclude_user($charge_from)) {
return '';
}
$status = mycred_user_can_transfer($charge_from, NULL, 'mycred_default', $ref);
$my_balance = $mycred->get_users_cred($charge_from);
// Error. Not enough creds
if ($status === 'low') {
if (isset($pref['errors']['low']) && !empty($pref['errors']['low'])) {
$no_cred = str_replace('%limit%', $pref['limit']['limit'], $pref['errors']['low']);
$no_cred = str_replace('%Limit%', ucwords($pref['limit']['limit']), $no_cred);
$no_cred = str_replace('%left%', $mycred->format_creds($status), $no_cred);
$output .= '<p class="mycred-transfer-low">' . $mycred->template_tags_general($no_cred) . '</p>';
}
return $output;
}
// Error. Over limit
if ($status === 'limit') {
if (isset($pref['errors']['over']) && !empty($pref['errors']['over'])) {
$no_cred = str_replace('%limit%', $pref['limit']['limit'], $pref['errors']['over']);
$no_cred = str_replace('%Limit%', ucwords($pref['limit']['limit']), $no_cred);
$no_cred = str_replace('%left%', $mycred->format_creds($status), $no_cred);
$output .= '<p class="mycred-transfer-over">' . $mycred->template_tags_general($no_cred) . '</p>';
}
return $output;
}
$available_types['mycred_default'] = $mycred->plural();
} else {
foreach ($clean as $point_type) {
$points = mycred($point_type);
if ($points->exclude_user($charge_from)) {
continue;
}
$status = mycred_user_can_transfer($charge_from, NULL, $point_type, $ref);
if ($status === 'low' || $status === 'limit') {
continue;
}
$available_types[$point_type] = $points->plural();
}
// User does not have access
if (count($available_types) == 0) {
return $excluded;
}
}
// Flag for scripts & styles
$mycred_load_transfer = true;
// Placeholder
if ($pref['autofill'] == 'user_login') {
$pln = __('username', 'mycred');
} elseif ($pref['autofill'] == 'user_email') {
$pln = __('email', 'mycred');
}
$placeholder = apply_filters('mycred_transfer_to_placeholder', __('recipients %s', 'mycred'), $pref, $mycred);
$placeholder = sprintf($placeholder, $pln);
// Recipient Input field
$to_input = '<input type="text" name="mycred-transfer-to" value="" aria-required="true" class="mycred-autofill" placeholder="' . $placeholder . '" />';
// If recipient is set, pre-populate it with the recipients details
if ($pay_to != '') {
$user = get_user_by('id', $pay_to);
if ($user !== false) {
$value = $user->display_name;
if (isset($user->{$pref}['autofill'])) {
$value = $user->{$pref}['autofill'];
}
$to_input = '<input type="text" name="mycred-transfer-to" value="' . $value . '" readonly="readonly" />';
}
}
// If we only use one type, we might as well reload the myCRED_Settings object
// since formating might differ
if (count($clean) == 1) {
$mycred = mycred($clean[0]);
}
// Only use prefix / suffix if we have 1 type.
if (count($clean) == 1) {
if (!empty($mycred->before)) {
$before = $mycred->before . ' ';
} else {
$before = '';
}
if (!empty($mycred->after)) {
$after = ' ' . $mycred->after;
} else {
$after = '';
}
} else {
$before = $after = '';
}
// Select Point type
if (count($available_types) == 1) {
$type_input = '<input type="hidden" name="mycred-transfer-type" value="' . $clean[0] . '" />';
} else {
$type_input = '<select name="mycred-transfer-type" id="mycred-transfer-type" class="form-control">';
foreach ($available_types as $type => $plural) {
$type_input .= '<option value="' . $type . '">' . $plural . '</option>';
}
$type_input .= '</select>';
}
$extras = array();
// Show Balance
if ((bool) $show_balance === true && !empty($pref['templates']['balance']) && count($available_types) == 1) {
$balance_text = str_replace('%balance%', $mycred->format_creds($my_balance), $pref['templates']['balance']);
$extras[] = $mycred->template_tags_general($balance_text);
}
// Show Limits
if ((bool) $show_limit === true && !empty($pref['templates']['limit']) && $pref['limit']['limit'] != 'none' && count($available_types) == 1) {
$limit_text = str_replace('%_limit%', $pref['limit']['limit'], $pref['templates']['limit']);
$limit_text = str_replace('%limit%', ucwords($pref['limit']['limit']), $limit_text);
$limit_text = str_replace('%left%', $mycred->format_creds($status), $limit_text);
$extras[] = $mycred->template_tags_general($limit_text);
}
if ($button == '') {
$button = $pref['templates']['button'];
}
// Main output
ob_start();
?>
<div class="mycred-transfer-cred-wrapper"<?php
if ($ref != '') {
echo ' id="transfer-form-' . $ref . '"';
}
?>
>
<form class="mycred-transfer" method="post" action="">
<?php
do_action('mycred_transfer_form_start', $atts, $pref);
?>
<ol style="list-style-type:none;">
<li class="mycred-send-to">
<label><?php
_e('To:', 'mycred');
?>
</label>
<div class="transfer-to"><?php
echo $to_input;
?>
</div>
<?php
do_action('mycred_transfer_form_to', $atts, $pref);
?>
</li>
<li class="mycred-send-amount">
<label><?php
_e('Amount:', 'mycred');
?>
</label>
<div class="transfer-amount"><?php
echo $before;
?>
<input type="text" class="short" name="mycred-transfer-amount" value="<?php
echo $mycred->zero();
?>
" size="8" aria-required="true" /><?php
echo $after . ' ' . $type_input;
?>
</div>
<?php
if ($charge_other) {
?>
<input type="hidden" name="mycred-charge-other" value="<?php
absint($charge_from);
?>
" /><?php
}
?>
<?php
if ($ref != '') {
?>
<input type="hidden" name="mycred-transfer-ref" value="<?php
echo esc_attr($ref);
?>
" /><?php
}
?>
<input type="submit" class="button button-primary button-large mycred-click btn btn-primary btn-lg"<?php
if ($pay_to == get_current_user_id()) {
echo ' disabled="disabled"';
}
?>
value="<?php
echo esc_attr($button);
?>
" />
<?php
do_action('mycred_transfer_form_amount', $atts, $pref);
?>
</li>
<?php
if (!empty($extras)) {
?>
<li class="mycred-transfer-info">
<p><?php
echo implode('</p><p>', $extras);
?>
</p>
<?php
do_action('mycred_transfer_form_extra', $atts, $pref);
?>
</li>
<?php
}
?>
</ol>
<?php
do_action('mycred_transfer_form_end', $atts, $pref);
?>
<div class="clear clearfix"></div>
</form>
<div class="clear clearfix clr"></div>
</div>
<?php
$output = ob_get_contents();
ob_end_clean();
return do_shortcode(apply_filters('mycred_transfer_render', $output, $atts, $mycred));
}