/**
* Update invoice by ID
*
* @global Array $wpi_settings
*
* @param Array $args
*
* @return WP_Error|WPI_Invoice
*/
function update_invoice($args = array())
{
global $wpi_settings;
//** Default arguments */
$defaults = array('ID' => false, 'subject' => false, 'description' => false, 'type' => false, 'deposit' => false, 'due_date' => false, 'tax' => false, 'tax_method' => false, 'recurring' => false, 'discount' => false, 'items' => array(), 'charges' => array());
//** Parse arguments */
extract($args = wp_parse_args($args, $defaults));
//** Check */
if (!$ID) {
return new WP_Error('wp.invoice', __('Argument "ID" is required.', WPI), $args);
}
//** New Invoice object */
$invoice = new WPI_Invoice();
//** Load invoice by ID */
$invoice->load_invoice(array('id' => $ID));
$set = array();
//** Subject */
if ($subject) {
$subject = trim($subject);
if (!empty($subject)) {
$set['subject'] = $subject;
$set['post_title'] = $subject;
}
}
//** Description */
if ($description) {
$description = trim($description);
if (!empty($description)) {
$set['description'] = $description;
}
}
if ($type) {
//** If type is registered */
if (!array_key_exists($type, $wpi_settings['types'])) {
return new WP_Error('wp.invoice', __('Unknown invoice type.', WPI), $args);
}
//** If recurring */
if ($type == 'recurring') {
$recurring = array_filter($recurring);
if (empty($recurring['unit']) || empty($recurring['cycles'])) {
return new WP_Error('wp.invoice', __('Method requires correct "recurring" argument if "type" is recurring.', WPI), $args);
}
if (!empty($deposit)) {
return new WP_Error('wp.invoice', __('Cannot use "deposit" with "recurring" type.', WPI), $args);
}
}
//** If quote */
if ($type == 'quote') {
if (!empty($deposit)) {
return new WP_Error('wp.invoice', __('Cannot use "deposit" with "quote" type.', WPI), $args);
}
}
$set['type'] = $type;
//** If quote */
if ($type == 'quote') {
$set['status'] = $type;
$set['is_quote'] = 'true';
}
//** Recurring */
if ($type == 'recurring') {
$invoice->create_schedule($recurring);
}
}
//** Partial payments */
if ($deposit) {
$set['deposit_amount'] = (double) $deposit;
}
if ($due_date) {
$set['due_date_year'] = $due_date['year'];
$set['due_date_month'] = $due_date['month'];
$set['due_date_day'] = $due_date['day'];
}
if ($tax) {
$set['tax'] = $tax;
}
if ($tax_method) {
if ($tax_method != 'before_discount' && $tax_method != 'after_discount') {
return new WP_Error('wp.invoice', __('Unknown "tax_method".', WPI), $args);
}
$set['tax_method'] = $tax_method;
}
if ($discount) {
if (empty($discount['name'])) {
return new WP_Error('wp.invoice', __('Discount name is required.', WPI), $args);
}
if (empty($discount['type'])) {
return new WP_Error('wp.invoice', __('Discount type is required. ("amount" or "percent").', WPI), $args);
}
if (empty($discount['amount'])) {
return new WP_Error('wp.invoice', __('Discount amount is required.', WPI), $args);
}
$invoice->data['discount'] = array();
$invoice->add_discount($discount);
}
if ($items) {
//** Items */
foreach ($items as $item) {
//** Do not allow to save melformed items */
if (empty($item['name']) || empty($item['quantity']) || empty($item['price'])) {
return new WP_Error('wp.invoice', __('One or more "items" have malformed structure. Cannot create Invoice.', WPI), $args);
}
//** Global tax has higher priority */
if (!empty($tax)) {
$item['tax_rate'] = $tax;
}
//** Check types */
if (!is_numeric($item['quantity'])) {
return new WP_Error('wp.invoice', __('One or more "items" have wrong "quantity" value. Cannot create Invoice.', WPI), $args);
}
if (!is_numeric($item['price'])) {
return new WP_Error('wp.invoice', __('One or more "items" have wrong "price" value. Cannot create Invoice.', WPI), $args);
}
if (!empty($item['tax_rate'])) {
if (!is_numeric($item['tax_rate'])) {
return new WP_Error('wp.invoice', __('One or more "items" have wrong "tax_rate" value. Cannot create Invoice.', WPI), $args);
}
}
}
}
if ($charges) {
//** Charges */
foreach ($charges as $charge) {
//** Do not allow to save melformed items */
if (empty($charge['name']) || empty($charge['amount'])) {
return new WP_Error('wp.invoice', __('One or more "charges" have malformed structure. Cannot create Invoice.', WPI), $args);
}
//** Global tax has higher priority */
if (!empty($tax)) {
$charge['tax'] = $tax;
}
//** Check types */
if (!is_numeric($charge['amount'])) {
return new WP_Error('wp.invoice', __('One or more "charges" have wrong "amount" value. Cannot create Invoice.', WPI), $args);
}
if (!empty($charge['tax'])) {
if (!is_numeric($charge['tax'])) {
return new WP_Error('wp.invoice', __('One or more "charges" have wrong "tax" value. Cannot create Invoice.', WPI), $args);
}
}
}
}
//** If passed validation - save item */
if ($charges) {
$invoice->data['itemized_charges'] = array();
foreach ($charges as $charge) {
$invoice->line_charge($charge);
}
}
if ($items) {
$invoice->data['itemized_list'] = array();
foreach ($items as $item) {
$invoice->line_item($item);
}
}
$invoice->set($set);
$invoice->save_invoice();
$invoice = new WPI_Invoice();
//** Load invoice by ID */
$invoice->load_invoice(array('id' => $ID));
return $invoice;
}
/**
Handles saving and updating
Can also handle AJAX save/update function
*/
function save_invoice($invoice, $args = '') {
//die( json_encode($invoice) );
/* Set function additional params */
$defaults = array(
'type' => 'default'
);
extract(wp_parse_args($args, $defaults), EXTR_SKIP);
if ($type != 'import') {
if (!wp_verify_nonce($_REQUEST['nonce'], 'wpi-update-invoice')) {
die('Security check');
}
}
/* Init New Invoice object from passed variables */
$ni = new WPI_Invoice();
$ni->set("ID={$invoice['ID']}");
$ni->set("invoice_id={$invoice['invoice_id']}");
//$ni->set("terms_acceptance_required={$invoice['terms_acceptance_required']}");
$ni->set("subject={$invoice['subject']}");
$ni->set("description={$invoice['description']}");
//$ni->set("watermark={$invoice['meta']['watermark']}");
if ($invoice['deposit'] == 'on' || $invoice['deposit'] == 'true') {
$ni->set("deposit_amount={$invoice['deposit_amount']}");
} else {
$ni->set("deposit_amount=0");
}
$ni->set("due_date_year={$invoice['due_date_year']}");
$ni->set("due_date_month={$invoice['due_date_month']}");
$ni->set("due_date_day={$invoice['due_date_day']}");
$ni->set("default_currency_code={$invoice['default_currency_code']}");
if (!empty($invoice['meta']['terms'])) {
$ni->set("terms={$invoice['meta']['terms']}");
}
$ni->set("tax={$invoice['meta']['tax']}");
$ni->set("custom_id={$invoice['meta']['custom_id']}");
/**
* DETECTING INVOICE TYPE
* (Changes for ability to use premium feature Quotes)
*
* @author Anton Korotkov
*
* There are three available types by default:
* - invoice
* - recurring
*/
// 'invoice' is by default
$invoice_type = 'invoice';
// If $invoice object has type definition then use it
if ( !empty( $invoice['type'] ) ) {
$invoice_type = $invoice['type'];
}
// Save status of invoice (quote or not quote)
if(isset ($invoice['quote'])) {
if($invoice['quote'] == "on") {
$ni->set("status=quote");
$ni->set("is_quote=true");
$invoice_type = 'quote';
} else {
$ni->set("status=null");
}
}
// But if recurring settings are defined then invoice type should be recurring
if ($invoice['recurring']['active'] == 'on' && !empty($invoice['recurring']['cycles'])) {
$ni->create_schedule("unit={$invoice['recurring']['unit']}&length={$invoice['recurring']['length']}&cycles={$invoice['recurring']['cycles']}&send_invoice_automatically={$invoice['recurring']['send_invoice_automatically']}&start_date[month]={$invoice['recurring']['start_date']['month']}&start_date[day]={$invoice['recurring']['start_date']['day']}&start_date[year]={$invoice['recurring']['start_date']['year']}");
$invoice_type = 'recurring';
}
// Finally set invoice type
$ni->set("type=$invoice_type");
/* Set invoice status */
$status = (!empty($invoice['post_status']) ? $invoice['post_status'] : 'active');
$ni->set("post_status={$status}");
/* Add discounts if exist */
if (is_array($invoice['meta']['discount'])) {
foreach ($invoice['meta']['discount'] as $discount) {
if (!empty($discount['name']) && !empty($discount['amount'])) {
$ni->add_discount("name={$discount['name']}&type={$discount['type']}&amount={$discount['amount']}");
}
}
}
if (!empty($invoice['client_change_payment_method'])) {
$ni->set("client_change_payment_method={$invoice['client_change_payment_method']}");
}
$ni->set("default_payment_method={$invoice['default_payment_method']}");
$ni->set("tax_method={$invoice['tax_method']}");
// It's bad idea to clear log, because all neccessary data such as payment information exist there
//$ni->admin("clear_log={$invoice['admin']['clear_log']}");
/* Manually set billing settings due to the complexity of the hierarchy */
$ni->data['billing'] = !empty($invoice['billing']) ? $invoice['billing'] : array();
/* Add line items */
foreach ($invoice['itemized_list'] as $line_item) {
$ni->line_item("name={$line_item['name']}&description={$line_item['description']}&quantity={$line_item['quantity']}&price={$line_item['price']}&tax_rate={$line_item['tax']}");
}
/* Add line items for charges */
if (!empty($invoice['itemized_charges'])) {
foreach ($invoice['itemized_charges'] as $charge_item) {
$ni->line_charge("name={$charge_item['name']}&amount={$charge_item['amount']}&tax={$charge_item['tax']}");
}
}
/*
* Save Invoice Object to DB and update user
* (trimming is a precaution because it could cause problems in inserted in DB w/ whitespace on end)
*/
$ni->set("user_email=" . trim($invoice['user_data']['user_email']));
if ($type != 'import') {
WPI_Functions::update_user($invoice['user_data']);
}
$invoice_id = $ni->save_invoice();
if ($invoice_id) {
return $invoice_id;
} else {
return false;
}
}
/**
* Handles saving and updating
* Can also handle AJAX save/update function
*
* @param type $invoice
* @param type $args
*
* @return boolean
*/
static function save_invoice($invoice, $args = '')
{
//** Set function additional params */
$defaults = array('type' => 'default');
extract(wp_parse_args($args, $defaults), EXTR_SKIP);
if ($type != 'import') {
if (!wp_verify_nonce($_REQUEST['nonce'], 'wpi-update-invoice')) {
die('Security check');
}
}
//** Init New Invoice object from passed variables */
$ni = new WPI_Invoice();
//** ID */
$ni->set(array('ID' => $invoice['ID']));
//** invoice_id */
$ni->set(array('invoice_id' => $invoice['invoice_id']));
//** subject */
$ni->set(array('subject' => $invoice['subject']));
//** description */
$ni->set(array('description' => $invoice['description']));
//** deposit */
if ($invoice['deposit'] == 'on' || $invoice['deposit'] == 'true') {
$ni->set(array('deposit_amount' => $invoice['deposit_amount']));
} else {
$ni->set(array('deposit_amount' => 0));
}
//** Due date */
$ni->set(array('due_date_year' => $invoice['due_date_year']));
$ni->set(array('due_date_month' => $invoice['due_date_month']));
$ni->set(array('due_date_day' => $invoice['due_date_day']));
//** Currency */
$ni->set(array('default_currency_code' => $invoice['default_currency_code']));
//** Terms? */
if (!empty($invoice['meta']['terms'])) {
$ni->set(array('terms' => $invoice['meta']['terms']));
}
//** Tax */
$ni->set(array('tax' => $invoice['meta']['tax']));
//** Custom ID */
$ni->set(array('custom_id' => $invoice['meta']['custom_id']));
//** type is 'invoice' by default */
$invoice_type = 'invoice';
//** If $invoice object has type definition then use it */
if (!empty($invoice['type'])) {
$invoice_type = $invoice['type'];
}
//** Save status of invoice (quote or not quote) */
if (isset($invoice['quote'])) {
if ($invoice['quote'] == "on") {
$ni->set(array('status' => 'quote'));
$ni->set(array('is_quote' => 'true'));
$invoice_type = 'quote';
} else {
$ni->set(array('status' => 'null'));
}
}
//** But if recurring settings are defined then invoice type should be recurring */
if ($invoice['recurring']['active'] == 'on' && !empty($invoice['recurring'])) {
$ni->create_schedule($invoice['recurring']);
$invoice_type = 'recurring';
}
//** Finally set invoice type */
$ni->set(array('type' => $invoice_type));
//** Set invoice status */
$status = !empty($invoice['post_status']) ? $invoice['post_status'] : 'active';
$ni->set(array('post_status' => $status));
//** Add discounts if exist */
if (is_array($invoice['meta']['discount'])) {
foreach ($invoice['meta']['discount'] as $discount) {
if (!empty($discount['name']) && !empty($discount['amount'])) {
$ni->add_discount(array('name' => $discount['name'], 'type' => $discount['type'], 'amount' => $discount['amount']));
}
}
}
//** Ability to change payment method */
if (!empty($invoice['client_change_payment_method'])) {
$ni->set(array('client_change_payment_method' => $invoice['client_change_payment_method']));
}
//** Ability to turn off all payment methods and turn on manual that way */
if (!empty($invoice['use_manual_payment'])) {
$ni->set(array('use_manual_payment' => $invoice['use_manual_payment']));
}
//** Default payment method */
$ni->set(array('default_payment_method' => $invoice['default_payment_method']));
//** Tax method */
$ni->set(array('tax_method' => $invoice['tax_method']));
//** Manually set billing settings due to the complexity of the hierarchy */
$ni->data['billing'] = !empty($invoice['billing']) ? $invoice['billing'] : array();
//** Add line items */
foreach ($invoice['itemized_list'] as $line_item) {
$ni->line_item(array('name' => $line_item['name'], 'description' => $line_item['description'], 'quantity' => $line_item['quantity'], 'price' => $line_item['price'], 'tax_rate' => $line_item['tax']));
}
//** Add line items for charges */
if (!empty($invoice['itemized_charges'])) {
foreach ($invoice['itemized_charges'] as $charge_item) {
$ni->line_charge(array('name' => $charge_item['name'], 'amount' => $charge_item['amount'], 'tax' => $charge_item['tax']));
}
}
/**
* Save Invoice Object to DB and update user
* (trimming is a precaution because it could cause problems in inserted in DB w/ whitespace on end)
*/
$ni->set(array('user_email' => trim($invoice['user_data']['user_email'])));
if ($type != 'import') {
WPI_Functions::update_user($invoice['user_data']);
}
$invoice_id = $ni->save_invoice();
if ($invoice_id) {
return $invoice_id;
} else {
return false;
}
}