/**
* Does our preprocessing for the manage invoice page, adds our meta boxes, and checks invoice data
*
* @since 3.0
*/
static function page_manage_invoice_preprocess($screen_id)
{
global $wpi_settings, $this_invoice, $wpdb;
// Check if invoice_id already exists
$invoice_id_exists = false;
if (!empty($_REQUEST['wpi'])) {
if (!empty($_REQUEST['wpi']['new_invoice'])) {
if (wpi_check_invoice($_REQUEST['wpi']['new_invoice']['invoice_id'])) {
$invoice_id_exists = true;
}
}
if (!empty($_REQUEST['wpi']['existing_invoice'])) {
if (wpi_check_invoice($_REQUEST['wpi']['existing_invoice']['invoice_id'])) {
$invoice_id_exists = true;
}
}
}
if ($invoice_id_exists) {
// Select status of invoice from DB
$status = $wpdb->get_var("SELECT meta_value FROM {$wpdb->postmeta} WHERE post_id = '{$_REQUEST['wpi']['existing_invoice']['invoice_id']}' AND meta_key = 'status'");
}
// New Invoice
if (isset($_REQUEST['wpi']['new_invoice']) && empty($invoice_id_exists)) {
$this_invoice = new WPI_Invoice();
$this_invoice->create_new_invoice("invoice_id={$_REQUEST['wpi']['new_invoice']['invoice_id']}");
// If we are copying from a template
if (!empty($_REQUEST['wpi']['new_invoice']['template_copy'])) {
$this_invoice->load_template("id={$_REQUEST['wpi']['new_invoice']['template_copy']}");
}
// Set user and determine type
$this_invoice->load_user("email={$_REQUEST['wpi']['new_invoice']['user_email']}");
// Add custom data if user doesn't exist.
if (empty($this_invoice->data['user_data'])) {
$this_invoice->data['user_data'] = array('user_email' => $_REQUEST['wpi']['new_invoice']['user_email']);
}
$new_invoice = true;
// Enter in GET values
if (isset($_GET['prefill']['subject'])) {
$this_invoice->data['subject'] = $_GET['prefill']['subject'];
}
if (!empty($_GET['prefill']['is_quote']) && $_GET['prefill']['is_quote'] == 'true') {
$this_invoice->data['is_quote'] = true;
$this_invoice->data['status'] = "quote";
}
} else {
if (!empty($invoice_id_exists)) {
// Existing Invoice
$this_invoice = new WPI_Invoice();
if (isset($_REQUEST['wpi']['existing_invoice']['invoice_id'])) {
$ID = $_REQUEST['wpi']['existing_invoice']['invoice_id'];
} else {
if (isset($_REQUEST['wpi']['new_invoice']['invoice_id'])) {
$ID = $_REQUEST['wpi']['new_invoice']['invoice_id'];
}
}
$this_invoice->load_invoice("id={$ID}");
}
}
add_meta_box('postbox_payment_methods', __('Payment Settings', WPI), 'postbox_payment_methods', $screen_id, 'normal', 'high');
if (is_object($this_invoice) && isset($this_invoice->data['type']) && $this_invoice->data['type'] == 'single_payment') {
add_meta_box('postbox_overview', __('Overview', WPI), 'postbox_overview', $screen_id, 'side', 'high');
} else {
add_meta_box('postbox_publish', __('Publish', WPI), 'postbox_publish', $screen_id, 'side', 'high');
}
add_meta_box('postbox_user_existing', __('User Information', WPI), 'postbox_user_existing', $screen_id, 'side', 'low');
}
/**
* Create new invoice
*
* @param array $args
*
* @return WPI_Invoice
* @see WPI_Invoice
* @uses Internal API of plugin
*/
function create_invoice($args = array())
{
global $wpi_settings;
//** Default arguments */
$defaults = array('custom_id' => false, 'subject' => false, 'description' => false, 'type' => false, 'user_data' => array('user_email' => false, 'first_name' => false, 'last_name' => false, 'phonenumber' => false, 'streetaddress' => false, 'city' => false, 'state' => false, 'zip' => false, 'country' => false), 'deposit' => false, 'due_date' => array('year' => false, 'month' => false, 'day' => false), 'currency' => false, 'tax' => false, 'tax_method' => false, 'recurring' => array('unit' => false, 'length' => false, 'cycles' => false, 'send_invoice_automatically' => false, 'start_date' => array('month' => false, 'day' => false, 'year' => false)), 'status' => false, 'discount' => array('name' => false, 'type' => false, 'amount' => false), 'items' => array(), 'charges' => array());
//** Parse arguments */
extract($args = wp_parse_args($args, $defaults));
//** If empty subject - return error */
if (!$subject) {
return new WP_Error('wp.invoice', __('Method requires "subject" argument to be passed.', WPI), $args);
}
//** If empty user_email - return error */
if (!$user_data['user_email']) {
return new WP_Error('wp.invoice', __('Method requires "user_email" in "user_data" argument to be passed.', WPI), $args);
}
if (!filter_var($user_data['user_email'], FILTER_VALIDATE_EMAIL)) {
return new WP_Error('wp.invoice', __('User Email is malformed.', WPI), $args);
}
//** Items/Charges check */
if (empty($items) && empty($charges)) {
return new WP_Error('wp.invoice', __('Method requires "items" or "charges" argument to be passed.', WPI), $args);
}
//** If type is registered */
if (!array_key_exists($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), $args);
}
}
//** Check status */
if (!$status) {
return new WP_Error('wp.invoice', __('Method requires "status" argument to be passed.', WPI), $args);
}
if (!array_key_exists($status, $wpi_settings['invoice_statuses'])) {
return new WP_Error('wp.invoice', __('Unknown invoice status.', WPI), $args);
}
//** New Invoice object */
$invoice = new WPI_Invoice();
//** Load invoice by ID */
$invoice->create_new_invoice($args);
//** Set type */
$invoice->set(array('type' => $type));
//** If quote */
if ($type == 'quote') {
$invoice->set(array('status' => $type));
$invoice->set(array('is_quote' => 'true'));
}
//** Recurring */
if ($type == 'recurring') {
$invoice->create_schedule($recurring);
}
//** Try loading user by email */
$invoice->load_user(array('email' => $user_data['user_email']));
//** If new user - add data to his object */
if (empty($invoice->data['user_data'])) {
$invoice->data['user_data'] = $user_data;
}
//** Create/Update user if need */
WPI_Functions::update_user($user_data);
//** Try loading user by email again */
$invoice->load_user(array('email' => $user_data['user_email']));
//** Partial payments */
if ($deposit) {
$invoice->set(array('deposit_amount' => $deposit));
} else {
$invoice->set(array('deposit_amount' => 0));
}
//** Due date */
$invoice->set(array('due_date_year' => $due_date['year']));
$invoice->set(array('due_date_month' => $due_date['month']));
$invoice->set(array('due_date_day' => $due_date['day']));
//** Currency */
$invoice->set(array('default_currency_code' => $currency));
//** Tax */
$invoice->set(array('tax' => $tax));
//** Status */
$invoice->set(array('post_status' => $status));
//** Discount */
$discount = array_filter($discount);
if (!empty($discount)) {
if (empty($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);
}
$invoice->add_discount($discount);
}
//** 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 passed validation - save item */
$invoice->line_item($item);
}
//** 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 */
$invoice->line_charge($charge);
}
//** Set tax method */
if (!empty($tax_method)) {
if ($tax_method != 'before_discount' && $tax_method != 'after_discount') {
return new WP_Error('wp.invoice', __('Unknown "tax_method".', WPI), $args);
}
}
$invoice->set(array('tax_method' => $tax_method));
//** Save */
$invoice->save_invoice();
//** Return saved object */
return $invoice;
}
