/**
* Return the single instance of this class.
*
* @param array|null $db
* @return InvoicerDB
*/
public static function instance($db = null)
{
if (self::$instance === null) {
self::$instance = new self($db);
}
return self::$instance;
}
/**
* @param string $email
* @param string $password
* @return string|true|null
*/
public static function log_in($email, $password)
{
if (empty($email)) {
return 'Please enter your email';
}
if (empty($password)) {
return 'Please enter your password';
}
$database = InvoicerDB::instance();
$user_id = $database->check_user($email, $password);
// Database error.
if ($user_id === null) {
return null;
}
// Valid user id.
if (is_int($user_id)) {
$_SESSION[InvoicerDB::USER_ID] = $user_id;
$_SESSION[self::USER_LOGGED_IN] = true;
return true;
}
// Invalid email or password.
return $user_id;
}
" value="<?php
echo isset($_POST[InvoicerDB::USER_PHONE]) ? $_POST[InvoicerDB::USER_PHONE] : $this->current_user[InvoicerDB::USER_PHONE];
?>
">
</div>
<button type="submit" name="<?php
echo Page::SAVE_ACCOUNT_BUTTON;
?>
">Save</button>
</form>
<h2 class="form-header">Companies</h2>
<?php
$database = InvoicerDB::instance();
$companies = $database->get_companies($this->current_user[InvoicerDB::USER_ID]);
if (empty($companies)) {
?>
<p class="none">No companies yet. Use the form below to add one.</p>
<?php
} else {
?>
<form id="update-companies-form" action="<?php
echo $this->full_url;
?>
" method="post">
<?php
foreach ($companies as $company) {
$id = $company[InvoicerDB::COMPANY_ID];
/**
* Update or create an invoice.
*
* @param bool $creating
* @param array $new_data Data to update or create the invoice with.
*/
private function save_invoice($creating, $new_data)
{
// Validate the invoice, find what needs to be updated.
// $this->invoice will also be updated so if we display it
// it will have the latest user-submitted data.
$result = Invoice::validate($creating, $new_data, $this->invoice, $this->current_user[InvoicerDB::USER_ID]);
// Database error.
if ($result === null) {
$this->set_page_to_error();
return;
}
// Validation error.
if (!empty($result['errors'])) {
$this->field_errors = $result['errors'];
return;
}
// Nothing changed.
if (empty($result['update'])) {
$this->success_message = 'Nothing changed';
return;
}
// Try updating/inserting.
$database = InvoicerDB::instance();
$update_result = $database->update_invoice($creating ? null : $this->invoice[InvoicerDB::INVOICE_ID], $result['update'], $result['insert_rows'], $result['update_rows']);
// Database error.
if ($update_result === null || $update_result === false) {
$this->set_page_to_error();
return;
}
// Saved successfully - redirect if any slugs or the title changed (always true when creating).
if (isset($result['update'][InvoicerDB::INVOICE_SLUG]) || isset($result['update'][InvoicerDB::COMPANY_ID]) || isset($result['update'][InvoicerDB::INVOICE_TITLE])) {
$reason = $creating ? 'created' : 'updated';
$company = $database->get_company_by(InvoicerDB::COMPANY_ID, $new_data[InvoicerDB::COMPANY_ID]);
if (empty($company)) {
$this->set_page_to_error();
return;
}
header('Location: ' . $this->url . '/' . $company[InvoicerDB::COMPANY_SLUG] . '/' . $this->invoice[InvoicerDB::INVOICE_SLUG] . '/?reason=' . $reason);
exit;
} else {
$this->success_message = 'Invoice updated';
}
}
/**
* @param string $table
* @param string $slug
* @return string|true|null
*/
public static function check_slug($table, $slug)
{
if (!preg_match('/^[-a-z0-9]+$/', $slug)) {
return 'Slug "' . $slug . '" can only contain lowercase letters, numbers, and dashes';
}
$database = InvoicerDB::instance();
$unique = $database->unique_slug($table, $slug);
// Database error.
if ($unique === null) {
return null;
}
// Not unique.
if (!$unique) {
return 'The slug "' . $slug . '" is already in use';
}
// Companies cannot overlap page slugs.
if ($table === InvoicerDB::COMPANIES_TABLE && in_array($slug, self::$restricted_slugs)) {
return 'Slug "' . $slug . '" is not allowed';
}
return true;
}
