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<?php |
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|
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namespace EmailOctopus; |
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|
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use InvalidArgumentException; |
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|
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// Exit if accessed directly. |
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Form class for EmailOctopus. |
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*/ |
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class Form |
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{ |
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/** |
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* The EmailOctopus form ID. |
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*/ |
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private string $form_id = ''; |
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|
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/** |
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* Form data as received from EmailOctopus.com API. |
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*/ |
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private array $form_data = []; |
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|
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/** |
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* Errors to be rendered to the UI. |
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*/ |
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private array $errors = []; |
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|
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/** |
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* Is this a pre-3.0 form? |
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*/ |
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private bool $is_deprecated_form = false; |
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|
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/** |
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* Constructor. |
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* |
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* @param string $form_id The form ID. |
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*/ |
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public function __construct(string $form_id = '', bool $populate_data_from_api = true) |
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{ |
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if (empty($form_id)) { |
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// Nothing to render: form not selected yet. |
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return; |
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} |
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|
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$this->form_id = $form_id; |
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if ($populate_data_from_api) { |
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$this->populate_data_from_api(); |
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} |
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} |
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|
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public function set_form_data(array $data) |
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{ |
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$this->form_data = $data; |
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} |
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|
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/** |
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* Sets Form Data available to other class methods. |
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*/ |
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private function populate_data_from_api(): void |
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{ |
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if (empty($this->form_id)) { |
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throw new InvalidArgumentException( |
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'This form does not have a form_id set, so its data cannot be retrieved from the API.' |
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); |
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} |
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|
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if (Utils::site_has_deprecated_forms()) { |
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$deprecated_form_data = Deprecated::get_form_data($this->form_id); |
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|
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if (is_array($deprecated_form_data) && !empty($deprecated_form_data)) { |
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$this->is_deprecated_form = true; |
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$this->form_data = $deprecated_form_data; |
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|
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return; |
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} |
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} |
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|
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if ($this->has_errors()) { |
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return; |
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} |
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|
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$data = Utils::get_api_data( |
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'https://emailoctopus.com/api/1.6/forms/' . $this->form_id, |
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['api_key' => get_option('emailoctopus_api_key', false)], |
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MINUTE_IN_SECONDS, |
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is_admin() |
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); |
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|
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if (is_wp_error($data) || isset($data->error)) { |
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$this->errors[] = $data->error; |
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|
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return; |
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} |
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|
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$this->set_form_data( |
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(array) $data // Cast from stdClass to array |
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); |
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} |
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|
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/** |
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* Accessor for form data. |
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*/ |
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public function get_form_data(): array |
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{ |
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return $this->form_data ?? []; |
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} |
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|
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/** |
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* Get the form's ID as defined on EmailOctopus.com. |
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*/ |
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public function get_id(): string |
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{ |
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return trim($this->get_form_data()['id'] ?? ''); |
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} |
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|
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/** |
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* Get the form's Name as defined on EmailOctopus.com. |
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*/ |
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public function get_name(): string |
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{ |
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return trim($this->get_form_data()['name'] ?? ''); |
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} |
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|
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/** |
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* Get the form's Type as defined on EmailOctopus.com. |
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*/ |
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public function get_type(): string |
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{ |
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return trim($this->get_form_data()['type'] ?? ''); |
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} |
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|
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/** |
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* Get the form's screenshot URL as defined on EmailOctopus.com. |
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*/ |
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public function get_screenshot_url(): string |
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{ |
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return trim($this->get_form_data()['screenshot_url'] ?? ''); |
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} |
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|
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/** |
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* Get the ID of this form's connected List. |
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*/ |
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public function get_list_id(): string |
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{ |
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return trim($this->get_form_data()['list_id'] ?? ''); |
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} |
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|
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/** |
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* Get the Name of this form's connected List. |
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*/ |
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public function get_list_name(): string |
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{ |
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if (!empty($this->get_form_data()['list_name'])) { |
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return trim($this->get_form_data()['list_name']); |
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} |
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|
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$list_id = $this->get_list_id(); |
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|
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if (empty($list_id)) { |
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return ''; |
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} |
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|
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$list = new ContactList($list_id); |
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|
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return trim($list->get_list_data()['name'] ?? ''); |
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} |
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|
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/** |
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* Get the script URL for this form. |
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*/ |
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public function get_script_url(): string |
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{ |
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return trim($this->get_form_data()['script_url'] ?? ''); |
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} |
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|
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/** |
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* Get the script tag necessary for rendering the form. |
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*/ |
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public function get_script_tag(): string |
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{ |
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return sprintf( |
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'<script async src="%s" data-form="%s"></script>', |
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$this->get_script_url(), |
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$this->get_id() |
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); |
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} |
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|
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/** |
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* Looks for an `emailoctopus_form` post type corresponding to the Form ID. |
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* |
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* @return array|int|WP_Post |
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*/ |
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public function get_form_post() |
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{ |
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$form_post = get_posts([ |
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'post_type' => 'emailoctopus_form', |
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'posts_per_page' => 1, |
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'post_status' => 'publish', |
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'meta_key' => '_emailoctopus_form_id', |
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'meta_value' => $this->form_id, |
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'no_found_rows' => true, |
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]); |
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|
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if (empty($form_post)) { |
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$form_post_id = $this->create_form_post(); |
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$form_post = [get_post($form_post_id)]; |
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} |
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|
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return $form_post[0]; |
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} |
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|
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/** |
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* Creates a new `emailoctopus_form` post type, whose meta links the WordPress data to the EmailOctopus.com version of the form. |
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*/ |
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public function create_form_post(): int |
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{ |
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$post_id = wp_insert_post( |
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[ |
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'post_type' => 'emailoctopus_form', |
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'post_status' => 'publish', |
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] |
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); |
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|
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update_post_meta($post_id, '_emailoctopus_form_id', $this->form_id); |
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|
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return $post_id; |
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} |
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|
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public function has_errors(): bool |
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{ |
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return !empty($this->errors); |
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} |
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|
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/** |
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* Display form. |
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* |
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* @todo Remove deprecated method arguments when pre-3.0 style forms no longer supported. |
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*/ |
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public function render_form(): void |
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{ |
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if ($this->is_deprecated_form()) { |
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Deprecated::output_template($this->form_id); |
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|
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return; |
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} |
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|
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if ($this->has_errors()) { |
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?> |
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<div class="emailoctopus-form-error" role="alert"> |
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<p> |
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<?php |
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esc_html_e('This EmailOctopus form cannot be rendered.', 'emailoctopus'); |
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if (is_user_logged_in()) { |
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echo ' ' . esc_html__('Errors:', 'emailoctopus'); |
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} ?> |
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</p> |
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<?php |
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if (is_user_logged_in()) { |
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echo '<ul>'; |
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foreach ($this->errors as $error) { |
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echo sprintf( |
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'<li>%s: %s</li>', |
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isset($error->code) ? esc_html($error->code) : '', |
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isset($error->message) ? esc_html($error->message) : '' |
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); |
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} |
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echo '</ul>'; |
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} ?> |
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</div> |
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<?php |
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|
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return; |
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} |
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|
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echo $this->get_script_tag(); |
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} |
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|
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/** |
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* Accessor for deprecated form flag. |
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*/ |
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public function is_deprecated_form(): bool |
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{ |
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return $this->is_deprecated_form; |
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} |
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} |
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|