slider->add_slide($this->{$method}());
$result = $this->add_slide($slideshow_id, $slide_data);
if (is_wp_error($result)) {
array_push($errors, $result);
} else {
array_push($slides, $result);
}
}
// We don't bail on an error, so we need to send back a list of errors, if any
if (count($errors)) {
$error_response = new WP_Error('create_failed', 'We experienced some errors while adding slides.', array('status' => 409));
foreach ($errors as $message) {
$error_response->add('create_failed', $message, array('status' => 409));
}
return $error_response;
}
return $slides;
}
/**
* Adds a single slide.
* TODO refactor and put this in a Slider class
*
* @param int $slideshow_id The id of the slider
* @param array $data The data information for the new slide
*
* @return array | WP_Error The slide_id and html content
*/
public function add_slide($slideshow_id, $data)
{
// For now this only handles images, so check it's an image
if (!wp_attachment_is_image($data['id'])) {
// TODO this is the old way to handle errors
// Remove this later and handle errors using data returns
echo '
ID: ' . esc_html($data['id']) . ' "' . esc_html(get_the_title($data['id'])) . '" - ' . esc_html__("Failed to add slide. Slide is not an image.", 'ml-slider') . "
";
return new WP_Error('create_failed', __('This isn\'t an accepted image. Please try again.', 'ml-slider'), array('status' => 409));
}
$slide_id = $this->insert_slide($data['id'], $data['type'], $slideshow_id);
if (is_wp_error($slide_id)) {
return $slide_id;
}
// TODO refactor these and investigate why they are needed (legacy?)
$this->set_slide($slide_id);
$this->set_slider($slideshow_id);
$this->tag_slide_to_slider();
// set default inherit values
$this->set_field_inherited('title', true);
$this->set_field_inherited('alt', true);
// TODO investigate if this is really needed
$this->settings['width'] = 0;
$this->settings['height'] = 0;
// Return the html object
return array('slide_id' => $slide_id, 'html' => $this->get_admin_slide());
}
/**
* Ajax wrapper to create multiple slides.
* TODO: deprecate this in favor of only allowing single slide creation
*
* @return string The status message and if success, the count of slides added
*/
public function ajax_create_image_slides()
{
if (! isset($_REQUEST['_wpnonce']) || ! wp_verify_nonce(sanitize_key($_REQUEST['_wpnonce']), 'metaslider_create_slide')) {
wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$capability = apply_filters('metaslider_capability', MetaSliderPlugin::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (! current_user_can($capability)) {
wp_send_json_error(
[
'message' => __('Access denied', 'ml-slider')
],
403
);
}
if (! isset($_POST['slider_id']) || ! isset($_POST['selection'])) {
wp_send_json_error(
[
'message' => __('Bad request', 'ml-slider'),
],
400
);
}
$capability = apply_filters('metaslider_capability', MetaSliderPlugin::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (! current_user_can($capability)) {
wp_send_json_error(
[
'message' => __('Access denied', 'ml-slider')
],
403
);
}
$slides = $this->create_slides(
absint($_POST['slider_id']),
array_map(array($this, 'make_image_slide_data'), $_POST['selection']) // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
);
if (is_wp_error($slides)) {
wp_send_json_error(array(
'messages' => $slides->get_error_messages()
), 409);
}
wp_send_json_success($slides, 200);
}
/**
* Adds the type and image id to an array
*
* @param int $image_id Image ID
* @return array
*/
public function make_image_slide_data($image_id)
{
return array(
'type' => 'image',
'id' => absint($image_id)
);
}
/**
* Updates the slide data.
*
* @param int $slide_id The id of the slide being updated
* @param int $image_id The id of the new image to use
* @param int $slideshow_id The id of the slideshow
*
* @return array|WP_error The status message and if success, details
*/
public function update_slide($slide_id, $image_id, $slideshow_id = null)
{
// Currently only the image
$image_data = $this->update_slide_image($slide_id, $image_id, $slideshow_id);
if (is_wp_error($image_data)) {
return $image_data;
}
return array(
'image' => $image_data
);
}
/**
* Ajax wrapper to create new cropped images.
*
* @return string The status message
*/
public function ajax_resize_slide()
{
if (! isset($_REQUEST['_wpnonce']) || ! wp_verify_nonce(sanitize_key($_REQUEST['_wpnonce']), 'metaslider_resize')) {
wp_send_json_error(array(
'message' => __('The security check failed. Please refresh the page and try again.', 'ml-slider')
), 401);
}
$capability = apply_filters('metaslider_capability', MetaSliderPlugin::DEFAULT_CAPABILITY_EDIT_SLIDES);
if (! current_user_can($capability)) {
wp_send_json_error(
[
'message' => __('Access denied', 'ml-slider')
],
403
);
}
if (! isset($_POST['slider_id']) || ! isset($_POST['slide_id'])) {
wp_send_json_error(
[
'message' => __('Bad request', 'ml-slider'),
],
400
);
}
$slideshow_id = absint($_POST['slider_id']);
$slide_id = absint($_POST['slide_id']);
$settings = get_post_meta($slideshow_id, 'ml-slider_settings', true);
if (empty($settings) || !is_array($settings)) {
$settings = array();
}
$result = $this->resize_slide($slide_id, $slideshow_id, $settings);
do_action("metaslider_ajax_resize_image_slide", $slide_id, $slideshow_id, $settings);
if (is_wp_error($result)) {
wp_send_json_error(array(
'messages' => $result->get_error_messages()
), 409);
}
wp_send_json_success($result, 200);
}
/**
* Function to create new cropped images.
*
* @param string $slide_id - The id of the slide being cropped
* @param string $slideshow_id - The id of the slideshow
* @param array $settings - The settings for the slideshow
*
* @return array
*/
public function resize_slide($slide_id, $slideshow_id, $settings = array())
{
// Required for the eventual cropping to take place
$this->set_slide($slide_id);
$this->set_slider($slideshow_id);
// Use what's provided, or grab it from the database. If settings is false, set it as an empty array
$settings = empty($settings) ? get_post_meta($slideshow_id, 'ml-slider_settings', true) : $settings;
if (!$settings) {
$settings = array();
}
// Create a copy of the correct sized image
$imageHelper = new MetaSliderImageHelper(
$slide_id,
isset($settings['width']) ? $settings['width'] : 0,
isset($settings['height']) ? $settings['height'] : 0,
isset($settings['smartCrop']) ? $settings['smartCrop'] : 'false',
$this->use_wp_image_editor()
);
$url = $imageHelper->get_image_url(true);
do_action("metaslider_resize_image_slide", $slide_id, $slideshow_id, $settings);
return array('img_url' => $url);
}
/**
* Return the HTML used to display this slide in the admin screen
*
* @return string slide html
*/
protected function get_admin_slide()
{
// get some slide settings
$thumb = $this->get_thumb();
$slide_label = apply_filters("metaslider_image_slide_label", esc_html__("Image Slide", "ml-slider"), $this->slide, $this->settings);
$slide_type = get_post_meta($this->slide->ID, 'ml-slider_type', true);
$attachment_id = $this->get_attachment_id();
ob_start();
echo $this->get_delete_button_html(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo $this->get_update_image_button_html(); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
do_action('metaslider-slide-edit-buttons', 'image', $this->slide->ID, $attachment_id);
$edit_buttons = ob_get_clean();
// slide row HTML
$row = "
" . esc_html($slide_label) . "
";
if (metaslider_this_is_trash($this->slide)) {
$row .= '
';
}
$anchor_attributes = apply_filters('metaslider_responsive_slider_anchor_attributes', array(
'href' => $slide['url'],
'target' => $slide['target']
), $slide, $this->slider->ID);
if (strlen($anchor_attributes['href'])) {
$html = $this->build_anchor_tag($anchor_attributes, $html);
}
return apply_filters('metaslider_image_responsive_slider_markup', $html, $slide, $this->settings);
}
/**
* Save
*
* @param array $fields Fields to save
*/
protected function save($fields)
{
$args = array(
'ID' => $this->slide->ID,
'menu_order' => $fields['menu_order']
);
// This textarea might be hidden, so only update it if it exists
if (isset($fields['post_excerpt'])) {
$args['post_excerpt'] = $fields['post_excerpt'];
}
wp_update_post($args);
$this->add_or_update_or_delete_meta($this->slide->ID, 'url', $fields['url']);
$this->add_or_update_or_delete_meta($this->slide->ID, 'title', $fields['title']);
$this->add_or_update_or_delete_meta($this->slide->ID, 'crop_position', $fields['crop_position']);
$this->add_or_update_or_delete_meta($this->slide->ID, 'caption_source', $fields['caption_source']);
$this->set_field_inherited('title', isset($fields['inherit_image_title']) && $fields['inherit_image_title'] === 'on');
$this->set_field_inherited('alt', isset($fields['inherit_image_alt']) && $fields['inherit_image_alt'] === 'on');
if (isset($fields['alt'])) {
update_post_meta($this->slide->ID, '_wp_attachment_image_alt', $fields['alt']);
}
$this->add_or_update_or_delete_meta(
$this->slide->ID,
'new_window',
isset($fields['new_window']) && $fields['new_window'] === 'on'
);
}
/**
* Gets the inheritn parameter of a field
*
* @param string $field Field to check
* @return bool
*/
private function is_field_inherited($field)
{
return (bool) get_post_meta($this->slide->ID, 'ml-slider_inherit_image_' . $field, true);
}
/**
* Sets the inherit parameter of a field.
*
* @param string $field Field to set
* @param bool $value Value is currently isset($fields['checkbox_parameter'])
* @return mixed Returns meta_id if the meta doesn't exist, otherwise returns true on success and false on failure. NOTE: If the meta_value passed to this function is the same as the value that is already in the database, this function returns false.
*/
private function set_field_inherited($field, $value)
{
// TODO eventually I would like to handle errors / successful updates to the database even if just sending it to a log file
return update_post_meta($this->slide->ID, 'ml-slider_inherit_image_' . $field, (bool) $value);
}
}