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102 lines
3.3 KiB
102 lines
3.3 KiB
7 years ago
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<?php
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namespace Aldine;
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class LatestBooks extends \WP_Widget
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{
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/**
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* Constructor.
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*
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* @see WP_Widget::__construct()
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*
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*/
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public function __construct()
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{
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parent::__construct('latestbooks', __('Latest Books', 'aldine'), [
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'description' => esc_html__('Your network’s latest books.', 'aldine')
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]);
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}
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/**
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* Front-end display of widget.
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*
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* @see WP_Widget::widget()
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*
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* @param array $args Widget arguments.
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* @param array $instance Saved values from database.
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*/
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public function widget($args, $instance)
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{
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$number = (! empty($instance['number'])) ? absint($instance['number']) : 3;
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if (!$number)
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$number = 3;
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if (empty($instance['title'])) {
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$instance['title'] = __('Latest Books', 'aldine');
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}
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echo $args['before_widget'];
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echo $args['before_title'] . apply_filters('widget_title', $instance['title']) . $args['after_title'];
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$books = wp_remote_get(home_url('/wp-json/pressbooks/v2/books'));
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$books = json_decode($books['body'], true); ?>
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<div class="books">
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<?php for($i = 0; $i < $number; $i++) {
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printf(
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'<div class="book"><a class="subject" href="">TK</a><a class="title" href="%1$s">%2$s</a><a class="read-more" href="%1$s">%3$s</a></div>',
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$books[$i]['link'],
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$books[$i]['metadata']['name'],
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__('About this book →', 'aldine')
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);
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} ?>
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</div>
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<?php echo $args['after_widget'];
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}
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/**
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* Back-end widget form.
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*
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* @see WP_Widget::form()
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*
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* @param array $instance Previously saved values from database.
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*/
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public function form($instance)
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{
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$title = ! empty($instance['title']) ? $instance['title'] : '';
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$number = ! empty($instance['number']) ? absint($instance['number']) : 3; ?>
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<p><label for="<?= $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label>
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<input
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class="widefat"
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id="<?= $this->get_field_id( 'title' ); ?>"
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name="<?= $this->get_field_name( 'title' ); ?>"
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type="text"
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value="<?= $title; ?>" /></p>
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<p><label for="<?= $this->get_field_id( 'number' ); ?>"><?php _e( 'Number of books to show:' ); ?></label>
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<input
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class="tiny-text"
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id="<?= $this->get_field_id( 'number' ); ?>"
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name="<?= $this->get_field_name( 'number' ); ?>"
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type="number"
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step="1"
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min="1"
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value="<?= $number; ?>"
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size="3" /></p>
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<?php
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}
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/**
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* Sanitize widget form values as they are saved.
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*
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* @see WP_Widget::update()
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*
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* @param array $new_instance Values just sent to be saved.
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* @param array $old_instance Previously saved values from database.
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*
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* @return array Updated safe values to be saved.
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*/
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public function update($new_instance, $old_instance)
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{
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$instance = [];
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$instance['title'] = ( ! empty($new_instance['title']) ) ? strip_tags($new_instance['title']) : '';
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$instance['number'] = (int) $new_instance['number'];
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return $instance;
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}
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}
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