mirror of
https://0xacab.org/radar/radar-wp.git
synced 2024-12-22 16:46:29 +01:00
250 lines
9.3 KiB
PHP
250 lines
9.3 KiB
PHP
<?php
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class Squat_Radar_Widget extends WP_Widget {
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public function __construct() {
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$widget_ops = array(
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'classname' => 'squat-radar-widget',
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'description' => 'Radar Events List',
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);
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$this->connector = new Squat_Radar_Connector();
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parent::__construct( 'Squat_Radar', 'Squat Radar Events', $widget_ops );
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}
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/**
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* Register the widget
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*/
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public static function register_widget() {
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register_widget( __CLASS__ );
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add_action( 'wp_ajax_squat_radar_events', [__CLASS__, 'ajax_callback'] );
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add_action( 'wp_ajax_nopriv_squat_radar_events', [__CLASS__, 'ajax_callback'] );
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add_action( 'wp_enqueue_scripts', [__CLASS__, 'widget_script'] );
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add_action( 'wp_enqueue_style', [__CLASS__, 'widget_style'] );
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}
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static public function widget_style() {
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wp_register_style( 'squat-radar-widget', SQUAT_RADAR_URL . '/assets/squat-radar.css' );
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}
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static public function widget_script() {
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wp_register_script( 'squat-radar-widget', SQUAT_RADAR_URL . '/assets/squat-radar.js', ['jquery'] );
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}
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public function widget( $args, $instance ) {
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wp_enqueue_style( 'squat-radar-widget' );
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wp_enqueue_script( 'squat-radar-widget');
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wp_localize_script( 'squat-radar-widget', 'squat_radar_widget', [ 'ajaxurl' => admin_url( 'admin-ajax.php' ) ] );
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// Seems non-trivial to send (potentially) multiple values for different widget instances appending an array/hash.
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$widget_id = 'squat_radar_widget_' . $this->number;
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wp_localize_script( 'squat-radar-widget', $widget_id, $instance );
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echo $args['before_widget'];
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if ( ! empty( $instance['title'] ) ) {
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echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
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}
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echo '<div id="' . $widget_id . '" class="squat-radar-widget squat-radar-ajax"><a href="' . esc_url_raw( $instance['url']['value'] ) . '">'
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. esc_url( $instance['url']['value'] )
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. '</a></div>';
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echo $args['after_widget'];
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}
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public static function ajax_callback() {
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if ( ! array_key_exists('instance', $_POST) ) {
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wp_die();
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}
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$instance = $_POST['instance'];
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$language = defined('ICL_LANGUAGE_CODE') ? ICL_LANGUAGE_CODE : $instance['url']['keys']['language'];
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$connector = new Squat_Radar_Connector();
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try {
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$data = $connector->events($instance['url']['keys']['facets'], $instance['fields'], $language, $instance['limit'], $instance['cache_expire'], TRUE );
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}
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catch ( Squat_Radar_Connector_Exception $e ) {
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$data = ['is_error' => TRUE];
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if ( current_user_can( 'administrator' ) ) {
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$data['error']['code'] = $e->getCode();
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$data['error']['message'] = $e->getMessage();
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}
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wp_send_json($data);
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}
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$html = '';
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foreach ($data['result'] as $id => $event) {
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$output = apply_filters( 'squat_radar_format_event', $event, $instance['fields'], ['instance' => $instance] );
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$html .= implode($output);
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}
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$data['html'] = $html;
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wp_send_json($data);
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}
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public function form( $instance ) {
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//
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// Introduction.
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//
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echo "<p>";
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echo __('If you want to display this single widget in a page or post use the Shortcode:') . ' ';
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if ( $this->number == '__i__' ) {
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echo '<em>' . __( 'Shortcode will be available once you have saved this the first time') . '</em>';
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}
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else {
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esc_attr_e( '[squat_radar_widget id="' . $this->number . '"]' );
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}
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echo "</p>";
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//
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// Title.
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//
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$field_id = esc_attr( $this->get_field_id( 'title' ) );
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$field_name = esc_attr( $this->get_field_name( 'title' ) );
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$field_label = esc_attr( 'Title:', 'squat-radar' );
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$field_value = empty( $instance['title'] ) ? '' : esc_attr( $instance['title'] );
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$field_class = 'widefat';
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echo "<p>";
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echo "<label for=\"$field_id\">$field_label</label>";
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echo "<input class=\"$field_class\" id=\"$field_id\" name=\"$field_name\" type=\"text\" value=\"$field_value\">";
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echo "</p>";
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//
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// Limit
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//
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$field_id = esc_attr( $this->get_field_id( 'limit' ) );
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$field_name = esc_attr( $this->get_field_name( 'limit' ) );
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$field_label = esc_attr( 'Number of events to display:', 'squat-radar' );
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$field_value = empty( $instance['limit'] ) ? '10' : (int) $instance['limit'];
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$field_class = 'tiny-text';
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echo "<p>";
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echo "<label for=\"$field_id\">$field_label</label>";
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echo "<input class=\"$field_class\" id=\"$field_id\" name=\"$field_name\" type=\"number\" step=\"1\" min=\"1\" value=\"$field_value\" size=\"3\">";
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echo "</p>";
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//
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// URL.
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//
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$field_error = ! empty( $instance['url']['error'] );
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$field_id = esc_attr( $this->get_field_id( 'url' ) );
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$field_name = esc_attr( $this->get_field_name( 'url' ) );
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$field_label = esc_attr( 'Event Search URL:', 'squat-radar' );
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$field_value = empty( $instance['url']['value'] ) ? '' : esc_attr( $instance['url']['value'] );
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$field_class = 'widefat' . $field_error ? ' error' : '';
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echo "<p>";
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echo "<label for=\"$field_id\">$field_label</label>";
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echo "<input class=\"$field_class\" id=\"$field_id\" name=\"$field_name\" type=\"text\" value=\"$field_value\">";
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echo "</p>";
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if ( $field_error ) {
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echo '<div class="description error">' . __('The URL was not recognised as a Radar Events search result. It needs to include the domain and the rest of the /events/search/path like: https://radar.squat.net/en/events/city/City_Name/group/123 Start from <a href="https://radar.squat.net/en/events" target="_blank">https://radar.squat.net/en/events</a> and use the filters in the right hand colunm there before copying the URL from your browser address bar.', 'squat-radar') . '</div>';
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}
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else {
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echo '<div class="description">' . __('Go to <a href="https://radar.squat.net/en/events" target="_blank">https://radar.squat.net/en/events</a> and filter for the events you want to show. Then copy the URL from your address bar into here. It will look similar to: https://radar.squat.net/en/events/city/City_Name/group/123', 'squat-radar') . '</div>';
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}
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if ( empty($instance['url']['error']) && ! empty( $instance['url']['keys'] ) ) {
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echo '<hr>';
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echo '<p>' . __('Currently selecting events:', 'squat-radar') . '</p>';
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echo '<dl>';
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echo '<dt>' . __('Default language', 'squat-radar') . '</dt>';
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echo '<dd>' . esc_html($instance['url']['keys']['language']) . '</dd>';
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foreach ($instance['url']['keys']['facets'] as $key => $value) {
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echo '<dt>' . esc_html($key) . '</dt>';
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echo '<dd>' . esc_html($value) . '</dd>';
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}
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echo '</dl>';
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}
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// ADVANCED
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echo '<hr>';
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echo '<fieldset>';
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echo '<legend>' . __('Advanced settings', 'squat-radar') . '</legend>';
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//
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// Fields.
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//
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$field_id = esc_attr( $this->get_field_id( 'fields' ) );
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$field_name = esc_attr( $this->get_field_name( 'fields' ) );
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$field_label = esc_attr( 'Fields:', 'squat-radar' );
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$field_value = empty( $instance['fields'] ) ? '' : esc_attr( implode( ' ,', $instance['fields'] ) );
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$field_class = 'widefat';
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echo "<p>";
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echo "<label for=\"$field_id\">$field_label</label>";
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echo "<input class=\"$field_class\" id=\"$field_id\" name=\"$field_name\" type=\"text\" value=\"$field_value\">";
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echo "</p>";
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echo '<div class="description">' . __('A list of fields to display. Presently these are API names, hence advanced field. Examples: title, body, topic, category, date_time, image, flyer, tags, offline:map') . '</div>';
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//
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// Cache expiry.
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//
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$field_id = esc_attr( $this->get_field_id( 'cache_expire' ) );
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$field_name = esc_attr( $this->get_field_name( 'cache_expire' ) );
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$field_label = esc_attr( 'Cache length:', 'squat-radar' );
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$field_value = empty( $instance['cache_expire'] ) ? 10800 : (int) $instance['cache_expire'];
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$field_class = 'widefat';
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echo "<p>";
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echo "<label for=\"$field_id\">$field_label</label>";
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echo "<select class=\"$field_class\" id=\"$field_id\" name=\"$field_name\">";
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echo '<option value="3600"' . selected( $field_value, 3600 ) . '>' . __('1 hour') . '</option>';
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echo '<option value="10800"' . selected( $field_value, 10800 ) . '>' . __('3 hours') . '</option>';
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echo '<option value="43200"' . selected( $field_value, 43200 ) . '>' . __('12 hours') . '</option>';
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echo "</select>";
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echo "</p>";
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echo '<div class="description">' . __('Length of time the cache of events will be kept. Longer faster, but updated less often.') . '</div>';
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echo '</fieldset>';
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}
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public function update( $new_instance, $old_instance ) {
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$options = [];
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$options['debug'] = $new_instance;
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if ( ! empty( $new_instance['title'] ) ) {
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$options['title'] = sanitize_text_field( $new_instance['title'] );
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}
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else {
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$options['title'] = '';
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}
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if ( ! empty($new_instance['url']) ) {
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$keys = $this->connector->decode_search_url($new_instance['url']);
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$options['url']['keys'] = $keys;
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$options['url']['value'] = $new_instance['url'];
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if (empty($keys)) {
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$options['url']['error'] = 'URL not recognised';
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}
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}
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else {
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$options['url'] = ['value' => '', 'keys' => []];
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}
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if ( ! empty($new_instance['fields']) ) {
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$matches = [];
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preg_match_all('/([a-zA-Z_:]+)/', $new_instance['fields'], $matches);
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$options['fields'] = $matches[0];
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}
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else {
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$options['fields'] = [];
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}
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if ( ! empty( $new_instance['limit'] ) ) {
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$options['limit'] = (int) $new_instance['limit'];
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}
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if ( ! empty( $new_instance['cache_expire'] ) ) {
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$options['cache_expire'] = (int) $new_instance['cache_expire'];
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}
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else {
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$options['cache_expire'] = 10800;
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}
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return $options;
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}
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}
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