AP_Questions_Widget()

class AP_Questions_Widget extends WP_Widget {

	/**
	 * Initialize the class.
	 */
	public function __construct() {
		parent::__construct(
			'ap_questions_widget',
			__( '(AnsPress) Questions', 'anspress-question-answer' ),
			array( 'description' => __( 'Shows list of question shorted by option.', 'anspress-question-answer' ) )
		);
	}

	/**
	 * Widget render
	 *
	 * @param array $args Arguments.
	 * @param array $instance Widget arguments.
	 * @return void
	 */
	public function widget( $args, $instance ) {
		$instance = wp_parse_args(
			$instance,
			array(
				'title'        => __( 'Questions', 'anspress-question-answer' ),
				'order_by'     => 'active',
				'limit'        => 5,
				'category_ids' => '',
			)
		);

		/**
		 * This filter is documented in widgets/question_stats.php
		 */
		$title = apply_filters( 'widget_title', $instance['title'] );

		$order_by     = $instance['order_by'];
		$limit        = $instance['limit'];
		$category_ids = $instance['category_ids'];

		if ( ! empty( $category_ids ) ) {
			$category_ids = explode( ',', str_replace( ' ', '', $category_ids ) );
		}

		echo wp_kses_post( $args['before_widget'] );
		if ( ! empty( $title ) ) {
			echo wp_kses_post( $args['before_title'] . $title . $args['after_title'] );
		}

		$question_args = array(
			'showposts'   => $limit,
			'ap_order_by' => $order_by,
			'paged'       => 1,
		);

		if ( is_array( $category_ids ) && count( $category_ids ) > 0 ) {
			$question_args['tax_query'][] = array(
				'taxonomy' => 'question_category',
				'field'    => 'term_id',
				'terms'    => $category_ids,
			);
		}

		anspress()->questions = ap_get_questions( $question_args );
		echo '<div class="ap-widget-inner">';
		ap_get_template_part( 'widgets/widget-questions' );
		echo '</div>';
		echo wp_kses_post( $args['after_widget'] );

		wp_reset_postdata();
	}

	/**
	 * Widget form.
	 *
	 * @param array $instance Form instance.
	 * @return string
	 */
	public function form( $instance ) {
		$title        = __( 'Questions', 'anspress-question-answer' );
		$order_by     = 'active';
		$limit        = 5;
		$category_ids = '';

		if ( isset( $instance['title'] ) ) {
			$title = $instance['title'];
		}

		if ( isset( $instance['order_by'] ) ) {
			$order_by = $instance['order_by'];
		}

		if ( isset( $instance['limit'] ) ) {
			$limit = $instance['limit'];
		}

		if ( isset( $instance['category_ids'] ) ) {
			$category_ids = $instance['category_ids'];
		}

		?>
		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_attr_e( 'Title:', 'anspress-question-answer' ); ?></label>
			<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
		</p>
		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'order_by' ) ); ?>"><?php esc_attr_e( 'Order by:', 'anspress-question-answer' ); ?></label>
			<select class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'order_by' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'order_by' ) ); ?>">
				<option <?php selected( $order_by, 'active' ); ?> value="active"><?php esc_attr_e( 'Active', 'anspress-question-answer' ); ?></option>
				<option <?php selected( $order_by, 'newest' ); ?> value="newest"><?php esc_attr_e( 'Newest', 'anspress-question-answer' ); ?></option>
				<option <?php selected( $order_by, 'voted' ); ?> value="voted"><?php esc_attr_e( 'Voted', 'anspress-question-answer' ); ?></option>
				<option <?php selected( $order_by, 'answers' ); ?> value="answers"><?php esc_attr_e( 'Answers', 'anspress-question-answer' ); ?></option>
				<option <?php selected( $order_by, 'unanswered' ); ?> value="unanswered"><?php esc_attr_e( 'Unanswered', 'anspress-question-answer' ); ?></option>
			</select>
		</p>
		<?php if ( taxonomy_exists( 'question_category' ) ) : ?>
			<p>
				<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_attr_e( 'Category IDs:', 'anspress-question-answer' ); ?></label>
				<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'category_ids' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'category_ids' ) ); ?>" type="text" value="<?php echo esc_attr( $category_ids ); ?>">
				<small><?php esc_attr_e( 'Comma separated AnsPress category ids', 'anspress-question-answer' ); ?></small>
			</p>
		<?php endif; ?>
		<p>
			<label for="<?php echo esc_attr( $this->get_field_id( 'limit' ) ); ?>"><?php esc_attr_e( 'Limit:', 'anspress-question-answer' ); ?></label>
			<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'limit' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'limit' ) ); ?>" type="text" value="<?php echo esc_attr( $limit ); ?>">
		</p>

		<?php

		return 'noform';
	}

	/**
	 * Update widget form.
	 *
	 * @param array $new_instance New data.
	 * @param array $old_instance Old data.
	 * @return array
	 */
	public function update( $new_instance, $old_instance ) {
		$instance = array();

		$instance['title']        = ( ! empty( $new_instance['title'] ) ) ? wp_strip_all_tags( $new_instance['title'] ) : '';
		$instance['avatar']       = ( ! empty( $new_instance['avatar'] ) ) ? wp_strip_all_tags( $new_instance['avatar'] ) : '';
		$instance['order_by']     = ( ! empty( $new_instance['order_by'] ) ) ? wp_strip_all_tags( $new_instance['order_by'] ) : '';
		$instance['limit']        = ( ! empty( $new_instance['limit'] ) ) ? wp_strip_all_tags( $new_instance['limit'] ) : 5;
		$instance['category_ids'] = ( ! empty( $new_instance['category_ids'] ) ) ? wp_strip_all_tags( $new_instance['category_ids'] ) : '';

		return $instance;
	}
}