lightspeeddevelopment/lsx-health-plan

<?php
namespace lsx_health_plan\classes\frontend;

/**
 * Holds the functionality to check and control your status with the current plan.
 *
 * @package lsx-health-plan
 */
class Plan_Query {

    /**
     * Holds class instance
     *
     * @since 1.0.0
     *
     * @var      object \lsx_health_plan\classes\frontend\Plan_Query()
     */
    protected static $instance = null;

    /**
     * Holds the sections for the current plan.
     *
     * @var array
     */
    public $sections = array();

    /**
     * Holds the variable true/false if the current plan has sections or not.
     *
     * @var array
     */
    public $has_sections = false;

    /**
     * Constructor
     */
    public function __construct() {
    }

    /**
     * Return an instance of this class.
     *
     * @since 1.0.0
     *
     * @return    object \lsx_health_plan\classes\frontend\Plan_Query()    A single instance of this class.
     */
    public static function get_instance() {
        // If the single instance hasn't been set, set it now.
        if ( null === self::$instance ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    /**
     * Undocumented function
     *
     * @return void
     */
    public function query_sections( $plan_id = '' ) {
        if ( '' === $plan_id ) {
            $plan_id = get_the_ID();
        }

        $section_array = get_post_meta( $plan_id, 'plan_sections', true );
        if ( ! empty( $section_array ) ) {
            $this->has_sections = true;
            $this->sections     = $section_array;
        }
        return $this->has_sections;
    }

    public function get_sections( $group = false ) {
        $sections = $this->sections;
        if ( false !== $group ) {
            $sections = $this->group_sections( $sections );
        }
        return $sections;
    }

    public function get_section_count() {
        return count( $this->sections );
    }

    /**
     * This will group the sections by their "Group" field.
     *
     * @param  array $sections
     * @return array
     */
    public function group_sections( $sections = array() ) {
        $groups = array();
        if ( ! empty( $sections ) ) {
            foreach ( $sections as $section_key => $section_values ) {
                $group_key = apply_filters( 'lsx_hp_default_plan_group', __( 'Daily Plan', 'lsx-health-plan' ) );
                if ( isset( $section_values['group'] ) && '' !== $section_values['group'] ) {
                    $group_key = $section_values['group'];
                }
                $group_key                            = sanitize_title( $group_key );
                $groups[ $group_key ][ $section_key ] = $section_values;
            }
        }
        return $groups;
    }
}