replace janah migration

<?php
/**
 * @author Jegtheme
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

if ( ! class_exists( 'JNews_Migration_Jannah' ) ) {
    class JNews_Migration_Jannah {

        /**
         * @var JNews_Migration_Jannah
         */
        private static $instance;

        /**
         * @var array
         */
        private $rating;

        /**
         * @return JNews_Migration_Jannah
         */
        public static function getInstance() {
            if ( null === static::$instance ) {
                static::$instance = new static();
            }
            return static::$instance;
        }

        /**
         * JNews_Migration_Jannah constructor
         */
        private function __construct() {
            add_action( 'wp_ajax_jnews_content_migration_jannah', array( $this, 'content_migration' ) );
            add_action( 'wp_ajax_nopriv_jnews_content_migration_jannah', array( $this, 'content_migration' ) );

            add_filter( 'jnews_get_total_view', array( $this, 'get_total_view' ), 99, 2 );
        }

        public function get_total_view( $total, $post_id ) {
            $data = get_post_meta( $post_id, 'tie_views', true );

            if ( ! empty( $data ) ) {
                $total = $total + (int) $data;
            }

            return $total;
        }

        /**
         * Main function for content migration
         *
         * @param bool $count ( set true if you want to return the number of post only ).
         * @param bool $raw Raw mode.
         *
         * @return null|array
         */
        public function content_migration( $count = false, $raw = false ) {
            $posts               = get_posts( $this->build_args( $count ) );
            $check_admin_referer = false;

            if ( $count ) {
                return count( $posts );
            }

            if ( ! $raw ) {
                $check_admin_referer = check_admin_referer( 'jnews_migration_jannah', 'nonce' );
            } else {
                $check_admin_referer = true;
            }

            if ( ! empty( $posts ) && is_array( $posts ) && $check_admin_referer ) {
                foreach ( $posts as $post ) {
                    $review   = get_post_meta( $post->ID, 'taq_review_position', true );
                    $featured = get_post_meta( $post->ID, 'tie_post_head', true );
                    $subtitle = get_post_meta( $post->ID, 'tie_post_sub_title', true );

                    if ( ! empty( $review ) ) {
                        $this->review_migration_handler( $post->ID );
                    }

                    if ( 'video' === $featured ) {
                        $this->video_migration_handler( $post->ID );
                    }

                    if ( ! empty( $subtitle ) ) {
                        update_post_meta( $post->ID, 'post_subtitle', $subtitle );
                    }

                    if ( $raw ) {
                        return $this->after_migration( $post, $raw );
                    } else {
                        $this->after_migration( $post, $raw );
                    }
                }
            }
            if ( $raw ) {
                return array();
            }
        }

        /**
         * Handler function for video featured post migration
         *
         * @param  int $post_id
         */
        public function video_migration_handler( $post_id ) {
            $embed  = get_post_meta( $post_id, 'tie_embed_code', true );
            $url    = get_post_meta( $post_id, 'tie_video_url', true );
            $hosted = get_post_meta( $post_id, 'tie_video_self', true );

            set_post_format( $post_id, 'video' );

            if ( ! empty( $embed ) ) {
                update_post_meta( $post_id, '_format_video_embed', $embed );
            }

            if ( ! empty( $url ) ) {
                update_post_meta( $post_id, '_format_video_embed', $url );
            }

            if ( ! empty( $hosted ) ) {
                update_post_meta( $post_id, '_format_video_embed', $hosted );
            }
        }

        /**
         * Handler function for review post migration
         *
         * @param  int $post_id
         */
        public function review_migration_handler( $post_id ) {
            update_post_meta( $post_id, 'enable_review', true );

            update_post_meta( $post_id, 'name', $this->get_name( $post_id ) );

            update_post_meta( $post_id, 'type', $this->get_type( $post_id ) );

            update_post_meta( $post_id, 'rating', $this->get_rating( $post_id ) );

            update_post_meta( $post_id, 'jnew_rating_mean', $this->get_mean( $post_id ) );

            update_post_meta( $post_id, 'summary', $this->get_summary( $post_id ) );

            update_post_meta( $post_id, 'jnews_review_fields', array( 'enable_review', 'name', 'type', 'summary', 'rating' ) );
        }

        /**
         * Get review name
         *
         * @param  int $post_id
         *
         * @return string
         */
        public function get_name( $post_id ) {
            return get_post_meta( $post_id, 'taq_review_title', true );
        }

        /**
         * Get review summary
         *
         * @param  int $post_id
         *
         * @return string
         */
        public function get_summary( $post_id ) {
            return get_post_meta( $post_id, 'taq_review_summary', true );
        }

        /**
         * Get review type
         *
         * @param  int $post_id
         *
         * @return string
         */
        public function get_type( $post_id ) {
            $type = get_post_meta( $post_id, 'taq_review_style', true );

            if ( ! empty( $type ) ) {
                switch ( $type ) {
                    case 'points':
                        $type = 'point';
                        break;

                    case 'stars':
                        $type = 'star';
                        break;

                    case 'percentage':
                        $type = 'percentage';
                        break;
                }
            }

            return $type;
        }

        /**
         * Get review rating
         *
         * @param  int $post_id
         *
         * @return array
         */
        public function get_rating( $post_id ) {
            $result  = array();
            $ratings = get_post_meta( $post_id, 'taq_review_criteria', true );

            if ( is_array( $ratings ) ) {
                foreach ( $ratings as $rating ) {
                    $result[] = array(
                        'rating_text'   => $rating['name'],
                        'rating_number' => (int) round( $rating['score'] / 10 ),
                    );
                }
            }

            $this->rating = $result;

            return $result;
        }

        /**
         * Get review mean
         *
         * @param  int $post_id
         *
         * @return float ( default null )
         */
        public function get_mean( $post_id ) {
            $ratings = $this->rating;

            $total = $numberofrating = 0;

            if ( is_array( $ratings ) ) {
                foreach ( $ratings as $rating ) {
                    if ( $rating['rating_number'] != 0 && ! empty( $rating['rating_text'] ) ) {
                        $total += $rating['rating_number'];
                        ++$numberofrating;
                    }
                }

                if ( $numberofrating > 0 ) {
                    $mean = $total / $numberofrating;
                    $mean = round( $mean, 1 );
                    return $mean;
                }
            }

            return null;
        }

        /**
         * Build query argument
         *
         * @param  boolean $count
         *
         * @return array
         */
        public function build_args( $count ) {
            $args = array(
                'post_type'      => 'post',
                'meta_query'     => array(
                    array(
                        'key'     => 'JNews_Migration_Jannah_status',
                        'compare' => 'NOT EXISTS',
                    ),
                    array(
                        'relation' => 'OR',
                        array(
                            'key'     => 'taq_review_position',
                            'value'   => false,
                            'compare' => '!=',
                        ),
                        array(
                            'key'     => 'tie_post_head',
                            'value'   => 'video',
                            'compare' => '=',
                        ),
                        array(
                            'key'     => 'tie_post_sub_title',
                            'compare' => 'EXISTS',
                        ),
                    ),
                ),
                'posts_per_page' => 500,
            );

            return $args;
        }

        /**
         * End migration action
         *
         * @param WP_Post $post Post Data.
         * @param boolean $raw Raw mode.
         *
         * @return null|array
         */
        public function after_migration( $post, $raw = false ) {
            update_post_meta( $post->ID, 'JNews_Migration_Jannah_status', true );

            if ( $raw ) {
                return $this->get_migration_response( $post, $raw );
            } else {
                $this->get_migration_response( $post, $raw );
            }
        }

        /**
         * Get migration response message.
         *
         * @param WP_Post $post Post Data.
         * @param boolean $raw Raw mode.
         *
         * @return null|array
         */
        public function get_migration_response( $post, $raw = false ) {
            if ( $raw ) {
                return array(
                    'title' => $post->post_title,
                    'url'   => esc_url( get_permalink( $post->ID ) ),
                );
            } else {
                wp_send_json(
                    array(
                        'status'  => 'success',
                        'message' => sprintf( __( 'Migration successful <strong>%1$s</strong> <a href="%2$s" target="_blank">view post</a>.', 'jnews-migration-jannah' ), $post->post_title, esc_url( get_permalink( $post->ID ) ) ),
                    )
                );
            }
        }

        /**
         * Check JNews Review Plugin status
         *
         * @return false | string
         */
        public function review_plugin_check() {
            $content_has_review = $this->content_has_review();

            if ( empty( $content_has_review ) ) {
                return false;
            }

            if ( ! function_exists( 'get_plugins' ) ) {
                require_once ABSPATH . '/wp-admin/includes/plugin.php';
            }

            if ( get_plugins( '/jnews-review' ) ) {
                if ( ! is_plugin_active( 'jnews-review/jnews-review.php' ) ) {
                    return 'activate';
                }
            } else {
                return 'install';
            }

            return false;
        }

        /**
         * Check if content has review post
         *
         * @return array
         */
        public function content_has_review() {
            $args = array(
                'post_type'      => 'post',
                'meta_query'     => array(
                    array(
                        'key'     => 'taq_review_position',
                        'value'   => false,
                        'compare' => '!=',
                    ),
                ),
                'posts_per_page' => -1,
            );

            $posts = get_posts( $args );

            return $posts;
        }
    }
}