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<?php |
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/** |
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* Handle comments data migration. |
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* |
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* @package UpStream\Migrations |
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*/ |
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|
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namespace UpStream\Migrations; |
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|
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// Prevent direct access. |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* This class transform all existent project comments into WordPress Comments. |
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* |
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* @since 1.13.0 |
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*/ |
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final class Comments_Migration { |
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|
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/** |
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* Run the migration if needed. |
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* |
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* @since 1.13.0 |
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* @static |
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*/ |
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public static function run() { |
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if ( ! self::is_migration_needed() ) { |
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return; |
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} |
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|
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$rowset = self::fetch_metas_rowset(); |
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if ( count( $rowset ) > 0 ) { |
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global $wpdb; |
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|
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foreach ( $rowset as $project_id => $legacy_comments ) { |
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foreach ( $legacy_comments as $legacy_comment ) { |
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if ( ! isset( $legacy_comment['created_by'] ) |
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|| ! isset( $legacy_comment['created_time'] ) |
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|| ! isset( $legacy_comment['comment'] ) |
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|| empty( $legacy_comment['comment'] ) |
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) { |
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continue; |
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} |
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|
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$user = get_user_by( 'id', $legacy_comment['created_by'] ); |
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|
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$date = \DateTime::createFromFormat( 'U', $legacy_comment['created_time'] ); |
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|
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$new_comment_data = array( |
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'comment_post_ID' => $project_id, |
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'comment_author' => $user->display_name, |
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'comment_author_email' => $user->user_email, |
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'comment_date_gmt' => $date->format( 'Y-m-d H:i:s' ), |
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'comment_content' => $legacy_comment['comment'], |
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'user_id' => $user->ID, |
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'comment_approved' => 1, |
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); |
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|
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$new_comment_data['comment_date'] = $date->format( 'Y-m-d H:i:s' ); |
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|
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$wpdb->insert( $wpdb->prefix . 'comments', $new_comment_data ); |
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|
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update_comment_meta( $wpdb->insert_id, 'type', 'project' ); |
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} |
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} |
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} |
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|
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update_option( 'upstream:migration.comments', 'yes' ); |
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} |
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|
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/** |
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* Check if migration is needed. |
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* |
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* @since 1.13.0 |
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* @access private |
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* @static |
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*/ |
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private static function is_migration_needed() { |
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return (string) get_option( 'upstream:migration.comments' ) !== 'yes'; |
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} |
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|
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/** |
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* Fetch all discussion metas from all projects. |
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* It returns an associative array with project ID as keys and a list of comments as values. |
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* |
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* @since 1.13.0 |
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* @access private |
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* @static |
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* |
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* @global $wpdb |
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* |
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* @return array |
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*/ |
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private static function fetch_metas_rowset() { |
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global $wpdb; |
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|
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$data = array(); |
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|
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// Fetch all existent discussion metas. |
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$metas_rowset = $wpdb->get_results( |
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' |
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SELECT `post_id`, `meta_key`, `meta_value` |
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FROM `' . $wpdb->prefix . 'postmeta` |
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WHERE `meta_key` = "_upstream_project_discussion"' |
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); |
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|
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if ( count( $metas_rowset ) > 0 ) { |
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foreach ( $metas_rowset as $meta ) { |
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$project_id = (int) $meta->post_id; |
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$meta_value = (array) maybe_unserialize( $meta->meta_value ); |
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|
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if ( ! empty( $meta_value ) ) { |
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$meta_value = isset( $meta_value[0] ) ? $meta_value[0] : $meta_value; |
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} |
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|
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if ( ! empty( $meta_value ) && is_array( $meta_value ) ) { |
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if ( ! isset( $data[ $project_id ] ) ) { |
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$data[ $project_id ] = array(); |
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} |
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|
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$data[ $project_id ][] = $meta_value; |
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} |
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} |
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} |
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|
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return $data; |
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} |
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} |
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|
