Story Archive Pages

public function get_has_archive() {
    $archive_page_option = $this->settings->get_setting( $this->settings::SETTING_NAME_ARCHIVE );
    $has_archive         = true;
    
    if ( 'disabled' === $archive_page_option ) {
        $has_archive = false;
    } elseif ( 'custom' === $archive_page_option ) {
        $custom_archive_page_id = (int) $this->settings->get_setting( $this->settings::SETTING_NAME_ARCHIVE_PAGE_ID );
        if ( $custom_archive_page_id && 'publish' === get_post_status( $custom_archive_page_id ) ) {
            $uri = get_page_uri( $custom_archive_page_id );
            if ( $uri ) {
                $has_archive = urldecode( $uri );
            }
        }
    }
    
    return $has_archive;
}

public function pre_get_posts( WP_Query $query ): void {
    if ( ! \is_string( $this->story_post_type->get_has_archive() ) ) {
        return;
    }
    
    if ( $query->is_admin || ! $query->is_main_query() ) {
        return;
    }
    
    if ( ! $query->is_post_type_archive( $this->story_post_type->get_slug() ) ) {
        return;
    }
    
    $custom_archive_page_id = (int) $this->settings->get_setting( $this->settings::SETTING_NAME_ARCHIVE_PAGE_ID );
    
    $query->set( 'page_id', $custom_archive_page_id );
    $query->set( 'post_type', 'page' );
    $query->is_post_type_archive = false;
    $query->is_archive           = false;
    $query->is_singular          = true;
    $query->is_page              = true;
}

public function redirect_post_type_archive_urls( $bypass, WP_Query $query ) {
    global $wp_rewrite;
    
    if ( $bypass || ! \is_string( $this->story_post_type->get_has_archive() ) || ( ! $wp_rewrite instanceof WP_Rewrite || ! $wp_rewrite->using_permalinks() ) ) {
        return $bypass;
    }
    
    // 'pagename' is for most permalink types, 'name' is for when %postname% is used as top-level.
    if ( $this->story_post_type::REWRITE_SLUG === $query->get( 'pagename' ) || $this->story_post_type::REWRITE_SLUG === $query->get( 'name' ) ) {
        $redirect_url = get_post_type_archive_link( $this->story_post_type->get_slug() );
        
        if ( $redirect_url && wp_safe_redirect( $redirect_url, 301 ) ) {
            exit;
        }
    }
    
    return $bypass;
}

public function filter_display_post_states( $post_states, ?WP_Post $post ) {
    if ( ! \is_array( $post_states ) || ! $post ) {
        return $post_states;
    }
    
    if ( ! \is_string( $this->story_post_type->get_has_archive() ) ) {
        return $post_states;
    }
    
    $custom_archive_page_id = (int) $this->settings->get_setting( $this->settings::SETTING_NAME_ARCHIVE_PAGE_ID );
    
    if ( $post->ID === $custom_archive_page_id ) {
        $post_states['web_stories_archive_page'] = __( 'Web Stories Archive Page', 'web-stories' );
    }
    
    return $post_states;
}

public function on_remove_archive_page( int $postid ): void {
    if ( 'page' !== get_post_type( $postid ) ) {
        return;
    }
    
    $custom_archive_page_id = (int) $this->settings->get_setting( $this->settings::SETTING_NAME_ARCHIVE_PAGE_ID );
    
    if ( $custom_archive_page_id !== $postid ) {
        return;
    }
    
    $this->settings->update_setting( $this->settings::SETTING_NAME_ARCHIVE, 'default' );
    $this->settings->update_setting( $this->settings::SETTING_NAME_ARCHIVE_PAGE_ID, 0 );
}

public function update_archive_setting(): void {
    $this->story_post_type->unregister_post_type();
    $this->story_post_type->register_post_type();
    
    if ( ! \defined( '\WPCOM_IS_VIP_ENV' ) || false === \WPCOM_IS_VIP_ENV ) {
        flush_rewrite_rules( false );
    }
}