WP_MS_Themes_List_Table::prepare_items()


Source Source

File: wp-admin/includes/class-wp-ms-themes-list-table.php

	public function prepare_items() {
		global $status, $totals, $page, $orderby, $order, $s;

		wp_reset_vars( array( 'orderby', 'order', 's' ) );

		$themes = array(
			/**
			 * Filters the full array of WP_Theme objects to list in the Multisite
			 * themes list table.
			 *
			 * @since 3.1.0
			 *
			 * @param WP_Theme[] $all Array of WP_Theme objects to display in the list table.
			 */
			'all'      => apply_filters( 'all_themes', wp_get_themes() ),
			'search'   => array(),
			'enabled'  => array(),
			'disabled' => array(),
			'upgrade'  => array(),
			'broken'   => $this->is_site_themes ? array() : wp_get_themes( array( 'errors' => true ) ),
		);

		if ( $this->show_autoupdates ) {
			$auto_updates = (array) get_site_option( 'auto_update_themes', array() );

			$themes['auto-update-enabled']  = array();
			$themes['auto-update-disabled'] = array();
		}

		if ( $this->is_site_themes ) {
			$themes_per_page = $this->get_items_per_page( 'site_themes_network_per_page' );
			$allowed_where   = 'site';
		} else {
			$themes_per_page = $this->get_items_per_page( 'themes_network_per_page' );
			$allowed_where   = 'network';
		}

		$current      = get_site_transient( 'update_themes' );
		$maybe_update = current_user_can( 'update_themes' ) && ! $this->is_site_themes && $current;

		foreach ( (array) $themes['all'] as $key => $theme ) {
			if ( $this->is_site_themes && $theme->is_allowed( 'network' ) ) {
				unset( $themes['all'][ $key ] );
				continue;
			}

			if ( $maybe_update && isset( $current->response[ $key ] ) ) {
				$themes['all'][ $key ]->update = true;
				$themes['upgrade'][ $key ]     = $themes['all'][ $key ];
			}

			$filter                    = $theme->is_allowed( $allowed_where, $this->site_id ) ? 'enabled' : 'disabled';
			$themes[ $filter ][ $key ] = $themes['all'][ $key ];

			$theme_data = array(
				'update_supported' => isset( $theme->update_supported ) ? $theme->update_supported : true,
			);

			// Extra info if known. array_merge() ensures $theme_data has precedence if keys collide.
			if ( isset( $current->response[ $key ] ) ) {
				$theme_data = array_merge( (array) $current->response[ $key ], $theme_data );
			} elseif ( isset( $current->no_update[ $key ] ) ) {
				$theme_data = array_merge( (array) $current->no_update[ $key ], $theme_data );
			} else {
				$theme_data['update_supported'] = false;
			}

			$theme->update_supported = $theme_data['update_supported'];

			/*
			 * Create the expected payload for the auto_update_theme filter, this is the same data
			 * as contained within $updates or $no_updates but used when the Theme is not known.
			 */
			$filter_payload = array(
				'theme'        => $key,
				'new_version'  => '',
				'url'          => '',
				'package'      => '',
				'requires'     => '',
				'requires_php' => '',
			);

			$filter_payload = array_merge( $filter_payload, array_intersect_key( $theme_data, $filter_payload ) );

			$type = 'theme';
			/** This filter is documented in wp-admin/includes/class-wp-automatic-updater.php */
			$auto_update_forced = apply_filters( "auto_update_{$type}", null, (object) $filter_payload );

			if ( ! is_null( $auto_update_forced ) ) {
				$theme->auto_update_forced = $auto_update_forced;
			}

			if ( $this->show_autoupdates ) {
				$enabled = in_array( $key, $auto_updates, true ) && $theme->update_supported;
				if ( isset( $theme->auto_update_forced ) ) {
					$enabled = (bool) $theme->auto_update_forced;
				}

				if ( $enabled ) {
					$themes['auto-update-enabled'][ $key ] = $theme;
				} else {
					$themes['auto-update-disabled'][ $key ] = $theme;
				}
			}
		}

		if ( $s ) {
			$status           = 'search';
			$themes['search'] = array_filter( array_merge( $themes['all'], $themes['broken'] ), array( $this, '_search_callback' ) );
		}

		$totals = array();
		foreach ( $themes as $type => $list ) {
			$totals[ $type ] = count( $list );
		}

		if ( empty( $themes[ $status ] ) && ! in_array( $status, array( 'all', 'search' ), true ) ) {
			$status = 'all';
		}

		$this->items = $themes[ $status ];
		WP_Theme::sort_by_name( $this->items );

		$this->has_items = ! empty( $themes['all'] );
		$total_this_page = $totals[ $status ];

		wp_localize_script(
			'updates',
			'_wpUpdatesItemCounts',
			array(
				'themes' => $totals,
				'totals' => wp_get_update_data(),
			)
		);

		if ( $orderby ) {
			$orderby = ucfirst( $orderby );
			$order   = strtoupper( $order );

			if ( 'Name' === $orderby ) {
				if ( 'ASC' === $order ) {
					$this->items = array_reverse( $this->items );
				}
			} else {
				uasort( $this->items, array( $this, '_order_callback' ) );
			}
		}

		$start = ( $page - 1 ) * $themes_per_page;

		if ( $total_this_page > $themes_per_page ) {
			$this->items = array_slice( $this->items, $start, $themes_per_page, true );
		}

		$this->set_pagination_args(
			array(
				'total_items' => $total_this_page,
				'per_page'    => $themes_per_page,
			)
		);
	}


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