<?php

/**

 * List Table API: WP_Plugins_List_Table class

 *

 * @package WordPress

 * @subpackage Administration

 * @since 3.1.0

 */

/**

 * Core class used to implement displaying installed plugins in a list table.

 *

 * @since 3.1.0

 * @access private

 *

 * @see WP_List_Table

 */

class WP_Plugins_List_Table extends WP_List_Table {

	/**

	 * Constructor.

	 *

	 * @since 3.1.0

	 *

	 * @see WP_List_Table::__construct() for more information on default arguments.

	 *

	 * @global string $status

	 * @global int    $page

	 *

	 * @param array $args An associative array of arguments.

	 */

	public function __construct( $args = array() ) {

		global $status, $page;

		$status = 'all';

			$status = $_REQUEST['plugin_status'];

		$page = $this->get_pagenum();

	}

	/**

	 * @return array

	 */

	protected function get_table_classes() {

		return array( 'widefat', $this->_args['plural'] );

	}

	/**

	 * @return bool

	 */

	public function ajax_user_can() {

	}

	/**

	 * @global string $status

	 * @global array  $plugins

	 * @global array  $totals

	 * @global int    $page

	 * @global string $orderby

	 * @global string $order

	 * @global string $s

	 */

	public function prepare_items() {

		global $status, $plugins, $totals, $page, $orderby, $order, $s;

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

		/**

		 * Filters the full array of plugins to list in the Plugins list table.

		 *

		 * @since 3.0.0

		 *

		 * @see get_plugins()

		 *

		 * @param array $all_plugins An array of plugins to display in the list table.

		 */

		$all_plugins = apply_filters( 'all_plugins', get_plugins() );

		$plugins = array(

			'all'                => $all_plugins,

			'search'             => array(),

			'active'             => array(),

			'inactive'           => array(),

			'recently_activated' => array(),

			'upgrade'            => array(),

			'mustuse'            => array(),

			'dropins'            => array(),

		);

		$screen = $this->screen;

		if ( ! is_multisite() || ( $screen->in_admin( 'network' ) && current_user_can( 'manage_network_plugins' ) ) ) {

			/**

			 * Filters whether to display the advanced plugins list table.

			 *

			 * There are two types of advanced plugins - must-use and drop-ins -

			 * which can be used in a single site or Multisite network.

			 *

			 * The $type parameter allows you to differentiate between the type of advanced

			 * plugins to filter the display of. Contexts include 'mustuse' and 'dropins'.

			 *

			 * @since 3.0.0

			 *

			 * @param bool   $show Whether to show the advanced plugins for the specified

			 *                     plugin type. Default true.

			 * @param string $type The plugin type. Accepts 'mustuse', 'dropins'.

			 */

			if ( apply_filters( 'show_advanced_plugins', true, 'mustuse' ) ) {

				$plugins['mustuse'] = get_mu_plugins();

			}

			/** This action is documented in wp-admin/includes/class-wp-plugins-list-table.php */

				$plugins['dropins'] = get_dropins();

			if ( current_user_can( 'update_plugins' ) ) {

				$current = get_site_transient( 'update_plugins' );

				foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) {

					if ( isset( $current->response[ $plugin_file ] ) ) {

						$plugins['all'][ $plugin_file ]['update'] = true;

					}

				}

			}

		}

		if ( ! $screen->in_admin( 'network' ) ) {

			$show = current_user_can( 'manage_network_plugins' );

			/**

			 * Filters whether to display network-active plugins alongside plugins active for the current site.

			 *

			 * This also controls the display of inactive network-only plugins (plugins with

			 * "Network: true" in the plugin header).

			 *

			 * Plugins cannot be network-activated or network-deactivated from this screen.

			 *

			 * @since 4.4.0

			 *

			 * @param bool $show Whether to show network-active plugins. Default is whether the current

			 *                   user can manage network plugins (ie. a Super Admin).

			 */

			$show_network_active = apply_filters( 'show_network_active_plugins', $show );

		}

		set_transient( 'plugin_slugs', array_keys( $plugins['all'] ), DAY_IN_SECONDS );

		if ( $screen->in_admin( 'network' ) ) {

			$recently_activated = get_site_option( 'recently_activated', array() );

		} else {

			$recently_activated = get_option( 'recently_activated', array() );

		}

		foreach ( $recently_activated as $key => $time ) {

			if ( $time + WEEK_IN_SECONDS < time() ) {

			}

		}

		if ( $screen->in_admin( 'network' ) ) {

			update_site_option( 'recently_activated', $recently_activated );

		} else {

			update_option( 'recently_activated', $recently_activated );

		}

		$plugin_info = get_site_transient( 'update_plugins' );

		foreach ( (array) $plugins['all'] as $plugin_file => $plugin_data ) {

			// Extra info if known. array_merge() ensures $plugin_data has precedence if keys collide.

			if ( isset( $plugin_info->response[ $plugin_file ] ) ) {

				// Make sure that $plugins['upgrade'] also receives the extra info since it is used on ?plugin_status=upgrade

				if ( isset( $plugins['upgrade'][ $plugin_file ] ) ) {

				}

			} elseif ( isset( $plugin_info->no_update[ $plugin_file ] ) ) {

				// Make sure that $plugins['upgrade'] also receives the extra info since it is used on ?plugin_status=upgrade

				if ( isset( $plugins['upgrade'][ $plugin_file ] ) ) {

				}

			}

			// Filter into individual sections

			if ( is_multisite() && ! $screen->in_admin( 'network' ) && is_network_only_plugin( $plugin_file ) && ! is_plugin_active( $plugin_file ) ) {

				if ( $show_network_active ) {

					// On the non-network screen, show inactive network-only plugins if allowed

					$plugins['inactive'][ $plugin_file ] = $plugin_data;

				} else {

					// On the non-network screen, filter out network-only plugins as long as they're not individually active

					unset( $plugins['all'][ $plugin_file ] );

				}

			} elseif ( ! $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) {

				if ( $show_network_active ) {

					// On the non-network screen, show network-active plugins if allowed

					$plugins['active'][ $plugin_file ] = $plugin_data;

				} else {

					// On the non-network screen, filter out network-active plugins

					unset( $plugins['all'][ $plugin_file ] );

				}

			} elseif ( ( ! $screen->in_admin( 'network' ) && is_plugin_active( $plugin_file ) )

				|| ( $screen->in_admin( 'network' ) && is_plugin_active_for_network( $plugin_file ) ) ) {

				// On the non-network screen, populate the active list with plugins that are individually activated

				// On the network-admin screen, populate the active list with plugins that are network activated

				$plugins['active'][ $plugin_file ] = $plugin_data;

			} else {

				if ( isset( $recently_activated[ $plugin_file ] ) ) {

					// Populate the recently activated list with plugins that have been recently activated

					$plugins['recently_activated'][ $plugin_file ] = $plugin_data;

				}

				// Populate the inactive list with plugins that aren't activated

				$plugins['inactive'][ $plugin_file ] = $plugin_data;

			}

		}

		if ( strlen( $s ) ) {

			$plugins['search'] = array_filter( $plugins['all'], array( $this, '_search_callback' ) );

		}

		$totals = array();

			$totals[ $type ] = count( $list );

			$status = 'all';

		$this->items = array();

		foreach ( $plugins[ $status ] as $plugin_file => $plugin_data ) {

			// Translate, Don't Apply Markup, Sanitize HTML

		}

		$total_this_page = $totals[ $status ];

		$js_plugins = array();

		foreach ( $plugins as $key => $list ) {

			$js_plugins[ $key ] = array_keys( (array) $list );

		}

		if ( ! $orderby ) {

			$orderby = 'Name';

		} else {

			$orderby = ucfirst( $orderby );

		}

		$order = strtoupper( $order );

		uasort( $this->items, array( $this, '_order_callback' ) );

		$plugins_per_page = $this->get_items_per_page( str_replace( '-', '_', $screen->id . '_per_page' ), 999 );

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

			$this->items = array_slice( $this->items, $start, $plugins_per_page );

	}

	/**

	 * @global string $s URL encoded search term.

	 *

	 * @param array $plugin

	 * @return bool

	 */

	public function _search_callback( $plugin ) {

		global $s;

		foreach ( $plugin as $value ) {

			if ( is_string( $value ) && false !== stripos( strip_tags( $value ), urldecode( $s ) ) ) {

				return true;

			}

		}

		return false;

	}

	/**

	 * @global string $orderby

	 * @global string $order

	 * @param array $plugin_a

	 * @param array $plugin_b

	 * @return int

	 */

	public function _order_callback( $plugin_a, $plugin_b ) {

		global $orderby, $order;

			return 0;

		if ( 'DESC' === $order ) {

			return strcasecmp( $b, $a );

		} else {

			return strcasecmp( $a, $b );

		}

	}

	/**

	 * @global array $plugins

	 */

	public function no_items() {

		global $plugins;

		if ( ! empty( $_REQUEST['s'] ) ) {

			$s = esc_html( wp_unslash( $_REQUEST['s'] ) );

			printf( __( 'No plugins found for “%s”.' ), $s );

			// We assume that somebody who can install plugins in multisite is experienced enough to not need this helper link.

			if ( ! is_multisite() && current_user_can( 'install_plugins' ) ) {

				echo ' <a href="' . esc_url( admin_url( 'plugin-install.php?tab=search&s=' . urlencode( $s ) ) ) . '">' . __( 'Search for plugins in the WordPress Plugin Directory.' ) . '</a>';

			}

			_e( 'No plugins found.' );

			_e( 'You do not appear to have any plugins available at this time.' );

	}

	/**

	 * Displays the search box.

	 *

	 * @since 4.6.0

	 *

	 * @param string $text     The 'submit' button label.

	 * @param string $input_id ID attribute value for the search input field.

	 */

	public function search_box( $text, $input_id ) {

		if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {

			return;

		}

		$input_id = $input_id . '-search-input';

		if ( ! empty( $_REQUEST['orderby'] ) ) {

			echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';

		}

		if ( ! empty( $_REQUEST['order'] ) ) {

			echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';

		}

		?>

		<p class="search-box">

			<label class="screen-reader-text" for="<?php echo esc_attr( $input_id ); ?>"><?php echo $text; ?>:</label>

			<input type="search" id="<?php echo esc_attr( $input_id ); ?>" class="wp-filter-search" name="s" value="<?php _admin_search_query(); ?>" placeholder="<?php esc_attr_e( 'Search installed plugins...' ); ?>"/>

			<?php submit_button( $text, 'hide-if-js', '', false, array( 'id' => 'search-submit' ) ); ?>

		</p>

		<?php

	}