MDL-49329 admin: Use the new plugins management on Plugins overview page

The plugins overview page now uses the new plugins management features,
most notably the ability to install all available updates at once.

admin/plugins.php

@@ -18,15 +18,6 @@
 /**
  * UI for general plugins management
  *
- * Supported HTTP parameters:
- *
- *  ?fetchremote=1      - check for available updates
- *  ?updatesonly=1      - display plugins with available update only
- *  ?contribonly=1      - display non-standard add-ons only
- *  ?uninstall=foo_bar  - uninstall the given plugin
- *  ?delete=foo_bar     - delete the plugin folder (it must not be installed)
- *  &confirm=1          - confirm the uninstall or delete action
- *
  * @package    core
  * @subpackage admin
  * @copyright  2011 David Mudrak <[email protected]>
@@ -37,13 +28,17 @@ require_once(dirname(dirname(__FILE__)) . '/config.php');
 require_once($CFG->libdir . '/adminlib.php');
 require_once($CFG->libdir . '/filelib.php');
 
-$fetchremote = optional_param('fetchremote', false, PARAM_BOOL);
-$updatesonly = optional_param('updatesonly', false, PARAM_BOOL);
-$contribonly = optional_param('contribonly', false, PARAM_BOOL);
-$uninstall   = optional_param('uninstall', '', PARAM_COMPONENT);
-$delete      = optional_param('delete', '', PARAM_COMPONENT);
-$confirmed   = optional_param('confirm', false, PARAM_BOOL);
-$return      = optional_param('return', 'overview', PARAM_ALPHA);
+$fetchremote = optional_param('fetchremote', false, PARAM_BOOL); // Check for available plugins updates.
+$updatesonly = optional_param('updatesonly', false, PARAM_BOOL); // Show updateable plugins only.
+$contribonly = optional_param('contribonly', false, PARAM_BOOL); // Show additional plugins only.
+$uninstall = optional_param('uninstall', '', PARAM_COMPONENT); // Uninstall the plugin.
+$delete = optional_param('delete', '', PARAM_COMPONENT); // Delete the plugin folder after it is uninstalled.
+$confirmed = optional_param('confirm', false, PARAM_BOOL); // Confirm the uninstall/delete action.
+$return = optional_param('return', 'overview', PARAM_ALPHA); // Where to return after uninstall.
+$installupdate = optional_param('installupdate', null, PARAM_COMPONENT); // Install given available update.
+$installupdateversion = optional_param('installupdateversion', null, PARAM_INT); // Version of the available update to install.
+$installupdatex = optional_param('installupdatex', false, PARAM_BOOL); // Install all available plugin updates.
+$confirminstallupdate = optional_param('confirminstallupdate', false, PARAM_BOOL); // Available update(s) install confirmed?
 
 // NOTE: do not use admin_externalpage_setup() here because it loads
 //       full admin tree which is not possible during uninstallation.
@@ -52,15 +47,19 @@ require_login();
 $syscontext = context_system::instance();
 require_capability('moodle/site:config', $syscontext);
 
+// URL params we want to maintain on redirects.
+$pageparams = array('updatesonly' => $updatesonly, 'contribonly' => $contribonly);
+$pageurl = new moodle_url('/admin/plugins.php', $pageparams);
+
 $pluginman = core_plugin_manager::instance();
 
 if ($uninstall) {
     require_sesskey();
 
     if (!$confirmed) {
-        admin_externalpage_setup('pluginsoverview');
+        admin_externalpage_setup('pluginsoverview', '', $pageparams);
     } else {
-        $PAGE->set_url('/admin/plugins.php');
+        $PAGE->set_url($pageurl);
         $PAGE->set_context($syscontext);
         $PAGE->set_pagelayout('maintenance');
         $PAGE->set_popup_notification_allowed(false);
@@ -122,7 +121,7 @@ if ($uninstall) {
 if ($delete and $confirmed) {
     require_sesskey();
 
-    $PAGE->set_url('/admin/plugins.php');
+    $PAGE->set_url($pageurl);
     $PAGE->set_context($syscontext);
     $PAGE->set_pagelayout('maintenance');
     $PAGE->set_popup_notification_allowed(false);
@@ -173,35 +172,55 @@ if ($delete and $confirmed) {
     redirect(new moodle_url('/admin/index.php'));
 }
 
-admin_externalpage_setup('pluginsoverview');
+// Install all avilable updates.
+if ($installupdatex) {
+    require_once($CFG->libdir.'/upgradelib.php');
+    require_sesskey();
+
+    $PAGE->set_url($pageurl);
+    $PAGE->set_context($syscontext);
+    $PAGE->set_pagelayout('maintenance');
+    $PAGE->set_popup_notification_allowed(false);
+
+    $installable = $pluginman->filter_installable($pluginman->available_updates());
+    upgrade_install_remote_plugins($installable, $confirminstallupdate,
+        get_string('updateavailableinstallallhead', 'core_admin'),
+        new moodle_url($PAGE->url, array('installupdatex' => 1, 'confirminstallupdate' => 1))
+    );
+}
+
+// Install single available update.
+if ($installupdate and $installupdateversion) {
+    require_once($CFG->libdir.'/upgradelib.php');
+    require_sesskey();
+
+    $PAGE->set_url($pageurl);
+    $PAGE->set_context($syscontext);
+    $PAGE->set_pagelayout('maintenance');
+    $PAGE->set_popup_notification_allowed(false);
+
+    if ($pluginman->is_remote_plugin_installable($installupdate, $installupdateversion)) {
+        $installable = array($pluginman->get_remote_plugin_info($installupdate, $installupdateversion, true));
+        upgrade_install_remote_plugins($installable, $confirminstallupdate,
+            get_string('updateavailableinstallallhead', 'core_admin'),
+            new moodle_url($PAGE->url, array('installupdate' => $installupdate,
+                'installupdateversion' => $installupdateversion, 'confirminstallupdate' => 1)
+            )
+        );
+    }
+}
+
+admin_externalpage_setup('pluginsoverview', '', $pageparams);
 
 /** @var core_admin_renderer $output */
 $output = $PAGE->get_renderer('core', 'admin');
 
 $checker = \core\update\checker::instance();
 
-// Filtering options.
-$options = array(
-    'updatesonly' => $updatesonly,
-    'contribonly' => $contribonly,
-);
-
 if ($fetchremote) {
     require_sesskey();
     $checker->fetch();
-    redirect(new moodle_url($PAGE->url, $options));
+    redirect($PAGE->url);
 }
 
-$deployer = \core\update\deployer::instance();
-if ($deployer->enabled()) {
-    $myurl = new moodle_url($PAGE->url, array('updatesonly' => $updatesonly, 'contribonly' => $contribonly));
-    $deployer->initialize($myurl, new moodle_url('/admin'));
-
-    $deploydata = $deployer->submitted_data();
-    if (!empty($deploydata)) {
-        echo $output->upgrade_plugin_confirm_deploy_page($deployer, $deploydata);
-        die();
-    }
-}
-
-echo $output->plugin_management_page($pluginman, $checker, $options);
+echo $output->plugin_management_page($pluginman, $checker, $pageparams);