MDL-30404 Ability to manually purge string caches from the language packs import...

diff --git a/admin/tool/langimport/index.php b/admin/tool/langimport/index.php
index 964c64c..80d8829 100644 (file)
--- a/admin/tool/langimport/index.php
+++ b/admin/tool/langimport/index.php
@@ -35,17 +35,29 @@ require_once($CFG->libdir.'/componentlib.class.php');
 
 admin_externalpage_setup('toollangimport');
 
-if (!empty($CFG->skiplangupgrade)) {
-    echo $OUTPUT->header();
-    echo $OUTPUT->box(get_string('langimportdisabled', 'tool_langimport'));
-    echo $OUTPUT->footer();
-    die;
+if (empty($CFG->langotherroot)) {
+    throw new moodle_exception('missingcfglangotherroot', 'tool_langimport');
 }
 
 $mode          = optional_param('mode', 0, PARAM_INT);              // action
 $pack          = optional_param_array('pack', array(), PARAM_SAFEDIR);    // pack to install
 $uninstalllang = optional_param('uninstalllang', '', PARAM_LANG);   // installed pack to uninstall
 $confirm       = optional_param('confirm', 0, PARAM_BOOL);          // uninstallation confirmation
+$purgecaches   = optional_param('purgecaches', false, PARAM_BOOL);  // explicit caches reset
+
+if ($purgecaches) {
+    require_sesskey();
+    get_string_manager()->reset_caches();
+    redirect($PAGE->url);
+}
+
+if (!empty($CFG->skiplangupgrade)) {
+    echo $OUTPUT->header();
+    echo $OUTPUT->box(get_string('langimportdisabled', 'tool_langimport'));
+    echo $OUTPUT->single_button(new moodle_url($PAGE->url, array('purgecaches' => 1)), get_string('purgestringcaches', 'tool_langimport'));
+    echo $OUTPUT->footer();
+    die;
+}
 
 define('INSTALLATION_OF_SELECTED_LANG', 2);
 define('DELETION_OF_SELECTED_LANG', 4);

diff --git a/admin/tool/langimport/lang/en/tool_langimport.php b/admin/tool/langimport/lang/en/tool_langimport.php
index e2fbf51..a5ead16 100644 (file)
--- a/admin/tool/langimport/lang/en/tool_langimport.php
+++ b/admin/tool/langimport/lang/en/tool_langimport.php
@@ -26,15 +26,17 @@
 $string['install'] = 'Install selected language pack';
 $string['installedlangs'] = 'Installed language packs';
 $string['langimport'] = 'Language import utility';
-$string['langimportdisabled'] = 'Language import feature has been disabled. You have to update your language packs manually at the file-system level.';
+$string['langimportdisabled'] = 'Language import feature has been disabled. You have to update your language packs manually at the file-system level. Do not forget to purge string caches after you do so.';
 $string['langpackinstalled'] = 'Language pack {$a} was successfully installed';
 $string['langpackremoved'] = 'Language pack was uninstalled';
 $string['langpackupdateskipped'] = 'Update of {$a} language pack skipped';
 $string['langpackuptodate'] = 'Language pack {$a} is up-to-date';
 $string['langupdatecomplete'] = 'Language pack update completed';
+$string['missingcfglangotherroot'] = 'Missing configuration value $CFG->langotherroot';
 $string['missinglangparent'] = 'Missing parent language <em>{$a->parent}</em> of <em>{$a->lang}</em>.';
 $string['nolangupdateneeded'] = 'All your language packs are up to date, no update is needed';
 $string['pluginname'] = 'Language packs';
+$string['purgestringcaches'] = 'Purge string caches';
 $string['remotelangnotavailable'] = 'Because Moodle can not connect to download.moodle.org, we are unable to do language pack installation automatically. Please download the appropriate zip file(s) from http://download.moodle.org, copy them to your {$a} directory and unzip them manually.';
 $string['uninstall'] = 'Uninstall selected language pack';
 $string['uninstallconfirm'] = 'You are about to completely uninstall language pack {$a}, are you sure?';