MDL-43784 theme: Removing all the old themes

lib/classes/plugin_manager.php

@@ -909,7 +909,9 @@ public static function is_deleted_standard_plugin($type, $name) {
             'qformat' => array('blackboard'),
             'enrol' => array('authorize'),
             'tool' => array('bloglevelupgrade'),
-            'theme' => array('mymobile'),
+            'theme' => array('mymobile', 'afterburner', 'anomaly', 'arialist', 'binarius', 'boxxie', 'brick', 'formal_white',
+                'formfactor', 'fusion', 'leatherbound', 'magazine', 'nimble', 'nonzero', 'overlay', 'serenity', 'sky_high',
+                'splash', 'standard', 'standardold'),
         );
 
         if (!isset($plugins[$type])) {
@@ -1111,11 +1113,7 @@ public static function standard_plugins_list($type) {
             ),
 
             'theme' => array(
-                'afterburner', 'anomaly', 'arialist', 'base', 'binarius', 'bootstrapbase',
-                'boxxie', 'brick', 'canvas', 'clean', 'formal_white', 'formfactor',
-                'fusion', 'leatherbound', 'magazine', 'nimble',
-                'nonzero', 'overlay', 'serenity', 'sky_high', 'splash',
-                'standard', 'standardold'
+                'base', 'bootstrapbase', 'canvas', 'clean'
             ),
 
             'tool' => array(

lib/db/upgrade.php

@@ -3183,5 +3183,50 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2014031400.04);
     }
 
+    if ($oldversion < 2014032000.01) {
+
+        // Removing the themes from core.
+        $themes = array('afterburner', 'anomaly', 'arialist', 'binarius', 'boxxie', 'brick', 'formal_white', 'formfactor',
+            'fusion', 'leatherbound', 'magazine', 'nimble', 'nonzero', 'overlay', 'serenity', 'sky_high', 'splash',
+            'standard', 'standardold');
+
+        foreach ($themes as $key => $theme) {
+            if (check_dir_exists($CFG->dirroot . '/theme/' . $theme, false)) {
+                // Ignore the themes that have been re-downloaded.
+                unset($themes[$key]);
+            }
+        }
+
+        list($insql, $inparams) = $DB->get_in_or_equal($themes, SQL_PARAMS_NAMED);
+
+        // Replace the theme usage.
+        $DB->set_field_select('course', 'theme', 'clean', "theme $insql", $inparams);
+        $DB->set_field_select('course_categories', 'theme', 'clean', "theme $insql", $inparams);
+        $DB->set_field_select('user', 'theme', 'clean', "theme $insql", $inparams);
+        $DB->set_field_select('mnet_host', 'theme', 'clean', "theme $insql", $inparams);
+
+        // Replace the theme configs.
+        if (in_array(get_config('core', 'theme'), $themes)) {
+            set_config('theme', 'clean');
+        }
+        if (in_array(get_config('core', 'thememobile'), $themes)) {
+            set_config('thememobile', 'clean');
+        }
+        if (in_array(get_config('core', 'themelegacy'), $themes)) {
+            set_config('themelegacy', 'clean');
+        }
+        if (in_array(get_config('core', 'themetablet'), $themes)) {
+            set_config('themetablet', 'clean');
+        }
+
+        // Hacky emulation of plugin uninstallation.
+        foreach ($themes as $theme) {
+            unset_all_config_for_plugin('theme_' . $theme);
+        }
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2014032000.01);
+    }
+
     return true;
 }

lib/setuplib.php

@@ -1261,7 +1261,7 @@ function disable_output_buffering() {
  */
 function redirect_if_major_upgrade_required() {
     global $CFG;
-    $lastmajordbchanges = 2014022600.00;
+    $lastmajordbchanges = 2014031900.00;
     if (empty($CFG->version) or (float)$CFG->version < $lastmajordbchanges or
             during_initial_install() or !empty($CFG->adminsetuppending)) {
         try {