1 files changed, 98 insertions, 0 deletions
diff --git a/engine/lib/upgrades/2011010101.php b/engine/lib/upgrades/2011010101.php
new file mode 100644
index 000000000..f4411ee20
--- /dev/null
+++ b/engine/lib/upgrades/2011010101.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * Migrate plugins to the new system using ElggPlugin and private settings
+ */
+
+$old_ia = elgg_set_ignore_access(true);
+
+$site = get_config('site');
+$old_plugin_order = unserialize($site->pluginorder);
+$old_enabled_plugins = $site->enabled_plugins;
+
+$db_prefix = get_config('dbprefix');
+$plugin_subtype_id = get_subtype_id('object', 'plugin');
+
+// easy one first: make sure the the site owns all plugin entities.
+$q = "UPDATE {$db_prefix}entities e
+	SET owner_guid = $site->guid, container_guid = $site->guid
+	WHERE e.type = 'object' AND e.subtype = $plugin_subtype_id";
+
+$r = update_data($q);
+
+// rewrite all plugin:setting:* to ELGG_PLUGIN_USER_SETTING_PREFIX . *
+$q = "UPDATE {$db_prefix}private_settings
+	SET name = replace(name, 'plugin:settings:', '" . ELGG_PLUGIN_USER_SETTING_PREFIX . "')
+	WHERE name LIKE 'plugin:settings:%'";
+
+$r = update_data($q);
+
+// grab current plugin GUIDs to add a temp priority
+$q = "SELECT * FROM {$db_prefix}entities e
+	JOIN {$db_prefix}objects_entity oe ON e.guid = oe.guid
+	WHERE e.type = 'object' AND e.subtype = $plugin_subtype_id";
+
+$plugins = get_data($q);
+
+foreach ($plugins as $plugin) {
+	$priority = elgg_namespace_plugin_private_setting('internal', 'priority');
+	set_private_setting($plugin->guid, $priority, 0);
+}
+
+// force regenerating plugin entities
+elgg_generate_plugin_entities();
+
+// set the priorities for all plugins
+// this function rewrites it to a normal index so use the current one.
+elgg_set_plugin_priorities($old_plugin_order);
+
+// add relationships for enabled plugins
+if ($old_enabled_plugins) {
+	// they might only have one plugin enabled.
+	if (!is_array($old_enabled_plugins)) {
+		$old_enabled_plugins = array($old_enabled_plugins);
+	}
+
+	// sometimes there were problems and you'd get 1000s of enabled plugins.
+	$old_enabled_plugins = array_unique($old_enabled_plugins);
+
+	foreach ($old_enabled_plugins as $plugin_id) {
+		$plugin = elgg_get_plugin_from_id($plugin_id);
+
+		if ($plugin) {
+			$plugin->activate();
+		}
+	}
+}
+
+// invalidate caches
+elgg_invalidate_simplecache();
+elgg_reset_system_cache();
+
+// clean up.
+remove_metadata($site->guid, 'pluginorder');
+remove_metadata($site->guid, 'enabled_plugins');
+
+elgg_set_ignore_access($old_id);
+
+/**
+ * @hack
+ *
+ * We stop the upgrade at this point because plugins weren't given the chance to
+ * load due to the new plugin code introduced with Elgg 1.8. Instead, we manually
+ * set the version and start the upgrade process again.
+ *
+ * The variables from upgrade_code() are available because this script was included
+ */
+if ($upgrade_version > $version) {
+	datalist_set('version', $upgrade_version);
+}
+
+// add ourselves to the processed_upgrades.
+$processed_upgrades[] = '2011010101.php';
+
+$processed_upgrades = array_unique($processed_upgrades);
+elgg_set_processed_upgrades($processed_upgrades);
+
+_elgg_upgrade_unlock();
+
+forward('upgrade.php');