Properly decide on actual users if instance is too big

* state the reason why NC thinks it is a big instance

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

core/templates/update.use-cli.php

@@ -3,7 +3,7 @@
 		<h2 class="title"><?php p($l->t('Update needed')) ?></h2>
 		<div class="infogroup">
 			<?php if ($_['tooBig']) {
-				p($l->t('Please use the command line updater because you have a big instance.'));
+				p($l->t('Please use the command line updater because you have a big instance with more than 50 users.'));
 			} else {
 				p($l->t('Please use the command line updater because automatic updating is disabled in the config.php.'));
 			} ?><br><br>

lib/base.php

@@ -313,7 +313,29 @@ class OC {
 		$tooBig = false;
 		if (!$disableWebUpdater) {
 			$apps = \OC::$server->getAppManager();
-			$tooBig = $apps->isInstalled('user_ldap') || $apps->isInstalled('user_shibboleth');
+			$tooBig = false;
+			if ($apps->isInstalled('user_ldap')) {
+				$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+				$result = $qb->selectAlias($qb->createFunction('COUNT(*)'), 'user_count')
+					->from('ldap_user_mapping')
+					->execute();
+				$row = $result->fetch();
+				$result->closeCursor();
+
+				$tooBig = ($row['user_count'] > 50);
+			}
+			if (!$tooBig && $apps->isInstalled('user_saml')) {
+				$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
+
+				$result = $qb->selectAlias($qb->createFunction('COUNT(*)'), 'user_count')
+					->from('user_saml_users')
+					->execute();
+				$row = $result->fetch();
+				$result->closeCursor();
+
+				$tooBig = ($row['user_count'] > 50);
+			}
 			if (!$tooBig) {
 				// count users
 				$stats = \OC::$server->getUserManager()->countUsers();