Show the version number during update process.

Number is stored inside the data/last_update.txt file and shown if there
is an update script.

See https://github.com/FreshRSS/FreshRSS/issues/699

app/Controllers/updateController.php

@@ -1,8 +1,8 @@
 <?php
 
 class FreshRSS_update_Controller extends Minz_ActionController {
+
 	public function firstAction() {
-		$current_user = Minz_Session::param('currentUser', '');
 		if (!FreshRSS_Auth::hasAccess('admin')) {
 			Minz_Error::error(403);
 		}
@@ -12,8 +12,8 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 		$this->view->update_to_apply = false;
 		$this->view->last_update_time = 'unknown';
 		$this->view->check_last_hour = false;
-		$timestamp = (int)@file_get_contents(DATA_PATH . '/last_update.txt');
-		if (is_numeric($timestamp) && $timestamp > 0) {
+		$timestamp = @filemtime(join_path(DATA_PATH, 'last_update.txt'));
+		if ($timestamp !== false) {
 			$this->view->last_update_time = timestamptodate($timestamp);
 			$this->view->check_last_hour = (time() - 3600) <= $timestamp;
 		}
@@ -30,11 +30,12 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 			);
 		} elseif (file_exists(UPDATE_FILENAME)) {
 			// There is an update file to apply!
+			$version = file_get_contents(join_path(DATA_PATH, 'last_update.txt'));
 			$this->view->update_to_apply = true;
 			$this->view->message = array(
 				'status' => 'good',
 				'title' => _t('gen.short.ok'),
-				'body' => _t('feedback.update.can_apply')
+				'body' => _t('feedback.update.can_apply', $version)
 			);
 		}
 	}
@@ -82,13 +83,17 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 				'body' => _t('feedback.update.none')
 			);
 
-			@file_put_contents(DATA_PATH . '/last_update.txt', time());
+			@touch(join_path(DATA_PATH, 'last_update.txt'));
 
 			return;
 		}
 
 		$script = $res_array[1];
 		if (file_put_contents(UPDATE_FILENAME, $script) !== false) {
+			$version = explode(' ', $status, 2);
+			$version = $version[1];
+			@file_put_contents(join_path(DATA_PATH, 'last_update.txt'), $version);
+
 			Minz_Request::forward(array('c' => 'update'));
 		} else {
 			$this->view->message = array(
@@ -111,7 +116,7 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 
 			if ($res === true) {
 				@unlink(UPDATE_FILENAME);
-				@file_put_contents(DATA_PATH . '/last_update.txt', time());
+				@file_put_contents(join_path(DATA_PATH, 'last_update.txt'), '');
 				Minz_Request::good(_t('feedback.update.finished'));
 			} else {
 				Minz_Request::bad(_t('feedback.update.error', $res),

app/i18n/en/feedback.php

@@ -80,7 +80,7 @@ return array(
 		'purge_completed' => 'Purge completed (%d articles deleted)',
 	),
 	'update' => array(
-		'can_apply' => 'An update is available.',
+		'can_apply' => 'FreshRSS will be now updated to the <strong>version %s</strong>.',
 		'error' => 'The update process has encountered an error: %s',
 		'file_is_nok' => 'Check permissions on <em>%s</em> directory. HTTP server must have rights to write into',
 		'finished' => 'Update completed!',

app/i18n/fr/feedback.php

@@ -80,7 +80,7 @@ return array(
 		'purge_completed' => 'Purge effectuée (%d articles supprimés).',
 	),
 	'update' => array(
-		'can_apply' => 'Une mise à jour est disponible.',
+		'can_apply' => 'FreshRSS va maintenant être mis à jour vers la <strong>version %s</strong>.',
 		'error' => 'La mise à jour a rencontré un problème : %s',
 		'file_is_nok' => 'Veuillez vérifier les droits sur le répertoire <em>%s</em>. Le serveur HTTP doit être capable d’écrire dedans',
 		'finished' => 'La mise à jour est terminée !',