Message if last update checking is close

last_update.txt is updated even if there is no update
If last_update.txt has been modified during last hour, show a message

See https://github.com/marienfressinaud/FreshRSS/issues/480#issuecomment-55765373

app/Controllers/updateController.php

@@ -12,9 +12,11 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 
 		Minz_View::prependTitle(_t('update_system') . ' · ');
 		$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) {
 			$this->view->last_update_time = timestamptodate($timestamp);
+			$this->view->check_last_hour = (time() - 3600) <= $timestamp;
 		}
 	}
 
@@ -38,13 +40,10 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 	public function checkAction() {
 		$this->view->change_view('update', 'index');
 
-		// Get the last update. If already check during the last hour, do nothing.
-		$last_update = (int)@file_get_contents(DATA_PATH . '/last_update.txt');
-		$check_last_hour = (time() - 3600) <= $last_update;
-
-		if (file_exists(UPDATE_FILENAME) || $check_last_hour) {
+		if (file_exists(UPDATE_FILENAME) || $this->view->check_last_hour) {
 			// There is already an update file to apply: we don't need to check
 			// the webserver!
+			// Or if already check during the last hour, do nothing.
 			Minz_Request::forward(array('c' => 'update'));
 
 			return;
@@ -81,6 +80,8 @@ class FreshRSS_update_Controller extends Minz_ActionController {
 				'body' => _t('no_update')
 			);
 
+			@file_put_contents(DATA_PATH . '/last_update.txt', time());
+
 			return;
 		}
 

app/i18n/en.php

@@ -424,7 +424,7 @@ return array (
 	'update'			=> 'Update',
 	'update_system'			=> 'Update system',
 	'update_check'			=> 'Check for new updates',
-	'update_last'			=> 'Last update: %s',
+	'update_last'			=> 'Last verification: %s',
 	'update_can_apply'		=> 'There is an available update. <a class="btn" href="%s">Apply</a>',
 	'update_server_not_found'	=> 'Update server cannot be found. [%s]',
 	'no_update'			=> 'No update to apply',

app/i18n/fr.php

@@ -424,7 +424,7 @@ return array (
 	'update'			=> 'Mise à jour',
 	'update_system'			=> 'Système de mise à jour',
 	'update_check'			=> 'Vérifier les mises à jour',
-	'update_last'			=> 'Dernière mise à jour : %s',
+	'update_last'			=> 'Dernière vérification : %s',
 	'update_can_apply'		=> 'Il y’a une mise à jour à appliquer. <a class="btn" href="%s">Appliquer la mise à jour</a>',
 	'update_server_not_found'	=> 'Le serveur de mise à jour n’a pas été trouvé. [%s]',
 	'no_update'			=> 'Aucune mise à jour à appliquer',

app/views/update/index.phtml

@@ -5,17 +5,26 @@
 
 	<h1><?php echo _t('update_system'); ?></h1>
 
+	<p>
+		<?php echo _i('help'); ?> <?php echo _t('update_last', $this->last_update_time); ?>
+	</p>
+
 	<?php if (!empty($this->message)) { ?>
 	<p class="alert <?php echo $this->message['status'] === 'bad' ? 'alert-error' : 'alert-warn'; ?>">
 		<span class="alert-head"><?php echo $this->message['title']; ?></span>
 		<?php echo $this->message['body']; ?>
 	</p>
+	<?php } elseif ($this->check_last_hour) { ?>
+	<p class="alert alert-warn">
+		<span class="alert-head"><?php echo _t('damn'); ?></span>
+		<?php echo _t('no_update'); ?>
+	</p>
 	<?php } ?>
 
-	<?php if (empty($this->message) || $this->message['status'] !== 'good') { ?>
-	<p>
-		<?php echo _i('help'); ?> <?php echo _t('update_last', $this->last_update_time); ?>
-	</p>
+	<?php
+		if (!$this->check_last_hour &&
+				(empty($this->message) || $this->message['status'] !== 'good')) {
+	?>
 	<p>
 		<a href="<?php echo _url('update', 'check'); ?>" class="btn"><?php echo _t('update_check'); ?></a>
 	</p>