Display a message next to a feed when there is a parsing error

assets/css/app.css

@@ -398,6 +398,12 @@ nav .active a {
     font-weight: normal;
 }
 
+.feed-parsing-error {
+    color: #000;
+    font-size: 0.7em;
+    font-weight: normal;
+}
+
 /* items listing */
 .items article {
     border: 1px dotted #ddd;

locales/fr_FR/translations.php

@@ -1,6 +1,7 @@
 <?php
 
 return array(
+    '(error occurred during the last check)' => '(problème rencontré pendant la dernière vérification)',
     'The feed id is required' => 'L\'identifiant du flux est obligatoire',
     'The title is required' => 'Le titre est obligatoire',
     'The site url is required' => 'L\'URL du site web est obligatoire',

model.php

@@ -23,7 +23,7 @@ use PicoFeed\Reader;
 use PicoFeed\Export;
 
 
-const DB_VERSION     = 17;
+const DB_VERSION     = 18;
 const HTTP_USERAGENT = 'Miniflux - http://miniflux.net';
 const HTTP_FAKE_USERAGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.62 Safari/537.36';
 const LIMIT_ALL      = -1;
@@ -338,6 +338,8 @@ function update_feed($feed_id)
         }
     }
 
+    \PicoTools\singleton('db')->table('feeds')->eq('id', $feed_id)->save(array('parsing_error' => 1));
+
     write_debug();
 
     return false;

schema.php

@@ -3,6 +3,12 @@
 namespace Schema;
 
 
+function version_18($pdo)
+{
+    $pdo->exec('ALTER TABLE feeds ADD COLUMN parsing_error INTEGER DEFAULT 0');
+}
+
+
 function version_17($pdo)
 {
     $pdo->exec('ALTER TABLE config ADD COLUMN items_sorting_direction TEXT DEFAULT "desc"');

templates/feeds.php

@@ -29,8 +29,10 @@
                 <?php endif ?>
 
                 <a href="?action=feed-items&amp;feed_id=<?= $feed['id'] ?>" title="<?= t('Show only this subscription') ?>"><?= Helper\escape($feed['title']) ?></a>
-
                 <?php if ($feed['enabled']): ?>
+
+                    <br/>
+
                     <?php if ($feed['last_checked']): ?>
                         <time class="feed-last-checked" id="last-checked-feed-<?= $feed['id'] ?>" data-after-update="<?= t('updated just now') ?>">
                             <?= t('checked at').' '.dt('%e %B %Y %k:%M', $feed['last_checked']) ?>
@@ -40,6 +42,11 @@
                             <?= t('never updated after creation') ?>
                         </span>
                     <?php endif ?>
+
+                    <?php if ($feed['parsing_error']): ?>
+                        <span class="feed-parsing-error"><?= t('(error occurred during the last check)') ?></span>
+                    <?php endif ?>
+
                 <?php endif ?>
             </h2>
             <p>