6 files changed, 55 insertions, 10 deletions

diff --git a/assets/default/js/base.js b/assets/default/js/base.js
index 8bf79d3e..1b8d8c36 100644
--- a/assets/default/js/base.js
+++ b/assets/default/js/base.js
@@ -548,7 +548,7 @@ function init(description) {
       event.preventDefault();
       const block = findParent(event.target, 'div', { class: 'tag-list-item' });
       const tag = block.getAttribute('data-tag');
-      const refreshedToken = document.getElementById('token');
+      const refreshedToken = document.getElementById('token').value;
 
       if (confirm(`Are you sure you want to delete the tag "${tag}"?`)) {
         const xhr = new XMLHttpRequest();
diff --git a/index.php b/index.php
index 8f6ee50a..0ef33633 100644
--- a/index.php
+++ b/index.php
@@ -1084,7 +1084,8 @@ function renderPage($conf, $pluginManager, $LINKSDB, $history, $sessionManager,
             die(t('Wrong token.'));
         }
 
-        $alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), escape($_POST['totag']));
+        $toTag = isset($_POST['totag']) ? escape($_POST['totag']) : null;
+        $alteredLinks = $LINKSDB->renameTag(escape($_POST['fromtag']), $toTag);
         $LINKSDB->save($conf->get('resource.page_cache'));
         foreach ($alteredLinks as $link) {
             $history->updateLink($link);
@@ -1858,6 +1859,7 @@ $app->group('/api/v1', function() {
 })->add('\Shaarli\Api\ApiMiddleware');
 
 $response = $app->run(true);
+
 // Hack to make Slim and Shaarli router work together:
 // If a Slim route isn't found and NOT API call, we call renderPage().
 if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v1') === false) {
@@ -1865,5 +1867,12 @@ if ($response->getStatusCode() == 404 && strpos($_SERVER['REQUEST_URI'], '/api/v
     header('Content-Type: text/html; charset=utf-8');
     renderPage($conf, $pluginManager, $linkDb, $history, $sessionManager, $loginManager);
 } else {
+    $response = $response
+        ->withHeader('Access-Control-Allow-Origin', '*')
+        ->withHeader(
+            'Access-Control-Allow-Headers',
+            'X-Requested-With, Content-Type, Accept, Origin, Authorization'
+        )
+        ->withHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
     $app->respond($response);
 }
diff --git a/plugins/isso/comment.png b/plugins/isso/comment.png
new file mode 100644
index 00000000..0158c03b
--- /dev/null
+++ b/plugins/isso/comment.png
diff --git a/plugins/isso/isso.php b/plugins/isso/isso.php
index 5bc1cce2..378c11af 100644
--- a/plugins/isso/isso.php
+++ b/plugins/isso/isso.php
@@ -46,9 +46,36 @@ function hook_isso_render_linklist($data, $conf)
 
         $isso = sprintf($issoHtml, $issoUrl, $issoUrl, $link['id'], $link['id']);
         $data['plugin_end_zone'][] = $isso;
+    } else {
+        $button = '<span><a href="?%s#isso-thread">';
+        // For the default theme we use a FontAwesome icon which is better than an image
+        if ($conf->get('resource.theme') === 'default') {
+            $button .= '<i class="linklist-plugin-icon fa fa-comment"></i>';
+        } else {
+            $button .= '<img class="linklist-plugin-icon" src="plugins/isso/comment.png" ';
+            $button .= 'title="Comment on this shaare" alt="Comments" />';
+        }
+        $button .= '</a></span>';
+        foreach ($data['links'] as &$value) {
+            $commentLink = sprintf($button, $value['shorturl']);
+            $value['link_plugin'][] = $commentLink;
+        }
+    }
 
-        // Hackish way to include this CSS file only when necessary.
-        $data['plugins_includes']['css_files'][] = PluginManager::$PLUGINS_PATH . '/isso/isso.css';
+    return $data;
+}
+
+/**
+ * When linklist is displayed, include isso CSS file.
+ *
+ * @param array $data - header data.
+ *
+ * @return mixed - header data with isso CSS file added.
+ */
+function hook_isso_render_includes($data)
+{
+    if ($data['_PAGE_'] == Router::$PAGE_LINKLIST) {
+        $data['css_files'][] = PluginManager::$PLUGINS_PATH . '/isso/isso.css';
     }
 
     return $data;
diff --git a/plugins/isso/isso_button.html b/plugins/isso/isso_button.html
new file mode 100644
index 00000000..3f828480
--- /dev/null
+++ b/plugins/isso/isso_button.html
@@ -0,0 +1,5 @@
+<span>
+  <a href="?%s#isso-thread">
+    <img class="linklist-plugin-icon" src="plugins/archiveorg/internetarchive.png" title="%s" alt="archive.org" />
+  </a>
+</span>
diff --git a/tests/plugins/PluginIssoTest.php b/tests/plugins/PluginIssoTest.php
index 0ae73183..2c9efbcd 100644
--- a/tests/plugins/PluginIssoTest.php
+++ b/tests/plugins/PluginIssoTest.php
@@ -21,7 +21,7 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
     /**
      * Test Isso init without errors.
      */
-    public function testWallabagInitNoError()
+    public function testIssoInitNoError()
     {
         $conf = new ConfigManager('');
         $conf->set('plugins.ISSO_SERVER', 'value');
@@ -32,7 +32,7 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
     /**
      * Test Isso init with errors.
      */
-    public function testWallabagInitError()
+    public function testIssoInitError()
     {
         $conf = new ConfigManager('');
         $errors = isso_init($conf);
@@ -96,19 +96,22 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
                 array(
                     'id' => 12,
                     'url' => $str,
+                    'shorturl' => $short1 = 'abcd',
                     'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date1),
                 ),
                 array(
                     'id' => 13,
                     'url' => $str . '2',
+                    'shorturl' => $short2 = 'efgh',
                     'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date2),
                 ),
             )
         );
 
         $processed = hook_isso_render_linklist($data, $conf);
-        // data shouldn't be altered
-        $this->assertEquals($data, $processed);
+        // link_plugin should be added for the icon
+        $this->assertContains('<a href="?'. $short1 .'#isso-thread">', $processed['links'][0]['link_plugin'][0]);
+        $this->assertContains('<a href="?'. $short2 .'#isso-thread">', $processed['links'][1]['link_plugin'][0]);
     }
 
     /**
@@ -127,6 +130,7 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
                 array(
                     'id' => 12,
                     'url' => $str,
+                    'shorturl' => $short1 = 'abcd',
                     'created' => DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $date),
                 )
             ),
@@ -135,8 +139,8 @@ class PluginIssoTest extends PHPUnit_Framework_TestCase
 
         $processed = hook_isso_render_linklist($data, $conf);
 
-        // data shouldn't be altered
-        $this->assertEquals($data, $processed);
+        // link_plugin should be added for the icon
+        $this->assertContains('<a href="?'. $short1 .'#isso-thread">', $processed['links'][0]['link_plugin'][0]);
     }
 
     /**