Isso comments plugin

Use Isso client to let visitors comments on permalinks

plugins/isso/isso.html

@@ -0,0 +1,14 @@
+<script data-isso="//%s"
+        data-isso-css="true"
+        data-isso-lang="en"
+        data-isso-reply-to-self="true"
+        data-isso-max-comments-top="20"
+        data-isso-max-comments-nested="5"
+        data-isso-reveal-on-click="5"
+        data-isso-avatar="true"
+        data-isso-avatar-bg="#f0f0f0"
+        data-isso-avatar-fg="#9abf88 #5698c4 #e279a3 #9163b6 ..."
+        data-isso-vote="true"
+        src="//%s/js/embed.min.js">
+</script>
+<section id="isso-thread" data-isso-id="%s" data-title="%s"></section>

plugins/isso/isso.meta

@@ -0,0 +1,3 @@
+description="Let visitor comment your shaares on permalinks with Isso."
+parameters="ISSO_SERVER"
+parameter.ISSO_SERVER="Isso server URL (without 'http://')"

plugins/isso/isso.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * Plugin Isso.
+ */
+
+$issoUrl = $conf->get('plugins.ISSO_SERVER');
+if (empty($issoUrl)) {
+    $GLOBALS['plugin_errors'][] = 'Isso plugin error: '.
+        'Please define the "ISSO_SERVER" setting in the plugin administration page.';
+}
+
+/**
+ * Render linklist hook.
+ * Will only display Isso comments on permalinks.
+ *
+ * @param $data array         List of links
+ * @param $conf ConfigManager instance
+ *
+ * @return mixed - linklist data with Isso plugin.
+ */
+function hook_isso_render_linklist($data, $conf)
+{
+    $issoUrl = $conf->get('plugins.ISSO_SERVER');
+    if (empty($issoUrl)) {
+        return $data;
+    }
+
+    // Only execute when linklist is rendered.
+    if (count($data['links']) == 1) {
+        $link = reset($data['links']);
+        $isso_html = file_get_contents(PluginManager::$PLUGINS_PATH . '/isso/isso.html');
+
+        $isso = sprintf($isso_html, $issoUrl, $issoUrl, $link['linkdate'], $link['linkdate']);
+        $data['plugin_end_zone'][] = $isso;
+    }
+
+    return $data;
+}