17 files changed, 127 insertions, 27 deletions

diff --git a/application/PageBuilder.php b/application/PageBuilder.php
index 42932f32..32c7f9f1 100644
--- a/application/PageBuilder.php
+++ b/application/PageBuilder.php
@@ -77,9 +77,6 @@ class PageBuilder
         $this->tpl->assign('openshaarli', $this->conf->get('security.open_shaarli', false));
         $this->tpl->assign('showatom', $this->conf->get('feed.show_atom', false));
         $this->tpl->assign('hide_timestamps', $this->conf->get('privacy.hide_timestamps', false));
-        if (!empty($GLOBALS['plugin_errors'])) {
-            $this->tpl->assign('plugin_errors', $GLOBALS['plugin_errors']);
-        }
         $this->tpl->assign('token', getToken($this->conf));
         // To be removed with a proper theme configuration.
         $this->tpl->assign('conf', $this->conf);
diff --git a/application/PluginManager.php b/application/PluginManager.php
index 1e132a7f..59ece4fa 100644
--- a/application/PluginManager.php
+++ b/application/PluginManager.php
@@ -25,6 +25,11 @@ class PluginManager
     protected $conf;
 
     /**
+     * @var array List of plugin errors.
+     */
+    protected $errors;
+
+    /**
      * Plugins subdirectory.
      * @var string $PLUGINS_PATH
      */
@@ -44,6 +49,7 @@ class PluginManager
     public function __construct(&$conf)
     {
         $this->conf = $conf;
+        $this->errors = array();
     }
 
     /**
@@ -106,6 +112,7 @@ class PluginManager
 
     /**
      * Load a single plugin from its files.
+     * Call the init function if it exists, and collect errors.
      * Add them in $loadedPlugins if successful.
      *
      * @param string $dir        plugin's directory.
@@ -128,6 +135,14 @@ class PluginManager
         $conf = $this->conf;
         include_once $pluginFilePath;
 
+        $initFunction = $pluginName . '_init';
+        if (function_exists($initFunction)) {
+            $errors = call_user_func($initFunction, $this->conf);
+            if (!empty($errors)) {
+                $this->errors = array_merge($this->errors, $errors);
+            }
+        }
+
         $this->loadedPlugins[] = $pluginName;
     }
 
@@ -195,6 +210,16 @@ class PluginManager
 
         return $metaData;
     }
+
+    /**
+     * Return the list of encountered errors.
+     *
+     * @return array List of errors (empty array if none exists).
+     */
+    public function getErrors()
+    {
+        return $this->errors;
+    }
 }
 
 /**
diff --git a/index.php b/index.php
index 5bc13d49..f7e73bde 100644
--- a/index.php
+++ b/index.php
@@ -778,6 +778,7 @@ function renderPage($conf, $pluginManager)
     $PAGE = new PageBuilder($conf);
     $PAGE->assign('linkcount', count($LINKSDB));
     $PAGE->assign('privateLinkcount', count_private($LINKSDB));
+    $PAGE->assign('plugin_errors', $pluginManager->getErrors());
 
     // Determine which page will be rendered.
     $query = (isset($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : '';
diff --git a/plugins/demo_plugin/demo_plugin.php b/plugins/demo_plugin/demo_plugin.php
index 18834e53..7335c9d4 100644
--- a/plugins/demo_plugin/demo_plugin.php
+++ b/plugins/demo_plugin/demo_plugin.php
@@ -15,6 +15,23 @@
  */
 
 /**
+ * Initialization function.
+ * It will be called when the plugin is loaded.
+ * This function can be used to return a list of initialization errors.
+ *
+ * @param $conf ConfigManager instance.
+ *
+ * @return array List of errors (optional).
+ */
+function demo_plugin_init($conf)
+{
+    $conf->get('toto', 'nope');
+
+    $errors[] = 'This a demo init error.';
+    return $errors;
+}
+
+/**
  * Hook render_header.
  * Executed on every page redering.
  *
diff --git a/plugins/readityourself/readityourself.php b/plugins/readityourself/readityourself.php
index 4bfcf501..961c5bda 100644
--- a/plugins/readityourself/readityourself.php
+++ b/plugins/readityourself/readityourself.php
@@ -8,10 +8,21 @@
 // it seems kinda dead.
 // Not tested.
 
-$riyUrl = $conf->get('plugins.READITYOUSELF_URL');
-if (empty($riyUrl)) {
-    $GLOBALS['plugin_errors'][] = 'Readityourself plugin error: '.
-        'Please define the "READITYOUSELF_URL" setting in the plugin administration page.';
+/**
+ * Init function, return an error if the server is not set.
+ *
+ * @param $conf ConfigManager instance.
+ *
+ * @return array Eventual error.
+ */
+function readityourself_init($conf)
+{
+    $riyUrl = $conf->get('plugins.READITYOUSELF_URL');
+    if (empty($riyUrl)) {
+        $error = 'Readityourself plugin error: '.
+            'Please define the "READITYOUSELF_URL" setting in the plugin administration page.';
+        return array($error);
+    }
 }
 
 /**
diff --git a/plugins/wallabag/wallabag.php b/plugins/wallabag/wallabag.php
index ec09c8a1..641e4cc2 100644
--- a/plugins/wallabag/wallabag.php
+++ b/plugins/wallabag/wallabag.php
@@ -6,10 +6,21 @@
 
 require_once 'WallabagInstance.php';
 
-$wallabagUrl = $conf->get('plugins.WALLABAG_URL');
-if (empty($wallabagUrl)) {
-    $GLOBALS['plugin_errors'][] = 'Wallabag plugin error: '.
-        'Please define the "WALLABAG_URL" setting in the plugin administration page.';
+/**
+ * Init function, return an error if the server is not set.
+ *
+ * @param $conf ConfigManager instance.
+ *
+ * @return array Eventual error.
+ */
+function wallabag_init($conf)
+{
+    $wallabagUrl = $conf->get('plugins.WALLABAG_URL');
+    if (empty($wallabagUrl)) {
+        $error = 'Wallabag plugin error: '.
+            'Please define the "WALLABAG_URL" setting in the plugin administration page.';
+        return array($error);
+    }
 }
 
 /**
diff --git a/tests/plugins/PluginReadityourselfTest.php b/tests/plugins/PluginReadityourselfTest.php
index d73e666a..532db146 100644
--- a/tests/plugins/PluginReadityourselfTest.php
+++ b/tests/plugins/PluginReadityourselfTest.php
@@ -4,8 +4,6 @@
  * PluginReadityourselfTest.php.php
  */
 
-// FIXME! add an init method.
-$conf = new ConfigManager('');
 require_once 'plugins/readityourself/readityourself.php';
 
 /**
@@ -23,6 +21,27 @@ class PluginReadityourselfTest extends PHPUnit_Framework_TestCase
     }
 
     /**
+     * Test Readityourself init without errors.
+     */
+    function testReadityourselfInitNoError()
+    {
+        $conf = new ConfigManager('');
+        $conf->set('plugins.READITYOUSELF_URL', 'value');
+        $errors = readityourself_init($conf);
+        $this->assertEmpty($errors);
+    }
+
+    /**
+     * Test Readityourself init with errors.
+     */
+    function testReadityourselfInitError()
+    {
+        $conf = new ConfigManager('');
+        $errors = readityourself_init($conf);
+        $this->assertNotEmpty($errors);
+    }
+
+    /**
      * Test render_linklist hook.
      */
     function testReadityourselfLinklist()
diff --git a/tests/plugins/PluginWallabagTest.php b/tests/plugins/PluginWallabagTest.php
index 302ee296..2c268cbd 100644
--- a/tests/plugins/PluginWallabagTest.php
+++ b/tests/plugins/PluginWallabagTest.php
@@ -4,8 +4,6 @@
  * PluginWallabagTest.php.php
  */
 
-// FIXME! add an init method.
-$conf = new ConfigManager('');
 require_once 'plugins/wallabag/wallabag.php';
 
 /**
@@ -23,6 +21,27 @@ class PluginWallabagTest extends PHPUnit_Framework_TestCase
     }
 
     /**
+     * Test wallabag init without errors.
+     */
+    function testWallabagInitNoError()
+    {
+        $conf = new ConfigManager('');
+        $conf->set('plugins.WALLABAG_URL', 'value');
+        $errors = wallabag_init($conf);
+        $this->assertEmpty($errors);
+    }
+
+    /**
+     * Test wallabag init with errors.
+     */
+    function testWallabagInitError()
+    {
+        $conf = new ConfigManager('');
+        $errors = wallabag_init($conf);
+        $this->assertNotEmpty($errors);
+    }
+
+    /**
      * Test render_linklist hook.
      */
     function testWallabagLinklist()
diff --git a/tpl/daily.html b/tpl/daily.html
index dde1f376..b82ad483 100644
--- a/tpl/daily.html
+++ b/tpl/daily.html
@@ -42,10 +42,10 @@
     <div class="clear"></div>
 
     {if="$linksToDisplay"}
-        {loop="cols"}
+        {loop="$cols"}
             {if="isset($value[0])"}
             <div id="daily_col{$counter+1}">
-                {loop="value"}
+                {loop="$value"}
                     {$link=$value}
                     <div class="dailyEntry">
                         <div class="dailyEntryPermalink">
@@ -60,7 +60,7 @@
                         {/if}
                         {if="$link.tags"}
                             <div class="dailyEntryTags">
-                                {loop="link.taglist"}
+                                {loop="$link.taglist"}
                                     {$value} -
                                 {/loop}
                             </div>
diff --git a/tpl/dailyrss.html b/tpl/dailyrss.html
index b14a3859..ddbd6c5e 100644
--- a/tpl/dailyrss.html
+++ b/tpl/dailyrss.html
@@ -4,7 +4,7 @@
     <link>{$absurl}</link>
     <pubDate>{$rssdate}</pubDate>
     <description><![CDATA[
-        {loop="links"}
+        {loop="$links"}
                 <h3><a href="{$value.url}">{$value.title}</a></h3>
                 <small>{if="!$hide_timestamps"}{function="strftime('%c', $value.timestamp)"} - {/if}{if="$value.tags"}{$value.tags}{/if}<br>
                 {$value.url}</small><br>
diff --git a/tpl/export.bookmarks.html b/tpl/export.bookmarks.html
index da733257..127a5c20 100644
--- a/tpl/export.bookmarks.html
+++ b/tpl/export.bookmarks.html
@@ -5,6 +5,6 @@
      Do Not Edit! -->{ignore}The RainTPL loop is formatted to avoid generating extra newlines{/ignore}
 <TITLE>{$pagetitle}</TITLE>
 <H1>Shaarli export of {$selection} bookmarks on {$date}</H1>
-<DL><p>{loop="links"}
+<DL><p>{loop="$links"}
 <DT><A HREF="{$value.url}" ADD_DATE="{$value.timestamp}" PRIVATE="{$value.private}" TAGS="{$value.taglist}">{$value.title}</A>{if="$value.description"}{$eol}<DD>{$value.description}{/if}{/loop}
 </DL><p>
diff --git a/tpl/feed.atom.html b/tpl/feed.atom.html
index 1932f507..40fd421a 100644
--- a/tpl/feed.atom.html
+++ b/tpl/feed.atom.html
@@ -17,7 +17,7 @@
   </author>
   <id>{$index_url}</id>
   <generator>Shaarli</generator>
-  {loop="links"}
+  {loop="$links"}
     <entry>
       <title>{$value.title}</title>
       {if="$usepermalinks"}
diff --git a/tpl/feed.rss.html b/tpl/feed.rss.html
index 4bfe4196..e18dbf9b 100644
--- a/tpl/feed.rss.html
+++ b/tpl/feed.rss.html
@@ -12,7 +12,7 @@
       <!-- PubSubHubbub Discovery -->
       <atom:link rel="hub" href="{$pubsubhub_url}" />
     {/if}
-    {loop="links"}
+    {loop="$links"}
       <item>
         <title>{$value.title}</title>
         <guid isPermaLink="{if="$usepermalinks"}true{else}false{/if}">{$value.guid}</guid>
diff --git a/tpl/linklist.html b/tpl/linklist.html
index 9979f12a..ddfd729a 100644
--- a/tpl/linklist.html
+++ b/tpl/linklist.html
@@ -63,7 +63,7 @@
         </div>
     {/if}
     <ul>
-        {loop="links"}
+        {loop="$links"}
         <li{if="$value.class"} class="{$value.class}"{/if}>
             <a id="{$value.shorturl}"></a>
             <div class="thumbnail">{$value.url|thumbnail}</div>
@@ -110,7 +110,7 @@
                 <a href="{$value.real_url}"><span class="linkurl" title="Short link">{$value.url}</span></a><br>
                 {if="$value.tags"}
                     <div class="linktaglist">
-                    {loop="value.taglist"}<span class="linktag" title="Add tag"><a href="?addtag={$value|urlencode}">{$value}</a></span> {/loop}
+                    {loop="$value.taglist"}<span class="linktag" title="Add tag"><a href="?addtag={$value|urlencode}">{$value}</a></span> {/loop}
                     </div>
                 {/if}
 
diff --git a/tpl/page.header.html b/tpl/page.header.html
index 0012c689..eac2ed4a 100644
--- a/tpl/page.header.html
+++ b/tpl/page.header.html
@@ -43,7 +43,7 @@
 
 {if="!empty($plugin_errors) && isLoggedIn()"}
     <ul class="errors">
-        {loop="plugin_errors"}
+        {loop="$plugin_errors"}
             <li>{$value}</li>
         {/loop}
     </ul>
diff --git a/tpl/picwall.html b/tpl/picwall.html
index 230c948b..4e227e37 100644
--- a/tpl/picwall.html
+++ b/tpl/picwall.html
@@ -14,7 +14,7 @@
 
 <div class="center">
         <div id="picwall_container">
-            {loop="linksToDisplay"}
+            {loop="$linksToDisplay"}
             <div class="picwall_pictureframe">
                     {$value.thumbnail}<a href="{$value.real_url}"><span class="info">{$value.title}</span></a>
                 {loop="$value.picwall_plugin"}
diff --git a/tpl/tagcloud.html b/tpl/tagcloud.html
index e449f293..05e45273 100644
--- a/tpl/tagcloud.html
+++ b/tpl/tagcloud.html
@@ -11,7 +11,7 @@
     </div>
 
     <div id="cloudtag">
-        {loop="tags"}
+        {loop="$tags"}
             <span class="count">{$value.count}</span><a
                 href="?searchtags={$key|urlencode}" style="font-size:{$value.size}em;">{$key}</a>
             {loop="$value.tag_plugin"}