From d8261a067b77553fbe99aee6b55a3072b6cf7492 Mon Sep 17 00:00:00 2001
From: Jarrett Jordaan <jarrett@knowledgetree.com>
Date: Fri, 12 Mar 2010 15:29:43 +0200
Subject: [PATCH] PT-2631536 : Added delete triggers on document checkin for thumbnail, instaView and pdfConverter plugins

---
 plugins/pdfConverter/pdfConverterPlugin.php |  3 ++-
 plugins/thumbnails/thumbnailsPlugin.php     | 29 +++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/plugins/pdfConverter/pdfConverterPlugin.php b/plugins/pdfConverter/pdfConverterPlugin.php
index 50a04db..565621c 100644
--- a/plugins/pdfConverter/pdfConverterPlugin.php
+++ b/plugins/pdfConverter/pdfConverterPlugin.php
@@ -48,7 +48,7 @@ class DeletePDFTrigger {
     }
 
     /**
-     * On deleting a document, send the document owner and alert creator a notification email
+     * On deleting/checkin a document, send the document owner and alert creator a notification email
      */
     function postValidate() {
         $oDoc = $this->aInfo['document'];
@@ -85,6 +85,7 @@ class pdfConverterPlugin extends KTPlugin {
         $dir = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'pdfConverter.php';
         $this->registerProcessor('PDFConverter', 'pdf.converter.processor', $dir);
         $this->registerTrigger('delete', 'postValidate', 'DeletePDFTrigger','pdf.converter.triggers.delete', __FILE__);
+        $this->registerTrigger('checkin', 'postValidate', 'DeletePDFTrigger','pdf.triggers.delete.document.checkin', __FILE__);
     }
 }
 
diff --git a/plugins/thumbnails/thumbnailsPlugin.php b/plugins/thumbnails/thumbnailsPlugin.php
index ace843c..0aa894d 100644
--- a/plugins/thumbnails/thumbnailsPlugin.php
+++ b/plugins/thumbnails/thumbnailsPlugin.php
@@ -39,6 +39,34 @@
 require_once(KT_LIB_DIR . '/plugins/plugin.inc.php');
 require_once(KT_LIB_DIR . '/plugins/pluginregistry.inc.php');
 
+class DeleteThumbnailTrigger {
+    var $namespace = 'thumbnail.triggers.delete.document.checkin';
+    var $aInfo = null;
+
+    function setInfo($aInfo) {
+        $this->aInfo = $aInfo;
+    }
+
+    /**
+     * On checkin of a document, delete the thumbnail so a new one can be generated
+     */
+    function postValidate() {
+        $oDoc = $this->aInfo['document'];
+        $docId = $oDoc->getId();
+        $docInfo = array('id' => $docId, 'name' => $oDoc->getName());
+
+        // Delete the pdf document
+        global $default;
+        $varDirectory = $default->varDirectory;
+
+        $file = $varDirectory . DIRECTORY_SEPARATOR . "thumbnails" . DIRECTORY_SEPARATOR .$docId.'.jpg';
+
+        if(file_exists($file)){
+            @unlink($file);
+        }
+    }
+}
+
 class thumbnailsPlugin extends KTPlugin {
     var $sNamespace = 'thumbnails.generator.processor.plugin';
     var $iVersion = 0;
@@ -61,6 +89,7 @@ class thumbnailsPlugin extends KTPlugin {
         $this->registerProcessor('thumbnailGenerator', 'thumbnails.generator.processor', $dir);
         $this->registerAction('documentviewlet', 'ThumbnailViewlet', 'thumbnail.viewlets', $dir);
         $this->registerColumn(_kt('Thumbnail'), 'thumbnails.generator.column', 'ThumbnailColumn', $dir);
+        $this->registerTrigger('checkin', 'postValidate', 'DeleteThumbnailTrigger','thumbnail.triggers.delete.document.checkin', __FILE__);
 
         require_once(KT_LIB_DIR . '/templating/templating.inc.php');
         $oTemplating =& KTTemplating::getSingleton();
--
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