From 4bce0d33491f6304f7f9b857c6ec541a7f229365 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Lucas?= <sebastien@slucas.fr>
Date: Tue, 5 Feb 2013 21:08:28 +0100
Subject: [PATCH] Enable kepub.epub download. re #39

---
 .htaccess              |  1 +
 book.php               |  4 ++++
 config_default.php     |  7 +++++++
 data.php               |  6 +++++-
 php-epub-meta/epub.php | 47 ++++++++++++++++++++++++------------------
 5 files changed, 44 insertions(+), 21 deletions(-)

diff --git a/.htaccess b/.htaccess
index e3948c9..0603a65 100644
--- a/.htaccess
+++ b/.htaccess
@@ -19,6 +19,7 @@
 
 <IfModule mod_rewrite.c>
 RewriteEngine on
+RewriteRule ^download/(.*)/.*\.kepub\.epub$ fetch.php?data=$1&type=epub [L]
 RewriteRule ^download/(.*)/.*\.(.*)$ fetch.php?data=$1&type=$2 [L]
 </IfModule>
 
diff --git a/book.php b/book.php
index 3aa6bc8..17b184a 100644
--- a/book.php
+++ b/book.php
@@ -298,6 +298,7 @@ class Book extends Base {
     
     public function getUpdatedEpub ($idData)
     {
+        global $config;
         $data = $this->getDataById ($idData);
             
         try
@@ -320,6 +321,9 @@ class Book extends Base {
                 $epub->Serie ($se->name);
                 $epub->SerieIndex ($this->seriesIndex);
             }
+            if ($config['cops_provide_kepub'] == "1") {
+                $epub->updateForKepub ();
+            }
             $epub->download ($data->getUpdatedFilenameEpub ());
         }
         catch (Exception $e)
diff --git a/config_default.php b/config_default.php
index 46d2e0c..fc24172 100644
--- a/config_default.php
+++ b/config_default.php
@@ -155,4 +155,11 @@
      * Note that for now only the first, second and forth type of custom columns are supported
      */
     $config['cops_calibre_custom_column'] = array ();
+    
+    /*
+     * Rename .epub to .kepub.epub if downloaded from a Kobo eReader
+     * The ebook will then be recognized a Kepub so with chaptered paging, statistics, ...
+     * You have to enable URL rewriting if you want to enable kepup.epub download
+     */
+    $config['cops_provide_kepub'] = "1";
 ?>
\ No newline at end of file
diff --git a/data.php b/data.php
index a6a56e4..cdd05d5 100644
--- a/data.php
+++ b/data.php
@@ -95,7 +95,11 @@ class Data extends Base {
         
         if ($config['cops_use_url_rewriting'] == "1")
         {
-            return "download/" . $this->id . "/" . urlencode ($this->getFilename ());
+            if ($config['cops_provide_kepub'] == "1" && preg_match("/Kobo/", $_SERVER['HTTP_USER_AGENT'])) {
+                return "download/" . $this->id . "/" . urlencode ($this->getUpdatedFilenameKepub ());
+            } else {
+                return "download/" . $this->id . "/" . urlencode ($this->getFilename ());
+            }
         }
         else
         {
diff --git a/php-epub-meta/epub.php b/php-epub-meta/epub.php
index 857d29a..f6cf71f 100644
--- a/php-epub-meta/epub.php
+++ b/php-epub-meta/epub.php
@@ -393,30 +393,37 @@ class EPub {
         );
     }
     
+    public function getCoverItem () {
+        $nodes = $this->xpath->query('//opf:metadata/opf:meta[@name="cover"]');
+        if(!$nodes->length) return NULL;
+        
+        $coverid = (String) $nodes->item(0)->attr('opf:content');
+        if(!$coverid) return NULL;
+
+        $nodes = $this->xpath->query('//opf:manifest/opf:item[@id="'.$coverid.'"]');
+        if(!$nodes->length) return NULL;
+
+        return $nodes->item(0);
+    }
+    
+    public function updateForKepub () {
+        $item = $this->getCoverItem ();
+        if (!is_null ($item)) {
+            $item->attr('opf:properties', 'cover-image');
+        }
+    }
+    
     
     public function Cover2($path=false, $mime=false){
         $hascover = true;
-        $item;
-        // load cover
-        $nodes = $this->xpath->query('//opf:metadata/opf:meta[@name="cover"]');
-        if(!$nodes->length){
+        $item = $this->getCoverItem ();
+        if (is_null ($item)) {
             $hascover = false;
-        } else{
-            $coverid = (String) $nodes->item(0)->attr('opf:content');
-            if(!$coverid){
-            $hascover = false;
-            } else{
-                $nodes = $this->xpath->query('//opf:manifest/opf:item[@id="'.$coverid.'"]');
-                if(!$nodes->length){
-                    $hascover = false;
-                } else{
-                    $item = $nodes->item(0);
-                    $mime = $item->attr('opf:media-type');
-                    $this->coverpath = $item->attr('opf:href');
-                    $this->coverpath = dirname('/'.$this->meta).'/'.$this->coverpath; // image path is relative to meta file
-                    $this->coverpath = ltrim($this->coverpath,'/');
-                }
-            }
+        } else {
+            $mime = $item->attr('opf:media-type');
+            $this->coverpath = $item->attr('opf:href');
+            $this->coverpath = dirname('/'.$this->meta).'/'.$this->coverpath; // image path is relative to meta file
+            $this->coverpath = ltrim($this->coverpath,'/');
         }
         
         // set cover