Double check if the cover is really there.

I had some problems with path having case difference on Linux.

book.php

@@ -73,6 +73,10 @@ class Book extends Base {
         $this->comment = $line->comment;
         $this->uuid = $line->uuid;
         $this->hasCover = $line->has_cover;
+        if (!file_exists ($this->getFilePath ("jpg"))) {
+            // double check
+            $this->hasCover = 0;
+        }
         $this->rating = $line->rating;
     }
         

bookdetail.php

@@ -20,7 +20,13 @@ $book->getLinkArray ();
 <div class="bookpopup">
     <div class="booke">
         <div class="cover">
+            <?php
+                if ($book->hasCover) {
+            ?>
             <img src="fetch.php?id=<?php echo $book->id ?>&amp;height=150" alt="cover" />
+            <?php
+                }
+            ?>
         </div>
         <div class="download">
 <?php