Improve pull-request

app/Core/Helper.php

@@ -726,4 +726,48 @@ class Helper
     {
         return dt('%A', strtotime('next Monday +'.($day - 1).' days'));
     }
+
+    /**
+     * Get file icon
+     *
+     * @access public
+     * @param  string   $filename   Filename
+     * @return string               Font-Awesome-Icon-Name
+     */
+    public function getFileIcon($filename){
+
+        $extension = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
+
+        switch ($extension) {
+            case 'jpeg':
+            case 'jpg':
+            case 'png':
+            case 'gif':
+                return 'fa-file-image-o';
+            case 'xls':
+            case 'xlsx':
+                return 'fa-file-excel-o';
+            case 'doc':
+            case 'docx':
+                return 'fa-file-word-o';
+            case 'ppt':
+            case 'pptx':
+                return 'fa-file-powerpoint-o';
+            case 'zip':
+            case 'rar':
+                return 'fa-archive-o';
+            case 'mp3':
+                return 'fa-audio-o';
+            case 'avi':
+                return 'fa-video-o';
+            case 'php':
+            case 'html':
+            case 'css':
+                return 'fa-code-o';
+            case 'pdf':
+                return 'fa-file-pdf-o';
+        }
+
+        return 'fa-file-o';
+    }
 }