# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1440402597 -10800
# Node ID 074a4a00af083c060419e0387b5045d340e0d474
# Parent  0c3c27de67103a8042378e73f9a41ef0e41eab6b
Refactor course cache updating.

diff -r 0c3c27de6710 -r 074a4a00af08 index.php
--- a/index.php	Sun Aug 23 19:39:48 2015 +0300
+++ b/index.php	Mon Aug 24 10:49:57 2015 +0300
@@ -188,12 +188,34 @@
 }
 
 
+function lukFetchCourseData($uri, &$cache)
+{
+  global $pageCharset;
+
+  if (($data = @file_get_contents($uri)) !== FALSE)
+  {
+    $data = @iconv("iso8859-15", $pageCharset, $data);
+    // <td id="oj_nimi" class="smallheadercell"><strong>Korjausrakentamisen rakennussuunnittelu 3 op</strong></td>
+    if (preg_match("#<td id=\"oj_nimi\" class=\"smallheadercell\"><strong>(.+?)\s+(\d+)\s*(op|ECTS\s+cr)\s*</strong></td>#", $data, $m))
+    {
+      $cache = array("desc" => $m[1], "op" => intval($m[2]), "uri" => $uri);
+      return TRUE;
+    }
+    else
+    // <td><strong>... (N op)</strong></td>
+    if (preg_match("#<td><strong>(.+?)\s+\((\d+)\s*(op|ECTS\s+cr)\)\s*</strong></td>#", $data, $m))
+    {
+      $cache = array("desc" => $m[1], "op" => intval($m[2]), "uri" => $uri);
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+
 function lukMatchCourse($id)
 {
-  global $cache, $cacheDirty, $pageCharset, $pageLang, $mobileMode;
-
-  //$uri = "http://www.oamk.fi/opiskelijalle/rakenne/opinto-opas/koulutusohjelmat/?sivu=oj&kieli=".strtoupper($pageLang)."&koodi1=".$id;
-  $uri = "http://www.oamk.fi/koulutus_ja_hakeminen/opiskelu_oamkissa/opinto-opas/koulutusohjelmat/?sivu=oj_kuvaus&koodi1=".$id."&kieli=".strtoupper($pageLang);
+  global $cache, $cacheDirty, $pageLang, $mobileMode;
 
   // Create the index
   if (!isset($cache[$id]))
@@ -203,19 +225,12 @@
   if (!isset($cache[$id][$pageLang]))
   {
     // Not cached, try to fetch data
-    $cacheDirty = TRUE;
-    $data = @file_get_contents($uri);
-    if ($data !== FALSE)
-    {
-      $data = @iconv("iso-8859-15", $pageCharset, $data);
-      if (preg_match("#<td class=\"smallheadercell\"><strong>(.+?)\s+(\d+)\s*(op|ECTS\s+cr)\s*</strong></td>#", $data, $m))
-      {
-        // Add data to cache
-        $cache[$id][$pageLang] = array("desc" => $m[1], "op" => intval($m[2]));
-      }
-    }
+    $uri = "http://www.oamk.fi/opinto-opas/opintojaksohaku/?sivu=oj_kuvaus&koodi1=".$id."&kieli=".strtoupper($pageLang);
+    if (lukFetchCourseData($uri."&opas=2015-2016", $cache[$id][$pageLang]) ||
+        lukFetchCourseData($uri."&opas=2014-2015", $cache[$id][$pageLang]))
+      $cacheDirty = TRUE;
   }
-  
+
   if (isset($cache[$id]) && isset($cache[$id][$pageLang]))
   {
     if ($mobileMode)
@@ -226,7 +241,7 @@
     {
        return
          "<a target=\"_blank\" title=\"".chentities($id." - ".$cache[$id][$pageLang]["op"]." op").
-         "\" href=\"".chentities($uri)."\">".chentities($cache[$id][$pageLang]["desc"])."</a>";
+         "\" href=\"".chentities($cache[$id][$pageLang]["uri"])."\">".chentities($cache[$id][$pageLang]["desc"])."</a>";
     }
   }
   else