From 640dfe1d371f52819e46b76b120d0f9914412131 Mon Sep 17 00:00:00 2001
From: filip <filip.komar@gmail.com>
Date: Thu, 17 Jul 2014 21:37:26 +0200
Subject: added caching to improve report speed

---
 en/about/license/license.php | 85 ++++++++++++++++++++++++++++++++++++++++++++
 langs/report_test.php        | 39 +++++---------------
 2 files changed, 93 insertions(+), 31 deletions(-)

diff --git a/en/about/license/license.php b/en/about/license/license.php
index 5745e0826..7ae6d1cd7 100644
--- a/en/about/license/license.php
+++ b/en/about/license/license.php
@@ -53,3 +53,88 @@ function read_license_from_vcs($locale) {
 
     return $prepared_license_strings;
 }
+
+function load_license_numbers($lang, $skip_rebuilding_cache = false)
+{
+    $pot_filename  = 'libDrakX.pot';
+    $po_files_path = "http://gitweb.mageia.org/software/drakx/plain/perl-install/share/po/";
+    $cache_file    = __DIR__ . '/../../../_nav/var/tmp/cache/license_numbers_' . $lang . '.php';
+    $rebuild_cache = false;
+    date_default_timezone_set(@date_default_timezone_get());
+    if($lang == 'en') {
+        $filename = $pot_filename;
+        $start_text = '"POT-Creation-Date:';
+    } else {
+        $filename   = locale_hyphen_underscore($lang, true) . '.po'; // create pt_BR.po from pt-br and alike
+        $start_text = '"PO-Revision-Date:';
+    }
+    if(!$skip_rebuilding_cache) {
+        $po_file      = $po_files_path . $filename;
+        $filehandle = @fopen($po_file, 'r'); // read $po_file
+        if($filehandle !== false) { // could open $po_fil
+            fclose($filehandle);
+            $po_time = get_po_time($po_file, $start_text);
+        } else {
+            $po_time = get_po_time($po_files_path . $pot_filename, $start_text);
+            if(!$po_time) { $po_time = 0; } // fallback
+        }
+        if(file_exists($cache_file)) {
+            include $cache_file;
+            if($cached_time < $po_time) {
+                $rebuild_cache = true;
+            }
+        } else {
+            $rebuild_cache = true;
+        }
+        if($rebuild_cache) {
+            $license_array   = read_license_from_vcs($lang);
+            $license_numbers = array_pop($license_array);
+            $license_num_all = $license_numbers["all"];
+            $license_num_unt = $license_numbers["untran"];
+            $cache_content   = <<<P
+<?php
+/**! Generated. Do not edit. */
+
+// Date in $po_file
+\$cached_time = $po_time;
+
+// $lang license numbers
+\$license_num_all = $license_num_all;
+\$license_num_unt = $license_num_unt;
+
+P;
+            file_put_contents($cache_file, $cache_content);
+        }
+    } else {
+        if(file_exists($cache_file)) {
+            include $cache_file;
+        } else { // fallback
+            $license_num_all = 0;
+            $license_num_unt = 0;
+        }
+    }
+
+    $return_license_numbers["all"]    = $license_num_all;
+    $return_license_numbers["untran"] = $license_num_unt;
+    return $return_license_numbers;
+}
+
+function get_po_time($po_file, $start_text)
+{
+    $filehandle = @fopen($po_file, 'r'); // read $po_file
+    if($filehandle === false) { // still could not open $po_file
+        return 0; // fallback
+    }
+
+    while(($line = fgets($filehandle, 50)) !== false) { // check first 50 characters
+        $line = trim($line);
+        if(substr_count($line, $start_text) == 1) { // if $start_text is present
+            $line = trim(str_replace(array($start_text, '\n"'), '', $line));
+            $po_time = strtotime($line);
+            fclose($filehandle);
+            return $po_time;
+        }
+    }
+    fclose($filehandle);
+    return 0; // fallback
+}
diff --git a/langs/report_test.php b/langs/report_test.php
index 952e86a37..85fed269f 100644
--- a/langs/report_test.php
+++ b/langs/report_test.php
@@ -78,14 +78,6 @@
         $restore_resources = TRUE;
     } else {
         $enFiles    = array_merge(array('../_nav/langs/en.pot'), get_lang_references('*.lang'), get_lang_references('*.pot')); // added navigation file
-/* START OF A WORKAROUND FOR TIMEOUTS */
-        foreach($enFiles as $enFile) {
-            if ($restore_languages || ($enFile != 'en/about/license.pot' && $enFile != '../_nav/langs/en.pot')) {
-                $enFiles_tmp[] = $enFile;
-            }
-        }
-        $enFiles = $enFiles_tmp;
-/* END OF A WORKAROUND FOR TIMEOUTS */
         sort($enFiles);
     }
     $num_of_enFiles = count($enFiles);
@@ -196,8 +188,7 @@
                 if ($link == 'about/license') {
                     require_once('../en/about/license/license.php');
                     $times[] = time_debug('require_once ' . $l);
-                    $license_array = read_license_from_vcs($l);
-                    $license_numbers = array_pop($license_array);
+                    $license_numbers = load_license_numbers($l, true);
                     $test['a'] += $license_numbers["all"]; // add aproximate number of untranslated sentences from license
                     $num_of_untranslated_strings += $license_numbers["untran"]; // add number of all license sentences
                 }
@@ -205,13 +196,6 @@
 
                 if ($nav) {
                     $mga = array();
-                    $local_f  = @file_get_contents('../_nav/langs/' . $l . '.po');
-                    $times[] = time_debug('local_f ' . $l);
-                    $mognas_f = @file_get_contents('http://nav.mageia.org/langs/' . $l . '.po');
-                    $times[] = time_debug('mognas_f ' . $l);
-                    if ($local_f != $mognas_f) {
-                        $page_not_linked = 'difference in svn <a class="action partial" href="//svnweb.mageia.org/web/www/trunk/_nav/langs/">1</a> &amp; <a class="action partial" href="//svnweb.mageia.org/web/nav/langs/">2</a>';
-                    }
                 } else if ($link == 'downloads/get') {
                     $mga = array(
                         'A' => 'downloads/get/index.php?q=Mageia-2-dual-CD.iso&amp;d=1', // " style="display: block;
@@ -372,7 +356,6 @@
 
     $thfiles = '<th>' . implode('</th><th>', $lang_line) . '</th>' . PHP_EOL;
     if (!$restore_languages && !$restore_resources) {
-        echo '<p>Note that <a href="?r=../_nav/langs/en.pot" title="navigation resource">navigation resource</a> and <a href="?r=en/about/license.pot" title="license resource">license resource</a> are currently not shown in this full report as they take a significant amount of time to process.</p>';
         $count = '&nbsp;';
     }
     if ($restore_languages) {
@@ -414,7 +397,6 @@ $times[] = time_debug('end_time');
 
 $sum = 0;
 $read_license_from_vcs_ = array();
-$mognas_f_ = array();
 $_diff_ = array();
 foreach ($times as $time) {
     if($time[1] >= 0.01) {
@@ -424,10 +406,6 @@ foreach ($times as $time) {
         if ($pos !== false) {
             $read_license_from_vcs_[] = array($time[0], $time[1]);
         }
-        $pos = strpos($time[0], 'mognas_f');
-        if ($pos !== false) {
-            $mognas_f_[] = array($time[0], $time[1]);
-        }
         $pos = strpos($time[0], '_diff');
         if ($pos !== false) {
             $_diff_[] = array($time[0], $time[1]);
@@ -447,11 +425,6 @@ foreach ($read_license_from_vcs_ as $part) {
 }
 $snails_time += $read_license_from_vcs_time_sum = array_sum($read_license_from_vcs_time);
 
-foreach ($mognas_f_ as $part) {
-    $mognas_f_time[] = $part[1];
-}
-$snails_time += $mognas_f_time_sum = array_sum($mognas_f_time);
-
 foreach ($_diff_ as $part) {
     $_diff_time[] = $part[1];
 }
@@ -466,8 +439,6 @@ echo '<pre>' . PHP_EOL;
 
 echo  '</br>' .'rlv: ';
 print_r($read_license_from_vcs_time_sum) . '</br>' . PHP_EOL;
-echo  '</br>' .'mog: ';
-print_r($mognas_f_time_sum) . '</br>' . PHP_EOL;
 echo  '</br>' .'dif: ';
 print_r($_diff_time_sum) . '</br>' . PHP_EOL;
 echo  '</br>' .'Sst: ';
@@ -487,4 +458,10 @@ echo '</pre>' . PHP_EOL;
     </div>
     <script src="/_nav/js/source.js"></script>
 </body>
-</html>
\ No newline at end of file
+</html><?php
+
+// regenerating cache
+// TODO move it to the cron
+foreach ($otherLangs as $lang) {
+    load_license_numbers($lang);
+}
\ No newline at end of file
-- 
cgit v1.2.1