? boost_batch_export.patch
Index: boost.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/boost/boost.admin.inc,v
retrieving revision 1.1.2.1.2.3.2.10
diff -u -p -r1.1.2.1.2.3.2.10 boost.admin.inc
--- boost.admin.inc	25 Oct 2008 16:09:24 -0000	1.1.2.1.2.3.2.10
+++ boost.admin.inc	22 Nov 2008 21:22:01 -0000
@@ -29,6 +29,14 @@ function boost_admin_settings($form = ar
     '#description'   => t('Static page caching is a mechanism that stores dynamically generated web pages as HTML files in a special cache directory located under the Drupal installation directory. By caching a web page in this manner, the web server can serve it out in the fastest possible manner, without invoking PHP or Drupal at all. While this does provide a significant performance and scalability boost, you should note that it could have negative usability side-effects unless your site is targeted at an audience consisting mostly of "anonymous" visitors.'),
     '#weight'        => -10,
   );
+  if (BOOST_ENABLED == 1) {
+    $form['boost_export_button'] = array(
+      '#type' => 'submit',
+      '#submit' => array('boost_export_submit'),
+      '#value' => t('Click this button to export all pages to HTML now'),
+      '#weight' => -9,
+    );
+  }
   $form['boost_file_path'] = array(
     '#type'          => 'textfield',
     '#title'         => t('Cache file path'),
@@ -161,3 +169,8 @@ function boost_admin_site_offline_submit
     }
   }
 }
+
+function boost_export_submit($form, &$form_state) {
+  module_load_include('inc', 'boost', 'boost.pages');
+  boost_collect_pages();
+}
Index: boost.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/boost/boost.module,v
retrieving revision 1.3.2.2.2.5.2.18
diff -u -p -r1.3.2.2.2.5.2.18 boost.module
--- boost.module	25 Oct 2008 16:30:34 -0000	1.3.2.2.2.5.2.18
+++ boost.module	22 Nov 2008 21:22:01 -0000
@@ -33,6 +33,9 @@ define('BOOST_BANNER',               var
 // This is needed since the $user object is already destructed in _boost_ob_handler():
 define('BOOST_USER_ID',              @$GLOBALS['user']->uid);
 
+// Include boost.pages.inc for batch functions.
+require_once('boost.pages.inc');
+
 //////////////////////////////////////////////////////////////////////////////
 // Core API hooks
 
Index: boost.pages.inc
===================================================================
RCS file: boost.pages.inc
diff -N boost.pages.inc
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ boost.pages.inc	22 Nov 2008 21:22:01 -0000
@@ -0,0 +1,92 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * 
+ * Export pages immediately with batch API.
+ */
+
+/**
+ * Main function to collect all pages before starting the batch.
+ */
+function boost_collect_pages() {
+  $operations = array();  
+  
+  // Frontpage
+  $operations[] = array('boost_export_html', array(variable_get('site_frontpage', 'node'), 'index'));
+  
+  // Get all nodes with status 1.
+  $result = db_query("SELECT nid FROM {node} WHERE status = 1");
+  while ($row = db_fetch_object($result)) {
+    $operations[] = array('boost_export_html', array('node/'. $row->nid, ''));
+  }
+  
+  // Get all terms
+  if (module_exists('taxonomy')) {
+    $result = db_query("SELECT tid FROM {term_data}");
+    while ($row = db_fetch_object($result)) {
+      $operations[] = array('boost_export_html', array('taxonomy/term/'. $row->tid, ''));
+    }
+  }
+  
+  // Invoke hook_boost_export() 
+  foreach (module_implements('boost_export') as $module) {
+    if (($result = module_invoke($module, 'boost_export')) != NULL) {
+      $operations = array_merge($operations, $result);
+    }
+  }  
+
+  // TODO more support for modules (views, panels, ... ?)
+  
+  // Batch properties.  
+  $batch = array(
+    'title' => t('Exporting html'),
+    'operations' => $operations,
+    'finished' => 'boost_export_done',
+  );
+  batch_set($batch);
+}
+
+/**
+ * Batch callback function.
+ * @param $page
+ *   The drupal page we are going to fetch.
+ * @param $path
+ *   Override path we take from $page, ie for frontpage.
+ */
+function boost_export_html($page, $path, &$context) {
+  // Set initial variable.
+  if (!isset($context['results']['num_html'])) {
+    $context['results']['num_html'] = 0;
+  }
+
+  if (boost_is_cacheable($page) == TRUE && boost_is_cached($page) == FALSE) {
+    // Fetch a page with drupal_http_request, this does an anonymous request.
+    $url = url($page, array('absolute' => TRUE));
+    $data = drupal_http_request($url);
+  
+    // Write the file away if code is 200 and we have data.
+    if ($data->code == 200 && strlen($data->data) > 0) {
+      $path = (!empty($path)) ? $path : $page;
+      boost_cache_set($path, $data->data);
+      $context['results']['num_html']++;
+    }
+  }
+}
+
+/**
+ * Batch finished callback.
+ */
+function boost_export_done($success, $results, $operations) {
+  if ($success) {
+    // Count the number of pages we processed.
+    $message = $results['num_html'] .' html files created.';
+  }
+  else {
+    // An error occurred.
+    $error_operation = reset($operations);
+    $message = 'An error occurred while creating the html files';
+  }
+  drupal_set_message($message);
+}