X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=WEB-INF%2Flib%2FttGroupExportHelper.class.php;h=cd38de9d71d2dca0c4fc7d7d45179ba0df4b7c25;hb=770d560338b34e0a869c78778d0cd838905fb192;hp=364f984dcf70acc6b00b44d397eb1ae77bcb18c0;hpb=60c61508f8586f489fc8795c93d9bd45e41467c1;p=timetracker.git

diff --git a/WEB-INF/lib/ttGroupExportHelper.class.php b/WEB-INF/lib/ttGroupExportHelper.class.php
index 364f984d..cd38de9d 100644
--- a/WEB-INF/lib/ttGroupExportHelper.class.php
+++ b/WEB-INF/lib/ttGroupExportHelper.class.php
@@ -28,9 +28,6 @@
 
 // ttGroupExportHelper - this class is used to write data for a single group
 // to a file. When group contains other groups, it reuses itself recursively.
-//
-// Currently, it is work in progress.
-// When done, it should handle export of organizations containing multiple groups.
 class ttGroupExportHelper {
 
   var $group_id = null;     // Group we are exporting.
@@ -38,6 +35,20 @@ class ttGroupExportHelper {
   var $indentation = null;  // A string consisting of a number of spaces.
   var $subgroups = array(); // Immediate subgroups.
 
+  // The following arrays are maps between entity ids in the file versus the database.
+  // We write to the file sequentially (1,2,3...) while in the database the entities have different ids.
+  var $userMap    = array();
+  var $roleMap    = array();
+  var $taskMap    = array();
+  var $projectMap = array();
+  var $clientMap  = array();
+  var $timesheetMap = array();
+  var $invoiceMap = array();
+  var $logMap     = array();
+  var $customFieldMap = array();
+  var $customFieldOptionMap = array();
+  var $favReportMap = array();
+
   // Constructor.
   function __construct($group_id, $file, $indentation) {
     global $user;
@@ -58,12 +69,12 @@ class ttGroupExportHelper {
     }
   }
 
-  // getGroupData obtains group attributes for export.
-  function getGroupData() {
+  // getGroupAttrs obtains group attributes for export.
+  private function getGroupAttrs() {
     global $user;
-
     $mdb2 = getConnection();
-    $sql =  "select name, currency, lang from tt_groups".
+
+    $sql =  "select * from tt_groups".
             " where status = 1 and id = $this->group_id and org_id = $user->org_id";
     $res = $mdb2->query($sql);
     if (!is_a($res, 'PEAR_Error')) {
@@ -72,26 +83,571 @@ class ttGroupExportHelper {
     return $val;
   }
 
+  // The getUsers obtains all users in group for the purpose of export.
+  private function getUsers() {
+    global $user;
+    $mdb2 = getConnection();
+    $sql = "select u.*, r.rank from tt_users u left join tt_roles r on (u.role_id = r.id)".
+      " where u.group_id = $this->group_id and u.org_id = $user->org_id order by upper(u.name)"; // Note: deleted users are included.
+    $res = $mdb2->query($sql);
+    $result = array();
+    if (!is_a($res, 'PEAR_Error')) {
+      while ($val = $res->fetchRow()) {
+        $result[] = $val;
+      }
+      return $result;
+    }
+    return false;
+  }
+
+  // getRecordsFromTable - obtains all fields from a given table for a group.
+  function getRecordsFromTable($table_name) {
+    global $user;
+    $mdb2 = getConnection();
+
+    $result = array();
+    $sql = "select * from $table_name where group_id = $this->group_id and org_id = $user->org_id";
+    $res = $mdb2->query($sql);
+    $result = array();
+    if (!is_a($res, 'PEAR_Error')) {
+      while ($val = $res->fetchRow()) {
+        $result[] = $val;
+      }
+      return $result;
+    }
+    return false;
+  }
+
   // writeData writes group data into file.
   function writeData() {
 
     // Write group info.
-    $group = $this->getGroupData();
-    $group_part = "<group name=\"".htmlentities($group['name'])."\"";
-    $group_part .= " currency=\"".htmlentities($group['currency'])."\"";
+    $group = $this->getGroupAttrs();
+    $group_part = "<group group_key=\"".htmlspecialchars($group['group_key'])."\"";
+    $group_part .= " name=\"".htmlspecialchars($group['name'])."\"";
+    $group_part .= " description=\"".htmlspecialchars($group['description'])."\"";
+    $group_part .= " currency=\"".htmlspecialchars($group['currency'])."\"";
+    $group_part .= " decimal_mark=\"".$group['decimal_mark']."\"";
     $group_part .= " lang=\"".$group['lang']."\"";
-    // TODO: add other group attributes here.
+    $group_part .= " date_format=\"".$group['date_format']."\"";
+    $group_part .= " time_format=\"".$group['time_format']."\"";
+    $group_part .= " week_start=\"".$group['week_start']."\"";
+    $group_part .= " tracking_mode=\"".$group['tracking_mode']."\"";
+    $group_part .= " project_required=\"".$group['project_required']."\"";
+    $group_part .= " task_required=\"".$group['task_required']."\"";
+    $group_part .= " record_type=\"".$group['record_type']."\"";
+    $group_part .= " bcc_email=\"".$group['bcc_email']."\"";
+    $group_part .= " allow_ip=\"".$group['allow_ip']."\"";
+    $group_part .= " password_complexity=\"".$group['password_complexity']."\"";
+    $group_part .= " plugins=\"".$group['plugins']."\"";
+    $group_part .= " lock_spec=\"".$group['lock_spec']."\"";
+    $group_part .= " workday_minutes=\"".$group['workday_minutes']."\"";
+    $group_part .= " custom_logo=\"".$group['custom_logo']."\"";
+    $group_part .= " config=\"".$group['config']."\"";
     $group_part .= ">\n";
 
     // Write group info.
     fwrite($this->file, $this->indentation.$group_part);
+    unset($group);
+    unset($group_part);
+
+    // Prepare user map.
+    $users = $this->getUsers();
+    foreach ($users as $key=>$user_item)
+      $this->userMap[$user_item['id']] = $key + 1;
+
+    // Prepare role map.
+    $roles = $this->getRecordsFromTable('tt_roles');
+    foreach ($roles as $key=>$role_item)
+      $this->roleMap[$role_item['id']] = $key + 1;
+
+    // Prepare task map.
+    $tasks = $this->getRecordsFromTable('tt_tasks');
+    foreach ($tasks as $key=>$task_item)
+      $this->taskMap[$task_item['id']] = $key + 1;
+
+    // Prepare project map.
+    $projects = $this->getRecordsFromTable('tt_projects');
+    foreach ($projects as $key=>$project_item)
+      $this->projectMap[$project_item['id']] = $key + 1;
+
+    // Prepare client map.
+    $clients = $this->getRecordsFromTable('tt_clients');
+    foreach ($clients as $key=>$client_item)
+      $this->clientMap[$client_item['id']] = $key + 1;
+
+    // Prepare timesheet map.
+    $timesheets = $this->getRecordsFromTable('tt_timesheets');
+    foreach ($timesheets as $key=>$timesheet_item)
+      $this->timesheetMap[$timesheet_item['id']] = $key + 1;
+
+    // Prepare invoice map.
+    $invoices = ttTeamHelper::getAllInvoices();
+    foreach ($invoices as $key=>$invoice_item)
+      $this->invoiceMap[$invoice_item['id']] = $key + 1;
+
+    // Prepare custom fields map.
+    $custom_fields = ttTeamHelper::getAllCustomFields($this->group_id);
+    foreach ($custom_fields as $key=>$custom_field)
+      $this->customFieldMap[$custom_field['id']] = $key + 1;
+
+    // Prepare custom field options map.
+    $custom_field_options = ttTeamHelper::getAllCustomFieldOptions($this->group_id);
+    foreach ($custom_field_options as $key=>$option)
+      $this->customFieldOptionMap[$option['id']] = $key + 1;
+
+    // Prepare favorite report map.
+    $fav_reports = $this->getRecordsFromTable('tt_fav_reports');
+    foreach ($fav_reports as $key=>$fav_report)
+      $this->favReportMap[$fav_report['id']] = $key + 1;
+
+    // Write roles.
+    fwrite($this->file, $this->indentation."  <roles>\n");
+    foreach ($roles as $role) {
+      $role_part = $this->indentation.'    '."<role id=\"".$this->roleMap[$role['id']]."\"";
+      $role_part .= " name=\"".htmlspecialchars($role['name'])."\"";
+      $role_part .= " description=\"".htmlspecialchars($role['description'])."\"";
+      $role_part .= " rank=\"".$role['rank']."\"";
+      $role_part .= " rights=\"".htmlspecialchars($role['rights'])."\"";
+      $role_part .= " status=\"".$role['status']."\"";
+      $role_part .= "></role>\n";
+      fwrite($this->file, $role_part);
+    }
+    fwrite($this->file, $this->indentation."  </roles>\n");
+    unset($roles);
+    unset($role_part);
+
+    // Write tasks.
+    if (count($tasks) > 0) {
+      fwrite($this->file, $this->indentation."  <tasks>\n");
+      foreach ($tasks as $task) {
+        $task_part = $this->indentation.'    '."<task id=\"".$this->taskMap[$task['id']]."\"";
+        $task_part .= " name=\"".htmlspecialchars($task['name'])."\"";
+        $task_part .= " description=\"".htmlspecialchars($task['description'])."\"";
+        $task_part .= " status=\"".$task['status']."\"";
+        $task_part .= "></task>\n";
+        fwrite($this->file, $task_part);
+      }
+      fwrite($this->file, $this->indentation."  </tasks>\n");
+      unset($tasks);
+      unset($task_part);
+    }
+
+    // Write projects.
+    if (count($projects) > 0) {
+      fwrite($this->file, $this->indentation."  <projects>\n");
+      foreach ($projects as $project_item) {
+        $tasks_str = null;
+        if($project_item['tasks']){
+          $tasks = explode(',', $project_item['tasks']);
+          $tasks_mapped = array();
+          foreach ($tasks as $item)
+            $tasks_mapped[] = $this->taskMap[$item];
+          $tasks_str = implode(',', $tasks_mapped);
+        }
+        $project_part = $this->indentation.'    '."<project id=\"".$this->projectMap[$project_item['id']]."\"";
+        $project_part .= " name=\"".htmlspecialchars($project_item['name'])."\"";
+        $project_part .= " description=\"".htmlspecialchars($project_item['description'])."\"";
+        $project_part .= " tasks=\"".$tasks_str."\"";
+        $project_part .= " status=\"".$project_item['status']."\"";
+        $project_part .= "></project>\n";
+        fwrite($this->file, $project_part);
+      }
+      fwrite($this->file, $this->indentation."  </projects>\n");
+      unset($projects);
+      unset($project_part);
+    }
+
+    // Write clients.
+    if (count($clients) > 0) {
+      fwrite($this->file, $this->indentation."  <clients>\n");
+      foreach ($clients as $client_item) {
+        if($client_item['projects']){
+          $projects_db = explode(',', $client_item['projects']);
+          $projects_mapped = array();
+          foreach ($projects_db as $item)
+            $projects_mapped[] = $this->projectMap[$item];
+          $projects_str = implode(',', $projects_mapped);
+        }
+        $client_part = $this->indentation.'    '."<client id=\"".$this->clientMap[$client_item['id']]."\"";
+        $client_part .= " name=\"".htmlspecialchars($client_item['name'])."\"";
+        $client_part .= " address=\"".htmlspecialchars($client_item['address'])."\"";
+        $client_part .= " tax=\"".$client_item['tax']."\"";
+        $client_part .= " projects=\"".$projects_str."\"";
+        $client_part .= " status=\"".$client_item['status']."\"";
+        $client_part .= "></client>\n";
+        fwrite($this->file, $client_part);
+      }
+      fwrite($this->file, $this->indentation."  </clients>\n");
+      unset($clients);
+      unset($client_part);
+    }
+
+    // Write users.
+    if (count($users) > 0) {
+      fwrite($this->file, $this->indentation."  <users>\n");
+      foreach ($users as $user_item) {
+        $role_id = $user_item['rank'] == 512 ? 0 : $this->roleMap[$user_item['role_id']]; // Special role_id 0 (not null) for top manager.
+        $user_part = $this->indentation.'    '."<user id=\"".$this->userMap[$user_item['id']]."\"";
+        $user_part .= " name=\"".htmlspecialchars($user_item['name'])."\"";
+        $user_part .= " login=\"".htmlspecialchars($user_item['login'])."\"";
+        $user_part .= " password=\"".$user_item['password']."\"";
+        $user_part .= " role_id=\"".$role_id."\"";
+        $user_part .= " client_id=\"".$this->clientMap[$user_item['client_id']]."\"";
+        $user_part .= " rate=\"".$user_item['rate']."\"";
+        $user_part .= " quota_percent=\"".$user_item['quota_percent']."\"";
+        $user_part .= " email=\"".$user_item['email']."\"";
+        $user_part .= " status=\"".$user_item['status']."\"";
+        $user_part .= "></user>\n";
+        fwrite($this->file, $user_part);
+      }
+      fwrite($this->file, $this->indentation."  </users>\n");
+      unset($users);
+      unset($user_part);
+    }
+
+    // Write user to project binds.
+    $user_binds = ttTeamHelper::getUserToProjectBinds($this->group_id);
+    if (count($user_binds) > 0) {
+      fwrite($this->file, $this->indentation."  <user_project_binds>\n");
+      foreach ($user_binds as $bind) {
+        $user_id = $this->userMap[$bind['user_id']];
+        $project_id = $this->projectMap[$bind['project_id']];
+        $bind_part = $this->indentation.'    '."<user_project_bind user_id=\"".$user_id."\"";
+        $bind_part .= " project_id=\"".$project_id."\"";
+        $bind_part .= " rate=\"".$bind['rate']."\"";
+        $bind_part .= " status=\"".$bind['status']."\"";
+        $bind_part .= "></user_project_bind>\n";
+        fwrite($this->file, $bind_part);
+      }
+      fwrite($this->file, $this->indentation."  </user_project_binds>\n");
+      unset($user_binds);
+      unset($bind_part);
+    }
+
+    // Write timesheets.
+    if (count($timesheets) > 0) {
+      fwrite($this->file, $this->indentation."  <timesheets>\n");
+      foreach ($timesheets as $timesheet_item) {
+        $timesheet_part = $this->indentation.'    '."<timesheet id=\"".$this->timesheetMap[$timesheet_item['id']]."\"";
+        $timesheet_part .= " user_id=\"".$this->userMap[$timesheet_item['user_id']]."\"";
+        $timesheet_part .= " client_id=\"".$this->clientMap[$timesheet_item['client_id']]."\"";
+        $timesheet_part .= " project_id=\"".$this->projectMap[$timesheet_item['project_id']]."\"";
+        $timesheet_part .= " name=\"".htmlspecialchars($timesheet_item['name'])."\"";
+        $timesheet_part .= " comment=\"".htmlspecialchars($timesheet_item['comment'])."\"";
+        $timesheet_part .= " start_date=\"".$timesheet_item['start_date']."\"";
+        $timesheet_part .= " end_date=\"".$timesheet_item['end_date']."\"";
+        $timesheet_part .= " submit_status=\"".$timesheet_item['submit_status']."\"";
+        $timesheet_part .= " approve_status=\"".$timesheet_item['approve_status']."\"";
+        $timesheet_part .= " approve_comment=\"".htmlspecialchars($timesheet_item['approve_comment'])."\"";
+        $timesheet_part .= " status=\"".$timesheet_item['status']."\"";
+        $timesheet_part .= "></timesheet>\n";
+        fwrite($this->file, $timesheet_part);
+      }
+      fwrite($this->file, $this->indentation."  </timesheets>\n");
+      unset($timesheets);
+      unset($timesheet_part);
+    }
+
+    // Write invoices.
+    if (count($invoices) > 0) {
+      fwrite($this->file, $this->indentation."  <invoices>\n");
+      foreach ($invoices as $invoice_item) {
+        $invoice_part = $this->indentation.'    '."<invoice id=\"".$this->invoiceMap[$invoice_item['id']]."\"";
+        $invoice_part .= " name=\"".htmlspecialchars($invoice_item['name'])."\"";
+        $invoice_part .= " date=\"".$invoice_item['date']."\"";
+        $invoice_part .= " client_id=\"".$this->clientMap[$invoice_item['client_id']]."\"";
+        $invoice_part .= " status=\"".$invoice_item['status']."\"";
+        $invoice_part .= "></invoice>\n";
+        fwrite($this->file, $invoice_part);
+      }
+      fwrite($this->file, $this->indentation."  </invoices>\n");
+      unset($invoices);
+      unset($invoice_part);
+    }
+
+    // Write time log entries and build logMap at the same time.
+    // TODO: big data sets get us out of memory error.
+    // We need to optimize this by working on smaller result sets at a time.
+    // tt_log is one potentially large table, but so may be others.
+    // Refactor this during next round of work here.
+    $records = $this->getRecordsFromTable('tt_log');
+    if (count($records) > 0) {
+      fwrite($this->file, $this->indentation."  <log>\n");
+      $key = 0;
+      foreach ($records as $record) {
+        $key++;
+        $this->logMap[$record['id']] = $key;
+        $log_part = $this->indentation.'    '."<log_item id=\"$key\"";
+        $log_part .= " user_id=\"".$this->userMap[$record['user_id']]."\"";
+        $log_part .= " date=\"".$record['date']."\"";
+        $log_part .= " start=\"".$record['start']."\"";
+        $log_part .= " duration=\"".$record['duration']."\"";
+        $log_part .= " client_id=\"".$this->clientMap[$record['client_id']]."\"";
+        $log_part .= " project_id=\"".$this->projectMap[$record['project_id']]."\"";
+        $log_part .= " task_id=\"".$this->taskMap[$record['task_id']]."\"";
+        $log_part .= " timesheet_id=\"".$this->timesheetMap[$record['timesheet_id']]."\"";
+        $log_part .= " invoice_id=\"".$this->invoiceMap[$record['invoice_id']]."\"";
+        $log_part .= " comment=\"".$this->encodeLineBreaks($record['comment'])."\"";
+        $log_part .= " billable=\"".$record['billable']."\"";
+        $log_part .= " approved=\"".$record['approved']."\"";
+        $log_part .= " paid=\"".$record['paid']."\"";
+        $log_part .= " status=\"".$record['status']."\"";
+        $log_part .= "></log_item>\n";
+        fwrite($this->file, $log_part);
+      }
+      fwrite($this->file, $this->indentation."  </log>\n");
+      unset($records);
+      unset($log_part);
+    }
+
+    // Write custom fields.
+    if (count($custom_fields) > 0) {
+      fwrite($this->file, $this->indentation."  <custom_fields>\n");
+      foreach ($custom_fields as $custom_field) {
+        $custom_field_part = $this->indentation.'    '."<custom_field id=\"".$this->customFieldMap[$custom_field['id']]."\"";
+        $custom_field_part .= " entity_type=\"".$custom_field['entity_type']."\"";
+        $custom_field_part .= " type=\"".$custom_field['type']."\"";
+        $custom_field_part .= " label=\"".htmlspecialchars($custom_field['label'])."\"";
+        $custom_field_part .= " required=\"".$custom_field['required']."\"";
+        $custom_field_part .= " status=\"".$custom_field['status']."\"";
+        $custom_field_part .= "></custom_field>\n";
+        fwrite($this->file, $custom_field_part);
+      }
+      fwrite($this->file, $this->indentation."  </custom_fields>\n");
+      unset($custom_fields);
+      unset($custom_field_part);
+    }
+
+    // Write custom field options.
+    if (count($custom_field_options) > 0) {
+      fwrite($this->file, $this->indentation."  <custom_field_options>\n");
+      foreach ($custom_field_options as $option) {
+        $custom_field_option_part = $this->indentation.'    '."<custom_field_option id=\"".$this->customFieldOptionMap[$option['id']]."\"";
+        $custom_field_option_part .= " field_id=\"".$this->customFieldMap[$option['field_id']]."\"";
+        $custom_field_option_part .= " value=\"".htmlspecialchars($option['value'])."\"";
+        $custom_field_option_part .= "></custom_field_option>\n";
+        fwrite($this->file, $custom_field_option_part);
+      }
+      fwrite($this->file, $this->indentation."  </custom_field_options>\n");
+      unset($custom_field_options);
+      unset($custom_field_option_part);
+    }
+
+    // Write custom field log.
+    $custom_field_log = ttTeamHelper::getCustomFieldLog($this->group_id);
+    if (count($custom_field_log) > 0) {
+      fwrite($this->file, $this->indentation."  <custom_field_log>\n");
+      foreach ($custom_field_log as $entry) {
+        $custom_field_log_part = $this->indentation.'    '."<custom_field_log_entry log_id=\"".$this->logMap[$entry['log_id']]."\"";
+        $custom_field_log_part .= " field_id=\"".$this->customFieldMap[$entry['field_id']]."\"";
+        $custom_field_log_part .= " option_id=\"".$this->customFieldOptionMap[$entry['option_id']]."\"";
+        $custom_field_log_part .= " value=\"".htmlspecialchars($entry['value'])."\"";
+        $custom_field_log_part .= " status=\"".$entry['status']."\"";
+        $custom_field_log_part .= "></custom_field_log_entry>\n";
+        fwrite($this->file, $custom_field_log_part);
+      }
+      fwrite($this->file, $this->indentation."  </custom_field_log>\n");
+      unset($custom_field_log);
+      unset($custom_field_log_part);
+    }
+
+    // Write expense items.
+    $expense_items = ttTeamHelper::getExpenseItems($this->group_id);
+    if (count($expense_items) > 0) {
+      fwrite($this->file, $this->indentation."  <expense_items>\n");
+      foreach ($expense_items as $expense_item) {
+        $expense_item_part = $this->indentation.'    '."<expense_item date=\"".$expense_item['date']."\"";
+        $expense_item_part .= " user_id=\"".$this->userMap[$expense_item['user_id']]."\"";
+        $expense_item_part .= " client_id=\"".$this->clientMap[$expense_item['client_id']]."\"";
+        $expense_item_part .= " project_id=\"".$this->projectMap[$expense_item['project_id']]."\"";
+        $expense_item_part .= " name=\"".$this->encodeLineBreaks($expense_item['name'])."\"";
+        $expense_item_part .= " cost=\"".$expense_item['cost']."\"";
+        $expense_item_part .= " invoice_id=\"".$this->invoiceMap[$expense_item['invoice_id']]."\"";
+        $expense_item_part .= " approved=\"".$expense_item['approved']."\"";
+        $expense_item_part .= " paid=\"".$expense_item['paid']."\"";
+        $expense_item_part .= " status=\"".$expense_item['status']."\"";
+        $expense_item_part .= "></expense_item>\n";
+        fwrite($this->file, $expense_item_part);
+      }
+      fwrite($this->file, $this->indentation."  </expense_items>\n");
+      unset($expense_items);
+      unset($expense_item_part);
+    }
+
+    // Write predefined expenses.
+    $predefined_expenses = $this->getRecordsFromTable('tt_predefined_expenses');
+    if (count($predefined_expenses) > 0) {
+      fwrite($this->file, $this->indentation."  <predefined_expenses>\n");
+      foreach ($predefined_expenses as $predefined_expense) {
+        $predefined_expense_part = $this->indentation.'    '."<predefined_expense name=\"".htmlspecialchars($predefined_expense['name'])."\"";
+        $predefined_expense_part .= " cost=\"".$predefined_expense['cost']."\"";
+        $predefined_expense_part .= "></predefined_expense>\n";
+        fwrite($this->file, $predefined_expense_part);
+      }
+      fwrite($this->file, $this->indentation."  </predefined_expenses>\n");
+      unset($predefined_expenses);
+      unset($predefined_expense_part);
+    }
+
+    // Write templates.
+    $templates = $this->getRecordsFromTable('tt_templates');
+    if (count($templates) > 0) {
+      fwrite($this->file, $this->indentation."  <templates>\n");
+      foreach ($templates as $template) {
+        $template_part = $this->indentation.'    '."<template name=\"".htmlspecialchars($template['name'])."\"";
+        $template_part .= " description=\"".htmlspecialchars($template['description'])."\"";
+        $template_part .= " content=\"".$this->encodeLineBreaks($template['content'])."\"";
+        $template_part .= " status=\"".$template['status']."\"";
+        $template_part .= "></template>\n";
+        fwrite($this->file, $template_part);
+      }
+      fwrite($this->file, $this->indentation."  </templates>\n");
+      unset($templates);
+      unset($template_part);
+    }
+
+    // Write monthly quotas.
+    $quotas = ttTeamHelper::getMonthlyQuotas($this->group_id);
+    if (count($quotas) > 0) {
+      fwrite($this->file, $this->indentation."  <monthly_quotas>\n");
+      foreach ($quotas as $quota) {
+        $quota_part = $this->indentation.'    '."<monthly_quota year=\"".$quota['year']."\"";
+        $quota_part .= " month=\"".$quota['month']."\"";
+        $quota_part .= " minutes=\"".$quota['minutes']."\"";
+        $quota_part .= "></monthly_quota>\n";
+        fwrite($this->file, $quota_part);
+      }
+      fwrite($this->file, $this->indentation."  </monthly_quotas>\n");
+      unset($quotas);
+      unset($quota_part);
+    }
+
+    // Write fav reports.
+    if (count($fav_reports) > 0) {
+      fwrite($this->file, $this->indentation."  <fav_reports>\n");
+      foreach ($fav_reports as $fav_report) {
+        $user_list = '';
+        if (strlen($fav_report['users']) > 0) {
+          $arr = explode(',', $fav_report['users']);
+          foreach ($arr as $k=>$v) {
+            if (array_key_exists($arr[$k], $this->userMap))
+              $user_list .= (strlen($user_list) == 0? '' : ',').$this->userMap[$v];
+          }
+        }
+        $fav_report_part = $this->indentation.'    '."<fav_report id=\"".$this->favReportMap[$fav_report['id']]."\"";
+        $fav_report_part .= " user_id=\"".$this->userMap[$fav_report['user_id']]."\"";
+        $fav_report_part .= " name=\"".htmlspecialchars($fav_report['name'])."\"";
+        $fav_report_part .= " client_id=\"".$this->clientMap[$fav_report['client_id']]."\"";
+        $fav_report_part .= " cf_1_option_id=\"".$this->customFieldOptionMap[$fav_report['cf_1_option_id']]."\"";
+        $fav_report_part .= " project_id=\"".$this->projectMap[$fav_report['project_id']]."\"";
+        $fav_report_part .= " task_id=\"".$this->taskMap[$fav_report['task_id']]."\"";
+        $fav_report_part .= " billable=\"".$fav_report['billable']."\"";
+        $fav_report_part .= " approved=\"".$fav_report['approved']."\"";
+        $fav_report_part .= " invoice=\"".$fav_report['invoice']."\"";
+        $fav_report_part .= " timesheet=\"".$fav_report['timesheet']."\"";
+        $fav_report_part .= " paid_status=\"".$fav_report['paid_status']."\"";
+        $fav_report_part .= " users=\"".$user_list."\"";
+        $fav_report_part .= " period=\"".$fav_report['period']."\"";
+        $fav_report_part .= " period_start=\"".$fav_report['period_start']."\"";
+        $fav_report_part .= " period_end=\"".$fav_report['period_end']."\"";
+        $fav_report_part .= " show_client=\"".$fav_report['show_client']."\"";
+        $fav_report_part .= " show_invoice=\"".$fav_report['show_invoice']."\"";
+        $fav_report_part .= " show_paid=\"".$fav_report['show_paid']."\"";
+        $fav_report_part .= " show_ip=\"".$fav_report['show_ip']."\"";
+        $fav_report_part .= " show_project=\"".$fav_report['show_project']."\"";
+        $fav_report_part .= " show_timesheet=\"".$fav_report['show_timesheet']."\"";
+        $fav_report_part .= " show_start=\"".$fav_report['show_start']."\"";
+        $fav_report_part .= " show_duration=\"".$fav_report['show_duration']."\"";
+        $fav_report_part .= " show_cost=\"".$fav_report['show_cost']."\"";
+        $fav_report_part .= " show_task=\"".$fav_report['show_task']."\"";
+        $fav_report_part .= " show_end=\"".$fav_report['show_end']."\"";
+        $fav_report_part .= " show_note=\"".$fav_report['show_note']."\"";
+        $fav_report_part .= " show_approved=\"".$fav_report['show_approved']."\"";
+        $fav_report_part .= " show_totals_only=\"".$fav_report['show_totals_only']."\"";
+        $fav_report_part .= " show_custom_field_1=\"".$fav_report['show_custom_field_1']."\"";
+        $fav_report_part .= " show_work_units=\"".$fav_report['show_work_units']."\"";
+        $fav_report_part .= " group_by1=\"".$fav_report['group_by1']."\"";
+        $fav_report_part .= " group_by2=\"".$fav_report['group_by2']."\"";
+        $fav_report_part .= " group_by3=\"".$fav_report['group_by3']."\"";
+        $fav_report_part .= "></fav_report>\n";
+        fwrite($this->file, $fav_report_part);
+      }
+      fwrite($this->file, $this->indentation."  </fav_reports>\n");
+      unset($fav_reports);
+      unset($fav_report_part);
+    }
+
+    // Write notifications.
+    $notifications = $this->getRecordsFromTable('tt_cron');
+    if (count($notifications) > 0) {
+      fwrite($this->file, $this->indentation."  <notifications>\n");
+      foreach ($notifications as $notification) {
+        $notification_part = $this->indentation.'    '."<notification cron_spec=\"".$notification['cron_spec']."\"";
+        $notification_part .= " last=\"".$notification['last']."\"";
+        $notification_part .= " next=\"".$notification['next']."\"";
+        $notification_part .= " report_id=\"".$this->favReportMap[$notification['report_id']]."\"";
+        $notification_part .= " email=\"".htmlspecialchars($notification['email'])."\"";
+        $notification_part .= " cc=\"".htmlspecialchars($notification['cc'])."\"";
+        $notification_part .= " subject=\"".htmlspecialchars($notification['subject'])."\"";
+        $notification_part .= " report_condition=\"".htmlspecialchars($notification['report_condition'])."\"";
+        $notification_part .= " status=\"".$notification['status']."\"";
+        $notification_part .= "></notification>\n";
+        fwrite($this->file, $notification_part);
+      }
+      fwrite($this->file, $this->indentation."  </notifications>\n");
+      unset($notifications);
+      unset($notification_part);
+    }
+
+    // Write user config parameters.
+    $user_params = $this->getRecordsFromTable('tt_config');
+    if (count($user_params) > 0) {
+      fwrite($this->file, $this->indentation."  <user_params>\n");
+      foreach ($user_params as $user_param) {
+        $user_param_part = $this->indentation.'    '."<user_param user_id=\"".$this->userMap[$user_param['user_id']]."\"";
+        $user_param_part .= " param_name=\"".htmlspecialchars($user_param['param_name'])."\"";
+        $user_param_part .= " param_value=\"".htmlspecialchars($user_param['param_value'])."\"";
+        $user_param_part .= "></user_param>\n";
+        fwrite($this->file, $user_param_part);
+      }
+      fwrite($this->file, $this->indentation."  </user_params>\n");
+      unset($user_params);
+      unset($user_param_part);
+    }
+
+    // We are mostly done with writing this group data, destroy all maps.
+    unset($this->roleMap);
+    unset($this->userMap);
+    unset($this->taskMap);
+    unset($this->projectMap);
+    unset($this->clientMap);
+    unset($this->invoiceMap);
+    unset($this->logMap);
+    unset($this->customFieldMap);
+    unset($this->customFieldOptionMap);
 
     // Call self recursively for all subgroups.
     foreach ($this->subgroups as $subgroup) {
       $subgroup_helper = new ttGroupExportHelper($subgroup['id'], $this->file, $this->indentation.'  ');
       $subgroup_helper->writeData();
     }
+    unset($this->subgroups);
 
     fwrite($this->file, $this->indentation."</group>\n");
   }
+
+  // encodeLineBreaks encodes line breaks with an escape sequence.
+  // We do this, because our strings are attribute values inside XML tags.
+  //
+  // If we don't, we lose line breaks after importing data because
+  // XML parser converts line breaks into a single white character.
+  //
+  // TODO: investigate whether we need to encode \t, etc.
+  private function encodeLineBreaks($source) {
+    $result = htmlspecialchars($source);
+    $result = str_replace ("\n", '&#10;', $result);
+    $result = str_replace ("\r", '&#13;', $result);
+    return $result;
+  }
 }