WEB-INF/lib/ttGroupExportHelper.class.php

   1 <?php
   2 // +----------------------------------------------------------------------+
   3 // | Anuko Time Tracker
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  28
  29 // ttGroupExportHelper - this class is used to write data for a single group
  30 // to a file. When group contains other groups, it reuses itself recursively.
  31 //
  32 // Currently, it is work in progress.
  33 // When done, it should handle export of organizations containing multiple groups.
  34 class ttGroupExportHelper {
  35
  36   var $group_id = null;     // Group we are exporting.
  37   var $file     = null;     // File to write to.
  38   var $indentation = null;  // A string consisting of a number of spaces.
  39   var $subgroups = array(); // Immediate subgroups.
  40
  41   // The following arrays are maps between entity ids in the file versus the database.
  42   // We write to the file sequentially (1,2,3...) while in the database the entities have different ids.
  43   var $userMap    = array();
  44   var $roleMap    = array();
  45   var $taskMap    = array();
  46   var $projectMap = array();
  47   var $clientMap  = array();
  48   var $invoiceMap = array();
  49   var $logMap     = array();
  50   var $customFieldMap = array();
  51   var $customFieldOptionMap = array();
  52
  53   // Constructor.
  54   function __construct($group_id, $file, $indentation) {
  55     global $user;
  56
  57     $this->group_id = $group_id;
  58     $this->file = $file;
  59     $this->indentation = $indentation;
  60
  61     // Build a list of subgroups.
  62     $mdb2 = getConnection();
  63     $sql =  "select id from tt_groups".
  64             " where status = 1 and parent_id = $this->group_id and org_id = $user->org_id";
  65     $res = $mdb2->query($sql);
  66     if (!is_a($res, 'PEAR_Error')) {
  67       while ($val = $res->fetchRow()) {
  68         $this->subgroups[] = $val;
  69       }
  70     }
  71   }
  72
  73   // getGroupData obtains group attributes for export.
  74   function getGroupData() {
  75     global $user;
  76     $mdb2 = getConnection();
  77
  78     $sql =  "select * from tt_groups".
  79             " where status = 1 and id = $this->group_id and org_id = $user->org_id";
  80     $res = $mdb2->query($sql);
  81     if (!is_a($res, 'PEAR_Error')) {
  82       $val = $res->fetchRow();
  83     }
  84     return $val;
  85   }
  86
  87   // The getUsers obtains all users in group for the purpose of export.
  88   function getUsers() {
  89     global $user;
  90     $mdb2 = getConnection();
  91
  92     $sql = "select u.*, r.rank from tt_users u left join tt_roles r on (u.role_id = r.id)".
  93       " where u.group_id = $this->group_id and u.org_id = $user->org_id order by upper(u.name)"; // Note: deleted users are included.
  94     $res = $mdb2->query($sql);
  95     $result = array();
  96     if (!is_a($res, 'PEAR_Error')) {
  97       while ($val = $res->fetchRow()) {
  98         $result[] = $val;
  99       }
 100       return $result;
 101     }
 102     return false;
 103   }
 104
 105   // getRoles - obtains all roles defined for group.
 106   function getRoles() {
 107     global $user;
 108     $mdb2 = getConnection();
 109
 110     $result = array();
 111     $sql = "select * from tt_roles where group_id = $this->group_id and org_id = $user->org_id";
 112     $res = $mdb2->query($sql);
 113     $result = array();
 114     if (!is_a($res, 'PEAR_Error')) {
 115       while ($val = $res->fetchRow()) {
 116         $result[] = $val;
 117       }
 118       return $result;
 119     }
 120     return false;
 121   }
 122
 123   // getTasks - obtains all tasks defined for group.
 124   function getTasks() {
 125     global $user;
 126     $mdb2 = getConnection();
 127
 128     $result = array();
 129     $sql = "select * from tt_tasks where group_id = $this->group_id and org_id = $user->org_id";
 130     $res = $mdb2->query($sql);
 131     $result = array();
 132     if (!is_a($res, 'PEAR_Error')) {
 133       while ($val = $res->fetchRow()) {
 134         $result[] = $val;
 135       }
 136       return $result;
 137     }
 138     return false;
 139   }
 140
 141   // getProjects - obtains all projects defined for group.
 142   function getProjects() {
 143     global $user;
 144     $mdb2 = getConnection();
 145
 146     $result = array();
 147     $sql = "select * from tt_projects where group_id = $this->group_id and org_id = $user->org_id";
 148     $res = $mdb2->query($sql);
 149     $result = array();
 150     if (!is_a($res, 'PEAR_Error')) {
 151       while ($val = $res->fetchRow()) {
 152         $result[] = $val;
 153       }
 154       return $result;
 155     }
 156     return false;
 157   }
 158
 159   // getClients - obtains all clients defined for group.
 160   function getClients() {
 161     global $user;
 162     $mdb2 = getConnection();
 163
 164     $result = array();
 165     $sql = "select * from tt_clients where group_id = $this->group_id and org_id = $user->org_id";
 166     $res = $mdb2->query($sql);
 167     $result = array();
 168     if (!is_a($res, 'PEAR_Error')) {
 169       while ($val = $res->fetchRow()) {
 170         $result[] = $val;
 171       }
 172       return $result;
 173     }
 174     return false;
 175   }
 176
 177   // writeData writes group data into file.
 178   function writeData() {
 179
 180     // Write group info.
 181     $group = $this->getGroupData();
 182     $group_part = "<group name=\"".htmlspecialchars($group['name'])."\"";
 183     $group_part .= " currency=\"".htmlspecialchars($group['currency'])."\"";
 184     $group_part .= " decimal_mark=\"".$group['decimal_mark']."\"";
 185     $group_part .= " lang=\"".$group['lang']."\"";
 186     $group_part .= " date_format=\"".$group['date_format']."\"";
 187     $group_part .= " time_format=\"".$group['time_format']."\"";
 188     $group_part .= " week_start=\"".$group['week_start']."\"";
 189     $group_part .= " tracking_mode=\"".$group['tracking_mode']."\"";
 190     $group_part .= " project_required=\"".$group['project_required']."\"";
 191     $group_part .= " task_required=\"".$group['task_required']."\"";
 192     $group_part .= " record_type=\"".$group['record_type']."\"";
 193     $group_part .= " bcc_email=\"".$group['bcc_email']."\"";
 194     $group_part .= " allow_ip=\"".$group['allow_ip']."\"";
 195     $group_part .= " password_complexity=\"".$group['password_complexity']."\"";
 196     $group_part .= " plugins=\"".$group['plugins']."\"";
 197     $group_part .= " lock_spec=\"".$group['lock_spec']."\"";
 198     $group_part .= " workday_minutes=\"".$group['workday_minutes']."\"";
 199     $group_part .= " custom_logo=\"".$group['custom_logo']."\"";
 200     $group_part .= " config=\"".$group['config']."\"";
 201     $group_part .= ">\n";
 202
 203     // Write group info.
 204     fwrite($this->file, $this->indentation.$group_part);
 205     unset($group);
 206     unset($group_part);
 207
 208     // Prepare user map.
 209     $users = $this->getUsers();
 210     foreach ($users as $key=>$user_item)
 211       $this->userMap[$user_item['id']] = $key + 1;
 212
 213     // Prepare role map.
 214     $roles = $this->getRoles();
 215     foreach ($roles as $key=>$role_item)
 216       $this->roleMap[$role_item['id']] = $key + 1;
 217
 218     // Prepare task map.
 219     $tasks = $this->getTasks();
 220     foreach ($tasks as $key=>$task_item)
 221       $this->taskMap[$task_item['id']] = $key + 1;
 222
 223     // Prepare project map.
 224     $projects = $this->getProjects();
 225     foreach ($projects as $key=>$project_item)
 226       $this->projectMap[$project_item['id']] = $key + 1;
 227
 228     // Prepare client map.
 229     $clients = $this->getClients();
 230     foreach ($clients as $key=>$client_item)
 231       $this->clientMap[$client_item['id']] = $key + 1;
 232
 233     // Prepare invoice map.
 234     $invoices = ttTeamHelper::getAllInvoices();
 235     foreach ($invoices as $key=>$invoice_item)
 236       $this->invoiceMap[$invoice_item['id']] = $key + 1;
 237
 238     // Prepare custom fields map.
 239     $custom_fields = ttTeamHelper::getAllCustomFields($this->group_id);
 240     foreach ($custom_fields as $key=>$custom_field)
 241       $this->customFieldMap[$custom_field['id']] = $key + 1;
 242
 243     // Prepare custom field options map.
 244     $custom_field_options = ttTeamHelper::getAllCustomFieldOptions($this->group_id);
 245     foreach ($custom_field_options as $key=>$option)
 246       $this->customFieldOptionMap[$option['id']] = $key + 1;
 247
 248     // Write roles.
 249     fwrite($this->file, $this->indentation."  <roles>\n");
 250     foreach ($roles as $role) {
 251       $role_part = $this->indentation.'    '."<role id=\"".$this->roleMap[$role['id']]."\"";
 252       $role_part .= " name=\"".htmlspecialchars($role['name'])."\"";
 253       $role_part .= " description=\"".htmlspecialchars($role['description'])."\"";
 254       $role_part .= " rank=\"".$role['rank']."\"";
 255       $role_part .= " rights=\"".htmlspecialchars($role['rights'])."\"";
 256       $role_part .= " status=\"".$role['status']."\"";
 257       $role_part .= "></role>\n";
 258       fwrite($this->file, $role_part);
 259     }
 260     fwrite($this->file, $this->indentation."  </roles>\n");
 261     unset($roles);
 262     unset($role_part);
 263
 264     // Write tasks.
 265     fwrite($this->file, $this->indentation."  <tasks>\n");
 266     foreach ($tasks as $task) {
 267       $task_part = $this->indentation.'    '."<task id=\"".$this->taskMap[$task['id']]."\"";
 268       $task_part .= " name=\"".htmlspecialchars($task['name'])."\"";
 269       $task_part .= " description=\"".htmlspecialchars($task['description'])."\"";
 270       $task_part .= " status=\"".$task['status']."\"";
 271       $task_part .= "></task>\n";
 272       fwrite($this->file, $task_part);
 273     }
 274     fwrite($this->file, $this->indentation."  </tasks>\n");
 275     unset($tasks);
 276     unset($task_part);
 277
 278     // Write projects.
 279     fwrite($this->file, $this->indentation."  <projects>\n");
 280     foreach ($projects as $project_item) {
 281       if($project_item['tasks']){
 282         $tasks = explode(',', $project_item['tasks']);
 283         $tasks_mapped = array();
 284         foreach ($tasks as $item)
 285           $tasks_mapped[] = $this->taskMap[$item];
 286         $tasks_str = implode(',', $tasks_mapped);
 287       }
 288       $project_part = $this->indentation.'    '."<project id=\"".$this->projectMap[$project_item['id']]."\"";
 289       $project_part .= " name=\"".htmlspecialchars($project_item['name'])."\"";
 290       $project_part .= " description=\"".htmlspecialchars($project_item['description'])."\"";
 291       $project_part .= " tasks=\"".$tasks_str."\"";
 292       $project_part .= " status=\"".$project_item['status']."\"";
 293       $project_part .= "></project>\n";
 294       fwrite($this->file, $project_part);
 295     }
 296     fwrite($this->file, $this->indentation."  </projects>\n");
 297     unset($projects);
 298     unset($project_part);
 299
 300     // Write clients.
 301     fwrite($this->file, $this->indentation."  <clients>\n");
 302     foreach ($clients as $client_item) {
 303       if($client_item['projects']){
 304         $projects_db = explode(',', $client_item['projects']);
 305         $projects_mapped = array();
 306         foreach ($projects_db as $item)
 307           $projects_mapped[] = $this->projectMap[$item];
 308         $projects_str = implode(',', $projects_mapped);
 309       }
 310       $client_part = $this->indentation.'    '."<client id=\"".$this->clientMap[$client_item['id']]."\"";
 311       $client_part .= " name=\"".htmlspecialchars($client_item['name'])."\"";
 312       $client_part .= " address=\"".htmlspecialchars($client_item['address'])."\"";
 313       $client_part .= " tax=\"".$client_item['tax']."\"";
 314       $client_part .= " projects=\"".$projects_str."\"";
 315       $client_part .= " status=\"".$client_item['status']."\"";
 316       $client_part .= "></client>\n";
 317       fwrite($this->file, $client_part);
 318     }
 319     fwrite($this->file, $this->indentation."  </clients>\n");
 320     unset($clients);
 321     unset($client_part);
 322
 323     // Write users.
 324     fwrite($this->file, $this->indentation."  <users>\n");
 325     foreach ($users as $user_item) {
 326       $role_id = $user_item['rank'] == 512 ? 0 : $this->roleMap[$user_item['role_id']]; // Special role_id 0 (not null) for top manager.
 327       $user_part = $this->indentation.'    '."<user id=\"".$this->userMap[$user_item['id']]."\"";
 328       $user_part .= " name=\"".htmlspecialchars($user_item['name'])."\"";
 329       $user_part .= " login=\"".htmlspecialchars($user_item['login'])."\"";
 330       $user_part .= " password=\"".$user_item['password']."\"";
 331       $user_part .= " role_id=\"".$role_id."\"";
 332       $user_part .= " client_id=\"".$this->clientMap[$user_item['client_id']]."\"";
 333       $user_part .= " rate=\"".$user_item['rate']."\"";
 334       $user_part .= " email=\"".$user_item['email']."\"";
 335       $user_part .= " status=\"".$user_item['status']."\"";
 336       $user_part .= "></user>\n";
 337       fwrite($this->file, $user_part);
 338     }
 339     fwrite($this->file, $this->indentation."  </users>\n");
 340     unset($users);
 341     unset($user_part);
 342
 343     // Write user to project binds.
 344     fwrite($this->file, $this->indentation."  <user_project_binds>\n");
 345     $user_binds = ttTeamHelper::getUserToProjectBinds($this->group_id);
 346     foreach ($user_binds as $bind) {
 347       $user_id = $this->userMap[$bind['user_id']];
 348       $project_id = $this->projectMap[$bind['project_id']];
 349       $bind_part = $this->indentation.'    '."<user_project_bind user_id=\"".$user_id."\"";
 350       $bind_part .= " project_id=\"".$project_id."\"";
 351       $bind_part .= " rate=\"".$bind['rate']."\"";
 352       $bind_part .= " status=\"".$bind['status']."\"";
 353       $bind_part .= "></user_project_bind>\n";
 354       fwrite($this->file, $bind_part);
 355     }
 356     fwrite($this->file, $this->indentation."  </user_project_binds>\n");
 357     unset($user_binds);
 358     unset($bind_part);
 359
 360     // Write invoices.
 361     fwrite($this->file, $this->indentation."  <invoices>\n");
 362     foreach ($invoices as $invoice_item) {
 363       $invoice_part = $this->indentation.'    '."<invoice id=\"".$this->invoiceMap[$invoice_item['id']]."\"";
 364       $invoice_part .= " name=\"".htmlspecialchars($invoice_item['name'])."\"";
 365       $invoice_part .= " date=\"".$invoice_item['date']."\"";
 366       $invoice_part .= " client_id=\"".$this->clientMap[$invoice_item['client_id']]."\"";
 367       $invoice_part .= " status=\"".$invoice_item['status']."\"";
 368       $invoice_part .= "></invoice>\n";
 369       fwrite($this->file, $invoice_part);
 370     }
 371     fwrite($this->file, $this->indentation."  </invoices>\n");
 372     unset($invoices);
 373     unset($invoice_part);
 374
 375     // Write time log entries and build logMap at the same time.
 376     fwrite($this->file, $this->indentation."  <log>\n");
 377     $key = 0;
 378     foreach ($this->userMap as $key => $value) {
 379       $user_id = $key;
 380       $records = ttTimeHelper::getAllRecords($user_id);
 381       foreach ($records as $record) {
 382         $key++;
 383         $this->logMap[$record['id']] = $key;
 384         $log_part = $this->indentation.'    '."<log_item id=\"$key\"";
 385         $log_part .= " user_id=\"".$this->userMap[$record['user_id']]."\"";
 386         $log_part .= " date=\"".$record['date']."\"";
 387         $log_part .= " start=\"".$record['start']."\"";
 388         $log_part .= " finish=\"".$record['finish']."\"";
 389         $log_part .= " duration=\"".($record['start']?"":$record['duration'])."\"";
 390         $log_part .= " client_id=\"".$this->clientMap[$record['client_id']]."\"";
 391         $log_part .= " project_id=\"".$this->projectMap[$record['project_id']]."\"";
 392         $log_part .= " task_id=\"".$this->taskMap[$record['task_id']]."\"";
 393         $log_part .= " invoice_id=\"".$this->invoiceMap[$record['invoice_id']]."\"";
 394         $log_part .= " comment=\"".htmlspecialchars($record['comment'])."\"";
 395         $log_part .= " billable=\"".$record['billable']."\"";
 396         $log_part .= " paid=\"".$record['paid']."\"";
 397         $log_part .= " status=\"".$record['status']."\"";
 398         $log_part .= "></log_item>\n";
 399         fwrite($this->file, $log_part);
 400       }
 401     }
 402     fwrite($this->file, $this->indentation."  </log>\n");
 403     unset($records);
 404     unset($log_part);
 405
 406     // Write custom fields.
 407     fwrite($this->file, $this->indentation."  <custom_fields>\n");
 408     foreach ($custom_fields as $custom_field) {
 409       $custom_field_part = $this->indentation.'    '."<custom_field id=\"".$this->customFieldMap[$custom_field['id']]."\"";
 410       $custom_field_part .= " type=\"".$custom_field['type']."\"";
 411       $custom_field_part .= " label=\"".htmlspecialchars($custom_field['label'])."\"";
 412       $custom_field_part .= " required=\"".$custom_field['required']."\"";
 413       $custom_field_part .= " status=\"".$custom_field['status']."\"";
 414       $custom_field_part .= "></custom_field>\n";
 415       fwrite($this->file, $custom_field_part);
 416     }
 417     fwrite($this->file, $this->indentation."  </custom_fields>\n");
 418     unset($custom_fields);
 419     unset($custom_field_part);
 420
 421     // Write custom field options.
 422     fwrite($this->file, $this->indentation."  <custom_field_options>\n");
 423     foreach ($custom_field_options as $option) {
 424       $custom_field_option_part = $this->indentation.'    '."<custom_field_option id=\"".$this->customFieldOptionMap[$option['id']]."\"";
 425       $custom_field_option_part .= " field_id=\"".$this->customFieldMap[$option['field_id']]."\"";
 426       $custom_field_option_part .= " value=\"".htmlspecialchars($option['value'])."\"";
 427       $custom_field_option_part .= "></custom_field_option>\n";
 428       fwrite($this->file, $custom_field_option_part);
 429     }
 430     fwrite($this->file, $this->indentation."  </custom_field_options>\n");
 431     unset($custom_field_options);
 432     unset($custom_field_option_part);
 433
 434     // Write custom field log.
 435     $custom_field_log = ttTeamHelper::getCustomFieldLog($this->group_id);
 436     fwrite($this->file, $this->indentation."  <custom_field_log>\n");
 437     foreach ($custom_field_log as $entry) {
 438       $custom_field_log_part = $this->indentation.'    '."<custom_field_log_entry log_id=\"".$this->logMap[$entry['log_id']]."\"";
 439       $custom_field_log_part .= " field_id=\"".$this->customFieldMap[$entry['field_id']]."\"";
 440       $custom_field_log_part .= " option_id=\"".$this->customFieldOptionMap[$entry['option_id']]."\"";
 441       $custom_field_log_part .= " value=\"".htmlspecialchars($entry['value'])."\"";
 442       $custom_field_log_part .= " status=\"".$entry['status']."\"";
 443       $custom_field_log_part .= "></custom_field_log_entry>\n";
 444       fwrite($this->file, $custom_field_log_part);
 445     }
 446     fwrite($this->file, $this->indentation."  </custom_field_log>\n");
 447     unset($custom_field_log);
 448     unset($custom_field_log_part);
 449
 450     // Write expense items.
 451     $expense_items = ttTeamHelper::getExpenseItems($this->group_id);
 452     fwrite($this->file, $this->indentation."  <expense_items>\n");
 453     foreach ($expense_items as $expense_item) {
 454       $expense_item_part = $this->indentation.'    '."<expense_item date=\"".$expense_item['date']."\"";
 455       $expense_item_part .= " user_id=\"".$this->userMap[$expense_item['user_id']]."\"";
 456       $expense_item_part .= " client_id=\"".$this->clientMap[$expense_item['client_id']]."\"";
 457       $expense_item_part .= " project_id=\"".$this->projectMap[$expense_item['project_id']]."\"";
 458       $expense_item_part .= " name=\"".htmlspecialchars($expense_item['name'])."\"";
 459       $expense_item_part .= " cost=\"".$expense_item['cost']."\"";
 460       $expense_item_part .= " invoice_id=\"".$this->invoiceMap[$expense_item['invoice_id']]."\"";
 461       $expense_item_part .= " paid=\"".$expense_item['paid']."\"";
 462       $expense_item_part .= " status=\"".$expense_item['status']."\"";
 463       $expense_item_part .= "></expense_item>\n";
 464       fwrite($this->file, $expense_item_part);
 465     }
 466     fwrite($this->file, $this->indentation."  </expense_items>\n");
 467     unset($expense_items);
 468     unset($expense_item_part);
 469
 470     // Write monthly quotas.
 471     $quotas = ttTeamHelper::getMonthlyQuotas($this->group_id);
 472     fwrite($this->file, $this->indentation."  <monthly_quotas>\n");
 473     foreach ($quotas as $quota) {
 474       $quota_part = $this->indentation.'    '."<monthly_quota year=\"".$quota['year']."\"";
 475       $quota_part .= " month=\"".$quota['month']."\"";
 476       $quota_part .= " minutes=\"".$quota['minutes']."\"";
 477       $quota_part .= "></monthly_quota>\n";
 478       fwrite($this->file, $quota_part);
 479     }
 480     fwrite($this->file, $this->indentation."  </monthly_quotas>\n");
 481     unset($quotas);
 482     unset($quota_part);
 483
 484     // Write fav reports.
 485     $fav_reports = ttTeamHelper::getFavReports($this->group_id);
 486     fwrite($this->file, $this->indentation."  <fav_reports>\n");
 487     foreach ($fav_reports as $fav_report) {
 488       $user_list = '';
 489       if (strlen($fav_report['users']) > 0) {
 490         $arr = explode(',', $fav_report['users']);
 491         foreach ($arr as $k=>$v) {
 492           if (array_key_exists($arr[$k], $this->userMap))
 493             $user_list .= (strlen($user_list) == 0? '' : ',').$this->userMap[$v];
 494         }
 495       }
 496       $fav_report_part = $this->indentation.'    '."<fav_report user_id=\"".$this->userMap[$fav_report['user_id']]."\"";
 497       $fav_report_part .= " name=\"".htmlspecialchars($fav_report['name'])."\"";
 498       $fav_report_part .= " client_id=\"".$this->clientMap[$fav_report['client_id']]."\"";
 499       $fav_report_part .= " cf_1_option_id=\"".$this->customFieldOptionMap[$fav_report['cf_1_option_id']]."\"";
 500       $fav_report_part .= " project_id=\"".$this->projectMap[$fav_report['project_id']]."\"";
 501       $fav_report_part .= " task_id=\"".$this->taskMap[$fav_report['task_id']]."\"";
 502       $fav_report_part .= " billable=\"".$fav_report['billable']."\"";
 503       $fav_report_part .= " users=\"".$user_list."\"";
 504       $fav_report_part .= " period=\"".$fav_report['period']."\"";
 505       $fav_report_part .= " period_start=\"".$fav_report['period_start']."\"";
 506       $fav_report_part .= " period_end=\"".$fav_report['period_end']."\"";
 507       $fav_report_part .= " show_client=\"".$fav_report['show_client']."\"";
 508       $fav_report_part .= " show_invoice=\"".$fav_report['show_invoice']."\"";
 509       $fav_report_part .= " show_paid=\"".$fav_report['show_paid']."\"";
 510       $fav_report_part .= " show_ip=\"".$fav_report['show_ip']."\"";
 511       $fav_report_part .= " show_project=\"".$fav_report['show_project']."\"";
 512       $fav_report_part .= " show_start=\"".$fav_report['show_start']."\"";
 513       $fav_report_part .= " show_duration=\"".$fav_report['show_duration']."\"";
 514       $fav_report_part .= " show_cost=\"".$fav_report['show_cost']."\"";
 515       $fav_report_part .= " show_task=\"".$fav_report['show_task']."\"";
 516       $fav_report_part .= " show_end=\"".$fav_report['show_end']."\"";
 517       $fav_report_part .= " show_note=\"".$fav_report['show_note']."\"";
 518       $fav_report_part .= " show_custom_field_1=\"".$fav_report['show_custom_field_1']."\"";
 519       $fav_report_part .= " show_work_units=\"".$fav_report['show_work_units']."\"";
 520       $fav_report_part .= " group_by1=\"".$fav_report['group_by1']."\"";
 521       $fav_report_part .= " group_by2=\"".$fav_report['group_by2']."\"";
 522       $fav_report_part .= " group_by3=\"".$fav_report['group_by3']."\"";
 523       $fav_report_part .= " show_totals_only=\"".$fav_report['show_totals_only']."\"";
 524       $fav_report_part .= "></fav_report>\n";
 525       fwrite($this->file, $fav_report_part);
 526     }
 527     fwrite($this->file, $this->indentation."  </fav_reports>\n");
 528     unset($fav_reports);
 529     unset($fav_report_part);
 530
 531     // We are mostly done with writing this group data, destroy all maps.
 532     unset($this->roleMap);
 533     unset($this->userMap);
 534     unset($this->taskMap);
 535     unset($this->projectMap);
 536     unset($this->clientMap);
 537     unset($this->invoiceMap);
 538     unset($this->logMap);
 539     unset($this->customFieldMap);
 540     unset($this->customFieldOptionMap);
 541
 542     // Call self recursively for all subgroups.
 543     foreach ($this->subgroups as $subgroup) {
 544       $subgroup_helper = new ttGroupExportHelper($subgroup['id'], $this->file, $this->indentation.'  ');
 545       $subgroup_helper->writeData();
 546     }
 547     unset($this->subgroups);
 548
 549     fwrite($this->file, $this->indentation."</group>\n");
 550   }
 551 }