X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=WEB-INF%2Flib%2FttUser.class.php;h=8b98caa37b236be6769f83154111232874bb14d2;hb=109089e858e28200e714a790883c236230b3922f;hp=e7fa3fa0b2af78ad831b69a855309a52d60c3f57;hpb=2ced7cd9d8dc6bb3225b9f2ec957cbfb1d7af285;p=timetracker.git

diff --git a/WEB-INF/lib/ttUser.class.php b/WEB-INF/lib/ttUser.class.php
index e7fa3fa0..8b98caa3 100644
--- a/WEB-INF/lib/ttUser.class.php
+++ b/WEB-INF/lib/ttUser.class.php
@@ -27,6 +27,8 @@
 // +----------------------------------------------------------------------+
 
 import('ttConfigHelper');
+import('ttGroupHelper');
+import('ttGroup');
 
 class ttUser {
   var $login = null;            // User login.
@@ -41,7 +43,8 @@ class ttUser {
   var $behalf_id = null;        // User id, on behalf of whom we are working.
   var $behalf_group_id = null;  // Group id, on behalf of which we are working.
   var $behalf_name = null;      // User name, on behalf of whom we are working.
-  var $behalf_group = null;     // Group name, on behalf of which we are working.
+  var $group_name = null;       // Group name.
+  var $behalf_group_name = null;// Group name, on behalf of which we are working.
   var $email = null;            // User email.
   var $lang = null;             // Language.
   var $decimal_mark = null;     // Decimal separator.
@@ -57,13 +60,13 @@ class ttUser {
   var $allow_overlap = 0;       // Whether to allow overlapping time entries.
   var $future_entries = 0;      // Whether to allow creating future entries.
   var $uncompleted_indicators = 0; // Uncompleted time entry indicators (show nowhere or on users page).
+  var $confirm_save = 1; // Work in progress. TODO: change default to 0 and get from group config upon init.
   var $bcc_email = null;        // Bcc email.
   var $allow_ip = null;         // Specification from where user is allowed access.
   var $password_complexity = null; // Password complexity example.
   var $currency = null;         // Currency.
   var $plugins = null;          // Comma-separated list of enabled plugins.
   var $config = null;           // Comma-separated list of miscellaneous config options.
-  var $group = null;            // Group name.
   var $custom_logo = 0;         // Whether to use a custom logo for group.
   var $lock_spec = null;        // Cron specification for record locking.
   var $workday_minutes = 480;   // Number of work minutes in a regular day.
@@ -73,6 +76,8 @@ class ttUser {
   var $first_unit_threshold = 0;// Threshold for 1st unit for Work units plugin.
   var $unit_totals_only = 0;    // Totals only option for the Work units plugin.
 
+  var $behalfGroup = null;      // A ttGroup instance with on behalf group attributes.
+
   // Constructor.
   function __construct($login, $id = null) {
     if (!$login && !$id) {
@@ -124,7 +129,7 @@ class ttUser {
       $this->bcc_email = $val['bcc_email'];
       $this->allow_ip = $val['allow_ip'];
       $this->password_complexity = $val['password_complexity'];
-      $this->group = $val['group_name'];
+      $this->group_name = $val['group_name'];
       $this->currency = $val['currency'];
       $this->plugins = $val['plugins'];
       $this->lock_spec = $val['lock_spec'];
@@ -149,25 +154,52 @@ class ttUser {
       
       // Set "on behalf" id and name (user).
       if (isset($_SESSION['behalf_id'])) {
-          $this->behalf_id = $_SESSION['behalf_id'];
-          $this->behalf_name = $_SESSION['behalf_name'];
+        $this->behalf_id = $_SESSION['behalf_id'];
+        $this->behalf_name = $_SESSION['behalf_name'];
       }
       // Set "on behalf" id and name (group).
       if (isset($_SESSION['behalf_group_id'])) {
-          $this->behalf_group_id = $_SESSION['behalf_group_id'];
-          $this->behalf_group = $_SESSION['behalf_group'];
+        $this->behalf_group_id = $_SESSION['behalf_group_id'];
+        $this->behalf_group_name = $_SESSION['behalf_group_name'];
+
+        $this->behalfGroup = new ttGroup($this->behalf_group_id, $this->org_id);
       }
     }
   }
 
-  // The getActiveUser returns user id on behalf of whom the current user is operating.
-  function getActiveUser() {
+  // The getUser returns user id on behalf of whom the current user is operating.
+  function getUser() {
     return ($this->behalf_id ? $this->behalf_id : $this->id);
   }
 
-  // The getActiveGroup returns group id on behalf of which the current user is operating.
-  function getActiveGroup() {
-    return ($this->behalf_group_id ? $this->behalf_group_id : $this->group_id);
+  // The getGroup returns group id on behalf of which the current user is operating.
+  function getGroup() {
+    return ($this->behalfGroup ? $this->behalfGroup->id : $this->group_id);
+  }
+
+  // getDecimalMark returns decimal mark for active group.
+  function getDecimalMark() {
+    return ($this->behalfGroup ? $this->behalfGroup->decimal_mark : $this->decimal_mark);
+  }
+
+  // getTrackingMode returns tracking mode for active group.
+  function getTrackingMode() {
+    return ($this->behalfGroup ? $this->behalfGroup->tracking_mode : $this->tracking_mode);
+  }
+
+  // getRecordType returns record type for active group.
+  function getRecordType() {
+    return ($this->behalfGroup ? $this->behalfGroup->record_type : $this->record_type);
+  }
+
+  // getPlugins returns plugins string for active group.
+  function getPlugins() {
+    return ($this->behalfGroup ? $this->behalfGroup->plugins : $this->plugins);
+  }
+
+  // getConfig returns config string for active group.
+  function getConfig() {
+    return ($this->behalfGroup ? $this->behalfGroup->config : $this->config);
   }
 
   // can - determines whether user has a right to do something.
@@ -183,7 +215,7 @@ class ttUser {
   // isPluginEnabled checks whether a plugin is enabled for user.
   function isPluginEnabled($plugin)
   {
-    return in_array($plugin, explode(',', $this->plugins));
+    return in_array($plugin, explode(',', $this->getPlugins()));
   }
 
   // getAssignedProjects - returns an array of assigned projects.
@@ -192,10 +224,11 @@ class ttUser {
     $result = array();
     $mdb2 = getConnection();
 
+    $group_id = $this->behalf_group_id ? $this->behalf_group_id : $this->group_id;
     // Do a query with inner join to get assigned projects.
     $sql = "select p.id, p.name, p.description, p.tasks, upb.rate from tt_projects p
-      inner join tt_user_project_binds upb on (upb.user_id = ".$this->getActiveUser()." and upb.project_id = p.id and upb.status = 1)
-      where p.group_id = $this->group_id and p.status = 1 order by p.name";
+      inner join tt_user_project_binds upb on (upb.user_id = ".$this->getUser()." and upb.project_id = p.id and upb.status = 1)
+      where p.group_id = $group_id and p.status = 1 order by p.name";
     $res = $mdb2->query($sql);
     if (!is_a($res, 'PEAR_Error')) {
       while ($val = $res->fetchRow()) {
@@ -304,13 +337,15 @@ class ttUser {
 
   // getUsers obtains users in a group, as specififed by options.
   function getUsers($options) {
-
     $mdb2 = getConnection();
 
+    $group_id = $this->getGroup();
+    $org_id = $this->org_id;
+
     $skipClients = !isset($options['include_clients']);
     $includeSelf = isset($options['include_self']);
 
-    $select_part = 'select u.id, u.name';
+    $select_part = 'select u.id, u.group_id, u.name';
     if (isset($options['include_login'])) $select_part .= ', u.login';
     if (!isset($options['include_clients'])) $select_part .= ', r.rights';
     if (isset($options['include_role'])) $select_part .= ', r.name as role_name, r.rank';
@@ -321,7 +356,7 @@ class ttUser {
     if (isset($options['max_rank']) || $skipClients || isset($options['include_role']))
         $left_joins .= ' left join tt_roles r on (u.role_id = r.id)';
 
-    $where_part = " where u.group_id = $this->group_id";
+    $where_part = " where u.org_id = $org_id and u.group_id = $group_id";
     if (isset($options['status']))
       $where_part .= ' and u.status = '.(int)$options['status'];
     else
@@ -363,62 +398,105 @@ class ttUser {
     return $user_list;
   }
 
-  // getGroups obtains an array consisting of:
-  // - A parent group (..) of a currently selected group, if available.
-  // - A currently selected group (.) represented by $behalf_group_id.
-  // - All subgroups (only immediate children) of a currently selected group.
-  function getGroups() {
+  // getGroupsForDropdown obtains an array of groups to populate "Group" dropdown.
+  // It consists of:
+  //   - User home group.
+  //   - The entire stack of groups all the way down to current on behalf group.
+  //   - All immediate children of the current on behalf group.
+  // This allows user to navigate easily to home group, anything in between, and 1 level below.
+  //
+  // Note 1: group dropdown is, by design, to be placed on all pages where "relevant",
+  // such as users.php, projects.php, tasks.php, etc. But some features may be disabled
+  // in some groups. We should check for feature availability on group change
+  // in post and redirect to feature_disabled.php when this happens.
+  // This will allow us to keep dropdown content consistent on all pages.
+  // Filtering content of the dropdown does not seem right.
+  //
+  // Note 2: Menu should display according to $user home group settings.
+  //         Pages, should look according to $user->behalfGroup settings (if set).
+  //         For example, if home group allows tasks, menu should display Tasks,
+  //         even when we are on behalf of a subgroup without tasks.
+  //
+  // Note 3: Language of all pages should be as in $user home group even when
+  //         subgroups have a different language.
+  function getGroupsForDropdown() {
     $mdb2 = getConnection();
 
+    // Start with subgroups.
+    $groups = array();
+    $group_id = $this->getGroup();
+    $sql = "select id, name from tt_groups where org_id = $this->org_id and parent_id = $group_id and status = 1";
+    $res = $mdb2->query($sql);
+    if (!is_a($res, 'PEAR_Error')) {
+      while ($val = $res->fetchRow()) {
+        $groups[] = $val;
+      }
+    }
+
+    // Add current on behalf group to the beginning of array.
     $selected_group_id = ($this->behalf_group_id ? $this->behalf_group_id : $this->group_id);
+    $selected_group_name = ($this->behalf_group_id ? $this->behalf_group_name : $this->group_name);
+    array_unshift($groups,  array('id'=>$selected_group_id,'name'=>$selected_group_name));
 
-    // Start with parent group.
-    if ($selected_group_id != $this->org_id) {
-      // We are in one of the subgroups, and a parent exists.
-      // Get parent group info.
-      $sql = "select parent_id from tt_groups where org_id = $this->org_id and id = $selected_group_id";
+    // Iterate all the way to the home group, starting with selected ("on behalf") group.
+    $current_group_id = $selected_group_id;
+    while ($current_group_id != $this->group_id) {
+      $sql = "select parent_id from tt_groups where org_id = $this->org_id and id = $current_group_id and status = 1";
       $res = $mdb2->query($sql);
-      if (!is_a($res, 'PEAR_Error')) {
+      if (is_a($res, 'PEAR_Error')) return false;
+
+      $val = $res->fetchRow();
+      $parent_id = $val['parent_id'];
+      if ($parent_id) {
+        // Get parent group name.
+        $sql = "select name from tt_groups where org_id = $this->org_id and id = $parent_id and status = 1";
+        $res = $mdb2->query($sql);
+        if (is_a($res, 'PEAR_Error')) return false;
         $val = $res->fetchRow();
-        $parent_id = $val['parent_id'];
-        if ($parent_id) {
-          // Get parent group name.
-          $sql = "select name from tt_groups where org_id = $this->org_id and id = $parent_id";
-          $res = $mdb2->query($sql);
-          if (!is_a($res, 'PEAR_Error')) {
-            $val = $res->fetchRow();
-            $groups[] = array('id'=>$parent_id,'name'=>$val['name']);
-          }
-        }
+        if (!$val) return false;
+        array_unshift($groups, array('id'=>$parent_id,'name'=>$val['name']));
+        $current_group_id = $parent_id;
+      } else {
+        return false;
       }
     }
+    return $groups;
+  }
+
+  // getSubgroups obtains a list of immediate subgroups.
+  function getSubgroups($group_id = null) {
+    $mdb2 = getConnection();
 
-    // Add current group.
-    $selected_group_name = ($this->behalf_group_id ? $this->behalf_group : $this->group);
-    $groups[] = array('id'=>$selected_group_id,'name'=>$selected_group_name);
+    if (!$group_id) $group_id = $this->getGroup();
 
-    // Add subgroups.
-    $sql = "select id, name from tt_groups where org_id = $this->org_id and parent_id = $selected_group_id";
+    $sql = "select id, name, description from tt_groups where org_id = $this->org_id".
+      " and parent_id = $group_id and status is not null order by upper(name)";
     $res = $mdb2->query($sql);
     if (!is_a($res, 'PEAR_Error')) {
       while ($val = $res->fetchRow()) {
-        $groups[] = array('id'=>$val['id'],'name'=>$val['name']);
+        $groups[] = $val;
       }
     }
     return $groups;
   }
 
-  // getUser function is used to manage users in group and returns user details.
+  // getUserDetails function is used to manage users in group and returns user details.
   // At the moment, the function is used for user edits and deletes.
-  function getUser($user_id) {
+  function getUserDetails($user_id) {
     if (!$this->can('manage_users')) return false;
 
     $mdb2 = getConnection();
+    $group_id = $this->getGroup();
+    $org_id = $this->org_id;
+
+    // Determine max rank. If we are searching in on behalf group
+    // then rank restriction does not apply.
+    $max_rank = $this->behalfGroup ? MAX_RANK : $this->rank;
 
     $sql =  "select u.id, u.name, u.login, u.role_id, u.client_id, u.status, u.rate, u.email from tt_users u".
-            " left join tt_roles r on (u.role_id = r.id)".
-            " where u.id = $user_id and u.group_id = $this->group_id and u.status is not null".
-            " and (r.rank < $this->rank or (r.rank = $this->rank and u.id = $this->id))"; // Users with lesser roles or self.
+      " left join tt_roles r on (u.role_id = r.id)".
+      " where u.id = $user_id and u.group_id = $group_id and u.org_id = $org_id and u.status is not null".
+      " and (r.rank < $max_rank or (r.rank = $max_rank and u.id = $this->id))"; // Users with lesser roles or self.
     $res = $mdb2->query($sql);
     if (!is_a($res, 'PEAR_Error')) {
       $val = $res->fetchRow();
@@ -428,13 +506,32 @@ class ttUser {
   }
 
   // checkBehalfId checks whether behalf_id is appropriate.
-  // On behalf user must be active and have lower rank.
+  // On behalf user must be active and have lower rank if the user is from home group,
+  // otherwise:
+  // - subgroup must ve valid;
+  // - user should be a member of it.
   function checkBehalfId() {
-    $options = array('status'=>ACTIVE,'max_rank'=>$this->rank-1);
-    $users = $this->getUsers($options);
-    foreach($users as $one_user) {
-      if ($one_user['id'] == $this->behalf_id)
-        return true;
+    if (!$this->behalf_group_id) {
+      // Checking user from home group.
+      $options = array('status'=>ACTIVE,'max_rank'=>$this->rank-1);
+      $users = $this->getUsers($options);
+      foreach($users as $one_user) {
+        if ($one_user['id'] == $this->behalf_id)
+          return true;
+      }
+    } else {
+      // Checking user from a subgroup.
+      $group_id = $this->behalf_group_id;
+      if (!$this->isSubgroupValid($group_id))
+        return false;
+
+      // So far, so good. Check user now.
+      $options = array('group_id'=>$group_id,'status'=>ACTIVE,'max_rank'=>MAX_RANK);
+      $users = $this->getUsers($options);
+      foreach($users as $one_user) {
+        if ($one_user['id'] == $this->behalf_id)
+          return true;
+      }
     }
     return false;
   }
@@ -445,8 +542,13 @@ class ttUser {
   // Needed for situations when user does not have do_own_something right.
   // Example: has view_charts but does not have view_own_charts.
   // In this case we still allow access to charts, but set behalf_id to someone else.
+  // Another example: working in a subgroup on behalf of someone else.
   function adjustBehalfId() {
-    $options = array('status'=>ACTIVE,'max_rank'=>$this->rank-1);
+    $group_id = $this->behalf_group_id ? $this->behalf_group_id : $this->group_id;
+    $rank = $this->getMaxRankForGroup($group_id);
+
+    // Adjust to first found user in group.
+    $options = array('group_id'=>$group_id,'status'=>ACTIVE,'max_rank'=>$rank);
     $users = $this->getUsers($options);
     foreach($users as $one_user) {
       // Fake loop to access first element.
@@ -464,10 +566,16 @@ class ttUser {
     if (!($this->can('manage_basic_settings') ||
       $this->can('manage_advanced_settings') ||
       $this->can('manage_features'))) return false;
+    // TODO: update the above for subgroup updates.
+
+    $group_id = $fields['group_id'];
+    if ($group_id && !$this->isGroupValid($group_id)) return false;
 
     $mdb2 = getConnection();
+    if (!$group_id) $group_id = $this->getGroup();
 
     if (isset($fields['name'])) $name_part = ', name = '.$mdb2->quote($fields['name']);
+    if (isset($fields['description'])) $description_part = ', description = '.$mdb2->quote($fields['description']);
     if (isset($fields['currency'])) $currency_part = ', currency = '.$mdb2->quote($fields['currency']);
     if (isset($fields['lang'])) $lang_part = ', lang = '.$mdb2->quote($fields['lang']);
     if (isset($fields['decimal_mark'])) $decimal_mark_part = ', decimal_mark = '.$mdb2->quote($fields['decimal_mark']);
@@ -488,11 +596,11 @@ class ttUser {
     if (isset($fields['workday_minutes'])) $workday_minutes_part = ', workday_minutes = '.$mdb2->quote($fields['workday_minutes']);
     $modified_part = ', modified = now(), modified_ip = '.$mdb2->quote($_SERVER['REMOTE_ADDR']).', modified_by = '.$mdb2->quote($this->id);
 
-    $parts = trim($name_part.$currency_part.$lang_part.$decimal_mark_part.$date_format_part.
+    $parts = trim($name_part.$description_part.$currency_part.$lang_part.$decimal_mark_part.$date_format_part.
       $time_format_part.$week_start_part.$tracking_mode_part.$task_required_part.$project_required_part.$record_type_part.
       $bcc_email_part.$allow_ip_part.$plugins_part.$config_part.$lock_spec_part.$workday_minutes_part.$modified_part, ',');
 
-    $sql = "update tt_groups set $parts where id = $this->group_id";
+    $sql = "update tt_groups set $parts where id = $group_id and org_id = $this->org_id";
     $affected = $mdb2->exec($sql);
     if (is_a($affected, 'PEAR_Error')) return false;
 
@@ -505,25 +613,30 @@ class ttUser {
       return false;
 
     // Make sure we operate on a legit user.
-    $user_details = $this->getUser($user_id);
+    $user_details = $this->getUserDetails($user_id);
     if (!$user_details) return false;
 
     $mdb2 = getConnection();
+    $group_id = $this->getGroup();
+    $org_id = $this->org_id;
 
     // Mark user to project binds as deleted.
-    $sql = "update tt_user_project_binds set status = NULL where user_id = $user_id";
+    $sql = "update tt_user_project_binds set status = NULL where user_id = $user_id".
+      " and group_id = $group_id and org_id = $org_id";
     $affected = $mdb2->exec($sql);
     if (is_a($affected, 'PEAR_Error'))
       return false;
 
     // Mark user favorite reports as deleted.
-    $sql = "update tt_fav_reports set status = NULL where user_id = $user_id";
+    $sql = "update tt_fav_reports set status = NULL where user_id = $user_id".
+      " and group_id = $group_id and org_id = $org_id";
     $affected = $mdb2->exec($sql);
     if (is_a($affected, 'PEAR_Error'))
       return false;
 
     // Mark user as deleted.
-    $sql = "update tt_users set status = NULL where id = $user_id and group_id = ".$this->group_id;
+    $sql = "update tt_users set status = NULL where id = $user_id".
+      " and group_id = $group_id and org_id = $org_id";
     $affected = $mdb2->exec($sql);
     if (is_a($affected, 'PEAR_Error'))
       return false;
@@ -558,4 +671,135 @@ class ttUser {
 
     return true;
   }
+
+  // isUserValid determines if a user is valid for on behalf work.
+  function isUserValid($user_id) {
+    if ($user_id == $this->id)
+      return true;
+    return ($this->getUserDetails($user_id) != null);
+  }
+
+  // isGroupValid determines if a group is valid for user.
+  function isGroupValid($group_id) {
+    if ($group_id == $this->group_id)
+      return true;
+    else
+      return $this->isSubgroupValid($group_id);
+  }
+
+  // isSubgroupValid determines if a subgroup is valid for user.
+  // A subgroup is valid if:
+  //   - user can manage_subgroups;
+  //   - subgroup is either a direct child of user group, or "on the path"
+  //   to it (grand-child, etc.).
+  function isSubgroupValid($subgroup_id) {
+    if (!$this->can('manage_subgroups')) return false; // User cannot manage subgroups.
+
+    $current_group_id = $subgroup_id;
+    while ($parent_group_id = ttGroupHelper::getParentGroup($current_group_id)) {
+      if ($parent_group_id == $this->group_id) {
+        return true; // Found it.
+      }
+      $current_group_id = $parent_group_id;
+    }
+    return false;
+  }
+
+  // getMaxRankForGroup determines effective user rank for a user in a given group.
+  // For home group it is the existing user rank (as per role) minus 1.
+  // For subgroups, if user can "manage_subgroups", it is MAX_RANK.
+  function getMaxRankForGroup($group_id) {
+
+    $max_rank = 0; // Start safely.
+    if ($this->group_id == $group_id) {
+      $max_rank = $this->rank - 1;
+      return $max_rank;
+    }
+
+    if ($this->isSubgroupValid($group_id))
+      $max_rank = MAX_RANK;
+
+    return $max_rank;
+  }
+
+  // getUserPartForHeader constructs a string for user to display on pages header.
+  // It changes with "on behalf" attributes for both user and group.
+  function getUserPartForHeader() {
+    global $i18n;
+    if (!$this->id) return null;
+
+    $user_part = htmlspecialchars($this->name);
+    $user_part .= ' - '.htmlspecialchars($this->role_name);
+    if ($this->behalf_id) {
+      $user_part .= ' <span class="onBehalf">'.$i18n->get('label.on_behalf').' '.htmlspecialchars($this->behalf_name).'</span>';
+    }
+    if ($this->behalf_group_id) {
+      $user_part .= ',  <span class="onBehalf">'.$i18n->get('label.on_behalf').' '.htmlspecialchars($this->behalf_group_name).'</span>';
+    } else {
+      if ($this->group_name) // Note: we did not require group names in the past.
+        $user_part .= ', '.$this->group_name;
+    }
+    return $user_part;
+  }
+
+  // setOnBehalfGroup sets on behalf group for the user in both the object and the session.
+  function setOnBehalfGroup($group_id) {
+
+    // Unset things first.
+    $this->behalf_group_id = null;
+    $this->behalf_group_name = null;
+    $this->behalf_id = null;
+    $this->behalf_name = null;
+    unset($this->behalfGroup);
+    unset($_SESSION['behalf_group_id']);
+    unset($_SESSION['behalf_group_name']);
+    unset($_SESSION['behalf_id']);
+    unset($_SESSION['behalf_name']);
+
+    // Do not do anything if we don't have rights.
+    if (!$this->can('manage_subgroups')) return;
+
+    // No need to set if group is our home group.
+    if ($group_id == $this->group_id) return;
+
+    // No need to set if subgroup is not valid.
+    if (!$this->isSubgroupValid($group_id)) return;
+
+    // We are good to set on behalf group.
+    $onBehalfGroupName = ttGroupHelper::getGroupName($group_id);
+    $_SESSION['behalf_group_id'] = $group_id;
+    $_SESSION['behalf_group_name'] = $onBehalfGroupName;
+    $this->behalf_group_id = $group_id;
+    $this->behalf_group_name = $onBehalfGroupName;
+
+    $this->behalfGroup = new ttGroup($this->behalf_group_id, $this->org_id);
+
+    // Adjust on behalf user.
+    $this->adjustBehalfId();
+    return;
+  }
+
+   // setOnBehalfUser sets on behalf user both the object and the session.
+  function setOnBehalfUser($user_id) {
+
+    // Unset things first.
+    $this->behalf_id = null;
+    $this->behalf_name = null;
+    unset($_SESSION['behalf_id']);
+    unset($_SESSION['behalf_name']);
+
+    // No need to set if user is us.
+    if ($user_id == $this->id) return;
+
+    // No need to set if user id is not valid.
+    if (!$this->isUserValid($user_id)) return;
+
+    // We are good to set on behalf user.
+    $onBehalfUserName = ttUserHelper::getUserName($user_id);
+    $_SESSION['behalf_id'] = $user_id;
+    $_SESSION['behalf_name'] = $onBehalfUserName;
+    $this->behalf_id = $user_id;
+    $this->behalf_name = $onBehalfUserName;
+    return;
+  }
 }