'))
        {
            $before   = explode('
', $comment);
            $after    = explode('
', $before[1]);
            $htmlCode = $after[0];
            return $before[0] . htmlspecialchars($htmlCode) . $after[1];
        }

        return strip_tags($comment) === $comment
            ? nl2br($comment)
            : $comment;
    }

    /**
     * 构建操作记录列表，便于前端组件进行渲染。
     * Build action list for render by frontend component.
     *
     * @param array $actions
     * @param array $users
     * @param bool  $commentEditable
     * @access public
     * @return array
     */
    public function buildActionList(array $actions, array $users = null, $commentEditable = true): array
    {
        if(empty($users)) $users = $this->loadModel('user')->getPairs('noletter');

        $list = array();
        foreach($actions as $action)
        {
            $item = new stdClass();
            if(strlen(trim(($action->comment))) !== 0)
            {
                $item->comment         = $this->formatActionComment($action->comment);
                $item->commentEditable = $commentEditable && end($actions) == $action && $action->actor == $this->app->user->account && common::hasPriv('action', 'editComment');
            }

            if($action->action === 'assigned' || $action->action === 'toaudit') $action->extra = zget($users, $action->extra);
            $action->actor = zget($users, $action->actor);
            if(str_contains($action->actor, ':')) $action->actor = substr($action->actor, strpos($action->actor, ':') + 1);

            if(!empty($action->history)) $item->historyChanges = $this->renderChanges($action->objectType, $action->history);

            $item->id      = $action->id;
            $item->action  = $action->action;
            $item->content = $this->renderAction($action);

            $list[] = $item;
        }
        return $list;
    }

    /**
     * Print changes of every action.
     *
     * @param  string    $objectType
     * @param  array     $histories
     * @param  bool      $canChangeTag
     * @access public
     * @return void
     */
    public function renderChanges($objectType, $histories, $canChangeTag = true)
    {
        if(empty($histories)) return;

        $maxLength            = 0;          // The max length of fields names.
        $historiesWithDiff    = array();    // To save histories without diff info.
        $historiesWithoutDiff = array();    // To save histories with diff info.

        /* Diff histories by hasing diff info or not. Thus we can to make sure the field with diff show at last. */
        foreach($histories as $history)
        {
            $fieldName = $history->field;
            $history->fieldLabel = (isset($this->lang->$objectType) && isset($this->lang->$objectType->$fieldName)) ? $this->lang->$objectType->$fieldName : $fieldName;
            if($objectType == 'module') $history->fieldLabel = $this->lang->tree->$fieldName;
            if($fieldName == 'fileName') $history->fieldLabel = $this->lang->file->$fieldName;
            if(($length = strlen($history->fieldLabel)) > $maxLength) $maxLength = $length;
            $history->diff ? $historiesWithDiff[] = $history : $historiesWithoutDiff[] = $history;
        }
        $histories = array_merge($historiesWithoutDiff, $historiesWithDiff);

        $content = '';

        foreach($histories as $history)
        {
            $history->fieldLabel = str_pad($history->fieldLabel, $maxLength, $this->lang->action->label->space);
            if($history->diff != '')
            {
                $history->diff      = str_replace(array('', '', '', ''), array('[ins]', '[/ins]', '[del]', '[/del]'), $history->diff);
                $history->diff      = ($history->field != 'subversion' && $history->field != 'git') ? htmlSpecialString($history->diff) : $history->diff;   // Keep the diff link.
                $history->diff      = str_replace(array('[ins]', '[/ins]', '[del]', '[/del]'), array('', '', '', ''), $history->diff);
                $history->diff      = nl2br($history->diff);
                $history->noTagDiff = $canChangeTag ? preg_replace('/<\/?([a-z][a-z0-9]*)[^\/]*\/?>/Ui', '', $history->diff) : '';
                $content .= sprintf($this->lang->action->desc->diff2, $history->fieldLabel, $history->noTagDiff, $history->diff);
            }
            else
            {
                $content .= sprintf($this->lang->action->desc->diff1, $history->fieldLabel, $history->old, $history->new);
            }
        }
        return $content;
    }

    /**
     * Print actions of an object.
     *
     * @param  object    $action
     * @param  string   $desc
     * @access public
     * @return void
     */
    public function printAction($action, $desc = '')
    {
        if(!isset($action->objectType) or !isset($action->action)) return false;

        $objectType = $action->objectType;
        $actionType = strtolower($action->action);

        /**
         * Set the desc string of this action.
         *
         * 1. If the module of this action has defined desc of this actionType, use it.
         * 2. If no defined in the module language, search the common action define.
         * 3. If not found in the lang->action->desc, use the $lang->action->desc->common or $lang->action->desc->extra as the default.
         */
        if(empty($desc))
        {
            if(($action->objectType == 'story' or $action->objectType == 'demand') and $action->action == 'reviewed' and strpos($action->extra, ',') !== false)
            {
                $desc = $this->lang->$objectType->action->rejectreviewed;
            }
            elseif($action->objectType == 'productplan' and in_array($action->action, array('startedbychild','finishedbychild','closedbychild','activatedbychild', 'createchild')))
            {
                $desc = $this->lang->$objectType->action->changebychild;
            }
            elseif($action->objectType == 'module' and in_array($action->action, array('created', 'moved', 'deleted')))
            {
                $desc = $this->lang->$objectType->action->{$action->action};
            }
            elseif(strpos('createmr,editmr,removemr', $action->action) !== false and strpos($action->extra, '::') !== false)
            {
                $mrAction = str_replace('mr', '', $action->action) . 'Action';
                list($mrDate, $mrActor, $mrLink) = explode('::', $action->extra);

                if(isonlybody()) $mrLink .= ($this->config->requestType == 'GET' ? '&onlybody=yes' : '?onlybody=yes');

                $this->app->loadLang('mr');
                $desc = sprintf($this->lang->mr->$mrAction, $mrDate, $mrActor, $mrLink);
            }
            elseif(($this->config->edition == 'max' or $this->config->edition == 'ipd') and strpos($this->config->action->assetType, ",{$action->objectType},") !== false and $action->action == 'approved')
            {
                $desc = empty($this->lang->action->approve->{$action->extra}) ? '' : $this->lang->action->approve->{$action->extra};
            }
            elseif(isset($this->lang->$objectType) && isset($this->lang->$objectType->action->$actionType))
            {
                $desc = $this->lang->$objectType->action->$actionType;
            }
            elseif(isset($this->lang->action->desc->$actionType))
            {
                $desc = $this->lang->action->desc->$actionType;
            }
            else
            {
                $desc = $action->extra ? $this->lang->action->desc->extra : $this->lang->action->desc->common;
            }
        }

        $action->date = substr($action->date, 0, 19);
        if($this->app->getViewType() == 'mhtml') $action->date = date('m-d H:i', strtotime($action->date));

        /* Cycle actions, replace vars. */
        foreach($action as $key => $value)
        {
            if($key == 'history') continue;

            /* Desc can be an array or string. */
            if(is_array($desc))
            {
                if($key == 'extra') continue;
                if($action->objectType == 'story' and $action->action == 'reviewed' and strpos($action->extra, '|') !== false and $key == 'actor')
                {
                    $desc['main'] = str_replace('$actor', $this->lang->action->superReviewer . ' ' . $value, $desc['main']);
                }
                else
                {
                    $desc['main'] = str_replace('$' . $key, $value, $desc['main']);
                }
            }
            else
            {
                if($actionType == 'restoredsnapshot' && in_array($action->objectType, array('vm', 'zanode')) && $value == 'defaultSnap') $value = $this->lang->$objectType->snapshot->defaultSnapName;

                $desc = str_replace('$' . $key, $value, $desc);
            }
        }

        /* If the desc is an array, process extra. Please bug/lang. */
        if(is_array($desc))
        {
            $extra = strtolower($action->extra);

            /* Fix bug #741. */
            if(isset($desc['extra'])) $desc['extra'] = $this->lang->$objectType->{$desc['extra']};

            $actionDesc = '';
            if(isset($desc['extra'][$extra]))
            {
                $actionDesc = str_replace('$extra', $desc['extra'][$extra], $desc['main']);
            }
            else
            {
                $actionDesc = str_replace('$extra', $action->extra, $desc['main']);
            }

            if(($action->objectType == 'story' or $action->objectType == 'demand') and $action->action == 'reviewed')
            {
                if(strpos($action->extra, ',') !== false)
                {
                    list($extra, $reason) = explode(',', $extra);
                    $desc['reason'] = $this->lang->$objectType->{$desc['reason']};
                    $actionDesc = str_replace(array('$extra', '$reason'), array($desc['extra'][$extra], $desc['reason'][$reason]), $desc['main']);
                }

                if(strpos($action->extra, '|') !== false)
                {
                    list($extra, $isSuperReviewer) = explode('|', $extra);
                    $actionDesc = str_replace('$extra', $desc['extra'][$extra], $desc['main']);
                }
            }

            if($action->objectType == 'story' and $action->action == 'synctwins')
            {
                if(!empty($extra) and strpos($extra, '|') !== false)
                {
                    list($operate, $storyID) = explode('|', $extra);
                    $desc['operate'] = $this->lang->$objectType->{$desc['operate']};
                    $link = common::hasPriv('story', 'view') ? html::a(helper::createLink('story', 'view', "storyID=$storyID"), "#$storyID ") : "#$storyID";
                    $actionDesc = str_replace(array('$extra', '$operate'), array($link, $desc['operate'][$operate]), $desc['main']);
                }
            }

            if($action->objectType == 'module' and strpos(',created,moved,', $action->action) !== false)
            {
                $moduleNames = $this->loadModel('tree')->getOptionMenu($action->objectID, 'story', 0, 'all', '');
                $modules     = explode(',', $action->extra);
                $moduleNames = array_intersect_key($moduleNames, array_combine($modules, $modules));
                $moduleNames = implode(', ', $moduleNames);
                $actionDesc  = str_replace('$extra', $moduleNames, $desc['main']);
            }
            elseif($action->objectType == 'module' and $action->action == 'deleted')
            {
                $module      = $this->dao->select('*')->from(TABLE_MODULE)->where('id')->eq($action->objectID)->fetch();
                $moduleNames = $this->loadModel('tree')->getOptionMenu($module->root, 'story', 0, 'all', '');
                $actionDesc  = str_replace('$extra', zget($moduleNames, $action->objectID), $desc['main']);
            }
            echo $actionDesc;
        }
        else
        {
            echo $desc;
        }
    }

    /**
     * Get actions as dynamic.
     *
     * @param  string $account
     * @param  string $period
     * @param  string $orderBy
     * @param  int    $limit
     * @param  string|int $productID   all|int(like 123)|notzero   all => include zero, notzero, greater than 0
     * @param  string|int $projectID   same as productID
     * @param  string|int $executionID same as productID
     * @param  string $date
     * @param  string $direction
     * @access public
     * @return array
     */
    public function getDynamic($account = 'all', $period = 'all', $orderBy = 'date_desc', $limit = 50, $productID = 'all', $projectID = 'all', $executionID = 'all', $date = '', $direction = 'next')
    {
        /* Computer the begin and end date of a period. */
        $beginAndEnd = $this->computeBeginAndEnd($period);
        extract($beginAndEnd);

        /* Build has priv condition. */
        $condition  = '1=1';
        $executions = array();
        if(!$this->app->user->admin)
        {
            $aclViews = isset($this->app->user->rights['acls']['views']) ? $this->app->user->rights['acls']['views'] : array();
            if($productID == 'all')   $grantedProducts   = empty($aclViews) || !empty($aclViews['product'])   ? $this->app->user->view->products : '0';
            if($projectID == 'all')   $grantedProjects   = empty($aclViews) || !empty($aclViews['project'])   ? $this->app->user->view->projects : '0';
            if($executionID == 'all') $grantedExecutions = empty($aclViews) || !empty($aclViews['execution']) ? $this->app->user->view->sprints  : '0';
            if(empty($grantedProducts)) $grantedProducts = '0';

            if($productID == 'all' and $projectID == 'all')
            {
                $productCondition = '';
                foreach(explode(',', $grantedProducts) as $product) $productCondition = empty($productCondition) ? "(execution = '0' and project = '0' and (product LIKE '%,$product,%'" : "$productCondition OR product LIKE '%,$product,%'";
                if(!empty($productCondition)) $productCondition .= '))';

                $projectCondition   = "(execution = '0' and project != '0' and project " . helper::dbIN($grantedProjects) . ')';
                $executionCondition = isset($grantedExecutions) ? "(execution != 0 and execution " . helper::dbIN($grantedExecutions) . ')' : "(execution != 0 and execution = '$executionID')";
            }
            elseif($productID == 'all' and is_numeric($projectID))
            {
                $products   = $this->loadModel('product')->getProductPairsByProject($projectID);
                $executions = $this->loadModel('execution')->fetchPairs($projectID) + array(0 => 0);

                $grantedExecutions = isset($grantedExecutions) ? array_intersect(array_keys($executions), explode(',', $grantedExecutions)) : array_keys($executions);

                $productCondition = '';
                foreach(array_keys($products) as $product) $productCondition = empty($productCondition) ? "(execution = '0' and project = '0' and (product LIKE '%,$product,%'" : "$productCondition OR product LIKE '%,$product,%'";
                if(!empty($productCondition)) $productCondition .= '))';

                $projectCondition   = "(execution = '0' and project = '$projectID')";
                $executionCondition = "(execution != '0' and execution " . helper::dbIN($grantedExecutions) . ')';
            }
            elseif(is_numeric($productID) and $projectID == 'all')
            {
                $this->loadModel('product');
                $projects   = $this->product->getProjectPairsByProduct($productID);
                $executions = $this->product->getExecutionPairsByProduct($productID) + array(0 => 0);

                $grantedProjects   = array_intersect(array_keys($projects), explode(',', $grantedProjects));
                $grantedExecutions = isset($grantedExecutions) ? array_intersect(array_keys($executions), explode(',', $grantedExecutions)) : array_keys($executions);

                $productCondition   = "(execution = '0' and project = '0' and product like '%,$productID,%')";
                $projectCondition   = "(execution = '0' and project != '0' and project " . helper::dbIN($grantedProjects) . ')';
                $executionCondition = "(execution != '0' and execution " . helper::dbIN($grantedExecutions) . ')';
            }

            $condition = "((product =',0,' or product = '0' or product=',,') AND project = '0' AND execution = '0')";
            if(!empty($productCondition))   $condition .= " OR $productCondition";
            if(!empty($projectCondition))   $condition .= " OR $projectCondition";
            if(!empty($executionCondition)) $condition .= " OR $executionCondition";
        }

        $actionCondition = $this->getActionCondition();
        if(!$actionCondition and !$this->app->user->admin and isset($this->app->user->rights['acls']['actions'])) return array();

        /* Restrict query data in this year when no limit for big data. */
        $beginDate = '';
        if($period == 'all')
        {
            $year = date('Y');
            $beginDate = $year . '-01-01';

            /* When query all dynamic then query the data of the last two years at most. */
            if($this->app->getMethodName() == 'dynamic') $beginDate = $year - 1 . '-01-01';
        }

        if(is_numeric($projectID))
        {
            $openedDate = $this->dao->select('openedDate')->from(TABLE_PROJECT)->where('id')->eq($projectID)->fetch('openedDate');
            $beginDate  = $openedDate > $beginDate ? $openedDate : $beginDate;
        }

        $condition = "(($condition) OR `objectType` IN ('doc', 'doclib'))";

        $noMultipleExecutions = $this->dao->select('id')->from(TABLE_PROJECT)->where('multiple')->eq(0)->andWhere('type')->in('sprint,kanban')->fetchPairs('id', 'id');
        if($noMultipleExecutions) $condition .= " OR (`objectID` NOT " . helper::dbIN($noMultipleExecutions) . " AND `objectType` = 'execution')";

        $programCondition = empty($this->app->user->view->programs) ? '0' : $this->app->user->view->programs;
        $condition .= " OR (`objectID` in ($programCondition) AND `objectType` = 'program')";

        $efforts = $this->dao->select('id')->from(TABLE_EFFORT)
            ->where("($condition)")
            ->beginIF($period != 'all')
            ->beginIF(isset($begin))->andWhere('date')->gt($begin)->fi()
            ->beginIF(isset($end))->andWhere('date')->lt($end)->fi()
            ->fi()
            ->beginIF($beginDate)->andWhere('date')->ge($beginDate)->fi()
            ->fetchPairs();
        $efforts = !empty($efforts) ? implode(',', $efforts) : 0;
        $condition .= " OR (`objectID` in ($efforts) AND `objectType` = 'effort')";
        $condition  = "($condition)";

        /* Get actions. */
        $actionTable = in_array($period, $this->config->action->latestDateList) ? TABLE_ACTIONRECENT : TABLE_ACTION;

        $actions = $this->dao->select('*')->from($actionTable)
            ->where('objectType')->notIN($this->config->action->ignoreObjectType4Dynamic)
            ->andWhere('action')->notIN($this->config->action->ignoreActions4Dynamic)
            ->beginIF($this->config->vision == 'lite')->andWhere('objectType')->notin('product')->fi()
            ->beginIF($this->config->systemMode == 'light')->andWhere('objectType')->notin('program')->fi()
            ->andWhere('vision')->eq($this->config->vision)
            ->beginIF($period != 'all')
            ->andWhere('date')->gt($begin)
            ->andWhere('date')->lt($end)
            ->fi()
            ->beginIF($date)->andWhere('date' . ($direction == 'next' ? '<' : '>') . "'{$date}'")->fi()
            ->beginIF($beginDate)->andWhere('date')->ge($beginDate)->fi()
            ->beginIF($account != 'all')->andWhere('actor')->eq($account)->fi()
            ->beginIF(is_numeric($productID))->andWhere('product')->like("%,$productID,%")->fi()
            ->beginIF(is_numeric($projectID))->andWhere('project')->eq($projectID)->fi()
            ->beginIF(!empty($executions))->andWhere('execution')->in(array_keys($executions))->fi()
            ->beginIF(is_numeric($executionID))->andWhere('execution')->eq($executionID)->fi()
            ->beginIF($productID == 'notzero')->andWhere('product')->gt(0)->andWhere('product')->notlike('%,0,%')->fi()
            ->beginIF($projectID == 'notzero')->andWhere('project')->gt(0)->fi()
            ->beginIF($executionID == 'notzero')->andWhere('execution')->gt(0)->fi()
            ->andWhere($condition)
            ->beginIF($actionCondition)->andWhere("($actionCondition)")->fi()
            ->orderBy($orderBy)
            ->limit($limit)
            ->fetchAll();

        if(!$actions) return array();

        $this->loadModel('common')->saveQueryCondition($this->dao->get(), 'action');
        return $this->transformActions($actions);
    }

    /**
     * Get dynamic show action.
     *
     * @return String
     */
    public function getActionCondition()
    {
        if($this->app->user->admin) return '';

        $actionCondition = '';
        if(isset($this->app->user->rights['acls']['actions']))
        {
            if(empty($this->app->user->rights['acls']['actions'])) return '';

            foreach($this->app->user->rights['acls']['actions'] as $moduleName => $actions)
            {
                if(isset($this->lang->mainNav->$moduleName) and !empty($this->app->user->rights['acls']['views']) and !isset($this->app->user->rights['acls']['views'][$moduleName])) continue;
                $actionCondition .= "(`objectType` = '$moduleName' and `action` " . helper::dbIN($actions) . ") or ";
            }
            $actionCondition = trim($actionCondition, 'or ');
        }
        return $actionCondition;
    }

    /**
     * Get dynamic by search.
     *
     * @param  array  $products
     * @param  array  $projects
     * @param  array  $executions
     * @param  int    $queryID
     * @param  string $orderBy
     * @param  int    $limit
     * @param  string $date
     * @param  string $direction
     * @access public
     * @return array
     */
    public function getDynamicBySearch($products, $projects, $executions, $queryID, $orderBy = 'date_desc', $limit = 50, $date = '', $direction = 'next')
    {
        $query = $queryID ? $this->loadModel('search')->getQuery($queryID) : '';

        /* Get the sql and form status from the query. */
        if($query)
        {
            $this->session->set('actionQuery', $query->sql);
            $this->session->set('actionForm', $query->form);
        }
        if($this->session->actionQuery == false) $this->session->set('actionQuery', ' 1 = 1');

        $allProducts   = "`product` = 'all'";
        $allProjects   = "`project` = 'all'";
        $allExecutions = "`execution` = 'all'";
        $actionQuery   = $this->session->actionQuery;

        $productID = 0;
        if(preg_match("/`product` = '(\d*)'/", $actionQuery, $out))
        {
            $productID = $out[1];
        }

        /* If the sql not include 'product', add check purview for product. */
        if(strpos($actionQuery, $allProducts) !== false)
        {
            $actionQuery = str_replace($allProducts, '1', $actionQuery);
        }

        /* If the sql not include 'project', add check purview for project. */
        if(strpos($actionQuery, $allProjects) !== false)
        {
            $actionQuery = str_replace($allProjects, '1', $actionQuery);
        }

        /* If the sql not include 'execution', add check purview for execution. */
        if(strpos($actionQuery, $allExecutions) !== false)
        {
            $actionQuery = str_replace($allExecutions, '1', $actionQuery);
        }

        $actionQuery = str_replace("`product` = '$productID'", "`product` LIKE '%,$productID,%'", $actionQuery);

        if($date) $actionQuery = "($actionQuery) AND " . ('date' . ($direction == 'next' ? '<' : '>') . "'{$date}'");

        /* If this vision is lite, delete product actions. */
        if($this->config->vision == 'lite') $actionQuery .= " AND objectType != 'product'";

        $actionQuery .= " AND vision = '" . $this->config->vision . "'";
        $actions      = $this->getBySQL($actionQuery, $orderBy, $limit);

        $this->loadModel('common')->saveQueryCondition($this->dao->get(), 'action');
        if(!$actions) return array();
        return $this->transformActions($actions);
    }

    /**
     * Get actions by SQL.
     *
     * @param  string $sql
     * @param  string $orderBy
     * @param  int    $limit
     * @access public
     * @return array
     */
    public function getBySQL($sql, $orderBy, $limit = 50)
    {
        $actionCondition = $this->getActionCondition();
        if(is_array($actionCondition)) return array();

        return $actions = $this->dao->select('*')->from(TABLE_ACTION)
            ->where($sql)
            ->beginIF(!empty($actionCondition))->andWhere("($actionCondition)")->fi()
            ->orderBy($orderBy)
            ->limit($limit)
            ->fetchAll();
    }

    /**
     * Transform the actions for display.
     *
     * @param  array    $actions
     * @access public
     * @return object
     */
    public function transformActions($actions)
    {
        $this->app->loadLang('todo');
        $this->app->loadLang('stakeholder');
        $this->app->loadLang('branch');
        $this->app->loadLang('execution');

        /* Get commiters and the same department users. */
        $commiters = $this->loadModel('user')->getCommiters();
        $deptUsers = isset($this->app->user->dept) ? $this->loadModel('dept')->getDeptUserPairs($this->app->user->dept, 'id') : '';

        /* Get object names, object projects and requirements by actions. */
        $relatedData     = $this->getRelatedDataByActions($actions);
        $objectNames     = $relatedData['objectNames'];
        $relatedProjects = $relatedData['relatedProjects'];
        $requirements    = $relatedData['requirements'];

        $projectIdList = array();
        foreach($relatedProjects as $objectType => $idList) $projectIdList += $idList;

        /* If idList include ',*,' Format ',*,' to '*'. */
        foreach($projectIdList as $key => $idList)
        {
            $idList = explode(',', $idList);

            foreach($idList as $id) $projectIdList[] = $id;
            unset($projectIdList[$key]);
        }

        if($projectIdList) $projectIdList = array_unique($projectIdList);

        $shadowProducts   = $this->dao->select('id')->from(TABLE_PRODUCT)->where('shadow')->eq(1)->fetchPairs();
        $projectMultiples = $this->dao->select('id,type,multiple')->from(TABLE_PROJECT)->where('id')->in($projectIdList)->fetchAll('id');
        $docList          = $this->loadModel('doc')->getPrivDocs('', 0, 'all');
        $apiList          = $this->loadModel('api')->getPrivApis();
        $docLibList       = $this->doc->getLibs('hasApi');

        foreach($actions as $i => $action)
        {
            if($action->objectType == 'doc' and !isset($docList[$action->objectID])) unset($actions[$i]);
            if($action->objectType == 'api' and !isset($apiList[$action->objectID])) unset($actions[$i]);
            if($action->objectType == 'doclib' and !isset($docLibList[$action->objectID])) unset($actions[$i]);
            if($action->objectType == 'product' AND isset($shadowProducts[$action->objectID]))
            {
                unset($actions[$i]);
                continue;
            }

            /* Add name field to the actions. */
            $action->objectName = isset($objectNames[$action->objectType][$action->objectID]) ? $objectNames[$action->objectType][$action->objectID] : '';

            if($action->objectType == 'program' and strpos('syncexecution,syncproject,syncprogram', $action->action) !== false)
            {
                $action->objectName .= $this->lang->action->label->startProgram;
            }
            elseif($action->objectType == 'branch' and $action->action == 'mergedbranch')
            {
                if($action->objectID == 0) $action->objectName = $this->lang->branch->main;
                $action->objectName = '"' . $action->extra . ' "' . $this->lang->action->to . ' "' . $action->objectName . '"';
            }
            elseif($action->objectType == 'user')
            {
                $user = $this->dao->select('id,realname')->from(TABLE_USER)->where('id')->eq($action->objectID)->fetch();
                if($user) $action->objectName = $user->realname;
            }
            elseif($action->objectType == 'kanbancard' and strpos($action->action, 'imported') !== false and $action->action != 'importedcard')
            {
                $objectType  = str_replace('imported', '', $action->action);
                $objectTable = zget($this->config->objectTables, $objectType);
                $objectName  = ($objectType == 'productplan' or $objectType == 'ticket') ? 'title' : 'name';
                $action->objectName = $this->dao->select($objectName)->from($objectTable)->where('id')->eq($action->extra)->fetch($objectName);
            }
            elseif(strpos(',module,chartgroup,', ",$action->objectType,") !== false and !empty($action->extra) and $action->action != 'deleted')
            {
                $modules = $this->dao->select('id,name')->from(TABLE_MODULE)->where('id')->in(explode(',', $action->extra))->fetchPairs('id');
                $action->objectName = implode(',', $modules);
            }
            elseif($action->objectType == 'mr' and $action->action == 'deleted')
            {
                $action->objectName = $action->extra;
            }
            elseif($action->objectType == 'pivot')
            {
                $pivotNames = json_decode($action->objectName, true);
                $action->objectName = zget($pivotNames, $this->app->getClientLang(), '');
                if(empty($action->objectName))
                {
                    $pivotNames = array_filter($pivotNames);
                    $action->objectName = reset($pivotNames);
                }
            }

            $projectID = isset($relatedProjects[$action->objectType][$action->objectID]) ? $relatedProjects[$action->objectType][$action->objectID] : 0;

            $actionType = strtolower($action->action);
            $objectType = strtolower($action->objectType);

            $action->originalDate = $action->date;
            $action->date         = date(DT_MONTHTIME2, strtotime($action->date));
            $action->actionLabel  = isset($this->lang->$objectType->$actionType) ? $this->lang->$objectType->$actionType : $action->action;
            $action->actionLabel  = isset($this->lang->action->label->$actionType) ? $this->lang->action->label->$actionType : $action->actionLabel;
            $action->objectLabel  = $this->getObjectLabel($objectType, $action->objectID, $actionType, $requirements);

            /* If action type is login or logout, needn't link. */
            if($actionType == 'svncommited' or $actionType == 'gitcommited') $action->actor = zget($commiters, $action->actor);

            /* Get gitlab, gitea or gogs objectname. */
            if(empty($action->objectName) and (substr($objectType, 0, 6) == 'gitlab' or substr($objectType, 0, 5) == 'gitea' or substr($objectType, 0, 4) == 'gogs')) $action->objectName = $action->extra;

            /* Other actions, create a link. */
            $this->setObjectLink($action, $deptUsers, $shadowProducts, zget($projectMultiples, $projectID, ''));

            /* Set merge request link. */
            if((empty($action->objectName) or $action->action == 'deleted') and $action->objectType == 'mr') $action->objectLink = '';

            $action->major = (isset($this->config->action->majorList[$action->objectType]) && in_array($action->action, $this->config->action->majorList[$action->objectType])) ? 1 : 0;
        }
        return $actions;
    }

    /**
     * Get related data by actions.
     *
     * @param  array    $actions
     * @access public
     * @return array
     */
    public function getRelatedDataByActions($actions)
    {
        $this->loadModel('user');

        $objectNames     = array();
        $relatedProjects = array();
        $requirements    = array();
        $objectTypes     = array();

        foreach($actions as $object) $objectTypes[$object->objectType][$object->objectID] = $object->objectID;
        foreach($objectTypes as $objectType => $objectIdList)
        {
            if(!isset($this->config->objectTables[$objectType]) and $objectType != 'makeup') continue;    // If no defination for this type, omit it.

            $table = $objectType == 'makeup' ? '`' . $this->config->db->prefix . 'overtime`' : $this->config->objectTables[$objectType];
            $field = zget($this->config->action->objectNameFields, $objectType, '');
            if(empty($field)) continue;

            if($table != TABLE_TODO)
            {
                $objectName     = array();
                $relatedProject = array();
                if(strpos(",{$this->config->action->needGetProjectType},", ",{$objectType},") !== false)
                {
                    $objectInfo = $this->dao->select("id, project, `$field` AS name")->from($table)->where('id')->in($objectIdList)->fetchAll();
                    if($objectType == 'gapanalysis') $users = $this->user->getPairs('noletter');
                    foreach($objectInfo as $object)
                    {
                        $objectName[$object->id]     = $objectType == 'gapanalysis' ? zget($users, $object->name) : $object->name;
                        $relatedProject[$object->id] = $object->project;
                    }
                }
                elseif($objectType == 'project' or $objectType == 'execution')
                {
                    $objectInfo = $this->dao->select("id, project, `$field` AS name")->from($table)->where('id')->in($objectIdList)->fetchAll();
                    foreach($objectInfo as $object)
                    {
                        $objectName[$object->id]     = $object->name;
                        $relatedProject[$object->id] = $object->project > 0 ? $object->project : $object->id;
                    }
                }
                elseif($objectType == 'story')
                {
                    $objectInfo = $this->dao->select('id,title,type')->from($table)->where('id')->in($objectIdList)->fetchAll();
                    foreach($objectInfo as $object)
                    {
                        $objectName[$object->id] = $object->title;
                        if($object->type == 'requirement') $requirements[$object->id] = $object->id;
                    }
                }
                elseif($objectType == 'reviewcl')
                {
                    $objectInfo = $this->dao->select('id,title')->from($table)->where('id')->in($objectIdList)->fetchAll();
                    foreach($objectInfo as $object) $objectName[$object->id] = $object->title;
                }
                elseif($objectType == 'team')
                {
                    $objectInfo = $this->dao->select('id,team,type')->from(TABLE_PROJECT)->where('id')->in($objectIdList)->fetchAll();
                    foreach($objectInfo as $object)
                    {
                        $objectName[$object->id] = $object->team;
                        if($object->type == 'project') $relatedProject[$object->id] = $object->id;
                    }
                }
                elseif($objectType == 'stakeholder')
                {
                    $objectName = $this->dao->select("t1.id, t2.realname")->from($table)->alias('t1')
                        ->leftJoin(TABLE_USER)->alias('t2')->on("t1.`$field` = t2.account")
                        ->where('t1.id')->in($objectIdList)
                        ->fetchPairs();
                }
                elseif($objectType == 'branch')
                {
                    $this->app->loadLang('branch');
                    $objectName = $this->dao->select("id,name")->from(TABLE_BRANCH)->where('id')->in($objectIdList)->fetchPairs();
                    if(in_array(BRANCH_MAIN, $objectIdList)) $objectName[BRANCH_MAIN] = $this->lang->branch->main;
                }
                elseif($objectType == 'privlang')
                {
                    $objectName = $this->dao->select("objectID AS id, `$field` AS name")->from($table)->where('objectID')->in($objectIdList)->andWhere('objectType')->eq('priv')->fetchPairs();
                }
                else
                {
                    $objectName = $this->dao->select("id, `$field` AS name")->from($table)->where('id')->in($objectIdList)->fetchPairs();
                }

                $objectNames[$objectType]     = $objectName;
                $relatedProjects[$objectType] = $relatedProject;
            }
            else
            {
                $todos = $this->dao->select("id, $field AS name, account, private, type, idvalue")->from($table)->where('id')->in($objectIdList)->fetchAll('id');
                foreach($todos as $id => $todo)
                {
                    if($todo->type == 'task') $todo->name = $this->dao->findById($todo->idvalue)->from(TABLE_TASK)->fetch('name');
                    if($todo->type == 'bug')  $todo->name = $this->dao->findById($todo->idvalue)->from(TABLE_BUG)->fetch('title');

                    $objectNames[$objectType][$id] = $todo->name;
                    if($todo->private == 1 and $todo->account != $this->app->user->account) $objectNames[$objectType][$id] = $this->lang->todo->thisIsPrivate;
                }
            }
        }
        $objectNames['user'][0] = 'guest';    // Add guest account.

        $relatedData['objectNames']     = $objectNames;
        $relatedData['relatedProjects'] = $relatedProjects;
        $relatedData['requirements']    = $requirements;
        return $relatedData;
    }

    /**
     * Get object label.
     *
     * @param  string $objectType
     * @param  int    $objectID
     * @param  string $actionType
     * @param  array  $requirements
     * @access public
     * @return string
     */
    public function getObjectLabel($objectType, $objectID, $actionType, $requirements)
    {
        $actionObjectLabel = $objectType;
        if(isset($this->lang->action->label->$objectType))
        {
            $objectLabel = $this->lang->action->label->$objectType;

            /* Replace story to requirement. */
            if(isset($requirements[$objectID]) and is_string($objectLabel)) $objectLabel = str_replace($this->lang->SRCommon, $this->lang->URCommon, $objectLabel);

            if(!is_array($objectLabel)) $actionObjectLabel = $objectLabel;
            if(is_array($objectLabel) and isset($objectLabel[$actionType])) $actionObjectLabel = $objectLabel[$actionType];

            if($objectType == 'module' and $actionType == 'deleted')
            {
                $moduleType = $this->dao->select('type')->from(TABLE_MODULE)->where('id')->eq($objectID)->fetch('type');
                if($moduleType == 'doc')
                {
                    $this->app->loadLang('doc');
                    $actionObjectLabel = $this->lang->doc->menuTitle;
                }
            }
        }

        if(($this->config->edition == 'max' or $this->config->edition == 'ipd') and $objectType == 'assetlib')
        {
            $libType = $this->dao->select('type')->from(TABLE_ASSETLIB)->where('id')->eq($objectID)->fetch('type');
            if(strpos('story,issue,risk,opportunity,practice,component', $libType) !== false) $actionObjectLabel = $this->lang->action->label->{$libType . 'assetlib'};
        }

        return $actionObjectLabel;
    }

    /**
     * Set objectLink
     *
     * @param  object   $action
     * @param  array    $deptUsers
     * @param  array    $shadowProducts
     * @param  object   $project
     * @access public
     * @return object|bool
     */
    public function setObjectLink($action, $deptUsers, $shadowProducts, $project = null)
    {
        $this->app->loadConfig('doc');

        $action->objectLink  = '';
        $action->objectLabel = zget($this->lang->action->objectTypes, $action->objectLabel);

        if(strpos($action->objectLabel, '|') !== false)
        {
            list($objectLabel, $moduleName, $methodName, $vars) = explode('|', $action->objectLabel);

            /* Fix bug #2961. */
            $isLoginOrLogout = $action->objectType == 'user' and ($action->action == 'login' or $action->action == 'logout');

            $action->objectLabel = $objectLabel;
            $action->product     = trim($action->product, ',');

            $noLinkObjects = array('program', 'project', 'product', 'execution');
            if(in_array($action->objectType, $noLinkObjects))
            {
                $objectTable   = zget($this->config->objectTables, $action->objectType);
                $objectDeleted = $this->dao->select('deleted')->from($objectTable)->where('id')->eq($action->objectID)->fetch('deleted');
                if($objectDeleted) return $action;
            }

            if(($this->config->edition == 'max' or $this->config->edition == 'ipd')
               and strpos($this->config->action->assetType, ",{$action->objectType},") !== false
               and empty($action->project) and empty($action->product) and empty($action->execution))
            {
                if($action->objectType == 'doc')
                {
                    $assetLibType = $this->dao->select('assetLibType')->from(TABLE_DOC)->where('id')->eq($action->objectID)->fetch('assetLibType');
                    if($assetLibType) $method = $assetLibType == 'practice' ? 'practiceView' : 'componentView';
                }
                else
                {
                    $method = $this->config->action->assetViewMethod[$action->objectType];
                }

                $action->objectLink = helper::createLink($moduleName, $methodName, sprintf($vars, $action->objectID));
                if(isset($method)) $action->objectLink = helper::createLink('assetlib', $method, sprintf($vars, $action->objectID));
            }
            else
            {
                if($action->objectType == 'doclib')
                {
                    $libID = $action->objectID;
                    $type  = 'custom';
                    if(!empty($action->project))   $type = 'project';
                    if(!empty($action->execution)) $type = 'execution';
                    if(!empty($action->product))   $type = 'product';

                    $libObjectID = $type != 'custom' ? $action->$type : '';
                    $libObjectID = trim($libObjectID, ',');
                    if(empty($libObjectID) and $type != 'custom') return false;

                    $params = sprintf($vars, $type, $libObjectID, $libID);
                }
                elseif($action->objectType == 'api')
                {
                    $api = $this->dao->select('id,lib,module')->from(TABLE_API)->where('id')->eq($action->objectID)->fetch();
                    $params = sprintf($vars, $api->lib, $api->id, $api->module);
                }
                elseif($action->objectType == 'branch')
                {
                    $params = sprintf($vars, trim($action->product, ','));
                }
                elseif($action->objectType == 'kanbanspace')
                {
                    $kanbanSpace = $this->dao->select('type')->from(TABLE_KANBANSPACE)->where('id')->eq($action->objectID)->fetch();
                    $params = sprintf($vars, $kanbanSpace->type);
                }
                elseif($action->objectType == 'kanbancolumn' or $action->objectType == 'kanbanlane')
                {
                    $params = sprintf($vars, $action->extra);
                }
                elseif($action->objectType == 'module' and $action->action == 'deleted')
                {
                    $params = sprintf($vars, trim($action->product, ','));
                }
                else
                {
                    $params = sprintf($vars, $action->objectID);
                }
                $action->objectLink = helper::createLink($moduleName, $methodName, $params);

                if($action->objectType == 'execution')
                {
                    $execution = $this->loadModel('execution')->getById($action->objectID);
                    if(!empty($execution) and $execution->type == 'kanban') $action->objectLink = helper::createLink('execution', 'kanban', "executionID={$action->objectID}");
                    if($execution->type == 'stage' and $execution->attribute == 'research' and $action->vision == 'or')
                    {
                        $action->objectLink  = '';
                        $action->objectLabel = $this->lang->execution->stage;
                    }
                }

                if($action->objectType == 'story')
                {
                    $story = $this->loadModel('story')->getByID($action->objectID);
                    if(!empty($story))
                    {
                        $moduleName = $story->type;
                        $action->objectLink = isset($shadowProducts[$story->product]) ? helper::createLink('projectstory', 'view', "storyID=$story->id") : helper::createLink('story', 'view', "id=$story->id&version=0¶m=0&storyType=$story->type");
                    }
                }

                if($action->objectType == 'doclib')
                {
                    $docLib             = $this->dao->select('type,product,project,execution,deleted')->from(TABLE_DOCLIB)->where('id')->eq($action->objectID)->fetch();
                    $docLib->objectID   = strpos('product,project,execution', $docLib->type) !== false ? $docLib->{$docLib->type} : 0;
                    $appendLib          = $docLib->deleted == '1' ? $action->objectID : 0;
                    if($docLib->type == 'api')
                    {
                        $module = 'api';
                        $method = 'index';
                        $params = "libID={$action->objectID}&moduleID=0&apiID=0&version=0&release=0&appendLib={$appendLib}";
                        if(!empty($docLib->project) or !empty($docLib->product))
                        {
                            $module = 'doc';
                            if(!empty($docLib->product))
                            {
                                $objectID = $docLib->product;
                                $method   = 'productspace';
                            }

                            if(!empty($docLib->project))
                            {
                                $objectID = $docLib->project;
                                $method   = 'projectspace';
                            }
                            $params = "objectID={$objectID}&libID={$action->objectID}";
                        }
                        $action->objectLink = helper::createLink($module, $method, $params);
                    }
                    else
                    {
                        $method = 'tablecontents';
                        if(isset($this->config->doc->spaceMethod[$docLib->type])) $method = $this->config->doc->spaceMethod[$docLib->type];
                        if($method == 'myspace') $params = "type=mine&libID={$action->objectID}";
                        if(!in_array($method, array('myspace', 'tablecontents'))) $params = "objectID={$docLib->objectID}&libID={$action->objectID}";
                        $action->objectLink = helper::createLink('doc', $method, $params);
                    }
                }
                elseif($action->objectType == 'user')
                {
                    $action->objectLink = !isset($deptUsers[$action->objectID]) ? 'javascript:void(0)' : helper::createLink($moduleName, $methodName, sprintf($vars, $action->objectID));
                }
            }
            if(!common::hasPriv($moduleName, $methodName) and !$isLoginOrLogout) $action->objectLink = '';
        }
        elseif($action->objectType == 'team')
        {
            if($action->project)   $action->objectLink = common::hasPriv('project', 'team')   ? helper::createLink('project',   'team', 'projectID=' . $action->project) : '';
            if($action->execution) $action->objectLink = common::hasPriv('execution', 'team') ? helper::createLink('execution', 'team', 'executionID=' . $action->execution) : '';
        }
        elseif($action->objectType == 'privpackage')
        {
            $action->objectLink = '';
        }
        elseif($action->objectType == 'privlang')
        {
            $action->objectLink = '';
        }

        if($action->objectType == 'stakeholder' and $action->project == 0) $action->objectLink = '';

        if($action->objectType == 'story' and $action->action == 'import2storylib') $action->objectLink = helper::createLink('assetlib', 'storyView', "storyID=$action->objectID");
        if($action->objectType == 'story' and $this->config->vision == 'lite') $action->objectLink = helper::createLink('projectstory', 'view', "storyID=$action->objectID");

        if(strpos(',kanbanregion,kanbancard,', ",{$action->objectType},") !== false)
        {
            $table    = $this->config->objectTables[$action->objectType];
            $kanbanID = $this->dao->select('kanban')->from($table)->where('id')->eq($action->objectID)->fetch('kanban');

            $action->objectLink = helper::createLink('kanban', 'view', "kanbanID=$kanbanID");
        }

        if(strpos(',kanbanlane,kanbancolumn,', ",{$action->objectType},") !== false and empty($action->extra))
        {
            $table    = $this->config->objectTables[$action->objectType];
            $kanbanID = $this->dao->select('t2.kanban')->from($table)->alias('t1')
                ->leftJoin(TABLE_KANBANREGION)->alias('t2')->on('t1.region=t2.id')
                ->where('t1.id')->eq($action->objectID)
                ->fetch('kanban');

            $action->objectLink = helper::createLink('kanban', 'view', "kanbanID=$kanbanID");
        }

        if($action->objectType == 'chartgroup') $action->objectLink = '';
        if($action->objectType == 'branch' and $action->action == 'mergedbranch') $action->objectLink = 'javascript:void(0)';
        if($action->objectType == 'module')
        {
            $moduleType = $this->dao->select('type')->from(TABLE_MODULE)->where('id')->eq($action->objectID)->fetch('type');
            if($moduleType == 'doc')
            {
                $this->app->loadLang('doc');
                $action->objectLabel = $this->lang->doc->menuTitle;
            }
        }

        if($action->objectType == 'review') $action->objectLink = helper::createLink('review', 'view', "reviewID=$action->objectID");

        /* Set app for no multiple project. */
        if(!empty($action->objectLink) and !empty($project) and empty($project->multiple)) $action->objectLink .= '#app=project';
        if($this->config->vision == 'lite' and $action->objectType == 'module') $action->objectLink .= '#app=project';

        if($action->objectType == 'task' and $this->config->vision == 'or')
        {
            $task = $this->dao->select('*')->from(TABLE_TASK)->where('id')->eq($action->objectID)->fetch();
            if($task->type == 'research') $action->objectLink = helper::createLink('marketresearch', 'viewTask', "objectID=$action->objectID");
        }

        return $action;
    }

    /**
     * Compute the begin date and end date of a period.
     *
     * @param  string    $period   all|today|yesterday|twodaysago|latest2days|thisweek|lastweek|thismonth|lastmonth
     * @access public
     * @return array
     */
    public function computeBeginAndEnd($period)
    {
        $this->app->loadClass('date');

        $today      = date('Y-m-d');
        $tomorrow   = date::tomorrow();
        $yesterday  = date::yesterday();
        $twoDaysAgo = date::twoDaysAgo();

        $period = strtolower($period);

        if($period == 'all')         return array('begin' => '1970-1-1',  'end' => LONG_TIME);
        if($period == 'today')       return array('begin' => $today,      'end' => $tomorrow);
        if($period == 'yesterday')   return array('begin' => $yesterday,  'end' => $today);
        if($period == 'twodaysago')  return array('begin' => $twoDaysAgo, 'end' => $yesterday);
        if($period == 'latest3days') return array('begin' => $twoDaysAgo, 'end' => $tomorrow);
        if($period == 'lastweek')    return date::getLastWeek();
        if($period == 'thismonth')   return date::getThisMonth();
        if($period == 'lastmonth')   return date::getLastMonth();

        return date::getThisWeek();
    }

    /**
     * Print changes of every action.
     *
     * @param  string    $objectType
     * @param  array     $histories
     * @param  bool      $canChangeTag
     * @access public
     * @return void
     */
    public function printChanges($objectType, $histories, $canChangeTag = true)
    {
        if(empty($histories)) return;

        $maxLength            = 0;          // The max length of fields names.
        $historiesWithDiff    = array();    // To save histories without diff info.
        $historiesWithoutDiff = array();    // To save histories with diff info.

        /* Diff histories by hasing diff info or not. Thus we can to make sure the field with diff show at last. */
        foreach($histories as $history)
        {
            $fieldName = $history->field;
            $history->fieldLabel = (isset($this->lang->$objectType) && isset($this->lang->$objectType->$fieldName)) ? $this->lang->$objectType->$fieldName : $fieldName;
            if($objectType == 'module') $history->fieldLabel = $this->lang->tree->$fieldName;
            if($fieldName == 'fileName') $history->fieldLabel = $this->lang->file->$fieldName;
            if(($length = strlen($history->fieldLabel)) > $maxLength) $maxLength = $length;
            $history->diff ? $historiesWithDiff[] = $history : $historiesWithoutDiff[] = $history;
        }
        $histories = array_merge($historiesWithoutDiff, $historiesWithDiff);

        foreach($histories as $history)
        {
            $history->fieldLabel = str_pad($history->fieldLabel, $maxLength, $this->lang->action->label->space);
            if($history->diff != '')
            {
                $history->diff      = str_replace(array('', '', '', ''), array('[ins]', '[/ins]', '[del]', '[/del]'), $history->diff);
                $history->diff      = ($history->field != 'subversion' and $history->field != 'git') ? htmlSpecialString($history->diff) : $history->diff;   // Keep the diff link.
                $history->diff      = str_replace(array('[ins]', '[/ins]', '[del]', '[/del]'), array('', '', '', ''), $history->diff);
                $history->diff      = nl2br($history->diff);
                $history->noTagDiff = $canChangeTag ? preg_replace('/<\/?([a-z][a-z0-9]*)[^\/]*\/?>/Ui', '', $history->diff) : '';
                printf($this->lang->action->desc->diff2, $history->fieldLabel, $history->noTagDiff, $history->diff);
            }
            else
            {
                printf($this->lang->action->desc->diff1, $history->fieldLabel, $history->old, $history->new);
            }
        }
    }

    /**
     * Delete action by objectType.
     *
     * @param  string $objectType
     * @access public
     * @return void
     */
    public function deleteByType($objectType)
    {
        $this->dao->delete()->from(TABLE_ACTION)->where('objectType')->eq($objectType)->exec();
    }

    /**
     * Undelete a record.
     *
     * @param  int      $actionID
     * @access public
     * @return void
     */
    public function undelete($actionID)
    {
        $action = $this->getById($actionID);
        if($action->action != 'deleted') return;

        if($action->objectType == 'execution')
        {
            $execution = $this->dao->select('*')->from(TABLE_EXECUTION)->where('id')->eq($action->objectID)->fetch();
            if($execution->deleted and empty($execution->project)) return print(js::error($this->lang->action->undeletedTips));

            $projectCount = $this->dao->select('count(*) as count')->from(TABLE_PROJECT)->where('id')->eq($execution->project)->andWhere('deleted')->eq('0')->fetch('count');
            if((int)$projectCount == 0) return print(js::error($this->lang->action->executionNoProject));
        }

        if($action->objectType == 'repo')
        {
            $repo = $this->dao->select('*')->from(TABLE_REPO)->where('id')->eq($action->objectID)->fetch();
            if($repo and in_array($repo->SCM, array('Gitlab', 'Gitea', 'Gogs')))
            {
                $server = $this->dao->select('*')->from(TABLE_PIPELINE)->where('id')->eq($repo->serviceHost)->andWhere('deleted')->eq('0')->fetch();
                if(empty($server)) return print(js::error($this->lang->action->repoNoServer));
            }
        }

        if($action->objectType == 'product')
        {
            $product = $this->dao->select('id,name,code,acl')->from(TABLE_PRODUCT)->where('id')->eq($action->objectID)->fetch();
            if($product->acl != 'open') $this->loadModel('user')->updateUserView($product->id, 'product');
        }
        elseif(in_array($action->objectType, array('program', 'project', 'execution')))
        {
            $project    = $this->dao->select('id,acl,name,hasProduct')->from(TABLE_PROJECT)->where('id')->eq($action->objectID)->fetch();
            $objecttype = $action->objectType == 'execution' ? 'sprint' : $action->objectType;
            if($project->acl != 'open') $this->loadModel('user')->updateUserView($project->id, $objecttype);

            /* Reduction shadow product. */
            if(!$project->hasProduct and $action->objectType == 'project')
            {
                $productID = $this->loadModel('product')->getProductIDByProject($project->id);;
                $this->dao->update(TABLE_PRODUCT)
                    ->set('name')->eq($project->name)
                    ->set('deleted')->eq(0)
                    ->where('id')->eq($productID)
                    ->exec();
            }
        }
        elseif($action->objectType == 'module')
        {
            $module     = $this->dao->select('*')->from(TABLE_MODULE)->where('id')->eq($action->objectID)->fetch();
            $repeatName = $this->loadModel('tree')->checkUnique($module);
            if($repeatName) return print(js::alert(sprintf($this->lang->tree->repeatName, $repeatName)));
        }
        elseif($action->objectType == 'reviewissue')
        {
            $issue = $this->dao->select('*')->from(TABLE_REVIEWISSUE)->where('id')->eq($action->objectID)->fetch();
            if(!empty($issue->review))
            {
                $review = $this->dao->select('*')->from(TABLE_REVIEW)->where('id')->eq($issue->review)->fetch();
                if($review->deleted)
                {
                    $this->app->loadLang('reviewissue');
                    return print(js::alert($this->lang->reviewissue->undeleteAction));
                }
            }
        }
        elseif($action->objectType == 'release')
        {
            $release = $this->dao->select('*')->from(TABLE_RELEASE)->where('id')->eq($action->objectID)->fetch();
            if($release->shadow) $this->dao->update(TABLE_BUILD)->set('deleted')->eq(0)->where('id')->eq($release->shadow)->exec();
        }

        if($action->objectType == 'case')
        {
            $caseScene = $this->dao->select('scene')->from(TABLE_CASE)->where('id')->eq($action->objectID)->fetch('scene');
            if($caseScene)
            {
                $scene = $this->loadModel('testcase')->getSceneByID($caseScene);
                if($scene->deleted) return print(js::error($this->lang->action->refusecase));
            }
        }

        if($action->objectType == 'scene')
        {
            $scene = $this->loadModel('testcase')->getSceneByID($action->objectID);
            if($scene->parent)
            {
                $parentScene = $this->testcase->getSceneByID($scene->parent);
                if($parentScene->deleted) return print(js::error($this->lang->action->refusescene));
            }
        }

        if($action->objectType == 'doc')
        {
            $docContent = $this->dao->select('*')->from(TABLE_DOCCONTENT)->where('doc')->eq($action->objectID)->orderBy('version desc')->limit(1)->fetch();
            if($docContent->files) $this->dao->update(TABLE_FILE)->set('deleted')->eq('0')->where('id')->in($docContent->files)->exec();
        }

        /* Update deleted field in object table. */
        $table = $this->config->objectTables[$action->objectType];
        $this->dao->update($table)->set('deleted')->eq(0)->where('id')->eq($action->objectID)->exec();

        $this->loadModel('product');
        /* Revert userView products when undelete project or execution. */
        if($action->objectType == 'project' or $action->objectType == 'execution')
        {
            $products = $this->product->getProducts($project->id, 'all', '', false);
            if(!empty($products)) $this->loadModel('user')->updateUserView(array_keys($products), 'product');

            if($action->objectType == 'execution')
            {
                $execution = $this->dao->select('id, type, project, grade, parent, status, deleted')->from(TABLE_EXECUTION)->where('id')->eq($action->objectID)->fetch();
                $this->loadModel('common')->syncExecutionByChild($execution);
            }
        }

        /* Revert doclib when undelete product or project. */
        if($action->objectType == 'execution' or $action->objectType == 'product')
        {
            $this->dao->update(TABLE_DOCLIB)->set('deleted')->eq(0)->where($action->objectType)->eq($action->objectID)->exec();
        }

        if($action->objectType == 'demand')
        {
            $demand = $this->dao->select('*')->from(TABLE_DEMAND)->where('id')->eq($action->objectID)->fetch();
            if($demand->parent) $this->loadModel('demand')->updateParentStatus($action->objectID, $demand->parent);
        }

        /* Revert productplan parent status. */
        if($action->objectType == 'productplan') $this->loadModel('productplan')->changeParentField($action->objectID);

        /* Update task status when undelete child task. */
        if($action->objectType == 'task') $this->loadModel('task')->updateParentStatus($action->objectID);

        /* Update action record in action table. */
        $this->dao->update(TABLE_ACTION)->set('extra')->eq(ACTIONMODEL::BE_UNDELETED)->where('id')->eq($actionID)->exec();
        $this->create($action->objectType, $action->objectID, 'undeleted');
    }

    /**
     * Hide an object.
     *
     * @param  int    $actionID
     * @access public
     * @return void
     */
    public function hideOne($actionID)
    {
        $action = $this->getById($actionID);
        if($action->action != 'deleted') return;

        $this->dao->update(TABLE_ACTION)->set('extra')->eq(self::BE_HIDDEN)->where('id')->eq($actionID)->exec();
        $this->create($action->objectType, $action->objectID, 'hidden');
    }

    /**
     * Hide all deleted objects.
     *
     * @access public
     * @return void
     */
    public function hideAll()
    {
        $this->dao->update(TABLE_ACTION)
            ->set('extra')->eq(self::BE_HIDDEN)
            ->where('action')->eq('deleted')
            ->andWhere('extra')->eq(self::CAN_UNDELETED)
            ->exec();
    }

    /**
     * Update comment of a action.
     *
     * @param  int    $actionID
     * @access public
     * @return void
     */
    public function updateComment($actionID)
    {
        $action = $this->getById($actionID);
        $action->comment = trim(strip_tags($this->post->lastComment, $this->config->allowedTags));

        /* Process action. */
        $action = $this->loadModel('file')->processImgURL($action, 'comment', $this->post->uid);

        $this->dao->update(TABLE_ACTION)
            ->set('date')->eq(helper::now())
            ->set('comment')->eq($action->comment)
            ->where('id')->eq($actionID)
            ->exec();
        $this->file->updateObjectID($this->post->uid, $action->objectID, $action->objectType);
    }

    /**
     * Build date group by actions
     *
     * @param  array  $actions
     * @param  string $direction
     * @param  string $type all|today|yesterday|thisweek|lastweek|thismonth|lastmonth
     * @param  string $orderBy date_desc|date_asc
     * @access public
     * @return array
     */
    public function buildDateGroup($actions, $direction = 'next', $type = 'today', $orderBy = 'date_desc')
    {
        $dateGroup = array();
        foreach($actions as $action)
        {
            $timeStamp    = strtotime(isset($action->originalDate) ? $action->originalDate : $action->date);
            $date         = $type == 'all' ? date(DT_DATE3, $timeStamp) : date(DT_DATE4, $timeStamp);
            $action->time = date(DT_TIME2, $timeStamp);
            $dateGroup[$date][] = $action;
        }

        if($dateGroup)
        {
            $lastDate        = date(DT_DATE1, $timeStamp);
            $lastDateActions = $this->dao->select('*')->from(TABLE_ACTION)->where('`date`')->ge($lastDate)->andWhere('`date`')->le("{$lastDate} 23:59:59")->andWhere($this->session->actionQueryCondition)->orderBy($this->session->actionOrderBy)->fetchAll('id');
            if(count($dateGroup[$date]) < count($lastDateActions))
            {
                unset($dateGroup[$date]);
                $lastDateActions = $this->transformActions($lastDateActions);
                foreach($lastDateActions as $action)
                {
                    $timeStamp    = strtotime(isset($action->originalDate) ? $action->originalDate : $action->date);
                    $date         = $type == 'all' ? date(DT_DATE3, $timeStamp) : date(DT_DATE4, $timeStamp);
                    $action->time = date(DT_TIME2, $timeStamp);
                    $dateGroup[$date][] = $action;
                }
            }
        }

        /* Modify date to the corrret order. */
        if($this->app->rawModule != 'company' and $direction != 'next')
        {
            $dateGroup = array_reverse($dateGroup);
        }
        elseif($this->app->rawModule == 'company')
        {
            if($direction == 'pre') $dateGroup = array_reverse($dateGroup);
            if(($direction == 'next' and $orderBy == 'date_asc') or ($direction == 'pre' and $orderBy == 'date_desc'))
            {
                foreach($dateGroup as $key => $dateItem) $dateGroup[$key] = array_reverse($dateItem);
            }
        }
        return $dateGroup;
    }

    /**
     * Check Has pre or next.
     *
     * @param  string $date
     * @param  string $direction
     * @access public
     * @return bool
     */
    public function hasPreOrNext($date, $direction = 'next')
    {
        $condition = $this->session->actionQueryCondition;

        /* Remove date condition for direction. */
        $condition = preg_replace("/AND +[`]?date[`]?[ ]*[\<\>][ |=]*'\d{4}\-\d{2}\-\d{2}'/", '', $condition);
        $actions   = $this->dao->select('id')->from(TABLE_ACTION)
            ->where('date' . ($direction == 'next' ? '<' : '>') . "'{$date}'")
            ->andWhere($condition)
            ->limit(1)
            ->fetch('id');
        return !empty($actions);
    }

    /**
     * Save global search object index information.
     *
     * @param  string $objectType
     * @param  int    $objectID
     * @param  string $actionType
     * @access public
     * @return bool
     */
    public function saveIndex($objectType, $objectID, $actionType)
    {
        $this->loadModel('search');
        $actionType = strtolower($actionType);
        if(!isset($this->config->search->fields->$objectType)) return true;
        if(strpos($this->config->search->buildAction, ",{$actionType},") === false and empty($_POST['comment'])) return true;
        if($actionType == 'deleted' or $actionType == 'erased') return $this->search->deleteIndex($objectType, $objectID);

        $field = $this->config->search->fields->$objectType;
        $query = $this->search->buildIndexQuery($objectType, $testDeleted = false);
        $data  = $query->andWhere('t1.' . $field->id)->eq($objectID)->fetch();
        if(empty($data)) return true;

        $data->comment = '';
        if($objectType == 'effort' and $data->objectType == 'task') return true;
        if($objectType == 'case')
        {
            $caseStep     = $this->dao->select('*')->from(TABLE_CASESTEP)->where('`case`')->eq($objectID)->andWhere('version')->eq($data->version)->fetchAll();
            $data->desc   = '';
            $data->expect = '';
            foreach($caseStep as $step)
            {
                $data->desc   .= $step->desc . "\n";
                $data->expect .= $step->expect . "\n";
            }
        }

        $actions = $this->dao->select('*')->from(TABLE_ACTION)
            ->where('objectType')->eq($objectType)
            ->andWhere('objectID')->eq($objectID)
            ->orderBy('id asc')
            ->fetchAll();
        foreach($actions as $action)
        {
            if($action->action == 'opened') $data->{$field->addedDate} = $action->date;
            $data->{$field->editedDate} = $action->date;
            if(!empty($action->comment)) $data->comment .= $action->comment . "\n";
        }

        $this->search->saveIndex($objectType, $data);
    }

    /**
     * Print actions of an object for API(JIHU).
     *
     * @param  object    $action
     * @access public
     * @return void
     */
    public function printActionForGitLab($action)
    {
        if(!isset($action->objectType) or !isset($action->action)) return false;

        $objectType = $action->objectType;
        $actionType = strtolower($action->action);

        if(isset($this->lang->action->apiTitle->$actionType) and isset($action->extra))
        {
            /* If extra column is a username, then assemble link to that. */
            if($action->action == "assigned")
            {
                $userDetails = $this->loadModel('user')->getUserDetailsForAPI($action->extra);
                if(isset($userDetails[$action->extra]))
                {
                    $userDetail    = $userDetails[$action->extra];
                    $action->extra = "{$action->extra}";
                }
            }

            echo sprintf($this->lang->action->apiTitle->$actionType, $action->extra);
        }
        elseif(isset($this->lang->action->apiTitle->$actionType) and !isset($action->extra))
        {
            echo $this->lang->action->apiTitle->$actionType;
        }
        else
        {
            echo $actionType;
        }
    }

    /**
     * Process action for API.
     *
     * @param  array  $actions
     * @param  array  $users
     * @param  array  $objectLang
     * @access public
     * @return array
     */
    public function processActionForAPI($actions, $users = array(), $objectLang = array())
    {
        $actions = (array)$actions;
        foreach($actions as $action)
        {
            $action->actor = zget($users, $action->actor);
            if($action->action == 'assigned') $action->extra = zget($users, $action->extra);
            if(strpos($action->actor, ':') !== false) $action->actor = substr($action->actor, strpos($action->actor, ':') + 1);

            ob_start();
            $this->printAction($action);
            $action->desc = ob_get_contents();
            ob_end_clean();

            if($action->history)
            {
                foreach($action->history as $i => $history)
                {
                    $history->fieldName = zget($objectLang, $history->field);
                    $action->history[$i] = $history;
                }
            }
        }
        return array_values($actions);
    }

    /**
     * Process dynamic for API.
     *
     * @param  array    $dynamics
     * @access public
     * @return array
     */
    public function processDynamicForAPI($dynamics)
    {
        $users = $this->loadModel('user')->getList();
        $simplifyUsers = array();
        foreach($users as $user)
        {
            $simplifyUser = new stdclass();
            $simplifyUser->id       = $user->id;
            $simplifyUser->account  = $user->account;
            $simplifyUser->realname = $user->realname;
            $simplifyUser->avatar   = $user->avatar;
            $simplifyUsers[$user->account] = $simplifyUser;
        }

        $actions = array();
        foreach($dynamics as $key => $dynamic)
        {
            if($dynamic->objectType == 'user') continue;

            $simplifyUser = zget($simplifyUsers, $dynamic->actor, '');
            $actor = $simplifyUser;
            if(empty($simplifyUser))
            {
                $actor = new stdclass();
                $actor->id       = 0;
                $actor->account  = $dynamic->actor;
                $actor->realname = $dynamic->actor;
                $actor->avatar   = '';
            }

            $dynamic->actor = $actor;
            $actions[]      = $dynamic;
        }

        return $actions;
    }

    /**
     * Build search form.
     *
     * @param  int    $queryID
     * @param  string $actionURL
     * @access public
     * @return void
     */
    public function buildTrashSearchForm($queryID, $actionURL)
    {
        $this->config->trash->search['actionURL'] = $actionURL;
        $this->config->trash->search['queryID']   = $queryID;

        $this->loadModel('search')->setSearchParams($this->config->trash->search);
    }

    /**
     * Restore stages.
     *
     * @param  array  $stageList
     * @access public
     * @return void
     */
    public function restoreStages($stageList)
    {
        $deletedActions = $this->dao->select('*')->from(TABLE_ACTION)
            ->where('objectID')->in(array_keys($stageList))
            ->andWhere('objectType')->eq('execution')
            ->andWhere('action')->eq('deleted')
            ->orderBy('id_desc')
            ->fetchGroup('objectID');

        foreach($stageList as $stageID => $stage)
        {
            $deletedAction = $deletedActions[$stageID][0];
            $this->dao->update(TABLE_EXECUTION)->set('deleted')->eq('0')->where('id')->eq($stageID)->exec();
            $this->dao->update(TABLE_ACTION)->set('extra')->eq(ACTIONMODEL::BE_UNDELETED)->where('id')->eq($deletedAction->id)->exec();
            $this->create($deletedAction->objectType, $deletedAction->objectID, 'undeleted');
        }
    }

    /**
     * Clear dynamic records older than one month.
     *
     * @access public
     * @return bool
     */
    public function cleanActions()
    {
        $cleanDate = zget($this->app->config->global, 'cleanActionsDate', '');
        $today     = helper::today();
        if($cleanDate == $today) return true;

        $this->loadModel('setting')->setItem('system.common.global.cleanActionsDate', $today);

        $lastMonth = date('Y-m-d', strtotime('-1 month'));
        $this->dao->delete()->from(TABLE_ACTIONRECENT)->where('date')->lt($lastMonth)->exec();
        return !dao::isError();
    }

    /**
     * Get dynamic count.
     *
     * @access public
     * @return void
     */
    public function getDynamicCount()
    {
        $condition = $this->session->actionQueryCondition;
        $count     = $this->dao->select('count(1) as count')->from(TABLE_ACTION)
            ->where($condition)
            ->fetch('count');
        return $count;
    }
}