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<!DOCTYPE html>
<html>
<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\Live\Visualizations;

use Piwik\Common;
use Piwik\Config;
use Piwik\Container\StaticContainer;
use Piwik\DataTable;
use Piwik\Piwik;
use Piwik\Plugin;
use Piwik\Plugin\ViewDataTable;
use Piwik\Plugin\Visualization;
use Piwik\Plugins\Live\Live;
use Piwik\Plugins\PrivacyManager\PrivacyManager;
use Piwik\Tracker\Action;
/**
 * A special DataTable visualization for the Live.getLastVisitsDetails API method.
 *
 * @property VisitorLog\Config $config
 */
class VisitorLog extends Visualization
{
    public const ID = 'VisitorLog';
    public const TEMPLATE_FILE = "@Live/_dataTableViz_visitorLog.twig";
    public const FOOTER_ICON_TITLE = '';
    public const FOOTER_ICON = '';
    public static function getDefaultConfig()
    {
        return new \Piwik\Plugins\Live\Visualizations\VisitorLog\Config();
    }
    public function beforeLoadDataTable()
    {
        $this->requestConfig->addPropertiesThatShouldBeAvailableClientSide(array('filter_limit', 'filter_offset', 'filter_sort_column', 'filter_sort_order'));
        if (!is_numeric($this->requestConfig->filter_limit) || $this->requestConfig->filter_limit == -1) {
            $defaultLimit = Config::getInstance()->General['datatable_default_limit'];
            $this->requestConfig->filter_limit = $defaultLimit;
        }
        if ($this->isInPopover()) {
            $this->requestConfig->filter_limit = 10;
        }
        $this->requestConfig->request_parameters_to_modify['filter_limit'] = $this->requestConfig->filter_limit + 1;
        // request one more record, to check if a next page is available
        $this->requestConfig->disable_generic_filters = \true;
        $this->requestConfig->filter_sort_column = \false;
        $view = $this;
        $this->config->filters[] = function (DataTable $table) use($view) {
            if (Plugin\Manager::getInstance()->isPluginActivated('PrivacyManager') && PrivacyManager::haveLogsBeenPurged($table)) {
                $settings = PrivacyManager::getPurgeDataSettings();
                if (!empty($settings['delete_logs_older_than'])) {
                    $numDaysDelete = $settings['delete_logs_older_than'];
                    $view->config->no_data_message = Piwik::translate('CoreHome_ThereIsNoDataForThisReport') . ' ' . Piwik::translate('Live_VisitorLogNoDataMessagePurged', $numDaysDelete);
                }
            }
        };
        $this->config->filters[] = function (DataTable $table) {
            $this->groupActionsByPageviewId($table);
        };
    }
    public function afterGenericFiltersAreAppliedToLoadedDataTable()
    {
        $this->requestConfig->filter_sort_column = \false;
    }
    private function isInPopover()
    {
        return Common::getRequestVar('inPopover', '0') !== '0';
    }
    /**
     * Configure visualization.
     */
    public function beforeRender()
    {
        $this->config->show_as_content_block = \false;
        $this->config->title = Piwik::translate('Live_VisitorLog');
        $this->config->disable_row_actions = \true;
        $this->config->datatable_js_type = 'VisitorLog';
        $this->config->enable_sort = \false;
        $this->config->show_search = \false;
        $this->config->show_exclude_low_population = \false;
        $this->config->show_offset_information = \false;
        $this->config->show_all_views_icons = \false;
        $this->config->show_table_all_columns = \false;
        $this->config->show_export_as_rss_feed = \false;
        $this->config->disable_all_rows_filter_limit = \true;
        $this->config->documentation = Piwik::translate('Live_VisitorLogDocumentation', array('<br />', '<br />'));
        if (!is_array($this->config->custom_parameters)) {
            $this->config->custom_parameters = array();
        }
        // ensure to show next link if there are enough rows for a next page
        if ($this->dataTable->getRowsCount() > $this->requestConfig->filter_limit) {
            $this->dataTable->deleteRowsOffset($this->requestConfig->filter_limit);
            $this->config->custom_parameters['totalRows'] = 10000000;
        }
        $this->config->custom_parameters['smallWidth'] = (int) (1 == Common::getRequestVar('small', 0, 'int'));
        $this->config->custom_parameters['hideProfileLink'] = (int) (1 == Common::getRequestVar('hideProfileLink', 0, 'int'));
        $this->config->custom_parameters['pageUrlNotDefined'] = Piwik::translate('General_NotDefined', Piwik::translate('Actions_ColumnPageURL'));
        if (!Live::isVisitorProfileEnabled()) {
            $this->config->custom_parameters['hideProfileLink'] = 1;
        }
        if (!$this->isInPopover()) {
            $this->config->footer_icons = array(array('class' => 'tableAllColumnsSwitch', 'buttons' => array(array('id' => static::ID, 'title' => Piwik::translate('Live_LinkVisitorLog'), 'icon' => 'plugins/Morpheus/images/table.png'))));
        } else {
            // It's opening in a popover, just show a few records and don't give the user any actions to play with
            $this->config->footer_icons = array();
            $this->config->show_export = \false;
            $this->config->show_pagination_control = \false;
            $this->config->show_limit_control = \false;
        }
        $this->assignTemplateVar('actionsToDisplayCollapsed', StaticContainer::get('Live.pageViewActionsToDisplayCollapsed'));
        $enableAddNewSegment = Common::getRequestVar('enableAddNewSegment', \false);
        if ($enableAddNewSegment) {
            $this->config->datatable_actions[] = ['id' => 'addSegmentToMatomo', 'title' => Piwik::translate('SegmentEditor_AddThisToMatomo'), 'icon' => 'icon-segment'];
        }
    }
    public static function canDisplayViewDataTable(ViewDataTable $view)
    {
        return $view->requestConfig->getApiModuleToRequest() === 'Live';
    }
    // TODO: need to unit test this
    public static function groupActionsByPageviewId(DataTable $table)
    {
        foreach ($table->getRows() as $row) {
            $actionGroups = [];
            foreach ($row->getColumn('actionDetails') as $key => $action) {
                // if action is not a pageview action
                if (empty($action['idpageview']) && self::isPageviewAction($action)) {
                    $actionGroups[] = ['pageviewAction' => null, 'actionsOnPage' => [$action], 'refreshActions' => []];
                    continue;
                }
                // if there is no idpageview for wahtever reason, invent one
                $idPageView = !empty($action['idpageview']) ? $action['idpageview'] : count($actionGroups);
                if (empty($actionGroups[$idPageView])) {
                    $actionGroups[$idPageView] = ['pageviewAction' => null, 'actionsOnPage' => [], 'refreshActions' => []];
                }
                if ($action['type'] == 'action') {
                    if (empty($actionGroups[$idPageView]['pageviewAction'])) {
                        $actionGroups[$idPageView]['pageviewAction'] = $action;
                    } elseif (empty($actionGroups[$idPageView]['pageviewAction']['url'])) {
                        // set this action as the pageview action either if there isn't one set already, or the existing one
                        // has no URL
                        $actionGroups[$idPageView]['refreshActions'][] = $actionGroups[$idPageView]['pageviewAction'];
                        $actionGroups[$idPageView]['pageviewAction'] = $action;
                    } else {
                        $actionGroups[$idPageView]['refreshActions'][] = $action;
                    }
                } else {
                    $actionGroups[$idPageView]['actionsOnPage'][] = $action;
                }
            }
            foreach ($actionGroups as $idPageView => $actionGroup) {
                if (!empty($actionGroup['actionsOnPage'])) {
                    usort($actionGroup['actionsOnPage'], function ($a, $b) {
                        $fields = array('timestamp', 'title', 'url', 'type', 'pageIdAction', 'goalId', 'timeSpent');
                        foreach ($fields as $field) {
                            $sort = self::sortByActionsOnPageColumn($a, $b, $field);
                            if ($sort !== 0) {
                                return $sort;
                            }
                        }
                        return 0;
                    });
                    $actionGroups[$idPageView]['actionsOnPage'] = $actionGroup['actionsOnPage'];
                }
            }
            // merge action groups that have the same page url/action and no pageviewactions
            $actionGroups = self::mergeRefreshes($actionGroups);
            $row->setColumn('actionGroups', $actionGroups);
        }
    }
    public static function sortByActionsOnPageColumn($a, $b, $field)
    {
        if (!isset($a[$field]) && !isset($b[$field])) {
            return 0;
        }
        if (!isset($a[$field])) {
            return -1;
        }
        if (!isset($b[$field])) {
            return 1;
        }
        if ($field === 'serverTimePretty') {
            $a[$field] = strtotime($a[$field]);
            $b[$field] = strtotime($b[$field]);
        }
        if ($field === 'type') {
            $a[$field] = (string) $a[$field];
            $b[$field] = (string) $b[$field];
        }
        if ($a[$field] === $b[$field]) {
            return 0;
        }
        if ($a[$field] < $b[$field]) {
            return -1;
        }
        return 1;
    }
    private static function mergeRefreshes(array $actionGroups)
    {
        $previousId = null;
        foreach ($actionGroups as $idPageview => $group) {
            if (empty($previousId)) {
                $previousId = $idPageview;
                continue;
            }
            $action = $group['pageviewAction'];
            $actionUrl = !empty($action['url']) ? $action['url'] : '';
            $actionTitle = !empty($action['pageTitle']) ? $action['pageTitle'] : '';
            $lastActionGroup = $actionGroups[$previousId];
            $lastGroupUrl = !empty($lastActionGroup['pageviewAction']['url']) ? $lastActionGroup['pageviewAction']['url'] : '';
            $lastGroupTitle = !empty($lastActionGroup['pageviewAction']['pageTitle']) ? $lastActionGroup['pageviewAction']['pageTitle'] : '';
            $isLastGroupEmpty = empty($actionGroups[$previousId]['actionsOnPage']);
            $isPageviewActionSame = $lastGroupUrl == $actionUrl && $lastGroupTitle == $actionTitle;
            // if the current action has the same url/action name as the last, merge w/ the last action group
            if ($isLastGroupEmpty && $isPageviewActionSame) {
                $actionGroups[$previousId]['refreshActions'][] = $action;
                $actionGroups[$previousId]['actionsOnPage'] = array_merge($actionGroups[$previousId]['actionsOnPage'], $actionGroups[$idPageview]['actionsOnPage']);
                unset($actionGroups[$idPageview]);
            } else {
                $previousId = $idPageview;
            }
        }
        return $actionGroups;
    }
    private static function isPageviewAction($action)
    {
        return $action['type'] != 'action' && $action['type'] != Action::TYPE_PAGE_URL && $action['type'] != Action::TYPE_PAGE_TITLE;
    }
}
