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<?php defined('SYSPATH') or die('No direct script access.');
/*
* This file is part of open source system FreenetIS
* and it is released under GPLv3 licence.
*
* More info about licence can be found:
* http://www.gnu.org/licenses/gpl-3.0.html
*
* More info about project can be found:
* http://www.freenetis.org/
*
*/

/**
* Controller of logs.
* Table logs is handled as partitioned table, it needs at least MySQL ver. 5.1.
* Table partitions are created by scheduler.
* Logs are preserved for maximum of 30 days.
*
* @author Ondřej Fibich
* @package Controller
*/
class Logs_Controller extends Controller
{
/**
* Redirects to show_all
*
* @author Ondřej Fibich
*/
public function index()
{
url::redirect('logs/show_all');
}

/**
* Show all actions logs and enable filter them.
*
* @author Ondřej Fibich
*/
public function show_all($limit_results = 50, $page_word = null, $page = 1)
{
if (!$this->acl_check_view('Logs_Controller', 'logs'))
Controller::error(ACCESS);
if (Settings::get('action_logs_active') != 1)
url::redirect('settings/logging');

// gets new selector
if (is_numeric($this->input->post('record_per_page')))
$limit_results = (int) $this->input->post('record_per_page');

$filter_form = new Filter_form('l');
$filter_form->add('table_name');
$filter_form->add('time')
->type('date');
$filter_form->add('user_name')
->type('combo')
->label('Firstname of user')
->callback('json/user_name');
$filter_form->add('user_surname')
->type('combo')
->label('Surname of user')
->callback('json/user_surname');
$filter_form->add('member_name')
->callback('json/member_name');
$filter_form->add('action')
->type('select')
->values(array
(
Log_Model::ACTION_ADD => __('Added'),
Log_Model::ACTION_DELETE => __('Deleted'),
Log_Model::ACTION_UPDATE => __('Updated')
));
$filter_form->add('object_id')
->type('number');
$log_model = new Log_Model();

$total_logs = $log_model->count_all_logs($filter_form->as_sql());

if (($sql_offset = ($page - 1) * $limit_results) > $total_logs)
$sql_offset = 0;

// load logs
$logs = $log_model->get_all_logs(
$sql_offset, (int) $limit_results, $filter_form->as_sql()
);

// title of view
$title = __('Action logs');

// create grid
$grid = new Grid('logs/show_all', $title, array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 50,
'selector_min' => 50,
'selector_max_multiplier' => 10,
'uri_segment' => 'page',
'base_url' => Config::get('lang')
. '/logs/show_all/' . $limit_results,
'total_items' => $total_logs,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => 'id',
'order_by_direction' => 'DESC',
'limit_results' => $limit_results,
'filter' => $filter_form
));

$grid->field('id');
$grid->callback_field('user_id')
->label('User')
->callback('callback::user_id_log_field');
$grid->callback_field('action')
->callback('callback::log_action_field');
$grid->field('table_name')
->label('Table');
$grid->callback_field('object_id')
->label('Object')
->callback('callback::object_log_field');
$grid->field('time');

$grid->datasource($logs);

$view = new View('main');
$view->title = __('Action logs');
$view->breadcrumbs = __('Action logs');
$view->content = $grid;
$view->render(TRUE);
}

/**
* Show logs of user
*
* @author Ondřej Fibich
* @param integer $user_id
*/
public function show_by_user($user_id = null, $limit_results = 200,
$page_word = null, $page = 1)
{
if (!$this->acl_check_view('Logs_Controller', 'logs'))
Controller::error(ACCESS);

if (!isset($user_id))
Controller::warning(PARAMETER);
if (Settings::get('action_logs_active') != 1)
url::redirect('settings/logging');

$user = new User_Model((int) $user_id);

if (!$user->id)
Controller::error(RECORD);

// gets new selector
if (is_numeric($this->input->post('record_per_page')))
$limit_results = (int) $this->input->post('record_per_page');

$log_model = new Log_Model();

$total_logs = $log_model->count_all_users_logs($user_id);

if (($sql_offset = ($page - 1) * $limit_results) > $total_logs)
$sql_offset = 0;

$title = __('Action logs of user')
. ' ' . $user->name . ' ' . $user->surname;

// load logs
$logs = $log_model->get_all_users_logs(
$user->id, $sql_offset, (int) $limit_results
);

// create grid
$grid = new Grid('logs/show_all', '', array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 200,
'selector_min' => 200,
'selector_max_multiplier' => 10,
'uri_segment' => 'page',
'base_url' => Config::get('lang')
. '/logs/show_by_user/' . $user_id . '/'
. $limit_results,
'total_items' => $total_logs,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => 'id',
'order_by_direction' => 'DESC',
'limit_results' => $limit_results
));

$grid->field('id');
$grid->callback_field('user_id')
->label('User')
->callback('callback::user_id_log_field');
$grid->callback_field('action')
->label('Action')
->callback('callback::log_action_field');
$grid->field('table_name')
->label('Table');
$grid->callback_field('object_id')
->label('Object')
->callback('callback::object_log_field');
$grid->field('time');

$grid->datasource($logs);
$breadcrumbs = breadcrumbs::add()
->link('logs/show_all', 'Action logs',
$this->acl_check_view('Logs_Controller', 'logs'))
->text($user->get_full_name() . ': ' . $user->login);

$view = new View('main');
$view->title = __('Action logs');
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('show_all');
$view->content->headline = $title;
$view->content->table = $grid;
$view->render(TRUE);
}

/**
* Show logs of user
*
* @author Ondřej Fibich
* @param string $table
* @param integer $object_id
*/
public function show_object(
$table, $object_id = null, $limit_results = 200,
$page_word = null, $page = 1)
{
if (!$this->acl_check_view('Logs_Controller', 'logs'))
Controller::error(ACCESS);
if (!is_numeric($object_id) || !is_string($table))
Controller::warning(PARAMETER);
if (Settings::get('action_logs_active') != 1)
url::redirect('settings/logging');

// gets new selector
if (is_numeric($this->input->post('record_per_page')))
$limit_results = (int) $this->input->post('record_per_page');

$log_model = new Log_Model();

$total_logs = $log_model->count_all_object_logs($table, $object_id);

if (($sql_offset = ($page - 1) * $limit_results) > $total_logs)
$sql_offset = 0;

$title = __('Action logs of object');

// load logs
$logs = $log_model->get_all_object_logs(
$table, $object_id, $sql_offset, (int) $limit_results
);

// create grid
$grid = new Grid('logs/show_all', '', array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 200,
'selector_min' => 200,
'selector_max_multiplier' => 10,
'uri_segment' => 'page',
'base_url' => Config::get('lang')
. '/logs/show_object/' . $table . '/'
. $object_id . '/' . $limit_results,
'total_items' => $total_logs,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => 'id',
'order_by_direction' => 'DESC',
'limit_results' => $limit_results
));

$grid->field('id');
$grid->callback_field('user_id')
->label('User')
->callback('callback::user_id_log_field');
$grid->callback_field('action')
->label('Action')
->callback('callback::log_action_field');
$grid->field('table_name')
->label('Table');
$grid->callback_field('object_id')
->label('Object')
->callback('callback::object_log_field');
$grid->field('time');
$grid->callback_field('values')
->label('Changed values')
->callback('callback::value_log_field');

$grid->datasource($logs);
$breadcrumbs = breadcrumbs::add()
->link('logs/show_all', 'Action logs',
$this->acl_check_view('Logs_Controller', 'logs'))
->disable_translation()
->text(__('Object') . ' ' . $table . ':' . $object_id);

$view = new View('main');
$view->title = __('Action logs');
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('show_all');
$view->content->headline = $title;
$view->content->table = $grid;
$view->render(TRUE);
}

}
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