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freenetis-github/application/controllers/clouds.php @ 1438209a

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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 performs clouds actions.
* Cloud is large district which contains subnets.
* Clouds are mostly towns or town quarters.
*
* @package Controller
* @author Ondřej Fibich
*/
class Clouds_Controller extends Controller
{
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/**
* Constructor, only test if networks is enabled
*/
public function __construct()
{
parent::__construct();
// access control
if (!Settings::get('networks_enabled'))
Controller::error (ACCESS);
}
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/**
* Index redirects to show all
*/
public function index()
{
url::redirect('clouds/show_all');
}

/**
* Shows all clouds
*/
public function show_all()
{
// access check
if (!$this->acl_check_view('Clouds_Controller', 'clouds'))
{
Controller::error(ACCESS);
}

// model
$cloud_model = new Cloud_Model();

// gets data
$query = $cloud_model->get_all_clouds();

// grid
$grid = new Grid('clouds', null, array
(
'use_paginator' => false,
'use_selector' => false
));

if ($this->acl_check_new('Clouds_Controller', 'clouds'))
{
$grid->add_new_button('clouds/add', __('Add new cloud'));
}

$grid->field('id');
$grid->field('name');
$grid->field('subnet_count');
$grid->field('admin_count');
$actions = $grid->grouped_action_field();
$actions->add_action()
->icon_action('show')
->url('clouds/show');
if ($this->acl_check_edit('Clouds_Controller', 'clouds'))
{
$actions->add_action()
->icon_action('edit')
->url('clouds/edit');
}
if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$actions->add_action()
->icon_action('delete')
->url('clouds/delete')
->class('delete_link');
}
// load datasource
$grid->datasource($query);
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->text('Clouds')
->html();

// main view
$view = new View('main');
$view->title = __('List of all clouds');
$view->content = new View('show_all');
$view->breadcrumbs = $breadcrumbs;
$view->content->headline = __('List of all clouds');
$view->content->table = $grid;
$view->render(TRUE);
}

/**
* Show subnet with given ID
*
* @param integer $cloud_id
*/
public function show($cloud_id = NULL)
{
// param check
if (!$cloud_id || !is_numeric($cloud_id))
{
Controller::warning(PARAMETER);
}
// check acess
if (!$this->acl_check_view('Clouds_Controller', 'clouds'))
{
Controller::error(ACCESS);
}

$cloud_model = new Cloud_Model($cloud_id);
// exist record
if (!$cloud_model->id)
{
Controller::error(RECORD);
}
/* ADMINS */
// post delete
if ($_POST && isset($_POST['uid']) &&
$this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$ids = array_keys($_POST['uid']);
if (count($ids) > 0)
{
$cloud_model->remove_admins($cloud_id, $ids);
status::success('Admins of cloud have been successfully removed');
}
}

// gets admins of cloud
$admins = $cloud_model->get_cloud_admins();

// grid
$grid_admins = new Grid('clouds', null, array
(
'use_paginator' => false,
'use_selector' => false
));
if ($this->acl_check_new('Clouds_Controller', 'clouds'))
{
$grid_admins->add_new_button(
'clouds/add_admin/' . $cloud_id,
__('Add admin of cloud')
);
}

if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$grid_admins->form_field('uid')
->label('')
->order(false)
->type('checkbox');
}
$grid_admins->field('id');
$grid_admins->field('user');
$actions = $grid_admins->grouped_action_field();
if ($this->acl_check_view('Users_Controller', 'users'))
{
$actions->add_action()
->icon_action('show')
->url('users/show');
}
if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$actions->add_action()
->icon_action('delete')
->url('clouds/remove_admin/' . $cloud_id)
->label('Remove');
}
if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
// adds extra buttons
$grid_admins->form_extra_buttons = array
(
form::checkbox('admins_mark_all', 'on', FALSE, 'class="checkbox"') .
form::label('mark_all', __('Mark all'), 'class="mark_all_label"')
);
$grid_admins->form_submit_value = __('Delete');
}
// load data
$grid_admins->datasource($admins);
/* SUBNETS */
// post delete
if ($_POST && isset($_POST['sid']) &&
$this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$ids = array_keys($_POST['sid']);
if (count($ids) > 0)
{
$cloud_model->remove_subnets($cloud_id, $ids);
status::success('Subnets have been successfully removed from cloud');
}
}

// get cloud subnets
$subnets = $cloud_model->get_cloud_subnets();

// grid
$grid_subnets = new Grid('clouds', null, array
(
'use_paginator' => false,
'use_selector' => false
));

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if ($this->acl_check_new('Subnets_Controller', 'subnet'))
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{
$grid_subnets->add_new_button(
'subnets/add/' . $cloud_id, __('Add new subnet')
);
}
if ($this->acl_check_new('Clouds_Controller', 'clouds'))
{
$grid_subnets->add_new_button(
'clouds/add_subnet/' . $cloud_id, __('Add subnet to cloud')
);
}
if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$grid_subnets->form_field('sid')
->label('')
->order(false)
->type('checkbox');
}
$grid_subnets->field('id');
$grid_subnets->field('name');
$grid_subnets->field('network_address')
->label(__('Address network'));
$grid_subnets->field('netmask');
$actions = $grid_subnets->grouped_action_field();
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if ($this->acl_check_view('Subnets_Controller', 'subnet'))
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{
$actions->add_action()
->icon_action('show')
->url('subnets/show');
}
if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
$actions->add_action()
->icon_action('delete')
->url('clouds/remove_subnet/' . $cloud_id)
->label('Remove');
}
if ($this->acl_check_delete('Clouds_Controller', 'clouds'))
{
// adds extra buttons
$grid_subnets->form_extra_buttons = array
(
form::checkbox('subnets_mark_all', 'on', FALSE, 'class="checkbox"') .
form::label('mark_all', __('Mark all'), 'class="mark_all_label"')
);
$grid_subnets->form_submit_value = __('Delete');
}

// load data
$grid_subnets->datasource($subnets);
$headline = $cloud_model->name . ' (' . $cloud_id . ')';
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->link('clouds/show_all', 'Clouds',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->disable_translation()
->text($headline)
->html();

// view
$view = new View('main');
$view->title = $headline;
$view->content = new View('clouds/show');
$view->breadcrumbs = $breadcrumbs;
$view->content->cloud = $cloud_model;
$view->content->admins = $grid_admins;
$view->content->subnets = $grid_subnets;
$view->render(TRUE);
}

/**
* Adds cloud
*/
public function add()
{
// check access
if (!$this->acl_check_new('Clouds_Controller', 'clouds'))
{
Controller::error(ACCESS);
}
// gets all subnets
$subnet_model = new Subnet_Model();
$subnets = $subnet_model->select_list('id', 'name');
// gets all users
$user_model = new User_Model();
$users = $user_model->select_list_grouped();

// form
$form = new Forge('clouds/add');

$form->group('Basic information');
$form->input('name')
->rules('required')
->style('width:600px');
$form->dropdown('subnets[]')
->label(__('Subnets') . ': ' . help::hint('multiple_dropdown'))
->size(20)
->multiple('multiple')
->options($subnets)
->class('max');
$form->dropdown('admins[]')
->label(__('Admins') . ': ' . help::hint('multiple_dropdown'))
->size(20)
->multiple('multiple')
->options($users)
->class('max');
$form->submit('Add');

// validate form and save data
if ($form->validate())
{
try
{
// cloud model
$cloud_model = new Cloud_Model();
// start transaction
$cloud_model->transaction_start();
// save cloud
$cloud_model->name = htmlspecialchars($form->name->value);
$issave = $cloud_model->save_throwable();
// add admins
if (isset($_POST['admins']) && is_array($_POST['admins']))
{
foreach ($_POST['admins'] as $user_id)
{
$user_model->find($user_id);
if ($user_model->id)
{
$cloud_model->add($user_model);
$cloud_model->save_throwable();
}
}
}
// add subnets
if (isset($_POST['subnets']) && is_array($_POST['subnets']))
{
foreach ($_POST['subnets'] as $subnet_id)
{
$subnet_model->find($subnet_id);
if ($subnet_model->id)
{
$cloud_model->add($subnet_model);
$cloud_model->save_throwable();
}
}
}
// commit transaction
$cloud_model->transaction_commit();

// message
status::success('Cloud has been successfully added.');
// redirection
url::redirect('clouds/show_all');
}
catch (Exception $e)
{
// roolback transaction
$cloud_model->transaction_rollback();
Log::add_exception($e);
// message
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status::error('Error - cannot add cloud', $e);
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}
}
$headline = __('Add new cloud');
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->link('clouds/show_all', 'Clouds',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->disable_translation()
->text($headline)
->html();

// view
$view = new View('main');
$view->title = __('Add new cloud');
$view->content = new View('form');
$view->breadcrumbs = $breadcrumbs;
$view->content->headline = $headline;
$view->content->form = $form->html();
$view->render(TRUE);
}

/**
* Assign admin as admin of cloud
*
* @param integer $cloud_id
*/
public function add_admin($cloud_id = null)
{
// check param
if (!$cloud_id || !is_numeric($cloud_id))
{
Controller::warning(PARAMETER);
}
// check access
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if (!$this->acl_check_new('Clouds_Controller', 'clouds'))
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{
Controller::error(ACCESS);
}

// load model
$cloud_model = new Cloud_Model($cloud_id);
// check exists
if (!$cloud_model->id)
{
Controller::error(RECORD);
}

// list of free
$arr_admin = $cloud_model->select_list_of_admins_not_in($cloud_id);

//are there any unassigned amins?
if (count($arr_admin) == 1)
{
status::warning('There are not any unassigned admins.');
url::redirect('clouds/show/' . $cloud_id);
}

// form
$form = new Forge('clouds/add_admin/' . $cloud_id);
$form->dropdown('admins[]')
->label(__('Admins') . ': ' . help::hint('multiple_dropdown'))
->size(20)
->multiple('multiple')
->options($arr_admin)
->class('max');
$form->submit('Assign');

// validate form and save data
if ($form->validate())
{
try
{
// start transaction
$cloud_model->transaction_start();
$user_model = new User_Model();
// add admins
if (isset($_POST['admins']) && is_array($_POST['admins']))
{
foreach ($_POST['admins'] as $user_id)
{
$user_model->find($user_id);
if ($user_model->id)
{
$cloud_model->add($user_model);
$cloud_model->save_throwable();
}
}
}
// commit transaction
$cloud_model->transaction_commit();

// message
status::success('Admins have been successfully assigned to cloud');
// redirection
url::redirect('clouds/show/' . $cloud_id);
}
catch (Exception $e)
{
// roolback transaction
$cloud_model->transaction_rollback();
Log::add_exception($e);
// message
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status::error('Error - cannot add admin to cloud', $e);
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}
}
$headline = __('Assign admin to cloud');
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->link('clouds/show_all', 'Clouds',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->disable_translation()
->link('clouds/show/' . $cloud_id,
$cloud_model->name . ' (' . $cloud_id . ')',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->text($headline)
->html();

// view
$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $breadcrumbs;
$view->content = new View('form');
$view->content->headline = $headline;
$view->content->form = $form->html();
$view->render(TRUE);
}

/**
* Adds subnet to cloud
*
* @param integer $cloud_id
*/
public function add_subnet($cloud_id = null)
{
// check param
if (!$cloud_id || !is_numeric($cloud_id))
{
Controller::warning(PARAMETER);
}
// check access
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if (!$this->acl_check_new('Clouds_Controller', 'clouds'))
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{
Controller::error(ACCESS);
}

// load model
$cloud_model = new Cloud_Model($cloud_id);
// check exists
if (!$cloud_model->id)
{
Controller::error(RECORD);
}

// list of free
$arr_subnet = $cloud_model->select_list_of_subnets_not_in($cloud_id);

//are there any unassigned subnets?
if (count($arr_subnet) == 1)
{
status::warning('There are not any unassigned subnets.');
url::redirect('clouds/show/' . $cloud_id);
}

// form
$form = new Forge('clouds/add_subnet/' . $cloud_id);
$form->dropdown('subnets[]')
->label(__('Subnets') . ': ' . help::hint('multiple_dropdown'))
->size(20)
->multiple('multiple')
->options($arr_subnet)
->class('max');
$form->submit('Insert');

// validate form and save data
if ($form->validate())
{
try
{
// start transaction
$cloud_model->transaction_start();
$subnet_model = new Subnet_Model();
// add subnets
if (isset($_POST['subnets']) && is_array($_POST['subnets']))
{
foreach ($_POST['subnets'] as $subnet_id)
{
$subnet_model->find($subnet_id);
if ($subnet_model->id)
{
$cloud_model->add($subnet_model);
$cloud_model->save_throwable();
}
}
}
// commit transaction
$cloud_model->transaction_commit();

// message
status::success('Subnets have been successfully assigned to cloud.');
// redirection
url::redirect('clouds/show/' . $cloud_id);
}
catch (Exception $e)
{
// roolback transaction
$cloud_model->transaction_rollback();
Log::add_exception($e);
// message
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status::error('Error - cannot add subnet to cloud', $e);
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}
}
// bread crumbs
$headline = __('Assign subnet to cloud');
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->link('clouds/show_all', 'Clouds',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->disable_translation()
->link('clouds/show/' . $cloud_id,
$cloud_model->name . ' (' . $cloud_id . ')',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->text($headline)
->html();

// view
$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $breadcrumbs;
$view->content = new View('form');
$view->content->headline = $headline . ' - ' . $cloud_model->name;
$view->content->form = $form->html();
$view->render(TRUE);
}

/**
* Edits cloud
*
* @param integer $cloud_id
*/
public function edit($cloud_id = NULL)
{
// check param
if (!$cloud_id || !is_numeric($cloud_id))
{
Controller::warning(PARAMETER);
}
// check access
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if (!$this->acl_check_edit('Clouds_Controller', 'clouds'))
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{
Controller::error(ACCESS);
}

// load model
$cloud_model = new Cloud_Model($cloud_id);
// check exists
if (!$cloud_model->id)
{
Controller::error(RECORD);
}
// form
$form = new Forge('clouds/edit/' . $cloud_id);
$form->input('name')
->rules('required')
->value($cloud_model->name)
->style('width:600px');
$form->submit('Edit');

//validate form and save data
if ($form->validate())
{
$cloud_model->name = $form->name->value;
if ($cloud_model->save())
{
// message
status::success('Cloud has been successfully updated.');
}
else
{
status::error('Error - cloud cannot be updated.');
}
// redirect
url::redirect('clouds/show_all');
}
$headline = __('Edit cloud');
// bread crumbs
$breadcrumbs = breadcrumbs::add()
->link('clouds/show_all', 'Clouds',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->disable_translation()
->link('clouds/show/' . $cloud_id,
$cloud_model->name . ' (' . $cloud_id . ')',
$this->acl_check_view('Clouds_Controller', 'clouds'))
->text($headline)
->html();

// view
$view = new View('main');
$view->title = $headline;
$view->breadcrumbs = $breadcrumbs;
$view->content = new View('form');
$view->content->form = $form->html();
$view->content->headline = $headline;
$view->render(TRUE);
}

/**
* Deletes cloud and its records in pivot tables
*
* @param integer $cloud_id
*/
public function delete($cloud_id = NULL)
{
// check param
if (!$cloud_id || !is_numeric($cloud_id))
{
Controller::warning(PARAMETER);
}
// check access
if (!$this->acl_check_delete('Clouds_Controller', 'clouds'))
{
Controller::error(ACCESS);
}

// load model
$cloud_model = new Cloud_Model($cloud_id);
// check exists
if (!$cloud_model->id)
{
Controller::error(RECORD);
}
// delete (pivot tables are deleted by forein keys)
if ($cloud_model->delete())
{
status::success('Cloud has been successfully deleted.');
}
else
{
status::error('Error - cant delete this cloud.');
}

// redirect to show all
url::redirect('clouds/show_all/');
}
/**
* Removes admin of cloud
*
* @param integer $cloud_id
* @param integer $user_id
*/
public function remove_admin($cloud_id = NULL, $user_id = NULL)
{
// check param
if (!$cloud_id || !is_numeric($cloud_id) ||
!$user_id || !is_numeric($user_id))
{
Controller::warning(PARAMETER);
}
// check access
if (!$this->acl_check_delete('Clouds_Controller', 'clouds'))
{
Controller::error(ACCESS);
}

// load models
$cloud_model = new Cloud_Model($cloud_id);
$user_model = new User_Model($user_id);
// check exists
if (!$cloud_model->id || !$user_model->id)
{
Controller::error(RECORD);
}
// remove record from pivot table
$cloud_model->remove($user_model);
// confirm removine
if (!$cloud_model->save())
{
status::error('Error - cannot remove admin of cloud');
}
else
{
status::success('Admin of cloud has been successfully removed');
}

// redirect to show
url::redirect('clouds/show/' . $cloud_id);
}
/**
* Removes subnet of cloud
*
* @param integer $cloud_id
* @param integer $subnet_id
*/
public function remove_subnet($cloud_id = NULL, $subnet_id = NULL)
{
// check param
if (!$cloud_id || !is_numeric($cloud_id) ||
!$subnet_id || !is_numeric($subnet_id))
{
Controller::warning(PARAMETER);
}
// check access
if (!$this->acl_check_delete('Clouds_Controller', 'clouds'))
{
Controller::error(ACCESS);
}

// load models
$cloud_model = new Cloud_Model($cloud_id);
$subnet_model = new Subnet_Model($subnet_id);
// check exists
if (!$cloud_model->id || !$subnet_model->id)
{
Controller::error(RECORD);
}
// remove record from pivot table
$cloud_model->remove($subnet_model);
// confirm removine
if (!$cloud_model->save())
{
status::error('Error - cannot remove subnet of cloud');
}
else
{
status::success('Subnet has been successfully removed from cloud');
}

// redirect to show
url::redirect('clouds/show/' . $cloud_id);
}

}