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freenetis-github/application/controllers/works.php @ 8baed187

<?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/
*
*/

/**
* Controllers manages user's works and it's (dis)approval directed by
* approval types and templates.
*
* Each work has to be approved by other pre-defined users by their votes.
*
* @author Michal Kliment
* @package Controller
*/
class Works_Controller extends Controller
{
/**
* Index redirects to work pending
*/
public function index()
{
url::redirect('works/pending');
}

/**
* Function to show all pending works
*
* @author Michal Kliment
* @param number $limit_results
* @param string $order_by
* @param string $order_by_direction
* @param string $page_word
* @param number $page
*/
public function pending(
$limit_results = 100, $order_by = 'date',
$order_by_direction = 'ASC',
$page_word = null, $page = 1)
{
// acccess control
if (!$this->acl_check_view('Users_Controller','work'))
Controller::error(ACCESS);

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

$work_model = new Job_Model();
$total_works = $work_model->count_all_pending_works();

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

$works = $work_model->get_all_pending_works(
$sql_offset, (int)$limit_results, $order_by, $order_by_direction
);

$approval_template_item_model = new Approval_template_item_Model();

// test if user can vote
$can_vote = FALSE;
foreach ($works as $work)
{
if ($approval_template_item_model->check_user_vote_rights(
$work->id, $this->session->get('user_id'),
$work->suggest_amount
))
{
$can_vote = TRUE;
break;
}
}

// create grid
$grid = new Grid('works/pending', __('List of all pending works'), array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 100,
'selector_min' => 100,
'selector_max_multiplier' => 20,
'base_url' => Config::get('lang').'/works/pending/'
. $limit_results.'/'.$order_by.'/'.$order_by_direction ,
'uri_segment' => 'page',
'total_items' => $total_works,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => $order_by,
'order_by_direction' => $order_by_direction,
'limit_results' => $limit_results,
));

if ($this->acl_check_new('Users_Controller','work'))
{
$grid->add_new_button('works/add', __('Add new work'));
}

$grid->order_field('id')
->label(__('Id'));
$grid->order_link_field('user_id')
->link('users/show', 'uname')
->label('Worker');
$grid->order_callback_field('description')
->label(__('Description'))
->callback('callback::limited_text');
$grid->order_field('date')
->label(__('Date'));
$grid->order_field('hours')
->label(__('Hours'));
$grid->order_field('km')
->label(__('Km'));
$grid->order_callback_field('suggest_amount')
->label(__('Suggest amount'))
->callback('callback::money');
$grid->order_callback_field('approval_state')
->label(__('State'))
->help(help::hint('approval_state'))
->callback('callback::vote_state_field');
$grid->order_callback_field('comments_count')
->label(__('comments'))
->callback('callback::comments_field');

// user can vote -> show columns for form items
if ($can_vote)
{
$grid->order_form_field('vote')
->label(__('Vote'))
->type('dropdown')
->options(array
(
NULL => '--------',
1 => __('Agree'),
-1 => __('Disagree'),
0 => __('Abstain')
))->callback('Works_Controller::vote_form_field');
$grid->order_form_field('comment')
->label(__('Comment'))
->type('textarea')
->callback('Works_Controller::comment_form_field');
}

// access control
if ($this->acl_check_view('Users_Controller','work'))
{
$grid->grouped_action_field()
->add_action('id')
->icon_action('show')
->url('works/show');
}

$grid->datasource($works);

// form is submited
if (isset ($_POST) && count ($_POST))
{
$vote_model = new Vote_Model();
$post_votes = $_POST['vote'];
$comments = $_POST['comment'];
$approval_template_model = new Approval_template_Model();
$approval_template_item_model = new Approval_template_item_Model();

foreach ($post_votes as $id => $post_vote)
{
$work = $work_model->where('id', $id)->find();

// finding aro group of logged user
$aro_group = $approval_template_item_model->get_aro_group_by_approval_template_id_and_user_id(
$work->approval_template_id,
$this->session->get('user_id'),
$work->suggest_amount
);

// user can vote
if ($aro_group && $aro_group->id)
{
// finding vote of user
$vote = $vote_model->where('user_id', $this->session->get('user_id'))
->where('fk_id', $id)
->where('type',Vote_Model::WORK)
->find();

// delete vote
if ($vote->id && $post_vote=="")
{
$vote->delete();
}
// edit vote
else if ($vote->id && $post_vote!="")
{
$vote->vote = $post_vote;
$vote->comment = $comments[$id];
$vote->time = date('Y-m-d H:i:s');
$vote->save();
}
// create vote
else if (!$vote->id && $post_vote!="")
{
$vote->clear();
$vote->user_id = $this->session->get('user_id');
$vote->fk_id = $id;
$vote->aro_group_id = $aro_group->id;
$vote->type = Vote_Model::WORK;
$vote->vote = $post_vote;
$vote->comment = $comments[$id];
$vote->time = date('Y-m-d H:i:s');
$vote->save();
}

// set up state of work
$work->state = $work->get_state(Vote_Model::WORK);

// work is approved
if ($work->state == 3)
{
// creates new transfer
$account_model = new Account_Model();
$operating_id = $account_model->where(
'account_attribute_id', Account_attribute_Model::OPERATING
)->find()->id;
$credit_id = $account_model->where('member_id', $work->user->member_id)
->where('account_attribute_id', Account_attribute_Model::CREDIT)
->find()->id;
$transfer_id = Transfer_Model::insert_transfer(
$operating_id,
$credit_id,
null,
null,
$this->session->get('user_id'),
null,
date('Y-m-d'),
date('Y-m-d H:i:s'),
__('Work approval'),
$work->suggest_amount
);

$work->transfer_id = $transfer_id;
}

$work->save();

// set up state of approval template
$approval_template = $approval_template_model->where('id',$work->approval_template_id)->find();
$approval_template->state = $approval_template_model->get_state($approval_template->id);
$approval_template->save();
ORM::factory ('member')
->reactivate_messages($work->user->member_id);
}
}
status::success('Votes has been successfully updated.');
url::redirect(url::base(TRUE).url::current(TRUE));
}

$view = new View('main');
$view->title = __('Pending works');
$view->breadcrumbs = __('Pending works');
$view->content = new View('works/show_all');
$view->content->grid = $grid;
$view->render(TRUE);
}

/**
* Function to show all approved works
*
* @author Michal Kliment
* @param number Number of records to show
* @param string Column in database to ordering records
* @param string Direction of ordering
* @param string Unused variable
* @param number Number of page
*/
public function approved(
$limit_results = 50, $order_by = 'date', $order_by_direction = 'DESC',
$page_word = null, $page = 1)
{
// acccess control
if (!$this->acl_check_view('Users_Controller','work'))
Controller::error(ACCESS);

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

$work_model = new Job_Model();
$total_works = $work_model->count_all_approved_works();

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

$works = $work_model->get_all_approved_works($sql_offset, (int)$limit_results, $order_by, $order_by_direction);

// create grid
$grid = new Grid('works/approved', __('List of all approved works'), array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 50,
'selector_min' => 50,
'selector_max_multiplier' => 20,
'base_url' => Config::get('lang').'/works/approved/'
. $limit_results.'/'.$order_by.'/'.$order_by_direction ,
'uri_segment' => 'page',
'total_items' => $total_works,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => $order_by,
'order_by_direction' => $order_by_direction,
'limit_results' => $limit_results,
));

$grid->order_field('id')
->label(__('Id'));
$grid->order_link_field('user_id')
->link('users/show', 'uname')
->label('Worker');
$grid->order_callback_field('description')
->label(__('Description'))
->callback('callback::limited_text');
$grid->order_field('date')
->label(__('Date'));
$grid->order_field('hours')
->label(__('Hours'));
$grid->order_field('km')
->label(__('Km'));
$grid->order_callback_field('rating')
->label(__('Rating'))
->callback('callback::money');
$grid->order_callback_field('approval_state')
->label(__('State'))
->help(help::hint('approval_state'))
->callback('callback::vote_state_field');
$grid->order_callback_field('comments_count')
->label(__('comments'))
->callback('callback::comments_field');

// access control
if ($this->acl_check_view('Users_Controller','work'))
{
$grid->grouped_action_field()
->add_action('id')
->icon_action('show')
->url('works/show');
}

$grid->datasource($works);

$view = new View('main');
$view->title = __('Approved works');
$view->breadcrumbs = __('Approved works');
$view->content = new View('works/show_all');
$view->content->grid = $grid;
$view->render(TRUE);
}

/**
* Function to show all rejected works
*
* @author Michal Kliment
* @param number $limit_results
* @param string $order_by
* @param string $order_by_direction
* @param string $page_word
* @param number $page
*/
public function rejected(
$limit_results = 100, $order_by = 'date', $order_by_direction = 'DESC',
$page_word = null, $page = 1)
{
// acccess control
if (!$this->acl_check_view('Users_Controller','work'))
Controller::error(ACCESS);

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

$work_model = new Job_Model();
$total_works = $work_model->count_all_rejected_works();

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

$works = $work_model->get_all_rejected_works(
$sql_offset, (int)$limit_results, $order_by, $order_by_direction
);

// create grid
$grid = new Grid(url_lang::base().'works/rejected', __('List of all rejected works'), array
(
'use_paginator' => true,
'use_selector' => true,
'current' => $limit_results,
'selector_increace' => 100,
'selector_min' => 100,
'selector_max_multiplier' => 20,
'base_url' => Config::get('lang').'/works/rejected/'
. $limit_results.'/'.$order_by.'/'.$order_by_direction ,
'uri_segment' => 'page',
'total_items' => $total_works,
'items_per_page' => $limit_results,
'style' => 'classic',
'order_by' => $order_by,
'order_by_direction' => $order_by_direction,
'limit_results' => $limit_results,
));

$grid->order_field('id')
->label(__('Id'));
$grid->order_link_field('user_id')
->link('users/show', 'uname')
->label('Worker');
$grid->order_callback_field('description')
->label(__('Description'))
->callback('callback::limited_text');
$grid->order_field('date')
->label(__('Date'));
$grid->order_field('hours')
->label(__('Hours'));
$grid->order_field('km')
->label(__('Km'));
$grid->order_callback_field('suggest_amount')
->label(__('Suggest amount'))
->callback('callback::money');
$grid->order_callback_field('approval_state')
->label(__('State'))
->help(help::hint('approval_state'))
->callback('callback::vote_state_field');
$grid->order_callback_field('comments_count')
->label(__('comments'))
->callback('callback::comments_field');

// access control
if ($this->acl_check_view('Users_Controller','work'))
{
$grid->grouped_action_field()
->add_action('id')
->icon_action('show')
->url('works/show');
}

$grid->datasource($works);

$view = new View('main');
$view->title = __('Rejected works');
$view->breadcrumbs = __('Rejected works');
$view->content = new View('works/show_all');
$view->content->grid = $grid;
$view->render(TRUE);
}

/**
* Function to show all works of user
*
* @author Michal Kliment
* @param number $user_id
*/
public function show_by_user ($user_id = NULL)
{
if (!$user_id || !is_numeric ($user_id))
Controller::warning (PARAMETER);

$user = new User_Model($user_id);

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

if (!$this->acl_check_view('Users_Controller', 'work', $user->member_id))
Controller::error(ACCESS);

$work_model = new Job_Model();

$pending_works = $work_model->get_all_pending_works_by_user($user->id);

$approval_template_item_model = new Approval_template_item_Model();

// test if user can vote
$can_vote = FALSE;
foreach ($pending_works as $pending_work)
{
if ($approval_template_item_model->check_user_vote_rights(
$pending_work->id,
Session::instance()->get('user_id'),
$pending_work->suggest_amount
))
{
$can_vote = TRUE;
break;
}
}

$total_pending = array();
$total_pending['hours'] = 0;
$total_pending['kms'] = 0;
$total_pending['suggest_amount'] = 0;

foreach ($pending_works as $pending_work)
{
$total_pending['hours'] += $pending_work->hours;
$total_pending['kms'] += $pending_work->km;
$total_pending['suggest_amount'] += $pending_work->suggest_amount;
}

// create grid
$pending_works_grid = new Grid(url_lang::base().'works/rejected', '', array
(
'use_paginator' => false,
'use_selector' => false,
'total_items' => count ($pending_works)
));

if ($this->acl_check_new('Users_Controller','work', $user->member_id))
{
$pending_works_grid->add_new_button(
url_lang::base().'works/add/'.$user->id,
__('Add new work')
);
}

$pending_works_grid->field('id')
->label(__('Id'));
$pending_works_grid->callback_field('description')
->label(__('Description'))
->callback('callback::limited_text');
$pending_works_grid->field('date')
->label(__('Date'));
$pending_works_grid->field('hours')
->label(__('Hours'));
$pending_works_grid->field('km')
->label(__('Km'));
$pending_works_grid->callback_field('suggest_amount')
->label(__('Suggest amount'))
->callback('callback::money');
$pending_works_grid->callback_field('approval_state')
->label(__('State'))
->help(help::hint('approval_state'))
->callback('callback::vote_state_field');
$pending_works_grid->callback_field('comments_count')
->label(__('comments'))
->callback('callback::comments_field');

// user can vote -> show columns for form items
if ($can_vote)
{
$pending_works_grid->form_field('vote')
->label(__('Vote'))
->type('dropdown')
->options(array
(
NULL => '--------',
1 => __('Agree'),
-1 => __('Disagree'),
0 => __('Abstain')
))->callback('Works_Controller::vote_form_field');
$pending_works_grid->form_field('comment')
->label(__('Comment'))
->type('textarea')
->callback('Works_Controller::comment_form_field');
}
$actions = $pending_works_grid->grouped_action_field();

// access control
if ($this->acl_check_view('Users_Controller','work',$user->member_id))
{
$actions->add_action('id')
->icon_action('show')
->url('users/show_work');
}

$pending_works_grid->datasource($pending_works);

$approved_works = $work_model->get_all_approved_works_by_user($user->id);

$total_approved = array();
$total_approved['hours'] = 0;
$total_approved['kms'] = 0;
$total_approved['rating'] = 0;
foreach ($approved_works as $approved_work)
{
$total_approved['hours'] += $approved_work->hours;
$total_approved['kms'] += $approved_work->km;
$total_approved['rating'] += $approved_work->rating;
}

// create grid
$approved_works_grid = new Grid('works/rejected', '', array
(
'use_paginator' => false,
'use_selector' => false,
'total_items' => count ($approved_works)
));

$approved_works_grid->field('id')
->label(__('Id'));
$approved_works_grid->callback_field('description')
->label(__('Description'))
->callback('callback::limited_text');
$approved_works_grid->field('date')
->label(__('Date'));
$approved_works_grid->field('hours')
->label(__('Hours'));
$approved_works_grid->field('km')
->label(__('Km'));
$approved_works_grid->callback_field('rating')
->label(__('Rating'))
->callback('callback::money');
$approved_works_grid->callback_field('approval_state')
->label(__('State'))
->help(help::hint('approval_state'))
->callback('callback::vote_state_field');
$approved_works_grid->callback_field('comments_count')
->label(__('comments'))
->callback('callback::comments_field');
$actions = $approved_works_grid->grouped_action_field();

// access control
if ($this->acl_check_view('Users_Controller', 'work', $user->member_id))
{
$actions->add_action('id')
->icon_action('show')
->url('users/show_work');
}

$approved_works_grid->datasource($approved_works);

$rejected_works = $work_model->get_all_rejected_works_by_user($user->id);

$total_rejected = array();
$total_rejected['hours'] = 0;
$total_rejected['kms'] = 0;
$total_rejected['suggest_amount'] = 0;

foreach ($rejected_works as $rejected_work)
{
$total_rejected['hours'] += $rejected_work->hours;
$total_rejected['kms'] += $rejected_work->km;
$total_rejected['suggest_amount'] += $rejected_work->suggest_amount;
}

// create grid
$rejected_works_grid = new Grid('works/rejected', '', array(
//'separator' => '',
'use_paginator' => false,
'use_selector' => false,
'total_items' => count ($rejected_works)
));

$rejected_works_grid->field('id')
->label(__('Id'));
$rejected_works_grid->callback_field('description')
->label(__('Description'))
->callback('callback::limited_text');
$rejected_works_grid->field('date')
->label(__('Date'));
$rejected_works_grid->field('hours')
->label(__('Hours'));
$rejected_works_grid->field('km')
->label(__('Km'));
$rejected_works_grid->callback_field('suggest_amount')
->label(__('Suggest amount'))
->callback('callback::money');
$rejected_works_grid->callback_field('approval_state')
->label(__('State'))->help(help::hint('approval_state'))
->callback('callback::vote_state_field');
$rejected_works_grid->callback_field('comments_count')
->label(__('comments'))
->callback('callback::comments_field');
$actions = $rejected_works_grid->grouped_action_field();

// access control
if ($this->acl_check_view('Users_Controller','work', $user->member_id))
{
$actions->add_action('id')
->icon_action('show')
->url('users/show_work');
}

$rejected_works_grid->datasource($rejected_works);

// form is submited
if (isset ($_POST) && count ($_POST))
{
$vote_model = new Vote_Model();
$post_votes = $_POST['vote'];
$comments = $_POST['comment'];
$approval_template_model = new Approval_template_Model();
$approval_template_item_model = new Approval_template_item_Model();

foreach ($post_votes as $id => $post_vote)
{
$work = $work_model->where('id', $id)->find();
// finding aro group of logged user
$aro_group = $approval_template_item_model->get_aro_group_by_approval_template_id_and_user_id(
$work->approval_template_id,
$this->session->get('user_id'),
$work->suggest_amount
);

// user can vote
if ($aro_group && $aro_group->id)
{
// finding vote of user
$vote = $vote_model->where('user_id', $this->session->get('user_id'))
->where('fk_id', $id)
->where('type', Vote_Model::WORK)
->find();

// delete vote
if ($vote->id && $post_vote=="")
{
$vote->delete();
}
// edit vote
else if ($vote->id && $post_vote!="")
{
$vote->vote = $post_vote;
$vote->comment = $comments[$id];
$vote->time = date('Y-m-d H:i:s');
$vote->save();
}
// create vote
else if (!$vote->id && $post_vote!="")
{
$vote->clear();
$vote->user_id = $this->session->get('user_id');
$vote->fk_id = $id;
$vote->aro_group_id = $aro_group->id;
$vote->type = Vote_Model::WORK;
$vote->vote = $post_vote;
$vote->comment = $comments[$id];
$vote->time = date('Y-m-d H:i:s');
$vote->save();
}

// set up state of work
$work->state = $work->get_state(Vote_Model::WORK);

// work is approved
if ($work->state == 3)
{
// creates new transfer
$account_model = new Account_Model();

$operating_id = $account_model->where(
'account_attribute_id', Account_attribute_Model::OPERATING
)->find()->id;
$credit_id = $account_model->where('member_id', $work->user->member_id)
->where('account_attribute_id', Account_attribute_Model::CREDIT)
->find()->id;

$transfer_id = Transfer_Model::insert_transfer(
$operating_id,
$credit_id,
null,
null,
$this->session->get('user_id'),
null,
date('Y-m-d'),
date('Y-m-d H:i:s'),
__('Work approval'),
$work->suggest_amount
);

$work->transfer_id = $transfer_id;
}

$work->save();

// set up state of approval template
$approval_template = $approval_template_model->where(
'id',$work->approval_template_id
)->find();
$approval_template->state = $approval_template_model->get_state(
$approval_template->id
);
$approval_template->save();
ORM::factory ('member')
->reactivate_messages($work->user->member_id);

}

}
status::success('Votes has been successfully updated.');
url::redirect(url::base(TRUE).url::current(TRUE));
}

// breadcrumbs navigation
$breadcrumbs = breadcrumbs::add()
->link('members/show_all', 'Members',
$this->acl_check_view('Members_Controller', 'members'))
->disable_translation()
->link('members/show/'.$user->member->id,
'ID ' . $user->member->id . ' - ' . $user->member->name,
$this->acl_check_view(
'Members_Controller', 'members',
$user->member->id
)
)->enable_translation()
->link('users/show_by_member/' . $user->member_id,
'Users',
$this->acl_check_view(
'Users_Controller', 'users',
$user->member_id
)
)->disable_translation()
->link('users/show/'.$user->id,
$user->name . ' ' . $user->surname .
' (' . $user->login . ')',
$this->acl_check_view(
'Users_Controller','users',
$user->member_id
)
)->enable_translation()
->text('Works');

$view = new View('main');
$view->title = __('List of works of user').' '.$user->name.' '.$user->surname;
$view->breadcrumbs = $breadcrumbs->html();
$view->content = new View('works/show_by_user');
$view->content->headline = __('List of works of user').' '.$user->name.' '.$user->surname;
$view->content->user = $user;
$view->content->pending_works_grid = $pending_works_grid;
$view->content->approved_works_grid = $approved_works_grid;
$view->content->rejected_works_grid = $rejected_works_grid;
$view->content->total_pending = $total_pending;
$view->content->total_approved = $total_approved;
$view->content->total_rejected = $total_rejected;
$view->render(TRUE);
}

/**
* Function to show work (by private functions show_opened and show_closed)
*
* @author Michal Kliment
* @param number $work_id
*/
public function show($work_id = NULL)
{
// bad parameter
if (!$work_id || !is_numeric($work_id))
Controller::warning(PARAMETER);

$work = new Job_Model($work_id);

// record doesn't exist
if (!$work->id)
Controller::error(RECORD);

// access control
if (!$this->acl_check_view('Users_Controller', 'work', $work->user->member_id))
Controller::error(ACCESS);

// breadcrumbs navigation
$this->breadcrumbs = breadcrumbs::add();

if ($work->job_report_id)
{
switch ($work->state)
{
case 0:
case 1:
$this->breadcrumbs->link(
'work_reports/pending', 'Pending work reports',
$this->acl_check_view('Users_Controller', 'work')
);
break;
case 2:
$this->breadcrumbs->link(
'work_reports/rejected', 'Rejected work reports',
$this->acl_check_view('Users_Controller', 'work')
);
break;
case 3:
$this->breadcrumbs->link(
'work_reports/approved', 'Approved work reports',
$this->acl_check_view('Users_Controller', 'work')
);
break;
}
$this->breadcrumbs->link(
'work_reports/show/' . $work->job_report_id,
text::limit_chars($work->job_report->description, 40)
);
}
else
{
if (url::slice(url_lang::uri(Path::instance()->previous()),1,1) == 'show_by_user')
{
$this->breadcrumbs->link('members/show_all', 'Members',
$this->acl_check_view('Members_Controller', 'members'))
->disable_translation()
->link('members/show/'.$work->user->member->id,
'ID ' . $work->user->member->id . ' - ' .
$work->user->member->name,
$this->acl_check_view(
'Members_Controller', 'members',
$work->user->member->id
)
)->enable_translation()
->link('users/show_by_member/' . $work->user->member_id,
'Users',
$this->acl_check_view(
'Users_Controller', 'users',
$work->user->member_id
)
)->disable_translation()
->link('users/show/'.$work->user->id,
$work->user->name . ' ' . $work->user->surname .
' (' . $work->user->login . ')',
$this->acl_check_view(
'Users_Controller','users',
$work->user->member_id
)
)->enable_translation()
->link('works/show_by_user/'.$work->user->id, 'Works',
$this->acl_check_view(
'Users_Controller', 'work',
$work->user->member_id
)
);
}
else
{
switch ($work->state)
{
case 0:
case 1:
$this->breadcrumbs->link('works/pending', 'Pending works',
$this->acl_check_view('Users_Controller', 'work'));
break;
case 2:
$this->breadcrumbs->link('works/rejected', 'Rejected works',
$this->acl_check_view('Users_Controller', 'work'));
break;
case 3:
$this->breadcrumbs->link('works/approved', 'Approved works',
$this->acl_check_view('Users_Controller', 'work'));
break;
}
}
}

$this->breadcrumbs->disable_translation()
->text(__('ID').' '.$work->id);

if ($work->state <= 1)
// work is opened
self::show_opened ($work);
else
// work is closed
self::show_closed ($work);
}

/**
* Private function to show opened work
*
* @author Michal Kliment
* @param Job_Model $work
*/
private function show_opened($work = NULL)
{
// bad parameter
if (!$work)
Controller::warning(PARAMETER);

$approval_template_item_model = new Approval_template_item_Model();
$suggest_amount = $work->suggest_amount;
if ($work->job_report_id)
{
$suggest_amount = $work->job_report->get_suggest_amount();
}
$aro_groups = $approval_template_item_model->get_aro_groups_by_approval_template_id(
$work->approval_template_id, $suggest_amount
);

$user_aro_group = $approval_template_item_model->get_aro_group_by_approval_template_id_and_user_id(
$work->approval_template_id, $this->session->get('user_id'),
$suggest_amount
);

$i = 0;
$vote_groups = array();
$vote_grids = array();
$total_votes = array();
$sums = array();
$agrees = array();
$percents = array();
$user_vote = NULL;

foreach ($aro_groups as $aro_group)
{
$vote_groups[$i] = $aro_group->name;
$vote_model = new Vote_Model();
$votes = $vote_model->select(
'votes.id', 'votes.user_id',
'CONCAT(users.name,\' \',users.surname) as uname',
'vote', 'votes.comment', 'time'
)->join('users','users.id', 'votes.user_id')
->where('votes.type', Vote_Model::WORK)
->where('fk_id', $work->id)
->where('aro_group_id', $aro_group->id)
->find_all();

$total_votes[$i] = count($votes);
$sums[$i] = 0;
$agrees[$i] = 0;
$user_vote = NULL;

foreach ($votes as $vote)
{
if ($this->session->get('user_id')==$vote->user_id)
$user_vote = $vote->vote;

$sums[$i] += $vote->vote;

if ($vote->vote == 0)
{
$total_votes[$i]--;
continue;
}

if ($vote->vote == 1)
{
$agrees[$i]++;
continue;
}
}

// create grid
$vote_grids[$i] = new Grid('works/show/'.$work->id, '', array
(
'use_paginator' => false,
'use_selector' => false,
'selector_increace' => 200,
'selector_min' => 200,
'selector_max_multiplier' => 10,
'uri_segment' => 'page',
'style' => 'classic',
));
$vote_rights = $approval_template_item_model->check_user_vote_rights(
$work->id, $this->user_id
);

if ($user_aro_group &&
$user_aro_group->id == $aro_group->id &&
!$work->job_report_id &&
!$user_vote &&
$vote_rights)
{
$vote_grids[$i]->add_new_button(
url_lang::base().'votes/add_to_work/'.$work->id,
__('Add vote')
);
}
$vote_grids[$i]->callback_field('vote')
->label(__('Vote'))
->callback('callback::vote');
$vote_grids[$i]->link_field('user_id')
->link('users/show', 'uname')
->label('Worker');
$vote_grids[$i]->callback_field('comment');
$vote_grids[$i]->callback_field('time')
->label(__('Time'))
->callback('callback::datetime');
$actions = $vote_grids[$i]->grouped_action_field();
$actions->add_conditional_action()
->icon_action('edit')
->url('votes/edit')
->condition('is_own');
$actions->add_conditional_action()
->icon_action('delete')
->url('votes/delete')
->condition('is_own')
->class('delete_link');
$vote_grids[$i]->datasource($votes);

$percents[$i] = ($total_votes[$i]) ? round($agrees[$i] / $total_votes[$i] * 100, 1) : 0;
$i++;
}

$links = array();

$state_text = __('Pending');

if (!$work->job_report_id)
{
if ($this->acl_check_edit('Users_Controller','work',$work->user->member_id) &&
$work->state == 0)
{
$links[] = html::anchor('works/edit/'.$work->id,__('Edit'));
}
if ($this->acl_check_delete('Users_Controller','work',$work->user->member_id) &&
$work->state == 0)
{
$links[] = html::anchor(
'works/delete/'.$work->id,__('Delete'),
array('class' => 'delete_link')
);
}
$links = implode(" | ", $links);
}

if ($this->acl_check_view('Comments_Controller', 'works', $work->user->member_id))
{
$comment_model = new Comment_Model();
$comments = $comment_model->get_all_comments_by_comments_thread($work->comments_thread_id);

$comments_grid = new Grid('members', null,array
(
'separator' => '<br /><br />',
'use_paginator' => false,
'use_selector' => false,
));

$url = ($work->comments_thread_id) ?
url_lang::base().'comments/add/'.$work->comments_thread_id :
url_lang::base().'comments_threads/add/job/'.$work->id;

$comments_grid->add_new_button($url, __('Add comment to work'));

$comments_grid->field('text')
->label(__('Text'));

$comments_grid->link_field('user_id')
->link('users/show', 'user_name')
->label('User');

$comments_grid->field('datetime')
->label(__('Time'));
$actions = $comments_grid->grouped_action_field();
$actions->add_conditional_action()
->icon_action('edit')
->url('comments/edit')
->condition('is_own');
$actions->add_conditional_action()
->icon_action('delete')
->url('comments/delete')
->condition('is_own')
->class('delete_link');

$comments_grid->datasource($comments);
}

$view = new View('main');
$view->title = __('Show work');
$view->breadcrumbs = $this->breadcrumbs->html();
$view->content = new View('works/show');
$view->content->work = $work;
$view->content->links = $links;
$view->content->vote_groups = $vote_groups;
$view->content->vote_grids = $vote_grids;
$view->content->total_votes = $total_votes;
$view->content->agrees = $agrees;
$view->content->sums = $sums;
$view->content->state_text = $state_text;
$view->content->percents = $percents;
if ($this->acl_check_view('Comments_Controller', 'works', $work->user->member_id))
$view->content->comments_grid = $comments_grid;
$view->render(TRUE);
}

/**
* Private function to show closed work
*
* @author Michal Kliment
* @param Job_Model $work
*/
private function show_closed($work = NULL)
{
// bad parameter
if (!$work)
Controller::warning(PARAMETER);

$transfer = new Transfer_Model($work->transfer_id);

$vote_model = new Vote_Model();

$aro_group_model = new Aro_group_Model();
$aro_groups = $aro_group_model->get_aro_groups_by_fk_id($work->id, Vote_Model::WORK);

$i = 0;
$vote_groups = array();
$vote_grids = array();
$total_votes = array();
$sums = array();
$agrees = array();
$percents = array();
//$user_vote = NULL;

foreach ($aro_groups as $aro_group)
{
$vote_groups[$i] = $aro_group->name;

$votes = $vote_model->select(
'votes.id', 'votes.user_id',
'CONCAT(users.name,\' \',users.surname) as uname',
'vote', 'votes.comment', 'time'
)->join('users','users.id', 'votes.user_id')
->where('votes.type', Vote_Model::WORK)
->where('fk_id', $work->id)
->where('aro_group_id', $aro_group->id)
->find_all();

$total_votes[$i] = count($votes);
$sums[$i] = 0;
$agrees[$i] = 0;

foreach ($votes as $vote)
{
$sums[$i] += $vote->vote;

if ($vote->vote == 0)
{
$total_votes[$i]--;
continue;
}

if ($vote->vote == 1)
{
$agrees[$i]++;
continue;
}
}

// create grid
$vote_grids[$i] = new Grid(url_lang::base().'works/show/'.$work->id, '', array
(
'use_paginator' => false,
'use_selector' => false,
'selector_increace' => 200,
'selector_min' => 200,
'selector_max_multiplier' => 10,
'uri_segment' => 'page',
'style' => 'classic'
));

$vote_grids[$i]->callback_field('vote')
->label(__('Vote'))
->callback('callback::vote');
$vote_grids[$i]->link_field('user_id')
->link('users/show', 'uname')
->label('Worker');
$vote_grids[$i]->callback_field('comment');
$vote_grids[$i]->callback_field('time')
->label(__('Time'))
->callback('callback::datetime');

$vote_grids[$i]->datasource($votes);

$percents[$i] = ($total_votes[$i]) ? round($agrees[$i] / $total_votes[$i] * 100, 1) : 0;
$i++;
}

$links = array();

switch ($work->state)
{
case 2:

foreach ($sums as $i => $sum)
{
if ($sum <= 0)
{
$state_text = '<span style="color: red">'.__('Rejected').
' ('.__(''.$vote_groups[$i]).')</span>';
break;
}
}

break;
case 3:
$state_text = '<span style="color: green">'.__('Approved').'</span>';
break;
}

if ($work->state == 2 &&
$this->acl_check_new('Users_Controller', 'work'))
{
$links[] = html::anchor(
'works/add/'. $work->user_id .'/' . $work->id,
__('Create new work from rejected')
);
}
$links = implode(" | ", $links);

if ($this->acl_check_view(
'Comments_Controller', 'works', $work->user->member_id
))
{
$comment_model = new Comment_Model();
$comments = $comment_model->get_all_comments_by_comments_thread(
$work->comments_thread_id
);

$comments_grid = new Grid('members', null, array
(
'separator' => '<br /><br />',
'use_paginator' => false,
'use_selector' => false,
));

$url = ($work->comments_thread_id) ?
'comments/add/'.$work->comments_thread_id :
'comments_threads/add/job/'.$work->id;

$comments_grid->add_new_button($url, __('Add comment to work'));

$comments_grid->field('text')
->label(__('Text'));

$comments_grid->link_field('user_id')
->link('users/show', 'user_name')
->label('User');

$comments_grid->field('datetime')
->label(__('Time'));
$actions = $comments_grid->grouped_action_field();
$actions->add_conditional_action()
->icon_action('edit')
->url('comments/edit')
->condition('is_own');
$actions->add_conditional_action()
->icon_action('delete')
->url('comments/delete')
->condition('is_own')
->class('delete_link');

$comments_grid->datasource($comments);
}
$view = new View('main');
$view->title = __('Show work');
$view->breadcrumbs = $this->breadcrumbs->html();
$view->content = new View('works/show');
$view->content->work = $work;
$view->content->transfer = $transfer;
$view->content->links = $links;
$view->content->vote_groups = $vote_groups;
$view->content->vote_grids = $vote_grids;
$view->content->total_votes = $total_votes;
$view->content->agrees = $agrees;
$view->content->sums = $sums;
$view->content->state_text = $state_text;
$view->content->percents = $percents;
if ($this->acl_check_view('Comments_Controller', 'works', $work->user->member_id))
$view->content->comments_grid = $comments_grid;
$view->render(TRUE);
}


/**
* Adds new work to some user
*
* @author Michal Kliment
* @param integer $user_id
* @param integer $previous_rejected_work_id
*/
public function add($user_id = null, $previous_rejected_work_id = null)
{
$breadcrumbs = breadcrumbs::add();

if (isset($user_id))
{
$user = new User_Model($user_id);
if (!$user->id)
Controller::error(RECORD);
// access control
if (!$this->acl_check_new('Users_Controller', 'work', $user->member_id))
Controller::error(ACCESS);
$selected = $user->id;
$arr_users[$user->id] = $user->get_full_name() . ' - ' . $user->login;
// breadcrumbs navigation
$breadcrumbs->link('members/show_all', 'Members',
$this->acl_check_view('Members_Controller', 'members'))
->disable_translation()
->link('members/show/'.$user->member->id,
'ID ' . $user->member->id . ' - ' . $user->member->name,
$this->acl_check_view(
'Members_Controller', 'members',
$user->member->id
)
)->enable_translation()
->link('users/show_by_member/' . $user->member_id,
'Users',
$this->acl_check_view(
'Users_Controller', 'users',
$user->member_id
)
)->disable_translation()
->link('users/show/'.$user->id,
$user->name . ' ' . $user->surname .
' (' . $user->login . ')',
$this->acl_check_view(
'Users_Controller','users',
$user->member_id
)
)->enable_translation()
->link('works/show_by_user/'.$user->id, 'Works',
$this->acl_check_view(
'Users_Controller', 'work',
$user->member_id
)
);
}
else
{
// access control
if (!$this->acl_check_new('Users_Controller', 'work'))
Controller::error(ACCESS);
$selected = NULL;
$concat = "CONCAT(
COALESCE(surname, ''), ' ',
COALESCE(name, ''), ' - ',
COALESCE(login, '')
)";
$arr_users = array
(
NULL => '----- '.__('select user').' -----'
) + ORM::factory('user')->select_list('id', $concat);
// breadcrumbs navigation
$breadcrumbs->link('works/pending', 'Pending works',
$this->acl_check_view('Users_Controller', 'work'));
}

// breadcrumbs navigation
$breadcrumbs->text('Add');

if ($this->acl_check_view('approval', 'templates'))
{
$arr_approval_templates = array
(
NULL => '----- '.__('select approval template').' -----'
) + ORM::factory('approval_template')->select_list();
}

// form
$this->_form = $form = new Forge('works/add' . (isset($user_id) ? '/' . $user_id : ''));

$form->group('Basic information');
$form->dropdown('user_id')
->label('User')
->options($arr_users)
->rules('required')
->selected($selected)
->style('width:600px');
$form->textarea('description')
->rules('required|length[0,65535]')
->style('width:600px');
$form->date('date')
->years(date('Y') - 10, date('Y'))
->rules('required');
$form->input('hours')
->rules('required|length[0,250]|valid_numeric')
->class('increase_decrease_buttons');
$form->input('km')
->rules('length[0,250]|valid_numeric')
->class('increase_decrease_buttons');
$form->input('payment_per_hour')
->label(__('Payment %s per hour', __(Settings::get('currency'))))
->rules('required|valid_numeric')
->class('increase_decrease_buttons');
$form->input('price_per_kilometre')
->rules('valid_numeric')
->callback(array($this, 'valid_price_per_km'))
->class('increase_decrease_buttons');

if ($this->acl_check_view('approval', 'templates'))
{
$form->group('Advanced information');
$form->dropdown('approval_template_id')
->label('Approval template')
->rules('required')
->options($arr_approval_templates)
->selected($this->settings->get('default_work_approval_template'))
->style('width:200px');
}
$form->hidden('previous_rejected_work_id');
// fill in clone values?
if (!empty($previous_rejected_work_id))
{
$clone_work = new Job_Model($previous_rejected_work_id);
if ($clone_work->id)
{
$form->description->value($clone_work->description);
$form->date->value(strtotime($clone_work->date));
$form->hours->value($clone_work->hours);
if (!empty($clone_work->km))
{
$form->km->value($clone_work->km);
}
if ($clone_work->job_report_id)
{
$form->payment_per_hour->value($clone_work->job_report->price_per_hour);
$form->price_per_kilometre->value($clone_work->job_report->price_per_km);
}
$form->previous_rejected_work_id->value($clone_work->id);
}
unset($clone_work);
}

$form->submit('Save');

if (isset($user_id))
{
$link_back = 'works/show_by_user/' . $user_id;
}
else
{
$link_back = 'works/pending';
}

if ($form->validate())
{
$form_data = $form->as_array();
// calculate suggested amount
$suggest_amount =
$form_data['hours'] * $form_data['payment_per_hour'] +
$form_data['km'] * $form_data['price_per_kilometre'];

// creates new work
$work = new Job_Model();
$work->user_id = $form_data['user_id'];
$work->added_by_id = $this->session->get('user_id');
$work->description = $form_data['description'];
$work->suggest_amount = $suggest_amount;
$work->date = date('Y-m-d', $form_data['date']);
$work->create_date = date('Y-m-d H:i:s');
$work->hours = $form_data['hours'];
$work->km = $form_data['km'];
if (!empty($_POST['previous_rejected_work_id']))
$work->previous_rejected_work_id = $_POST['previous_rejected_work_id'];

if (isset($form_data['approval_template_id']) && $form_data['approval_template_id'])
$work->approval_template_id = $form_data['approval_template_id'];
else
$work->approval_template_id = $this->settings->get('default_work_approval_template');

$saved = $work->save();

// set up state of approval template
$approval_template = new Approval_template_Model($work->approval_template_id);
$approval_template->state = $approval_template->get_state($approval_template->id);
$saved = $saved && $approval_template->save();

// success
if ($saved)
{
$receivers = array();

$mail_message = new Mail_message_Model();
$user = new User_Model();

// work has been added by another user, sends message to user
if ($work->user_id != $this->session->get('user_id'))
{
$user->clear();
$user->where('id', $this->session->get('user_id'))->find();

$receivers[] = $work->user_id;

$mail_message->clear();
$mail_message->from_id = 1;
$mail_message->to_id = $form_data['user_id'];
$mail_message->subject = mail_message::format('your_work_add_subject');
$mail_message->body = mail_message::format('your_work_add', array
(
$user->name . ' ' . $user->surname,
url_lang::base() . 'works/show/' . $work->id
));
$mail_message->time = date('Y-m-d H:i:s');
$mail_message->from_deleted = 1;
$mail_message->save();
}

// finds all aro ids assigned to vote about this work
$approval_template_item_model = new Approval_template_item_Model();
$aro_ids = $approval_template_item_model->get_aro_ids_by_approval_template_id(
$work->approval_template_id, $work->suggest_amount
);

// count of aro ids is not null
if (count($aro_ids))
{
// finds user to whom belongs work
$user->clear();
$user->where('id', $work->user_id)->find();

$subject = mail_message::format('work_add_subject');
$body = mail_message::format('work_add', array
(
$user->name . ' ' . $user->surname,
url_lang::base() . 'works/show/' . $work->id
));

foreach ($aro_ids as $aro)
{
// is not necessary send message to user who added work
if ($aro->id != $this->session->get('user_id'))
{
if (!in_array($aro->id, $receivers))
{
$receivers[] = $aro->id;

// sends message
$mail_message->clear();
$mail_message->from_id = 1;
$mail_message->to_id = $aro->id;
$mail_message->subject = $subject;
$mail_message->body = $body;
$mail_message->time = date('Y-m-d H:i:s');
$mail_message->from_deleted = 1;
$mail_message->save();
}
}
}
}

status::success('Work has been successfully added');
url::redirect('works/show/' . $work->id);
}
url::redirect($link_back);
}

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

/**
* Edits work
*
* @author Michal Kliment
* @param $work_id id of work to edit
*/
public function edit($work_id = NULL)
{
// bad parameter
if (!$work_id || !is_numeric($work_id))
Controller::warning(PARAMETER);

$work = new Job_Model($work_id);

// record doesn't exist
if (!$work->id)
Controller::error(RECORD);

// access control
if (!$this->acl_check_edit('Users_Controller', 'work', $work->user->member_id))
Controller::error(ACCESS);

// work is locked
if ($work->state > 0)
{
status::warning('It is not possible edit locked work.');
url::redirect('works/show/' . $work->id);
}

$user_model = new User_Model();

// check if user has access rights to edit work of all users
if ($this->acl_check_edit('Users_Controller', 'work'))
{
// gets all user's names
$users = $user_model->get_his_users_names($work->user_id);
}
else
{
$users = $user_model->get_his_username($work->user_id);
}

// transforms array of objects to classic array
$arr_users = arr::from_objects($users, 'username');

if ($this->acl_check_view('approval', 'templates'))
{
$arr_approval_templates = array
(
NULL => '----- '.__('select approval template').' -----'
) + ORM::factory('approval_template')->select_list();
}

// creates form
$this->form = new Forge('works/edit/' . $work_id);

$this->form->group('Basic information');
$this->form->dropdown('user_id')
->label('User')
->options($arr_users)
->rules('required')
->selected($work->user_id)
->style('width:600px');
$this->form->textarea('description')
->rules('required|length[0,65535]')
->value($work->description)
->style('width:600px');
$this->form->date('date')
->label('Date')
->years(date('Y') - 10, date('Y'))
->rules('required')
->value(strtotime($work->date));
$this->form->input('hours')
->rules('required|length[0,250]|valid_numeric')
->value(num::decimal_point($work->hours))
->class('increase_decrease_buttons');
$this->form->input('km')
->rules('length[0,250]|valid_numeric')
->value(num::decimal_point($work->km))
->class('increase_decrease_buttons');
$this->form->input('suggest_amount')
->rules('required|valid_numeric')
->value(num::decimal_point($work->suggest_amount));

if ($this->acl_check_view('approval', 'templates'))
{
$this->form->group('Advanced information');
$this->form->dropdown('approval_template_id')
->label('Approval template')
->rules('required')
->options($arr_approval_templates)
->selected($work->approval_template_id);
}

$this->form->submit('Save');

// form is validate
if ($this->form->validate())
{
$form_data = $this->form->as_array();

// creates new work
$work = new Job_Model($work_id);
$work->user_id = $form_data['user_id'];
$work->added_by_id = $this->session->get('user_id');
$work->description = $form_data['description'];
$work->date = date('Y-m-d', $form_data['date']);
$work->hours = $form_data['hours'];
$work->km = $form_data['km'];
$work->suggest_amount = $form_data['suggest_amount'];

$old_approval_template_id = $work->approval_template_id;

if (isset($form_data['approval_template_id']) && $form_data['approval_template_id'])
$work->approval_template_id = $form_data['approval_template_id'];
else
$work->approval_template_id = $this->settings->get('default_work_approval_template');

$saved = $work->save();

// set up state of approval template
$approval_template = new Approval_template_Model($work->approval_template_id);
$approval_template->state = $approval_template->get_state($approval_template->id);
$saved = $saved && $approval_template->save();

if ($work->approval_template_id != $old_approval_template_id)
{
// set up state of old approval template
$approval_template = new Approval_template_Model($old_approval_template_id);
$approval_template->state = $approval_template->get_state($approval_template->id);
$saved = $saved && $approval_template->save();
}

// success
if ($saved)
{
$receivers = array();

$mail_message = new Mail_message_Model();
$user = new User_Model();

// work has been updated by another user, sends message to user
if ($work->user_id != $this->session->get('user_id'))
{
$user->clear();
$user->where('id', $this->session->get('user_id'))->find();

$receivers[] = $work->user_id;

$mail_message->clear();
$mail_message->from_id = 1;
$mail_message->to_id = $form_data['user_id'];
$mail_message->subject = mail_message::format('your_work_update_subject');
$mail_message->body = mail_message::format('your_work_update', array
(
$user->name . ' ' . $user->surname,
url_lang::base() . 'works/show/' . $work->id
));
$mail_message->time = date('Y-m-d H:i:s');
$mail_message->from_deleted = 1;
$mail_message->save();
}

// finds all aro ids assigned to vote about this work
$approval_template_item_model = new Approval_template_item_Model();
$aro_ids = $approval_template_item_model->get_aro_ids_by_approval_template_id(
$work->approval_template_id, $work->suggest_amount
);

// count of aro ids is not null
if (count($aro_ids))
{
// finds user to whom belongs work
$user->clear();
$user->where('id', $work->user_id)->find();

$subject = mail_message::format('work_update_subject');
$body = mail_message::format('work_update', array
(
$user->name . ' ' . $user->surname,
url_lang::base() . 'works/show/' . $work->id
));

foreach ($aro_ids as $aro)
{
// is not necessary send message to user who added work
if ($aro->id != $this->session->get('user_id'))
{
if (!in_array($aro->id, $receivers))
{
$receivers[] = $aro->id;

// sends message
$mail_message->clear();
$mail_message->from_id = 1;
$mail_message->to_id = $aro->id;
$mail_message->subject = $subject;
$mail_message->body = $body;
$mail_message->time = date('Y-m-d H:i:s');
$mail_message->from_deleted = 1;
$mail_message->save();
}
}
}
}

status::success('Work has been successfully updated');
}

url::redirect('works/show/' . $work->id);
}

$link_back = html::anchor('works/show/' . $work->id, __('Back to the work'));

$view = new View('main');
$view->title = __('Edit the work');
$view->content = new View('form');
$view->content->headline = __('Edit the work');
$view->content->link_back = $link_back;
$view->content->form = $this->form->html();
$view->render(TRUE);
}

/**
* Function to delete work
*
* @author Michal Kliment
* @param number $work_id
*/
public function delete($work_id = NULL)
{
// bad parameter
if (!$work_id || !is_numeric($work_id))
Controller::warning(PARAMETER);

$work = new Job_Model($work_id);

// record doesn't exist
if (!$work->id)
Controller::error(RECORD);

// access control
if (!$this->acl_check_delete('Users_Controller', 'work', $work->user->member_id))
Controller::error(ACCESS);

// work is locked
if ($work->state > 0)
{
status::success('It is not possible delete locked work.');
url::redirect('works/show/'.$work->id);
}

$approval_template_id = $work->approval_template_id;
$work_user_id= $work->user_id;
$work_description = $work->description;
$work_suggest_amount = $work->suggest_amount;
$saved = $work->delete();

// set up state of approval template
$approval_template = new Approval_template_Model($approval_template_id);
$approval_template->state = $approval_template->get_state($approval_template->id);
$saved = $saved && $approval_template->save();

if ($saved)
{
$receivers = array();

$mail_message = new Mail_message_Model();
$user = new User_Model();

// work has been updated by another user, sends message to user
if ($work_user_id != $this->session->get('user_id'))
{
$user->clear();
$user->where('id',$this->session->get('user_id'))->find();

$receivers[] = $work_user_id;

$mail_message = new Mail_message_Model();
$mail_message->from_id = 1;
$mail_message->to_id = $work_user_id;
$mail_message->subject = mail_message::format('your_work_delete_subject');
$mail_message->body = mail_message::format('your_work_delete', array
(
$work_description, $user->name.' '.$user->surname
));
$mail_message->time = date('Y-m-d H:i:s');
$mail_message->from_deleted = 1;
$mail_message->save();
}

// finds all aro ids assigned to vote about this work
$approval_template_item_model = new Approval_template_item_Model();
$aro_ids = $approval_template_item_model->get_aro_ids_by_approval_template_id(
$approval_template_id, $work_suggest_amount
);

// count of aro ids is not null
if (count($aro_ids))
{
// finds user to whom belongs work
$user->clear();
$user->where('id', $work_user_id)->find();

$subject = mail_message::format('work_delete_subject');
$body = mail_message::format('work_delete', array
(
$user->name.' '.$user->surname, $work_description
));

foreach ($aro_ids as $aro)
{
// is not necessary send message to user who added work
if ($aro->id != $this->session->get('user_id'))
{
if (!in_array($aro->id, $receivers))
{
$receivers[] = $aro->id;

// sends message
$mail_message->clear();
$mail_message->from_id = 1;
$mail_message->to_id = $aro->id;
$mail_message->subject = $subject;
$mail_message->body = $body;
$mail_message->time = date('Y-m-d H:i:s');
$mail_message->from_deleted = 1;
$mail_message->save();
}
}
}
}

status::success('Work has been successfully deleted');
}
url::redirect('works/show_by_user/'.$work_user_id);
}

/** CALLBACK FUNCTIONS **/

/**
* Callback function to show vote dropwdown in grid
*
* @author Michal Kliment
* @param object $item
* @param string $name
* @param object $input
*/
protected static function vote_form_field ($item, $name, $input)
{
static $approval_template_item = NULL;
if (empty($approval_template_item))
{
$approval_template_item = new Approval_template_item_Model();
}
$uid = Session::instance()->get('user_id');
if ($item->approval_template_id &&
$approval_template_item->check_user_vote_rights($item->id, $uid))
{
if ($uid == $item->user_id)
{
$input->options(array
(
NULL => '--------',
0 => __('Abstain')
));
}
echo $input->html();
}
}

/**
* Callback function to show comment textarea in grid
*
* @author Michal Kliment
* @param object $item
* @param string $name
* @param object $input
*/
protected static function comment_form_field ($item, $name, $input)
{
static $approval_template_item = NULL;
if (empty($approval_template_item))
{
$approval_template_item = new Approval_template_item_Model();
}
$uid = Session::instance()->get('user_id');
if ($item->approval_template_id &&
$approval_template_item->check_user_vote_rights($item->id, $uid))
{
echo $input->html();
}
}
/**
* Check validity of price per km field
*
* @param object $input
*/
public function valid_price_per_km($input = NULL)
{
// validators cannot be accessed
if (empty($input) || !is_object($input))
{
self::error(PAGE);
}
if (intval($this->_form->km->value) && !intval($input->value))
{
$input->add_error('required', __('Fill in'));
}
}
}
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