<?php
/**
* Administrator tool for managing role permissions
*
* @author Patrick Tinsley
*/
class Administer_permissions extends MY_Controller
{
    function Administer_permissions()
    {
        parent::MY_Controller();

        // Load Libraries
        $this->load->library('Form_validation');

        // Load Helpers
        $this->load->helper('form');

        // Load modules
        $this->load->model('dx_auth/permissions', 'permissions');
        $this->load->model('dx_auth/roles', 'roles');
    }

    function index()
    {
        //if they don't have permission, kick them back
        if ( ! $this->dx_auth->get_permission_value('administer_permissions'))
        {
            $data['refresh']['timer'] = 3;
            $data['refresh']['url'] = '';
            $data['page_content'] = 'You do not have permission to edit permissions.';
            $this->load->view('plain_view', $data);
            return;
        }

        // Default role_id that will be showed
        $role_id = $this->input->post('role') ? $this->input->post('role') : 1;

        /* Get post input and apply it to database */

        // If button save pressed
        if ($this->input->post('save'))
        {
            // Convert back text area into array to be stored in permission data
            $allowed_uris = explode("\n", $this->input->post('allowed_uris'));

            // Remove white space if available
            array_map('trim', $allowed_uris);

            // Get role_id permission data first.
            // So the previously set permission array key won't be
            // overwritten with new array with key $key only,
            // when calling set_permission_data later.
            $permission_data = $this->permissions->get_permission_data($this->input->post('role'));

            // Set value in permission data array

            // User Permissions
            $permission_data['administer_users'] = $this->input->post('administer_users');
            $permission_data['add_users'] = $this->input->post('add_users');
            $permission_data['delete_users'] = $this->input->post('delete_users');
            $permission_data['edit_users'] = $this->input->post('edit_users');

            // Project Permissions
            $permission_data['administer_projects'] = $this->input->post('administer_projects');
            $permission_data['create_project'] = $this->input->post('create_project');
            $permission_data['delete_project'] = $this->input->post('delete_project');
            $permission_data['upload_project_file'] = $this->input->post('upload_project_file');
            $permission_data['map_users_to_project'] = $this->input->post('map_users_to_project');
            $permission_data['administer_scos'] = $this->input->post('administer_scos');

            // Permissions permissions, lol
            $permission_data['administer_permissions'] = $this->input->post('administer_permissions');
            $permission_data['uri'] = $allowed_uris;

            // Set URI permission data
            // IMPORTANT: uri permission data, is saved using 'uri' as key.
            // So this key name is preserved, if you want to use custom permission use other key.
            $this->permissions->set_permission_value($role_id, 'uri', $allowed_uris);

            // Set permission data for role_id
            $this->permissions->set_permission_data($role_id, $permission_data);
        }

        /* Showing page to user */

        // Get all role from database
        $data['roles'] = $this->roles->get_all()->result();

        // Get permissions
        $data['administer_users'] = $this->permissions->get_permission_value($role_id,
                                                                              'administer_users');
        $data['add_users'] = $this->permissions->get_permission_value($role_id,
                                                                         'add_users');
        $data['delete_users'] = $this->permissions->get_permission_value($role_id,
                                                                           'delete_users');
        $data['edit_users'] = $this->permissions->get_permission_value($role_id,
                                                                         'edit_users');
        $data['administer_projects'] = $this->permissions->get_permission_value($role_id,
                                                                                 'administer_projects');
        $data['create_project'] = $this->permissions->get_permission_value($role_id,
                                                                             'create_project');
        $data['delete_project'] = $this->permissions->get_permission_value($role_id,
                                                                             'delete_project');
        $data['map_users_to_project'] = $this->permissions->get_permission_value($role_id,
                                                                                   'map_users_to_project');
        $data['administer_scos'] = $this->permissions->get_permission_value($role_id, 'administer_scos');
        $data['administer_permissions'] = $this->permissions->get_permission_value($role_id,
                                                                                  'administer_permissions');
        $data['upload_project_file'] = $this->permissions->get_permission_value($role_id,
                                                                                  'upload_project_file');

        // Get allowed uri permissions
        $data['allowed_uris'] = $this->permissions->get_permission_value($role_id,
        'uri');

        // Load view
        $data['page_content'] = $this->load->view('backend/custom_permissions', $data, TRUE);


        $data['page_content_title'] = 'Administer Permissions';

        $this->load->view('main_view', $data);
    }
}