379 lines
16 KiB
PHP
Executable File
379 lines
16 KiB
PHP
Executable File
<?php defined('BASEPATH') or exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Open Source Web Scheduler
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*
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* @package EasyAppointments
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* @author A.Tselegidis <alextselegidis@gmail.com>
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* @copyright Copyright (c) 2013 - 2020, Alex Tselegidis
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* @license https://opensource.org/licenses/GPL-3.0 - GPLv3
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* @link https://easyappointments.org
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* @since v1.0.0
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* ---------------------------------------------------------------------------- */
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/**
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* Backend Controller
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*
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* @property CI_Session $session
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*
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* @package Controllers
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*/
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class Backend extends EA_Controller {
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/**
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* Class Constructor
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*/
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public function __construct()
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{
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parent::__construct();
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$this->load->model('appointments_model');
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$this->load->model('providers_model');
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$this->load->model('services_model');
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$this->load->model('customers_model');
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$this->load->model('settings_model');
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$this->load->model('roles_model');
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$this->load->model('user_model');
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$this->load->model('secretaries_model');
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$this->load->model('admins_model');
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$this->load->library('timezones');
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$this->load->library('migration');
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}
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/**
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* Display the main backend page.
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*
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* This method displays the main backend page. All users login permission can view this page which displays a
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* calendar with the events of the selected provider or service. If a user has more privileges he will see more
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* menus at the top of the page.
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*
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* @param string $appointment_hash Appointment edit dialog will appear when the page loads (default '').
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*
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* @throws Exception
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*/
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public function index($appointment_hash = '')
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{
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$this->session->set_userdata('dest_url', site_url('backend/index' . (! empty($appointment_hash) ? '/' . $appointment_hash : '')));
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if ( ! $this->has_privileges(PRIV_APPOINTMENTS))
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{
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return;
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}
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$calendar_view_query_param = $this->input->get('view');
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$user_id = $this->session->userdata('user_id');
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$user = $this->user_model->get_user($user_id);
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$view['base_url'] = config('base_url');
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$view['page_title'] = lang('calendar');
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$view['user_display_name'] = $this->user_model->get_user_display_name($this->session->userdata('user_id'));
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$view['active_menu'] = PRIV_APPOINTMENTS;
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$view['date_format'] = $this->settings_model->get_setting('date_format');
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$view['time_format'] = $this->settings_model->get_setting('time_format');
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$view['first_weekday'] = $this->settings_model->get_setting('first_weekday');
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$view['company_name'] = $this->settings_model->get_setting('company_name');
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$view['require_phone_number'] = $this->settings_model->get_setting('require_phone_number');
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$view['available_providers'] = $this->providers_model->get_available_providers();
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$view['available_services'] = $this->services_model->get_available_services();
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$view['customers'] = $this->customers_model->get_batch();
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$view['calendar_view'] = ! empty($calendar_view_query_param) ? $calendar_view_query_param : $user['settings']['calendar_view'];
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$view['timezones'] = $this->timezones->to_array();
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$this->set_user_data($view);
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if ($this->session->userdata('role_slug') === DB_SLUG_SECRETARY)
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{
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$secretary = $this->secretaries_model->get_row($this->session->userdata('user_id'));
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$view['secretary_providers'] = $secretary['providers'];
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$view['available_providers'] = array_values(array_filter($view['available_providers'], function ($available_provider) use ($secretary) {
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return in_array($available_provider['id'], $secretary['providers']);
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}));
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}
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else
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{
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$view['secretary_providers'] = [];
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}
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if ($this->session->userdata('role_slug') === DB_SLUG_PROVIDER)
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{
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$view['available_providers'] = array_values(array_filter($view['available_providers'], function ($available_provider) use ($user_id) {
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return $available_provider['id'] === $user_id;
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}));
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}
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$results = $this->appointments_model->get_batch(['hash' => $appointment_hash]);
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if ($appointment_hash !== '' && count($results) > 0)
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{
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$appointment = $results[0];
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$appointment['customer'] = $this->customers_model->get_row($appointment['id_users_customer']);
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$view['edit_appointment'] = $appointment; // This will display the appointment edit dialog on page load.
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}
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else
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{
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$view['edit_appointment'] = NULL;
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}
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$this->load->view('backend/header', $view);
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$this->load->view('backend/calendar', $view);
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$this->load->view('backend/footer', $view);
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}
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/**
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* Check whether current user is logged in and has the required privileges to view a page.
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*
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* The backend page requires different privileges from the users to display pages. Not all pages are available to
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* all users. For example secretaries should not be able to edit the system users.
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*
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* @param string $page This argument must match the roles field names of each section (eg "appointments", "users"
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* ...).
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* @param bool $redirect If the user has not the required privileges (either not logged in or insufficient role
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* privileges) then the user will be redirected to another page. Set this argument to FALSE when using ajax (default
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* true).
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*
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* @return bool Returns whether the user has the required privileges to view the page or not. If the user is not
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* logged in then he will be prompted to log in. If he hasn't the required privileges then an info message will be
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* displayed.
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*/
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protected function has_privileges($page, $redirect = TRUE)
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{
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// Check if user is logged in.
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$user_id = $this->session->userdata('user_id');
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if ($user_id == FALSE)
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{
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// User not logged in, display the login view.
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if ($redirect)
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{
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header('Location: ' . site_url('user/login'));
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}
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return FALSE;
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}
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// Check if the user has the required privileges for viewing the selected page.
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$role_slug = $this->session->userdata('role_slug');
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$role_privileges = $this->db->get_where('roles', ['slug' => $role_slug])->row_array();
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if ($role_privileges[$page] < PRIV_VIEW)
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{
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// User does not have the permission to view the page.
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if ($redirect)
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{
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header('Location: ' . site_url('user/no_privileges'));
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}
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Set the user data in order to be available at the view and js code.
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*
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* @param array $view Contains the view data.
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*/
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protected function set_user_data(&$view)
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{
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$view['user_id'] = $this->session->userdata('user_id');
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$view['user_email'] = $this->session->userdata('user_email');
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$view['timezone'] = $this->session->userdata('timezone');
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$view['role_slug'] = $this->session->userdata('role_slug');
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$view['privileges'] = $this->roles_model->get_privileges($this->session->userdata('role_slug'));
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}
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/**
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* Display the backend customers page.
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*
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* In this page the user can manage all the customer records of the system.
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*/
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public function customers()
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{
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$this->session->set_userdata('dest_url', site_url('backend/customers'));
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if ( ! $this->has_privileges(PRIV_CUSTOMERS))
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{
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return;
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}
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$view['base_url'] = config('base_url');
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$view['page_title'] = lang('customers');
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$view['user_display_name'] = $this->user_model->get_user_display_name($this->session->userdata('user_id'));
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$view['active_menu'] = PRIV_CUSTOMERS;
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$view['company_name'] = $this->settings_model->get_setting('company_name');
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$view['date_format'] = $this->settings_model->get_setting('date_format');
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$view['time_format'] = $this->settings_model->get_setting('time_format');
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$view['first_weekday'] = $this->settings_model->get_setting('first_weekday');
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$view['require_phone_number'] = $this->settings_model->get_setting('require_phone_number');
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$view['customers'] = $this->customers_model->get_batch();
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$view['available_providers'] = $this->providers_model->get_available_providers();
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$view['available_services'] = $this->services_model->get_available_services();
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$view['timezones'] = $this->timezones->to_array();
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if ($this->session->userdata('role_slug') === DB_SLUG_SECRETARY)
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{
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$secretary = $this->secretaries_model->get_row($this->session->userdata('user_id'));
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$view['secretary_providers'] = $secretary['providers'];
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}
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else
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{
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$view['secretary_providers'] = [];
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}
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$this->set_user_data($view);
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$this->load->view('backend/header', $view);
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$this->load->view('backend/customers', $view);
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$this->load->view('backend/footer', $view);
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}
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/**
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* Displays the backend services page.
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*
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* Here the admin user will be able to organize and create the services that the user will be able to book
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* appointments in frontend.
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*
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* NOTICE: The services that each provider is able to service is managed from the backend services page.
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*/
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public function services()
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{
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$this->session->set_userdata('dest_url', site_url('backend/services'));
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if ( ! $this->has_privileges(PRIV_SERVICES))
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{
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return;
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}
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$view['base_url'] = config('base_url');
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$view['page_title'] = lang('services');
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$view['user_display_name'] = $this->user_model->get_user_display_name($this->session->userdata('user_id'));
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$view['active_menu'] = PRIV_SERVICES;
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$view['company_name'] = $this->settings_model->get_setting('company_name');
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$view['date_format'] = $this->settings_model->get_setting('date_format');
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$view['time_format'] = $this->settings_model->get_setting('time_format');
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$view['first_weekday'] = $this->settings_model->get_setting('first_weekday');
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$view['services'] = $this->services_model->get_batch();
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$view['categories'] = $this->services_model->get_all_categories();
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$view['timezones'] = $this->timezones->to_array();
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$this->set_user_data($view);
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$this->load->view('backend/header', $view);
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$this->load->view('backend/services', $view);
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$this->load->view('backend/footer', $view);
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}
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/**
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* Display the backend users page.
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*
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* In this page the admin user will be able to manage the system users. By this, we mean the provider, secretary and
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* admin users. This is also the page where the admin defines which service can each provider provide.
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*/
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public function users()
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{
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$this->session->set_userdata('dest_url', site_url('backend/users'));
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if ( ! $this->has_privileges(PRIV_USERS))
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{
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return;
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}
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$view['base_url'] = config('base_url');
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$view['page_title'] = lang('users');
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$view['user_display_name'] = $this->user_model->get_user_display_name($this->session->userdata('user_id'));
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$view['active_menu'] = PRIV_USERS;
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$view['company_name'] = $this->settings_model->get_setting('company_name');
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$view['date_format'] = $this->settings_model->get_setting('date_format');
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$view['time_format'] = $this->settings_model->get_setting('time_format');
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$view['first_weekday'] = $this->settings_model->get_setting('first_weekday');
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$view['admins'] = $this->admins_model->get_batch();
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$view['providers'] = $this->providers_model->get_batch();
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$view['secretaries'] = $this->secretaries_model->get_batch();
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$view['services'] = $this->services_model->get_batch();
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$view['working_plan'] = $this->settings_model->get_setting('company_working_plan');
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$view['timezones'] = $this->timezones->to_array();
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$view['working_plan_exceptions'] = '{}';
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$this->set_user_data($view);
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$this->load->view('backend/header', $view);
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$this->load->view('backend/users', $view);
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$this->load->view('backend/footer', $view);
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}
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/**
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* Display the user/system settings.
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*
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* This page will display the user settings (name, password etc). If current user is an administrator, then he will
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* be able to make change to the current Easy!Appointment installation (core settings like company name, book
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* timeout etc).
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*/
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public function settings()
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{
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$this->session->set_userdata('dest_url', site_url('backend/settings'));
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if ( ! $this->has_privileges(PRIV_SYSTEM_SETTINGS, FALSE)
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&& ! $this->has_privileges(PRIV_USER_SETTINGS))
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{
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return;
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}
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$user_id = $this->session->userdata('user_id');
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$view['base_url'] = config('base_url');
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$view['page_title'] = lang('settings');
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$view['user_display_name'] = $this->user_model->get_user_display_name($user_id);
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$view['active_menu'] = PRIV_SYSTEM_SETTINGS;
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$view['company_name'] = $this->settings_model->get_setting('company_name');
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$view['date_format'] = $this->settings_model->get_setting('date_format');
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$view['first_weekday'] = $this->settings_model->get_setting('first_weekday');
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$view['time_format'] = $this->settings_model->get_setting('time_format');
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$view['role_slug'] = $this->session->userdata('role_slug');
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$view['system_settings'] = $this->settings_model->get_settings();
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$view['user_settings'] = $this->user_model->get_user($user_id);
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$view['timezones'] = $this->timezones->to_array();
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// book_advance_timeout preview
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$book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
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$hours = floor($book_advance_timeout / 60);
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$minutes = $book_advance_timeout % 60;
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$view['book_advance_timeout_preview'] = sprintf('%02d:%02d', $hours, $minutes);
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$this->set_user_data($view);
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$this->load->view('backend/header', $view);
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$this->load->view('backend/settings', $view);
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$this->load->view('backend/footer', $view);
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}
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/**
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* This method will update the installation to the latest available version in the server.
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*
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* IMPORTANT: The code files must exist in the server, this method will not fetch any new files but will update
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* the database schema.
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*
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* This method can be used either by loading the page in the browser or by an ajax request. But it will answer with
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* JSON encoded data.
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*/
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public function update()
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{
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try
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{
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if ( ! $this->has_privileges(PRIV_SYSTEM_SETTINGS, TRUE))
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{
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throw new Exception('You do not have the required privileges for this task!');
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}
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if ( ! $this->migration->latest())
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{
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throw new Exception($this->migration->error_string());
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}
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$view = ['success' => TRUE];
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}
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catch (Exception $exception)
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{
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$view = ['success' => FALSE, 'exception' => $exception->getMessage()];
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}
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$this->load->view('general/update', $view);
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}
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}
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