mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-12-22 14:42:23 +03:00
377 lines
13 KiB
PHP
377 lines
13 KiB
PHP
<?php defined('BASEPATH') or exit('No direct script access allowed');
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/* ----------------------------------------------------------------------------
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* Easy!Appointments - Online Appointment 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) 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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* Caldav controller.
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*
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* Handles the Caldav Calendar synchronization related operations.
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*
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* @package Controllers
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*/
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class Caldav extends EA_Controller
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{
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/**
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* Caldav 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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$this->load->library('caldav_sync');
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$this->load->model('appointments_model');
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$this->load->model('unavailabilities_model');
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$this->load->model('providers_model');
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}
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/**
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* Connect to the target CalDAV server
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*
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* @return void
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*/
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public function connect_to_server(): void
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{
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try {
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$provider_id = request('provider_id');
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$user_id = session('user_id');
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if (cannot('edit', PRIV_USERS) && (int) $user_id !== (int) $provider_id) {
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throw new RuntimeException('You do not have the required permissions for this task.');
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}
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$caldav_url = request('caldav_url');
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$caldav_username = request('caldav_username');
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$caldav_password = request('caldav_password');
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$default_caldav_calendar = $this->caldav_sync->get_default_calendar(
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$caldav_url,
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$caldav_username,
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$caldav_password,
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);
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if (!$default_caldav_calendar) {
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json_response([
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'success' => false,
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]);
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return;
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}
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$provider = $this->providers_model->find($provider_id);
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$provider['settings']['caldav_sync'] = true;
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$provider['settings']['caldav_url'] = $caldav_url;
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$provider['settings']['caldav_username'] = $caldav_username;
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$provider['settings']['caldav_password'] = $caldav_password;
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$provider['settings']['caldav_calendar'] = $default_caldav_calendar;
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$this->providers_model->save($provider);
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json_response([
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'success' => true,
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]);
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} catch (Throwable $e) {
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json_exception($e);
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}
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}
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/**
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* Sync the provider events with the remote CalDAV calendar.
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*
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* @param string $provider_id Provider ID (String because this is used with HTTP and CLI)
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*
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* @return void
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*
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* @throws \Jsvrcek\ICS\Exception\CalendarEventException
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* @throws Exception
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* @throws Throwable
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*/
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public static function sync(string $provider_id): void
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{
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/** @var EA_Controller $CI */
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$CI = get_instance();
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$CI->load->library('caldav_sync');
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// Load the libraries as this method is called statically from the CLI command
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$CI->load->model('appointments_model');
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$CI->load->model('unavailabilities_model');
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$CI->load->model('providers_model');
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$CI->load->model('services_model');
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$CI->load->model('customers_model');
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$CI->load->model('settings_model');
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$user_id = session('user_id');
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if (!$user_id && !is_cli()) {
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return;
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}
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if (empty($provider_id)) {
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throw new InvalidArgumentException('No provider ID provided.');
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}
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$provider = $CI->providers_model->find($provider_id);
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// Check whether the selected provider has the CalDAV Sync enabled.
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if (!$provider['settings']['caldav_sync']) {
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return; // The selected provider does not have the CalDAV Sync enabled.
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}
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// Fetch provider's appointments that belong to the sync time period.
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$sync_past_days = $provider['settings']['sync_past_days'];
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$sync_future_days = $provider['settings']['sync_future_days'];
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$start_date_time = date('Y-m-d H:i:s', strtotime('-' . $sync_past_days . ' days'));
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$end_date_time = date('Y-m-d H:i:s', strtotime('+' . $sync_future_days . ' days'));
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$where = [
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'start_datetime >=' => $start_date_time,
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'end_datetime <=' => $end_date_time,
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'id_users_provider' => $provider['id'],
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];
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$appointments = $CI->appointments_model->get($where);
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$unavailabilities = $CI->unavailabilities_model->get($where);
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$local_events = [...$appointments, ...$unavailabilities];
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// Sync each appointment with CalDAV Calendar by following the project's sync protocol (see documentation).
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foreach ($local_events as $local_event) {
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if (!$local_event['is_unavailability']) {
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$service = $CI->services_model->find($local_event['id_services']);
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$customer = $CI->customers_model->find($local_event['id_users_customer']);
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$events_model = $CI->appointments_model;
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} else {
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$service = null;
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$customer = null;
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$events_model = $CI->unavailabilities_model;
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}
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// If current appointment not synced yet, add to CalDAV Calendar.
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if (!$local_event['id_caldav_calendar']) {
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if (!$local_event['is_unavailability']) {
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$caldav_event_id = $CI->caldav_sync->save_appointment($local_event, $service, $provider, $customer);
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} else {
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$caldav_event_id = $CI->caldav_sync->save_unavailability($local_event, $provider);
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}
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$local_event['id_caldav_calendar'] = $caldav_event_id;
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$events_model->save($local_event); // Save the CalDAV Calendar ID.
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continue;
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}
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// Appointment is synced with CalDAV Calendar.
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try {
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$caldav_event = $CI->caldav_sync->get_event($provider, $local_event['id_caldav_calendar']);
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if ($caldav_event['status'] === 'CANCELLED') {
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throw new Exception('Event is cancelled, remove the record from Easy!Appointments.');
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}
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// If CalDAV Calendar event is different from Easy!Appointments appointment then update Easy!Appointments record.
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$local_event_start = strtotime($local_event['start_datetime']);
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$local_event_end = strtotime($local_event['end_datetime']);
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$caldav_event_start = new DateTime($caldav_event['start_datetime']);
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$caldav_event_end = new DateTime($caldav_event['end_datetime']);
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$caldav_event_notes = $local_event['is_unavailability']
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? $caldav_event['summary'] . ' ' . $caldav_event['description']
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: $caldav_event['description'];
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$is_different =
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$local_event_start !== $caldav_event_start->getTimestamp() ||
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$local_event_end !== $caldav_event_end->getTimestamp() ||
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$local_event['notes'] !== $caldav_event_notes;
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if ($is_different) {
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$local_event['start_datetime'] = $caldav_event_start->format('Y-m-d H:i:s');
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$local_event['end_datetime'] = $caldav_event_end->format('Y-m-d H:i:s');
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$local_event['notes'] = $caldav_event_notes;
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$events_model->save($local_event);
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}
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} catch (Throwable) {
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// Appointment not found on CalDAV Calendar, delete from Easy!Appointments.
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$events_model->delete($local_event['id']);
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$local_event['id_caldav_calendar'] = null;
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}
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}
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// Add CalDAV Calendar events that do not exist in Easy!Appointments.
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try {
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$caldav_events = $CI->caldav_sync->get_sync_events($provider, $start_date_time, $end_date_time);
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} catch (Throwable $e) {
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if ($e->getCode() === 404) {
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log_message('error', 'CalDAV - Remote Calendar not found for provider ID: ' . $provider_id);
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return; // The remote calendar was not found.
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} else {
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throw $e;
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}
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}
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foreach ($caldav_events as $caldav_event) {
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if ($caldav_event['status'] === 'CANCELLED') {
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continue;
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}
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if ($caldav_event['start_datetime'] === $caldav_event['end_datetime']) {
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continue; // Cannot sync events with the same start and end date time value
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}
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$appointment_results = $CI->appointments_model->get(['id_caldav_calendar' => $caldav_event['id']]);
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if (!empty($appointment_results)) {
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continue;
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}
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$unavailability_results = $CI->unavailabilities_model->get([
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'id_caldav_calendar' => $caldav_event['id'],
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]);
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if (!empty($unavailability_results)) {
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continue;
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}
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// Record doesn't exist in the Easy!Appointments, so add the event now.
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$local_event = [
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'start_datetime' => $caldav_event['start_datetime'],
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'end_datetime' => $caldav_event['end_datetime'],
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'location' => $caldav_event['location'],
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'notes' => $caldav_event['summary'] . ' ' . $caldav_event['description'],
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'id_users_provider' => $provider_id,
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'id_caldav_calendar' => $caldav_event['id'],
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];
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$CI->unavailabilities_model->save($local_event);
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}
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json_response([
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'success' => true,
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]);
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}
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/**
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* Get CalDAV Calendars
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*
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* This method will return a list of the available CalDAV Calendars.
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*
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* @return void
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*/
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public function get_caldav_calendars(): void
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{
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try {
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$provider_id = (int) request('provider_id');
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$user_id = session('user_id');
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if (cannot('edit', PRIV_USERS) && (int) $user_id !== (int) $provider_id) {
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throw new RuntimeException('You do not have the required permissions for this task.');
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}
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$calendars = $this->caldav_sync->get_caldav_calendars($provider_id);
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json_response($calendars);
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} catch (Throwable $e) {
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json_exception($e);
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}
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}
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/**
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* Select a specific caldav calendar for a provider.
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*
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* All the appointments will be synced with this particular calendar.
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*
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* @return void
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*/
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public function select_caldav_calendar(): void
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{
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try {
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$provider_id = (int) request('provider_id');
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$user_id = session('user_id');
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if (cannot('edit', PRIV_USERS) && (int) $user_id !== (int) $provider_id) {
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throw new RuntimeException('You do not have the required permissions for this task.');
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}
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$calendar_id = request('calendar_id');
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$this->providers_model->set_setting($provider_id, 'caldav_calendar', $calendar_id);
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json_response([
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'success' => true,
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]);
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} catch (Throwable $e) {
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json_exception($e);
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}
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}
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/**
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* Disable a providers sync setting.
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*
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* This method resets the CalDAV related settings from the user_settings DB table.
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*
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* @return void
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*/
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public function disable_provider_sync(): void
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{
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try {
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$provider_id = request('provider_id');
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if (!$provider_id) {
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throw new Exception('Provider id not specified.');
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}
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$user_id = session('user_id');
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if (cannot('edit', PRIV_USERS) && (int) $user_id !== (int) $provider_id) {
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throw new RuntimeException('You do not have the required permissions for this task.');
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}
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$provider = $this->providers_model->find($provider_id);
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$provider['settings']['caldav_sync'] = false;
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$provider['settings']['caldav_url'] = null;
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$provider['settings']['caldav_username'] = null;
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$provider['settings']['caldav_password'] = null;
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$provider['settings']['caldav_calendar'] = null;
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$this->providers_model->save($provider);
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$this->appointments_model->clear_caldav_sync_ids($provider_id);
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json_response([
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'success' => true,
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]);
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} catch (Throwable $e) {
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json_exception($e);
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}
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}
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}
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