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Fixes #31

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This commit is contained in:
Alex Tselegidis 2015-11-23 22:58:32 +01:00
parent 6a502b4aa6
commit f0c4f6f12b
3 changed files with 219 additions and 261 deletions
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433
src/application/controllers/appointments.php
View file

@ -216,6 +216,40 @@ class Appointments extends CI_Controller {
$this->load->view('appointments/message', $view);
}
/**
* GET an specific appointment book and redirect to the success screen.
*
* @param int $appointment_id Contains the id of the appointment to retrieve.
*/
public function book_success($appointment_id) {
//if the appointment id doesn't exist or zero redirect to index
if(!$appointment_id){
redirect('appointments');
}
$this->load->model('appointments_model');
$this->load->model('providers_model');
$this->load->model('services_model');
$this->load->model('settings_model');
//retrieve the data needed in the view
$appointment = $this->appointments_model->get_row($appointment_id);
$provider = $this->providers_model->get_row($appointment['id_users_provider']);
$service = $this->services_model->get_row($appointment['id_services']);
$company_name = $this->settings_model->get_setting('company_name');
//get the exceptions
$exceptions = $this->session->flashdata('book_success');
// :: LOAD THE BOOK SUCCESS VIEW
$view = array(
'appointment_data' => $appointment,
'provider_data' => $provider,
'service_data' => $service,
'company_name' => $company_name,
);
if($exceptions){
$view['exceptions'] = $exceptions;
}
$this->load->view('appointments/book_success', $view);
}
/**
* [AJAX] Get the available appointment hours for the given date.
*
@ -316,223 +350,6 @@ class Appointments extends CI_Controller {
}
}
/**
* Check whether the provider is still available in the selected appointment date.
*
* It might be times where two or more customers select the same appointment date and time.
* This shouldn't be allowed to happen, so one of the two customers will eventually get the
* prefered date and the other one will have to choose for another date. Use this method
* just before the customer confirms the appointment details. If the selected date was taken
* in the mean time, the customer must be prompted to select another time for his appointment.
*
* @param int $_POST['id_users_provider'] The selected provider's record id.
* @param int $_POST['id_services'] The selected service's record id.
* @param string $_POST['start_datetime'] This is a mysql formed string.
* @return bool Returns whether the selected datetime is still available.
*/
public function ajax_check_datetime_availability() {
try {
$this->load->model('services_model');
$service_duration = $this->services_model->get_value('duration', $_POST['id_services']);
$exclude_appointments = (isset($_POST['exclude_appointment_id']))
? array($_POST['exclude_appointment_id']) : array();
$available_periods = $this->get_provider_available_time_periods(
$_POST['id_users_provider'], $_POST['start_datetime'], $exclude_appointments);
$is_still_available = FALSE;
foreach($available_periods as $period) {
$appt_start = new DateTime($_POST['start_datetime']);
$appt_start = $appt_start->format('H:i');
$appt_end = new DateTime($_POST['start_datetime']);
$appt_end->add(new DateInterval('PT' . $service_duration . 'M'));
$appt_end = $appt_end->format('H:i');
$period_start = date('H:i', strtotime($period['start']));
$period_end = date('H:i', strtotime($period['end']));
if ($period_start <= $appt_start && $period_end >= $appt_end) {
$is_still_available = TRUE;
break;
}
}
echo json_encode($is_still_available);
} catch(Exception $exc) {
echo json_encode(array(
'exceptions' => array(exceptionToJavaScript($exc))
));
}
}
/**
* Get an array containing the free time periods (start - end) of a selected date.
*
* This method is very important because there are many cases where the system needs to
* know when a provider is avaible for an appointment. This method will return an array
* that belongs to the selected date and contains values that have the start and the end
* time of an available time period.
*
* @param numeric $provider_id The provider's record id.
* @param string $selected_date The date to be checked (MySQL formatted string).
* @param array $exclude_appointments This array contains the ids of the appointments that
* will not be taken into consideration when the available time periods are calculated.
* @return array Returns an array with the available time periods of the provider.
*/
private function get_provider_available_time_periods($provider_id, $selected_date,
$exclude_appointments = array()) {
$this->load->model('appointments_model');
$this->load->model('providers_model');
// Get the provider's working plan and reserved appointments.
$working_plan = json_decode($this->providers_model->get_setting('working_plan', $provider_id), true);
$where_clause = array(
//'DATE(start_datetime)' => date('Y-m-d', strtotime($selected_date)),
'id_users_provider' => $provider_id
);
$reserved_appointments = $this->appointments_model->get_batch($where_clause);
// Sometimes it might be necessary to not take into account some appointment records
// in order to display what the providers' available time periods would be without them.
foreach ($exclude_appointments as $excluded_id) {
foreach ($reserved_appointments as $index => $reserved) {
if ($reserved['id'] == $excluded_id) {
unset($reserved_appointments[$index]);
}
}
}
// Find the empty spaces on the plan. The first split between the plan is due to
// a break (if exist). After that every reserved appointment is considered to be
// a taken space in the plan.
$selected_date_working_plan = $working_plan[strtolower(date('l', strtotime($selected_date)))];
$available_periods_with_breaks = array();
if (isset($selected_date_working_plan['breaks'])) {
if (count($selected_date_working_plan['breaks'])) {
foreach($selected_date_working_plan['breaks'] as $index=>$break) {
// Split the working plan to available time periods that do not
// contain the breaks in them.
$last_break_index = $index - 1;
if (count($available_periods_with_breaks) === 0) {
$start_hour = $selected_date_working_plan['start'];
$end_hour = $break['start'];
} else {
$start_hour = $selected_date_working_plan['breaks'][$last_break_index]['end'];
$end_hour = $break['start'];
}
$available_periods_with_breaks[] = array(
'start' => $start_hour,
'end' => $end_hour
);
}
// Add the period from the last break to the end of the day.
$available_periods_with_breaks[] = array(
'start' => $selected_date_working_plan['breaks'][$index]['end'],
'end' => $selected_date_working_plan['end']
);
} else {
$available_periods_with_breaks[] = array(
'start' => $selected_date_working_plan['start'],
'end' => $selected_date_working_plan['end']
);
}
}
// Break the empty periods with the reserved appointments.
$available_periods_with_appointments = $available_periods_with_breaks;
foreach($reserved_appointments as $appointment) {
foreach($available_periods_with_appointments as $index => &$period) {
$a_start = strtotime($appointment['start_datetime']);
$a_end = strtotime($appointment['end_datetime']);
$p_start = strtotime($selected_date . ' ' . $period['start']);
$p_end = strtotime($selected_date . ' ' .$period['end']);
if ($a_start <= $p_start && $a_end <= $p_end && $a_end <= $p_start) {
// The appointment does not belong in this time period, so we
// will not change anything.
} else if ($a_start <= $p_start && $a_end <= $p_end && $a_end >= $p_start) {
// The appointment starts before the period and finishes somewhere inside.
// We will need to break this period and leave the available part.
$period['start'] = date('H:i', $a_end);
} else if ($a_start >= $p_start && $a_end <= $p_end) {
// The appointment is inside the time period, so we will split the period
// into two new others.
unset($available_periods_with_appointments[$index]);
$available_periods_with_appointments[] = array(
'start' => date('H:i', $p_start),
'end' => date('H:i', $a_start)
);
$available_periods_with_appointments[] = array(
'start' => date('H:i', $a_end),
'end' => date('H:i', $p_end)
);
} else if ($a_start >= $p_start && $a_end >= $p_start && $a_start <= $p_end) {
// The appointment starts in the period and finishes out of it. We will
// need to remove the time that is taken from the appointment.
$period['end'] = date('H:i', $a_start);
} else if ($a_start >= $p_start && $a_end >= $p_end && $a_start >= $p_end) {
// The appointment does not belong in the period so do not change anything.
} else if ($a_start <= $p_start && $a_end >= $p_end && $a_start <= $p_end) {
// The appointment is bigger than the period, so this period needs to be
// removed.
unset($available_periods_with_appointments[$index]);
}
}
}
return array_values($available_periods_with_appointments);
}
/**
* GET an specific appointment book and redirect to the success screen.
*
* @param int $appointment_id Contains the id of the appointment to retrieve.
*/
public function book_success($appointment_id) {
//if the appointment id doesn't exist or zero redirect to index
if(!$appointment_id){
redirect('appointments');
}
$this->load->model('appointments_model');
$this->load->model('providers_model');
$this->load->model('services_model');
$this->load->model('settings_model');
//retrieve the data needed in the view
$appointment = $this->appointments_model->get_row($appointment_id);
$provider = $this->providers_model->get_row($appointment['id_users_provider']);
$service = $this->services_model->get_row($appointment['id_services']);
$company_name = $this->settings_model->get_setting('company_name');
//get the exceptions
$exceptions = $this->session->flashdata('book_success');
// :: LOAD THE BOOK SUCCESS VIEW
$view = array(
'appointment_data' => $appointment,
'provider_data' => $provider,
'service_data' => $service,
'company_name' => $company_name,
);
if($exceptions){
$view['exceptions'] = $exceptions;
}
$this->load->view('appointments/book_success', $view);
}
/**
* [AJAX] Register the appointment to the database.
*/
@ -546,6 +363,11 @@ class Appointments extends CI_Controller {
throw new Exception($this->lang->line('captcha_is_wrong'));
}
// Check appointment availability.
if (!$this->check_datetime_availability()) {
throw new Exception($this->lang->line('requested_hour_is_unavailable'));
}
$appointment = $post_data['appointment'];
$customer = $post_data['customer'];
@ -660,6 +482,183 @@ class Appointments extends CI_Controller {
));
}
}
/**
* Check whether the provider is still available in the selected appointment date.
*
* It might be times where two or more customers select the same appointment date and time.
* This shouldn't be allowed to happen, so one of the two customers will eventually get the
* prefered date and the other one will have to choose for another date. Use this method
* just before the customer confirms the appointment details. If the selected date was taken
* in the mean time, the customer must be prompted to select another time for his appointment.
*
* @return bool Returns whether the selected datetime is still available.
*/
private function check_datetime_availability() {
$this->load->model('services_model');
$appointment = $_POST['post_data']['appointment'];
$service_duration = $this->services_model->get_value('duration', $appointment['id_services']);
$exclude_appointments = (isset($appointment['appointment_id']))
? array($appointment['appointment_id']) : array();
$available_periods = $this->get_provider_available_time_periods(
$appointment['id_users_provider'], date('Y-m-d', strtotime($appointment['start_datetime'])),
$exclude_appointments);
$is_still_available = FALSE;
foreach($available_periods as $period) {
$appt_start = new DateTime($appointment['start_datetime']);
$appt_start = $appt_start->format('H:i');
$appt_end = new DateTime($appointment['start_datetime']);
$appt_end->add(new DateInterval('PT' . $service_duration . 'M'));
$appt_end = $appt_end->format('H:i');
$period_start = date('H:i', strtotime($period['start']));
$period_end = date('H:i', strtotime($period['end']));
if ($period_start <= $appt_start && $period_end >= $appt_end) {
$is_still_available = TRUE;
break;
}
}
return $is_still_available;
}
/**
* Get an array containing the free time periods (start - end) of a selected date.
*
* This method is very important because there are many cases where the system needs to
* know when a provider is avaible for an appointment. This method will return an array
* that belongs to the selected date and contains values that have the start and the end
* time of an available time period.
*
* @param numeric $provider_id The provider's record id.
* @param string $selected_date The date to be checked (MySQL formatted string).
* @param array $exclude_appointments This array contains the ids of the appointments that
* will not be taken into consideration when the available time periods are calculated.
* @return array Returns an array with the available time periods of the provider.
*/
private function get_provider_available_time_periods($provider_id, $selected_date,
$exclude_appointments = array()) {
$this->load->model('appointments_model');
$this->load->model('providers_model');
// Get the provider's working plan and reserved appointments.
$working_plan = json_decode($this->providers_model
->get_setting('working_plan', $provider_id), true);
$where_clause = array(
'DATE(start_datetime)' => date('Y-m-d', strtotime($selected_date)),
'id_users_provider' => $provider_id
);
$reserved_appointments = $this->appointments_model->get_batch($where_clause);
// Sometimes it might be necessary to not take into account some appointment records
// in order to display what the providers' available time periods would be without them.
foreach ($exclude_appointments as $excluded_id) {
foreach ($reserved_appointments as $index => $reserved) {
if ($reserved['id'] == $excluded_id) {
unset($reserved_appointments[$index]);
}
}
}
// Find the empty spaces on the plan. The first split between the plan is due to
// a break (if exist). After that every reserved appointment is considered to be
// a taken space in the plan.
$selected_date_working_plan = $working_plan[strtolower(date('l', strtotime($selected_date)))];
$available_periods_with_breaks = array();
if (isset($selected_date_working_plan['breaks'])) {
if (count($selected_date_working_plan['breaks'])) {
foreach($selected_date_working_plan['breaks'] as $index=>$break) {
// Split the working plan to available time periods that do not
// contain the breaks in them.
$last_break_index = $index - 1;
if (count($available_periods_with_breaks) === 0) {
$start_hour = $selected_date_working_plan['start'];
$end_hour = $break['start'];
} else {
$start_hour = $selected_date_working_plan['breaks'][$last_break_index]['end'];
$end_hour = $break['start'];
}
$available_periods_with_breaks[] = array(
'start' => $start_hour,
'end' => $end_hour
);
}
// Add the period from the last break to the end of the day.
$available_periods_with_breaks[] = array(
'start' => $selected_date_working_plan['breaks'][$index]['end'],
'end' => $selected_date_working_plan['end']
);
} else {
$available_periods_with_breaks[] = array(
'start' => $selected_date_working_plan['start'],
'end' => $selected_date_working_plan['end']
);
}
}
// Break the empty periods with the reserved appointments.
$available_periods_with_appointments = $available_periods_with_breaks;
foreach($reserved_appointments as $appointment) {
foreach($available_periods_with_appointments as $index => &$period) {
$a_start = strtotime($appointment['start_datetime']);
$a_end = strtotime($appointment['end_datetime']);
$p_start = strtotime($selected_date . ' ' . $period['start']);
$p_end = strtotime($selected_date . ' ' .$period['end']);
if ($a_start <= $p_start && $a_end <= $p_end && $a_end <= $p_start) {
// The appointment does not belong in this time period, so we
// will not change anything.
} else if ($a_start <= $p_start && $a_end <= $p_end && $a_end >= $p_start) {
// The appointment starts before the period and finishes somewhere inside.
// We will need to break this period and leave the available part.
$period['start'] = date('H:i', $a_end);
} else if ($a_start >= $p_start && $a_end <= $p_end) {
// The appointment is inside the time period, so we will split the period
// into two new others.
unset($available_periods_with_appointments[$index]);
$available_periods_with_appointments[] = array(
'start' => date('H:i', $p_start),
'end' => date('H:i', $a_start)
);
$available_periods_with_appointments[] = array(
'start' => date('H:i', $a_end),
'end' => date('H:i', $p_end)
);
} else if ($a_start >= $p_start && $a_end >= $p_start && $a_start <= $p_end) {
// The appointment starts in the period and finishes out of it. We will
// need to remove the time that is taken from the appointment.
$period['end'] = date('H:i', $a_start);
} else if ($a_start >= $p_start && $a_end >= $p_end && $a_start >= $p_end) {
// The appointment does not belong in the period so do not change anything.
} else if ($a_start <= $p_start && $a_end >= $p_end && $a_start <= $p_end) {
// The appointment is bigger than the period, so this period needs to be
// removed.
unset($available_periods_with_appointments[$index]);
}
}
}
return array_values($available_periods_with_appointments);
}
}
/* End of file appointments.php */

1
src/application/language/english/translations_lang.php
View file

@ -266,3 +266,4 @@ $lang['could_not_add_to_google_calendar'] = 'Your appointment could not be added
$lang['ea_update_success'] = 'Easy!Appointments has been successfully updated!';
$lang['captcha_is_wrong'] = 'CAPTCHA verification failed, please try again.';
$lang['any_provider'] = 'Any Provider';
$lang['requested_hour_is_unavailable'] = 'The requested appointment is unfornately not available. Please select a different hour for your appointment.';

46
src/assets/js/frontend_book.js
View file

@ -261,44 +261,7 @@ var FrontendBook = {
* another customer or event.
*/
$('#book-appointment-submit').click(function(event) {
var formData = jQuery.parseJSON($('input[name="post_data"]').val());
var postData = {
'csrfToken': GlobalVariables.csrfToken,
'id_users_provider': formData['appointment']['id_users_provider'],
'id_services': formData['appointment']['id_services'],
'start_datetime': formData['appointment']['start_datetime'],
};
if (GlobalVariables.manageMode) {
postData.exclude_appointment_id = GlobalVariables.appointmentData.id;
}
var postUrl = GlobalVariables.baseUrl + '/index.php/appointments/ajax_check_datetime_availability';
$.post(postUrl, postData, function(response) {
////////////////////////////////////////////////////////////////////////
console.log('Check Date/Time Availability Post Response :', response);
////////////////////////////////////////////////////////////////////////
if (response.exceptions) {
response.exceptions = GeneralFunctions.parseExceptions(response.exceptions);
GeneralFunctions.displayMessageBox('Unexpected Issues', 'Unfortunately '
+ 'the check appointment time availability could not be completed. '
+ 'The following issues occurred:');
$('#message_box').append(GeneralFunctions.exceptionsToHtml(response.exceptions));
return false;
}
if (response === true) {
FrontendBook.registerAppointment();
} else {
GeneralFunctions.displayMessageBox('Appointment Hour Taken', 'Unfortunately '
+ 'the selected appointment hour is not available anymore. Please select '
+ 'another hour.');
FrontendBook.getAvailableHours($('#select-date').val());
}
}, 'json').fail(GeneralFunctions.ajaxFailureHandler);
FrontendBook.registerAppointment();
});
/**
@ -676,12 +639,7 @@ var FrontendBook = {
}
})
.done(function(response) {
if (response.exceptions) {
response.exceptions = GeneralFunctions.parseExceptions(response.exceptions);
GeneralFunctions.displayMessageBox('Unexpected Issues', 'Unfortunately '
+ 'the check appointment time availability could not be completed. '
+ 'The following issues occurred:');
$('#message_box').append(GeneralFunctions.exceptionsToHtml(response.exceptions));
if (!GeneralFunctions.handleAjaxExceptions(response)) {
$('.captcha-title small').trigger('click');
return false;
}