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Updated the availabilities generation of REST API (fixes #315 and #337).

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alext 2018-01-02 12:55:52 +01:00
parent 9fdee15b80
commit d4c3a68368
1 changed files with 196 additions and 44 deletions
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240
src/application/controllers/api/v1/Availabilities.php
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@ -56,6 +56,7 @@ class Availabilities extends API_V1_Controller {
$date = new DateTime();
}
$provider = $this->providers_model->get_row($providerId->get());
$service = $this->services_model->get_row($serviceId->get());
$emptyPeriods = $this->_getProviderAvailableTimePeriods($providerId->get(),
@ -66,14 +67,34 @@ class Availabilities extends API_V1_Controller {
if ($service['attendants_number'] > 1)
{
$this->_getMultipleAttendantsHours($availableHours, $service['attendants_number'], $service['id'],
$date->format('Y-m-d'));
$availableHours = $this->_getMultipleAttendantsHours($date->format('Y-m-d'), $service, $provider);
}
// If the selected date is today, remove past hours. It is important include the timeout before
// booking that is set in the back-office the system. Normally we might want the customer to book
// an appointment that is at least half or one hour from now. The setting is stored in minutes.
if ($date->format('Y-m-d') === date('Y-m-d'))
{
$bookAdvanceTimeout = $this->settings_model->get_setting('book_advance_timeout');
foreach ($availableHours as $index => $value)
{
$availableHour = strtotime($value);
$currentHour = strtotime('+' . $bookAdvanceTimeout . ' minutes', strtotime('now'));
if ($availableHour <= $currentHour)
{
unset($availableHours[$index]);
}
}
}
$availableHours = array_values($availableHours);
sort($availableHours, SORT_STRING);
$availableHours = array_values($availableHours);
$this->output
->set_content_type('application/json')
->set_output(json_encode($availableHours));
}
catch (\Exception $exception)
{
@ -313,28 +334,6 @@ class Availabilities extends API_V1_Controller {
}
}
// If the selected date is today, remove past hours. It is important include the timeout before
// booking that is set in the back-office the system. Normally we might want the customer to book
// an appointment that is at least half or one hour from now. The setting is stored in minutes.
if (date('m/d/Y', strtotime($selected_date)) === date('m/d/Y'))
{
$book_advance_timeout = $this->settings_model->get_setting('book_advance_timeout');
foreach ($available_hours as $index => $value)
{
$available_hour = strtotime($value);
$current_hour = strtotime('+' . $book_advance_timeout . ' minutes', strtotime('now'));
if ($available_hour <= $current_hour)
{
unset($available_hours[$index]);
}
}
}
$available_hours = array_values($available_hours);
sort($available_hours, SORT_STRING);
$available_hours = array_values($available_hours);
return $available_hours;
}
@ -343,36 +342,189 @@ class Availabilities extends API_V1_Controller {
*
* This method will add the extra appointment hours whenever a service accepts multiple attendants.
*
* @param array $available_hours The previously calculated appointment hours.
* @param int $attendants_number Service attendants number.
* @param int $service_id Selected service ID.
* @param string $selected_date The selected appointment date.
* @param array $service Selected service data.
* @param array $provider Selected provider data.
*
* @return array Retunrs the available hours array.
*/
protected function _getMultipleAttendantsHours(
&$available_hours,
$attendants_number,
$service_id,
$selected_date
$selected_date,
$service,
$provider
) {
$this->load->model('appointments_model');
$this->load->model('services_model');
$this->load->model('providers_model');
$appointments = $this->appointments_model->get_batch(
'id_services = ' . $this->db->escape($service_id) . ' AND DATE(start_datetime) = DATE('
. $this->db->escape(date('Y-m-d', strtotime($selected_date))) . ')');
$unavailabilities = $this->appointments_model->get_batch([
'is_unavailable' => TRUE,
'DATE(start_datetime)' => $selected_date,
'id_users_provider' => $provider['id']
]);
foreach ($appointments as $appointment)
$working_plan = json_decode($provider['settings']['working_plan'], TRUE);
$working_day = strtolower(date('l', strtotime($selected_date)));
$working_hours = $working_plan[$working_day];
$periods = [
[
'start' => new DateTime($selected_date . ' ' . $working_hours['start']),
'end' => new DateTime($selected_date . ' ' . $working_hours['end'])
]
];
$periods = $this->_removeBreaks($selected_date, $periods, $working_hours['breaks']);
$periods = $this->_removeUnavailabilities($periods, $unavailabilities);
$hours = [];
$interval_value = $service['availabilities_type'] == AVAILABILITIES_TYPE_FIXED ? $service['duration'] : '15';
$interval = new DateInterval('PT' . (int)$interval_value . 'M');
$duration = new DateInterval('PT' . (int)$service['duration'] . 'M');
foreach ($periods as $period)
{
$hour = date('H:i', strtotime($appointment['start_datetime']));
$current_attendants_number = $this->appointments_model->appointment_count_for_hour($service_id,
$selected_date, $hour);
if ($current_attendants_number < $attendants_number && ! in_array($hour, $available_hours))
$slot_start = clone $period['start'];
$slot_end = clone $slot_start;
$slot_end->add($duration);
while ($slot_end <= $period['end'])
{
$available_hours[] = $hour;
// Check reserved attendants for this time slot and see if current attendants fit.
$appointment_attendants_number = $this->appointments_model->get_attendants_number_for_period($slot_start,
$slot_end, $service['id']);
if ($appointment_attendants_number < $service['attendants_number'])
{
$hours[] = $slot_start->format('H:i');
}
$slot_start->add($interval);
$slot_end->add($interval);
}
}
$available_hours = array_values($available_hours);
sort($available_hours, SORT_STRING);
$available_hours = array_values($available_hours);
return $hours;
}
/**
* Remove breaks from available time periods.
*
* @param string $selected_date Selected data (Y-m-d format).
* @param array $periods Time periods of the current date.
* @param array $breaks Breaks array for the current date.
*
* @return array Returns the available time periods without the breaks.
*/
public function _removeBreaks($selected_date, $periods, $breaks)
{
if ( ! $breaks)
{
return $periods;
}
foreach ($breaks as $break)
{
$break_start = new DateTime($selected_date . ' ' . $break['start']);
$break_end = new DateTime($selected_date . ' ' . $break['end']);
foreach ($periods as &$period)
{
$period_start = $period['start'];
$period_end = $period['end'];
if ($break_start <= $period_start && $break_end >= $period_start && $break_end <= $period_end)
{
// left
$period['start'] = $break_end;
continue;
}
if ($break_start >= $period_start && $break_start <= $period_end && $break_end >= $period_start && $break_end <= $period_end)
{
// middle
$period['end'] = $break_start;
$periods[] = [
'start' => $break_end,
'end' => $period_end
];
continue;
}
if ($break_start >= $period_start && $break_start <= $period_end && $break_end >= $period_end)
{
// right
$period['end'] = $break_start;
continue;
}
if ($break_start <= $period_start && $break_end >= $period_end)
{
// break contains period
$period['start'] = $break_end;
continue;
}
}
}
return $periods;
}
/**
* Remove the unavailabilities from the available time periods of the selected date.
*
* @param array $periods Available time periods.
* @param array $unavailabilities Unavailabilities of the current date.
*
* @return array Returns the available time periods without the unavailabilities.
*/
public function _removeUnavailabilities($periods, $unavailabilities)
{
foreach ($unavailabilities as $unavailability)
{
$unavailability_start = new DateTime($unavailability['start_datetime']);
$unavailability_end = new DateTime($unavailability['end_datetime']);
foreach ($periods as &$period)
{
$period_start = $period['start'];
$period_end = $period['end'];
if ($unavailability_start <= $period_start && $unavailability_end >= $period_start && $unavailability_end <= $period_end)
{
// left
$period['start'] = $unavailability_end;
continue;
}
if ($unavailability_start >= $period_start && $unavailability_start <= $period_end && $unavailability_end >= $period_start && $unavailability_end <= $period_end)
{
// middle
$period['end'] = $unavailability_start;
$periods[] = [
'start' => $unavailability_end,
'end' => $period_end
];
continue;
}
if ($unavailability_start >= $period_start && $unavailability_start <= $period_end && $unavailability_end >= $period_end)
{
// right
$period['end'] = $unavailability_start;
continue;
}
if ($unavailability_start <= $period_start && $unavailability_end >= $period_end)
{
// Unavaibility contains period
$period['start'] = $unavailability_end;
continue;
}
}
}
return $periods;
}
}