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The availability generation algorithm needs performance improvements when many appointments are stored in the system (#1171).

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alextselegidis 2021-11-17 18:10:06 +01:00
parent f7b2e60f95
commit af42c7c532
1 changed files with 12 additions and 7 deletions
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19
application/libraries/Availability.php
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@ -54,14 +54,16 @@ class Availability {
*/
public function get_available_hours(string $date, array $service, array $provider, int $exclude_appointment_id = NULL): array
{
$available_periods = $this->get_available_periods($date, $provider, $exclude_appointment_id);
$available_hours = $this->generate_available_hours($date, $service, $available_periods);
if ($service['attendants_number'] > 1)
{
$available_hours = $this->consider_multiple_attendants($date, $service, $provider, $exclude_appointment_id);
}
else
{
$available_periods = $this->get_available_periods($date, $provider, $exclude_appointment_id);
$available_hours = $this->generate_available_hours($date, $service, $available_periods);
}
return $this->consider_book_advance_timeout($date, $available_hours, $provider);
}
@ -89,9 +91,12 @@ class Availability {
// Get the provider's working plan exceptions.
$working_plan_exceptions = json_decode($provider['settings']['working_plan_exceptions'], TRUE);
$where = [
'id_users_provider' => $provider['id'],
];
$escaped_provider_id = $this->CI->db->escape($provider['id']);
$escaped_date = $this->CI->db->escape($date);
$where = 'id_users_provider = ' . $escaped_provider_id
. ' AND DATE(start_datetime) <= ' . $escaped_date . ' AND DATE(end_datetime) >= ' . $escaped_date;
// Sometimes it might be necessary to exclude an appointment from the calculation (e.g. when editing an
// existing appointment).