public function addDiagnosis($disorder_id, $eye_id = false, $date = false)
{
if (!$date) {
$date = date('Y-m-d');
}
if (!($disorder = Disorder::model()->findByPk($disorder_id))) {
throw new Exception('Disorder not found: ' . $disorder_id);
}
if ($disorder->specialty_id) {
$type = strtolower(Specialty::model()->findByPk($disorder->specialty_id)->code);
} else {
$type = 'sys';
}
if (!($sd = SecondaryDiagnosis::model()->find('patient_id=? and disorder_id=? and eye_id=? and date=?', array($this->id, $disorder_id, $eye_id, $date)))) {
$action = "add-diagnosis-{$type}";
$sd = new SecondaryDiagnosis();
$sd->patient_id = $this->id;
$sd->disorder_id = $disorder_id;
$sd->eye_id = $eye_id;
$sd->date = $date;
if (!$sd->save()) {
throw new Exception('Unable to save secondary diagnosis: ' . print_r($sd->getErrors(), true));
}
$this->audit('patient', $action);
}
}
/**
* if a secondary diagnosis disorder id has been set, we need to ensure its created on the patient.
*
* @see parent::beforeSave()
*/
public function beforeSave()
{
$curr_sd = $this->_getSecondaryDiagnosis();
if ($this->secondarydiagnosis_disorder_id && $curr_sd && $curr_sd->disorder_id != $this->secondarydiagnosis_disorder_id) {
// looks like this is an edit and the previous secondary diagnosis should be removed
// so we can set the correct value
$curr_disorder = $curr_sd->disorder;
$curr_sd->delete();
$curr_sd = null;
Yii::app()->user->setFlash('warning.alert', "Disorder '" . $curr_disorder->term . "' has been removed because DR Grading diagnosis was updated.");
}
if (!$curr_sd) {
// need to determine if we are setting a specific disorder on the patient, or a generic diabetes
// diagnosis (which is implied by recording DR)
$patient = $this->event->episode->patient;
$sd = null;
if ($this->secondarydiagnosis_disorder_id) {
// no secondary diagnosis has been set by this element yet but one has been
// assigned (i.e. the element is being created with a diabetes type)
// final check to ensure nothing has changed whilst processing
if (!$patient->hasDisorderTypeByIds(array_merge(\Disorder::$SNOMED_DIABETES_TYPE_I_SET, \Disorder::$SNOMED_DIABETES_TYPE_II_SET))) {
$sd = new \SecondaryDiagnosis();
$sd->patient_id = $patient->id;
$sd->disorder_id = $this->secondarydiagnosis_disorder_id;
} else {
// clear out the secondarydiagnosis_disorder_id
$this->secondarydiagnosis_disorder_id = null;
// reset required flag as patient now has a diabetes type
$this->secondarydiagnosis_disorder_required = false;
}
} elseif (!$patient->hasDisorderTypeByIds(\Disorder::$SNOMED_DIABETES_SET)) {
// Set the patient to have diabetes
$sd = new \SecondaryDiagnosis();
$sd->patient_id = $patient->id;
$sd->disorder_id = \Disorder::SNOMED_DIABETES;
}
if ($sd !== null) {
$sd->save();
\Audit::add('SecondaryDiagnosis', 'add', $sd->id, null, array('patient_id' => $patient->id));
$this->secondarydiagnosis_id = $sd->id;
Yii::app()->user->setFlash('info.info', "Disorder '" . $sd->disorder->term . "' has been added to patient by DR Grading.");
}
}
return parent::beforeSave();
}
