/**
* @param Patient $patient
* @param array $exclude
*
* @return array|CActiveRecord[]|mixed|null
*/
public function getPrescriptionItemsForPatient(Patient $patient, $exclude = array())
{
$prescriptionCriteria = new CDbCriteria(array('order' => 'event_date DESC'));
$prescriptionCriteria->addCondition('episode.patient_id = :id');
$prescriptionCriteria->addNotInCondition('t.id', $exclude);
$prescriptionCriteria->params = array_merge($prescriptionCriteria->params, array(':id' => $patient->id));
$prescriptionItems = OphDrPrescription_Item::model()->with('prescription', 'drug', 'duration', 'prescription.event', 'prescription.event.episode')->findAll($prescriptionCriteria);
return $prescriptionItems;
}
/**
* Create and save appropriate Element_OphDrPrescription_Item and Element_OphDrPrescription_Item_Taper
* models for this prescription based on the $items structure passed in.
*
* This instance must have been saved already.
*
* @param array() $items
*
* @throws Exception
*/
public function updateItems($items)
{
$itemCount = count($items);
if ($itemCount == 0) {
throw new Exception('Item cannot be blank.');
} else {
if (!$this->id) {
throw new Exception('Cannot call updateItems on unsaved instance.');
}
// Get a list of ids so we can keep track of what's been removed
$existing_item_ids = array();
$existing_taper_ids = array();
// can't rely on relation, as this will have been set already
foreach (OphDrPrescription_Item::model()->findAll('prescription_id = :pid', array(':pid' => $this->id)) as $item) {
$existing_item_ids[$item->id] = $item->id;
foreach ($item->tapers as $taper) {
$existing_taper_ids[$taper->id] = $taper->id;
}
}
// Process (any) posted prescription items
foreach ($items as $item) {
if (isset($item['id']) && isset($existing_item_ids[$item['id']])) {
// Item is being updated
$item_model = OphDrPrescription_Item::model()->findByPk($item['id']);
unset($existing_item_ids[$item['id']]);
} else {
// Item is new
$item_model = new OphDrPrescription_Item();
$item_model->prescription_id = $this->id;
$item_model->drug_id = $item['drug_id'];
}
// Save main item attributes
$item_model->dose = $item['dose'];
$item_model->route_id = $item['route_id'];
if (isset($item['route_option_id'])) {
$item_model->route_option_id = $item['route_option_id'];
} else {
$item_model->route_option_id = null;
}
$item_model->frequency_id = $item['frequency_id'];
$item_model->duration_id = $item['duration_id'];
if (isset($item['continue_by_gp'])) {
$item_model->continue_by_gp = $item['continue_by_gp'];
} else {
$item_model->continue_by_gp = 0;
}
$item_model->save();
// Tapering
$new_tapers = isset($item['taper']) ? $item['taper'] : array();
foreach ($new_tapers as $taper) {
if (isset($taper['id']) && isset($existing_taper_ids[$taper['id']])) {
// Taper is being updated
$taper_model = OphDrPrescription_ItemTaper::model()->findByPk($taper['id']);
unset($existing_taper_ids[$taper['id']]);
} else {
// Taper is new
$taper_model = new OphDrPrescription_ItemTaper();
$taper_model->item_id = $item_model->id;
}
$taper_model->dose = $taper['dose'];
$taper_model->frequency_id = $taper['frequency_id'];
$taper_model->duration_id = $taper['duration_id'];
$taper_model->save();
}
}
// Delete remaining (removed) ids
OphDrPrescription_ItemTaper::model()->deleteByPk(array_values($existing_taper_ids));
OphDrPrescription_Item::model()->deleteByPk(array_values($existing_item_ids));
}
}
/**
* Render the form for a OphDrPrescription_Item, DrugSetItem or Drug (by id).
*
* @param $key
* @param OphDrPrescription_Item|DrugSetItem|int $source
*
* @throws CException
*/
public function renderPrescriptionItem($key, $source)
{
$item = new OphDrPrescription_Item();
if (is_a($source, 'OphDrPrescription_Item')) {
// Source is a prescription item, so we should clone it
foreach (array('drug_id', 'duration_id', 'frequency_id', 'dose', 'route_option_id', 'route_id', 'continue_by_gp') as $field) {
$item->{$field} = $source->{$field};
}
if ($source->tapers) {
$tapers = array();
foreach ($source->tapers as $taper) {
$taper_model = new OphDrPrescription_ItemTaper();
$taper_model->dose = $taper->dose;
$taper_model->frequency_id = $taper->frequency_id;
$taper_model->duration_id = $taper->duration_id;
$tapers[] = $taper_model;
}
$item->tapers = $tapers;
}
} else {
if (is_a($source, 'DrugSetItem')) {
// Source is an drug set item which contains frequency and duration data
$item->drug_id = $source->drug_id;
$item->loadDefaults();
foreach (array('duration_id', 'frequency_id', 'dose') as $field) {
if ($source->{$field}) {
$item->{$field} = $source->{$field};
}
}
if ($source->tapers) {
$tapers = array();
foreach ($source->tapers as $taper) {
$taper_model = new OphDrPrescription_ItemTaper();
foreach (array('duration_id', 'frequency_id', 'dose') as $field) {
if ($taper->{$field}) {
$taper_model->{$field} = $taper->{$field};
} else {
$taper_model->{$field} = $item->{$field};
}
}
$tapers[] = $taper_model;
}
$item->tapers = $tapers;
}
} elseif (is_int($source) || (int) $source) {
// Source is an integer, so we use it as a drug_id
$item->drug_id = $source;
$item->loadDefaults();
} else {
throw new CException('Invalid prescription item source: ' . print_r($source));
}
// Populate route option from episode for Eye
if ($episode = $this->episode) {
if ($principal_eye = $episode->eye) {
$route_option_id = DrugRouteOption::model()->find('name = :eye_name', array(':eye_name' => $principal_eye->name));
$item->route_option_id = $route_option_id ? $route_option_id : null;
}
//check operation note eye and use instead of original diagnosis
if ($api = Yii::app()->moduleAPI->get('OphTrOperationnote')) {
if ($apieye = $api->getLastEye($this->patient)) {
$item->route_option_id = $apieye;
}
}
}
}
if (isset($this->patient)) {
$this->renderPartial('/default/form_Element_OphDrPrescription_Details_Item', array('key' => $key, 'item' => $item, 'patient' => $this->patient));
} else {
$output = $this->renderPartial('/default/form_Element_OphDrPrescription_Details_Item', array('key' => $key, 'item' => $item), true);
return $output;
}
}