/**
* @expectedException Exception
* @expectedExceptionMessage Measurement references cannot reference both an episode and an event
*/
public function testEpisodeIdAndEventIdSet()
{
$ref = new MeasurementReference();
$ref->patient_measurement_id = $this->pm('height')->id;
$ref->episode_id = 2;
$ref->event_id = 2;
$ref->save();
}
/**
* @expectedException Exception
* @expectedExceptionMessage Origin reference already exists
*/
public function testOriginAlreadyExists()
{
$ref = new MeasurementReference();
$ref->patient_measurement_id = $this->pm('height')->id;
$ref->episode_id = 2;
$ref->origin = true;
$ref->save();
}
/**
* Attach this measurement to an Episode or Event
*
* @param Episode|Event $entity
* @param boolean $origin
* @return MeasurementReference
*/
public function attach($entity, $origin = false)
{
$ref = new MeasurementReference();
$ref->patient_measurement_id = $this->getPatientMeasurement()->id;
$ref->origin = $origin;
if ($entity instanceof Episode) {
$ref->episode_id = $entity->id;
} elseif ($entity instanceof Event) {
$ref->event_id = $entity->id;
} else {
throw new Exception("Can only attach measurements to Episodes or Events, was passed an object of type " . get_class($entity));
}
$ref->save();
return $ref;
}
public function actionImport($importDir, $archiveDir, $errorDir, $dupDir, $interval = 'PT45M', $pasImport = false)
{
$this->importDir = $this->checkSeparator($importDir);
$this->archiveDir = $this->checkSeparator($archiveDir);
$this->errorDir = $this->checkSeparator($errorDir);
$this->dupDir = $this->checkSeparator($dupDir);
$this->interval = $interval;
$fhirMarshal = Yii::app()->fhirMarshal;
$eventType = EventType::model()->find('class_name=:class_name', array(':class_name' => 'OphInVisualfields'));
if (!$eventType) {
echo 'Cannot find OphInVisualfields event type, cannot continue' . PHP_EOL;
die;
}
echo 'Processing FMES files...' . PHP_EOL;
$filenames = glob($this->importDir . '/*.fmes');
echo count($filenames) . " files to process\n";
foreach ($filenames as $file) {
try {
$basename = basename($file);
echo $basename . PHP_EOL;
// First check the file has not already been imported:
$field = file_get_contents($file);
$fieldObject = $fhirMarshal->parseXml($field);
if ($protected_file = ProtectedFile::model()->find('name=:name', array(':name' => $fieldObject->file_reference))) {
echo '- ProtectedFile exists (' . $protected_file->id . ')' . PHP_EOL;
$this->move($this->dupDir, $file);
continue;
}
// Extract the patient number
$matches = array();
preg_match('/__OE_PATIENT_ID_([0-9]*)__/', $field, $matches);
if (count($matches) < 2) {
echo '- Failed to extract patient ID' . PHP_EOL;
$this->move($this->errorDir, $file);
continue;
}
$match = str_pad($matches[1], 7, '0', STR_PAD_LEFT);
// Fetch the patient
if ($pasImport) {
$model = new Patient(null);
$model->hos_num = $match;
$results = $model->search()->getData();
$patient = reset($results);
} else {
$patient = Patient::model()->find('hos_num=:hos_num', array(':hos_num' => $match));
}
if (!$patient) {
echo "- Failed to find patient ({$match})" . PHP_EOL;
$this->move($this->errorDir, $file);
continue;
}
$pid = $patient->id;
$field = preg_replace('/__OE_PATIENT_ID_([0-9]*)__/', $pid, $field);
// Convert to measurement
$resource_type = 'MeasurementVisualFieldHumphrey';
$service = Yii::app()->service->getService($resource_type);
$fieldObject = $fhirMarshal->parseXml($field);
$tx = Yii::app()->db->beginTransaction();
$ref = $service->fhirCreate($fieldObject);
$tx->commit();
$refId = $ref->getId();
$measurement = OphInVisualfields_Field_Measurement::model()->findByPk($refId);
$study_datetime = $measurement->study_datetime;
// Check for existing legacy events
if (!($episode = Episode::model()->find('legacy = 1 AND patient_id = :patient_id', array(':patient_id' => $pid)))) {
echo '- No legacy episode found, creating...';
$episode = new Episode();
$episode->legacy = 1;
$episode->patient_id = $pid;
$episode->save();
echo 'done' . PHP_EOL;
// As there are no previous legacy events, we can create a new event
$this->newEvent($episode, $eventType, $measurement);
$this->move($this->archiveDir, $file);
} else {
// There is a legacy episode, so there may be unmatched legacy field events
$criteria = new CdbCriteria();
$criteria->condition = 'event_type_id = :event_type_id and t.deleted = 0 and ep.deleted = 0 and ep.legacy = 1 and ep.patient_id = :patient_id';
$criteria->join = 'join episode ep on ep.id = t.episode_id';
$criteria->order = 't.event_date desc';
$criteria->params = array(':patient_id' => $pid, ':event_type_id' => $eventType->id);
if ($this->interval) {
// we're looking for all events that are bound to a legacy episode,
// for the given patient, looking for the last created test -
// this accounts for multiple tests per eye - the implication
// being that the newest test overrides the last test for the same eye
// (e.g. when a mistake is made and the test is re-ran):
// Base time on interval defined by user, a narrow time slot that the test falls within
$startCreatedTime = new DateTime($study_datetime);
$endCreatedTime = new DateTime($study_datetime);
$startCreatedTime->sub(new DateInterval($this->interval));
$endCreatedTime->add(new DateInterval($this->interval));
$criteria->condition .= ' AND t.event_date >= STR_TO_DATE("' . $startCreatedTime->format('Y-m-d H:i:s') . '", "%Y-%m-%d %H:%i:%s") AND t.event_date <= STR_TO_DATE("' . $endCreatedTime->format('Y-m-d H:i:s') . '", "%Y-%m-%d %H:%i:%s")';
}
// Of events, there can only be one or none:
// FIXME: This can return multiple events, so how do we choose?
$events = Event::model()->findAll($criteria);
if (count($events) == 1) {
echo '- Found existing event (' . $events[0]->id . ')' . PHP_EOL;
$element = Element_OphInVisualfields_Image::model()->find('event_id = :event_id', array(':event_id' => $events[0]->id));
$side = strtolower($measurement->eye->name);
if ($existing = $element->{"{$side}_field"}) {
if ($measurement->study_datetime > $existing->study_datetime) {
echo "Newer than existing measurement on {$side}, overwriting\n";
$element->{"{$side}_field_id"} = $measurement->id;
$unattached = $existing;
} else {
echo "Older than existing measurement on {$side}, ignoring\n";
$unattached = $measurement;
}
// Add dummy reference for the unattached measurement
$ref = new MeasurementReference();
$ref->patient_measurement_id = $unattached->getPatientMeasurement()->id;
$ref->save();
} else {
echo "No existing measurement on {$side}, adding\n";
$element->{"{$side}_field_id"} = $measurement->id;
}
$element->save();
$this->move($this->archiveDir, $file);
} elseif (count($events) > 1) {
echo '- Found more than one matching event, cannot attach' . PHP_EOL;
$this->move($this->errorDir, $file);
} else {
// No events in match window, so we create a new one
$this->newEvent($episode, $eventType, $measurement);
$this->move($this->archiveDir, $file);
}
}
} catch (Exception $ex) {
echo $ex . PHP_EOL;
if (@$tx && $tx->active) {
echo '- rolling back tx' . PHP_EOL;
$tx->rollback();
}
$this->move($this->errorDir, $file);
}
}
}