OEModule\OphCiExamination\models\Element_OphCiExamination_ColourVision::updateReadings PHP Method

    public function updateReadings($side, $readings)
    {
        $curr_by_id = array();
        $save = array();
        foreach ($this->readings as $r) {
            if ($r->eye_id == $side) {
                $curr_by_id[$r->method->id] = $r;
            }
        }
        foreach ($readings as $reading) {
            if (!($method_id = $reading['method_id'])) {
                $method_id = OphCiExamination_ColourVision_Value::model()->findByPk($reading['value_id'])->method->id;
            }
            if (!array_key_exists($method_id, $curr_by_id)) {
                $obj = new OphCiExamination_ColourVision_Reading();
            } else {
                $obj = $curr_by_id[$method_id];
                unset($curr_by_id[$method_id]);
            }
            $obj->attributes = $reading;
            $obj->element_id = $this->id;
            $obj->eye_id = $side;
            $save[] = $obj;
        }
        foreach ($save as $s) {
            if (!$s->save()) {
                throw new \Exception('unable to save reading:' . print_r($s->getErrors(), true));
            }
        }
        foreach ($curr_by_id as $curr) {
            if (!$curr->delete()) {
                throw new \Exception('unable to delete reading:' . print_r($curr->getErrors(), true));
            }
        }
    }