public function rules()
{
// NOTE: you should only define rules for those attributes that
// will receive user inputs.
return array(array('eye_id, left_no_treatment, right_no_treatment, left_no_treatment_reason_id, right_no_treatment_reason_id,
left_no_treatment_reason_other, right_no_treatment_reason_other, left_diagnosis1_id,
right_diagnosis1_id, left_diagnosis2_id, right_diagnosis2_id, left_comments, right_comments,
left_treatment_id, right_treatment_id', 'safe'), array('left_no_treatment', 'requiredIfSide', 'side' => 'left'), array('right_no_treatment', 'requiredIfSide', 'side' => 'right'), array('left_no_treatment_reason_id', 'requiredIfNoTreatment', 'side' => 'left'), array('right_no_treatment_reason_id', 'requiredIfNoTreatment', 'side' => 'right'), array('left_no_treatment_reason_other', 'requiredIfNoTreatmentOther', 'side' => 'left'), array('right_no_treatment_reason_other', 'requiredIfNoTreatmentOther', 'side' => 'right'), array('left_diagnosis1_id', 'requiredIfTreatment', 'side' => 'left'), array('right_diagnosis1_id', 'requiredIfTreatment', 'side' => 'right'), array('left_diagnosis2_id', 'requiredIfSecondary', 'side' => 'left', 'dependent' => 'left_diagnosis1_id'), array('right_diagnosis2_id', 'requiredIfSecondary', 'side' => 'right', 'dependent' => 'right_diagnosis1_id'), array('left_answers', 'answerValidation', 'side' => 'left'), array('right_answers', 'answerValidation', 'side' => 'right'), array('left_treatment_id', 'ifInjectionInstalled', 'side' => 'left', 'check' => 'requiredIfTreatment'), array('right_treatment_id', 'ifInjectionInstalled', 'side' => 'right', 'check' => 'requiredIfTreatment'), array('id, event_id, eye_id, left_no_treatment, right_no_treatment, left_no_treatment_reason_id, right_no_treatment_reason_id,
left_no_treatment_reason_other, right_no_treatment_reason_other, left_diagnosis_id, right_diagnosis_id,' . 'left_diagnosis2_id, right_diagnosis2_id, left_comments, right_comments', 'safe', 'on' => 'search'));
}