use std::fmt;
use serde::{de, Deserialize, ser, Serialize};
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum PrescriptionDenialOverrideCode {
NotSpecified,
NoOverride,
OtherOverride,
VacationSupply,
LostPrescription,
TherapyChange,
StarterDose,
MedicallyNecessary,
}
impl PrescriptionDenialOverrideCode {
pub fn code(&self) -> &str {
{
use PrescriptionDenialOverrideCode::*;
match self {
NotSpecified => "00",
NoOverride => "01",
OtherOverride => "02",
VacationSupply => "03",
LostPrescription => "04",
TherapyChange => "05",
StarterDose => "06",
MedicallyNecessary => "07",
}
}
}
pub fn from_code(code: &[u8]) -> Option<PrescriptionDenialOverrideCode> {
use PrescriptionDenialOverrideCode::*;
match code {
b"00" => Some(NotSpecified),
b"01" => Some(NoOverride),
b"02" => Some(OtherOverride),
b"03" => Some(VacationSupply),
b"04" => Some(LostPrescription),
b"05" => Some(TherapyChange),
b"06" => Some(StarterDose),
b"07" => Some(MedicallyNecessary),
_ => None,
}
}
fn description(&self) -> &str {
use PrescriptionDenialOverrideCode::*;
match self {
NotSpecified => "Not specified",
NoOverride => "No override",
OtherOverride => "Other override",
VacationSupply => "Vacation Supply",
LostPrescription => "Lost Prescription",
TherapyChange => "Therapy Change",
StarterDose => "Starter Dose",
MedicallyNecessary => "Medically Necessary",
}
}
fn from_description(description: &str) -> Option<PrescriptionDenialOverrideCode> {
{
use PrescriptionDenialOverrideCode::*;
match description {
"Not specified" => Some(NotSpecified),
"No override" => Some(NoOverride),
"Other override" => Some(OtherOverride),
"Vacation Supply" => Some(VacationSupply),
"Lost Prescription" => Some(LostPrescription),
"Therapy Change" => Some(TherapyChange),
"Starter Dose" => Some(StarterDose),
"Medically Necessary" => Some(MedicallyNecessary),
_ => None,
}
}
}
}
impl Serialize for PrescriptionDenialOverrideCode {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: ser::Serializer,
{
let value = if serializer.is_human_readable() {
self.description()
} else {
self.code()
};
serializer.serialize_str(value)
}
}
struct Visitor;
impl<'de> de::Visitor<'de> for Visitor {
type Value = PrescriptionDenialOverrideCode;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("Prescription Denial Override Code")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
PrescriptionDenialOverrideCode::from_description(v)
.ok_or_else(|| E::custom(
format!("Invalid Prescription Denial Override Code: {}", v),
))
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: de::Error,
{
PrescriptionDenialOverrideCode::from_code(v)
.ok_or_else(|| E::custom(
format!(
"Invalid Prescription Denial Override Code: {}",
std::str::from_utf8(v).unwrap()
),
))
}
}
impl<'de> Deserialize<'de> for PrescriptionDenialOverrideCode {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: de::Deserializer<'de>,
{
if deserializer.is_human_readable() {
deserializer.deserialize_str(Visitor)
} else {
deserializer.deserialize_bytes(Visitor)
}
}
}