use std::fmt;
use serde::{de, Deserialize, ser, Serialize};
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum PriorAuthorizationTypeCode {
NotSpecified,
PriorAuthorization,
MedicalCertification,
Code3,
ExemptFromCopay,
ExemptFromPrescriptionLimits,
FamilyPlanning,
Code7,
}
impl PriorAuthorizationTypeCode {
pub fn code(&self) -> &str {
{
use PriorAuthorizationTypeCode::*;
match self {
NotSpecified => "0",
PriorAuthorization => "1",
MedicalCertification => "2",
Code3 => "3",
ExemptFromCopay => "4",
ExemptFromPrescriptionLimits => "5",
FamilyPlanning => "6",
Code7 => "7",
}
}
}
pub fn from_code(code: &[u8]) -> Option<PriorAuthorizationTypeCode> {
use PriorAuthorizationTypeCode::*;
match code {
b"0" => Some(NotSpecified),
b"1" => Some(PriorAuthorization),
b"2" => Some(MedicalCertification),
b"3" => Some(Code3),
b"4" => Some(ExemptFromCopay),
b"5" => Some(ExemptFromPrescriptionLimits),
b"6" => Some(FamilyPlanning),
b"7" => Some(Code7),
_ => None,
}
}
fn description(&self) -> &str {
use PriorAuthorizationTypeCode::*;
match self {
NotSpecified => "Not Specified",
PriorAuthorization => "Prior Authorization",
MedicalCertification => "Medical Certification",
Code3 => "Early & Periodic Screening, Diagnosis, and Treatment (EPSDT)",
ExemptFromCopay => "Exempt from Copay",
ExemptFromPrescriptionLimits => "Exempt From Prescription Limits",
FamilyPlanning => "Family Planning",
Code7 => "Aid to Families with Dependent Children (AFDC)",
}
}
fn from_description(description: &str) -> Option<PriorAuthorizationTypeCode> {
{
use PriorAuthorizationTypeCode::*;
match description {
"Not Specified" => Some(NotSpecified),
"Prior Authorization" => Some(PriorAuthorization),
"Medical Certification" => Some(MedicalCertification),
"Early & Periodic Screening, Diagnosis, and Treatment (EPSDT)" => {
Some(Code3)
}
"Exempt from Copay" => Some(ExemptFromCopay),
"Exempt From Prescription Limits" => Some(ExemptFromPrescriptionLimits),
"Family Planning" => Some(FamilyPlanning),
"Aid to Families with Dependent Children (AFDC)" => Some(Code7),
_ => None,
}
}
}
}
impl Serialize for PriorAuthorizationTypeCode {
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 = PriorAuthorizationTypeCode;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("Prior Authorization Type Code")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
PriorAuthorizationTypeCode::from_description(v)
.ok_or_else(|| E::custom(
format!("Invalid Prior Authorization Type Code: {}", v),
))
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: de::Error,
{
PriorAuthorizationTypeCode::from_code(v)
.ok_or_else(|| E::custom(
format!(
"Invalid Prior Authorization Type Code: {}", std::str::from_utf8(v)
.unwrap()
),
))
}
}
impl<'de> Deserialize<'de> for PriorAuthorizationTypeCode {
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)
}
}
}