use std::fmt;
use serde::{de, Deserialize, ser, Serialize};
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum CopayStatusCode {
CopayExempt,
RecipientDidNotPayWhenAsked,
RecipientPaidWhenAsked,
PaymentWasNotRequested,
}
impl CopayStatusCode {
pub fn code(&self) -> &str {
{
use CopayStatusCode::*;
match self {
CopayExempt => "0",
RecipientDidNotPayWhenAsked => "1",
RecipientPaidWhenAsked => "2",
PaymentWasNotRequested => "3",
}
}
}
pub fn from_code(code: &[u8]) -> Option<CopayStatusCode> {
use CopayStatusCode::*;
match code {
b"0" => Some(CopayExempt),
b"1" => Some(RecipientDidNotPayWhenAsked),
b"2" => Some(RecipientPaidWhenAsked),
b"3" => Some(PaymentWasNotRequested),
_ => None,
}
}
fn description(&self) -> &str {
use CopayStatusCode::*;
match self {
CopayExempt => "Copay exempt",
RecipientDidNotPayWhenAsked => "Recipient did not pay when asked",
RecipientPaidWhenAsked => "Recipient paid when asked",
PaymentWasNotRequested => "Payment was not requested",
}
}
fn from_description(description: &str) -> Option<CopayStatusCode> {
{
use CopayStatusCode::*;
match description {
"Copay exempt" => Some(CopayExempt),
"Recipient did not pay when asked" => Some(RecipientDidNotPayWhenAsked),
"Recipient paid when asked" => Some(RecipientPaidWhenAsked),
"Payment was not requested" => Some(PaymentWasNotRequested),
_ => None,
}
}
}
}
impl Serialize for CopayStatusCode {
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 = CopayStatusCode;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("Copay Status Code")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
CopayStatusCode::from_description(v)
.ok_or_else(|| E::custom(format!("Invalid Copay Status Code: {}", v)))
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: de::Error,
{
CopayStatusCode::from_code(v)
.ok_or_else(|| E::custom(
format!("Invalid Copay Status Code: {}", std::str::from_utf8(v).unwrap()),
))
}
}
impl<'de> Deserialize<'de> for CopayStatusCode {
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)
}
}
}