use std::fmt;
use serde::{de, Deserialize, ser, Serialize};
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum NutrientAdministrationMethodCode {
Gravity,
Pump,
Syringe,
}
impl NutrientAdministrationMethodCode {
pub fn code(&self) -> &str {
{
use NutrientAdministrationMethodCode::*;
match self {
Gravity => "G",
Pump => "P",
Syringe => "S",
}
}
}
pub fn from_code(code: &[u8]) -> Option<NutrientAdministrationMethodCode> {
use NutrientAdministrationMethodCode::*;
match code {
b"G" => Some(Gravity),
b"P" => Some(Pump),
b"S" => Some(Syringe),
_ => None,
}
}
fn description(&self) -> &str {
use NutrientAdministrationMethodCode::*;
match self {
Gravity => "Gravity",
Pump => "Pump",
Syringe => "Syringe",
}
}
fn from_description(description: &str) -> Option<NutrientAdministrationMethodCode> {
{
use NutrientAdministrationMethodCode::*;
match description {
"Gravity" => Some(Gravity),
"Pump" => Some(Pump),
"Syringe" => Some(Syringe),
_ => None,
}
}
}
}
impl Serialize for NutrientAdministrationMethodCode {
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 = NutrientAdministrationMethodCode;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("Nutrient Administration Method Code")
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
NutrientAdministrationMethodCode::from_description(v)
.ok_or_else(|| E::custom(
format!("Invalid Nutrient Administration Method Code: {}", v),
))
}
fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>
where
E: de::Error,
{
NutrientAdministrationMethodCode::from_code(v)
.ok_or_else(|| E::custom(
format!(
"Invalid Nutrient Administration Method Code: {}",
std::str::from_utf8(v).unwrap()
),
))
}
}
impl<'de> Deserialize<'de> for NutrientAdministrationMethodCode {
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)
}
}
}