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#[derive(Debug)]
pub(crate) struct ApiResponse<T: serde::de::DeserializeOwned>(
pub std::result::Result<T, std::collections::HashMap<String, String>>,
);
#[derive(serde_derive::Deserialize)]
struct A<T> {
pub success: bool,
pub result: Option<T>,
pub error: Option<std::collections::HashMap<String, String>>,
}
impl<'de, T> serde::de::Deserialize<'de> for ApiResponse<T>
where
T: serde::de::DeserializeOwned,
{
fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
where
D: serde::de::Deserializer<'de>,
{
let a = A::deserialize(deserializer)?;
if a.success {
match a.result {
Some(v) => Ok(ApiResponse(Ok(v))),
None => Err(serde::de::Error::custom(
"success is true but result is None",
)),
}
} else {
match a.error {
Some(v) => Ok(ApiResponse(Err(v))),
None => Err(serde::de::Error::custom(
"success is false but error is None",
)),
}
}
}
}
pub fn never_expected<'de, D, T>(_deserializer: D) -> std::result::Result<T, D::Error>
where
D: serde::de::Deserializer<'de>,
{
unreachable!("must never happen")
}
#[derive(Debug, thiserror::Error, serde_derive::Deserialize)]
pub enum Error {
#[serde(deserialize_with = "never_expected")]
#[error("HttpError: {}", _0)]
HttpError(reqwest::Error),
#[error("UnexpectedResponse: {code:?} {body:?}")]
UnexpectedResponse {
body: String,
code: u16,
},
#[error("PageNotFound: {}", _0)]
PageNotFound(String),
#[error("FieldError: {:?}", _0)]
FieldError(std::collections::HashMap<String, String>),
#[serde(deserialize_with = "never_expected")]
#[error("DeserializeError: {:?}", _0)]
DeserializeError(reqwest::Error),
#[serde(deserialize_with = "never_expected")]
#[error("SerializeError: {:?}", _0)]
SerializeError(serde_json::Error),
#[serde(deserialize_with = "never_expected")]
#[error("UrlParseError: {:?}", _0)]
UrlParseError(url::ParseError),
#[serde(deserialize_with = "never_expected")]
#[error("SerdeDeserializeError: {:?}", _0)]
SerdeDeserializeError(serde_json::Error),
}
pub type Result<T> = std::result::Result<T, Error>;
impl From<url::ParseError> for Error {
fn from(e: url::ParseError) -> Self {
Self::UrlParseError(e)
}
}