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use std::fmt::{Display, Formatter, Result as FmtResult};
use ruma_events_macros::ruma_event;
use serde::{Deserialize, Serialize};
ruma_event! {
CancelEvent {
kind: Event,
event_type: "m.key.verification.cancel",
content: {
pub transaction_id: String,
pub reason: String,
pub code: CancelCode,
},
}
}
#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
#[serde(from = "String", into = "String")]
pub enum CancelCode {
User,
Timeout,
UnknownTransaction,
UnknownMethod,
UnexpectedMessage,
KeyMismatch,
UserMismatch,
InvalidMessage,
Accepted,
Custom(String),
}
impl Display for CancelCode {
fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
let cancel_code_str = match *self {
CancelCode::User => "m.user",
CancelCode::Timeout => "m.timeout",
CancelCode::UnknownTransaction => "m.unknown_transaction",
CancelCode::UnknownMethod => "m.unknown_method",
CancelCode::UnexpectedMessage => "m.unexpected_message",
CancelCode::KeyMismatch => "m.key_mismatch",
CancelCode::UserMismatch => "m.user_mismatch",
CancelCode::InvalidMessage => "m.invalid_message",
CancelCode::Accepted => "m.accepted",
CancelCode::Custom(ref cancel_code) => cancel_code,
};
write!(f, "{}", cancel_code_str)
}
}
impl<T> From<T> for CancelCode
where
T: Into<String> + AsRef<str>,
{
fn from(s: T) -> CancelCode {
match s.as_ref() {
"m.user" => CancelCode::User,
"m.timeout" => CancelCode::Timeout,
"m.unknown_transaction" => CancelCode::UnknownTransaction,
"m.unknown_method" => CancelCode::UnknownMethod,
"m.unexpected_message" => CancelCode::UnexpectedMessage,
"m.key_mismatch" => CancelCode::KeyMismatch,
"m.user_mismatch" => CancelCode::UserMismatch,
"m.invalid_message" => CancelCode::InvalidMessage,
"m.accepted" => CancelCode::Accepted,
_ => CancelCode::Custom(s.into()),
}
}
}
impl From<CancelCode> for String {
fn from(cancel_code: CancelCode) -> String {
cancel_code.to_string()
}
}
#[cfg(test)]
mod tests {
use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
use super::CancelCode;
#[test]
fn cancel_codes_serialize_to_display_form() {
assert_eq!(to_json_value(&CancelCode::User).unwrap(), json!("m.user"));
}
#[test]
fn custom_cancel_codes_serialize_to_display_form() {
assert_eq!(
to_json_value(&CancelCode::Custom("io.ruma.test".to_string())).unwrap(),
json!("io.ruma.test")
);
}
#[test]
fn cancel_codes_deserialize_from_display_form() {
assert_eq!(
from_json_value::<CancelCode>(json!("m.user")).unwrap(),
CancelCode::User
);
}
#[test]
fn custom_cancel_codes_deserialize_from_display_form() {
assert_eq!(
from_json_value::<CancelCode>(json!("io.ruma.test")).unwrap(),
CancelCode::Custom("io.ruma.test".to_string())
)
}
}