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use crate::query::ResourceComponent;
use crate::response::MessageType;
use failure::{Backtrace, Compat, Context, Fail};
use serde::{de, ser};
use std::{fmt, result};
pub type Result<T> = result::Result<T, Error>;
#[derive(Debug)]
pub struct Error {
ctx: Context<ErrorKind>,
}
impl Fail for Error {
fn cause(&self) -> Option<&dyn Fail> {
self.ctx.cause()
}
fn backtrace(&self) -> Option<&Backtrace> {
self.ctx.backtrace()
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.ctx.fmt(f)
}
}
#[derive(Debug, Fail)]
pub enum ErrorKind {
#[fail(display = "invalid type name: {}", name)]
InvalidTypeName { name: String },
#[fail(
display = "expected response item of type {} but got {}",
expected, got
)]
UnexpectedItem {
expected: MessageType,
got: MessageType,
},
#[fail(display = "{}", msg)]
Config {
msg: String,
},
#[fail(display = "{}", reqwest)]
ReqWest {
reqwest: reqwest::Error,
},
#[fail(
display = "No message found but expected message of type `{}`",
expected
)]
MissingMessage { expected: MessageType },
#[fail(display = "Nothing was found for resource `{}`", resource)]
ResourceNotFound { resource: Box<ResourceComponent> },
#[fail(display = "invalid serde: {}", error)]
Serde { error: serde_json::Error },
}
impl From<ErrorKind> for Error {
fn from(kind: ErrorKind) -> Error {
Error::from(Context::new(kind))
}
}
impl From<Context<ErrorKind>> for Error {
fn from(ctx: Context<ErrorKind>) -> Error {
Error { ctx }
}
}
impl From<serde_json::Error> for Error {
fn from(error: serde_json::Error) -> Error {
ErrorKind::Serde { error }.into()
}
}
impl From<reqwest::Error> for Error {
fn from(reqwest: reqwest::Error) -> Error {
ErrorKind::ReqWest { reqwest }.into()
}
}