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use failure::{Error, ResultExt};
use reqwest::header::{self, HeaderValue};
use reqwest::{Client, Method, RequestBuilder};
use std::borrow::Cow;
static API_BASE: &str = "https://api.github.com/";
static TOKEN_VAR: &str = "GITHUB_TOKEN";
#[derive(serde::Deserialize)]
pub(crate) struct User {
pub(crate) login: String,
pub(crate) name: Option<String>,
pub(crate) email: Option<String>,
}
pub(crate) struct GitHubApi {
http: Client,
token: String,
}
impl GitHubApi {
pub(crate) fn new() -> Result<Self, Error> {
let token = std::env::var(TOKEN_VAR)
.with_context(|_| format!("missing environment variable {}", TOKEN_VAR))?;
Ok(GitHubApi {
http: Client::new(),
token: token.to_string(),
})
}
fn prepare(&self, method: Method, url: &str) -> Result<RequestBuilder, Error> {
let url = if url.starts_with("https://") {
Cow::Borrowed(url)
} else {
Cow::Owned(format!("{}{}", API_BASE, url))
};
Ok(self.http.request(method, url.as_ref()).header(
header::AUTHORIZATION,
HeaderValue::from_str(&format!("token {}", self.token))?,
))
}
pub(crate) fn user(&self, login: &str) -> Result<User, Error> {
Ok(self
.prepare(Method::GET, &format!("users/{}", login))?
.send()?
.error_for_status()?
.json()?)
}
}
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