1 files changed, 50 insertions, 0 deletions
diff --git a/src/github.rs b/src/github.rs
new file mode 100644
index 0000000..9a62994
--- /dev/null
+++ b/src/github.rs
@@ -0,0 +1,50 @@
+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()?)
+    }
+}