Create APIs for inviting users.

1 files changed, 94 insertions, 0 deletions

diff --git a/src/invite/routes.rs b/src/invite/routes.rs
new file mode 100644
index 0000000..3384e10
--- /dev/null
+++ b/src/invite/routes.rs
@@ -0,0 +1,94 @@
+use axum::{
+    extract::{Json, Path, State},
+    http::StatusCode,
+    response::{IntoResponse, Response},
+    routing::{get, post},
+    Router,
+};
+
+use super::{app, Id, Invite, Summary};
+use crate::{
+    app::App,
+    clock::RequestedAt,
+    error::{Internal, NotFound},
+    login::{Login, Password},
+    token::extract::IdentityToken,
+};
+
+pub fn router() -> Router<App> {
+    Router::new()
+        .route("/api/invite", post(on_invite))
+        .route("/api/invite/:invite", get(invite))
+        .route("/api/invite/:invite", post(on_accept))
+}
+
+#[derive(serde::Deserialize)]
+struct InviteRequest {}
+
+async fn on_invite(
+    State(app): State<App>,
+    RequestedAt(issued_at): RequestedAt,
+    login: Login,
+    // Require `{}` as the only valid request for this endpoint.
+    _: Json<InviteRequest>,
+) -> Result<Json<Invite>, Internal> {
+    let invite = app.invites().create(&login, &issued_at).await?;
+    Ok(Json(invite))
+}
+
+async fn invite(
+    State(app): State<App>,
+    Path(invite): Path<Id>,
+) -> Result<Json<Summary>, InviteError> {
+    app.invites()
+        .get(&invite)
+        .await
+        .map(Json)
+        .map_err(InviteError)
+}
+
+struct InviteError(app::Error);
+
+impl IntoResponse for InviteError {
+    fn into_response(self) -> Response {
+        let Self(error) = self;
+        match error {
+            error @ app::Error::NotFound(_) => NotFound(error).into_response(),
+            other => Internal::from(other).into_response(),
+        }
+    }
+}
+
+#[derive(serde::Deserialize)]
+struct AcceptRequest {
+    name: String,
+    password: Password,
+}
+
+async fn on_accept(
+    State(app): State<App>,
+    RequestedAt(accepted_at): RequestedAt,
+    identity: IdentityToken,
+    Path(invite): Path<Id>,
+    Json(request): Json<AcceptRequest>,
+) -> Result<(IdentityToken, StatusCode), AcceptError> {
+    let secret = app
+        .invites()
+        .accept(&invite, &request.name, &request.password, &accepted_at)
+        .await
+        .map_err(AcceptError)?;
+    let identity = identity.set(secret);
+    Ok((identity, StatusCode::NO_CONTENT))
+}
+
+struct AcceptError(app::AcceptError);
+
+impl IntoResponse for AcceptError {
+    fn into_response(self) -> Response {
+        let Self(error) = self;
+        match error {
+            error @ app::AcceptError::NotFound(_) => NotFound(error).into_response(),
+            other => Internal::from(other).into_response(),
+        }
+    }
+}