questions GET endpoint

src/lib.rs

@@ -120,6 +120,28 @@
 //! ```
 //!
 //! **Response:** 200 OK
+//!
+//! #### `/questions/{id}`
+//!
+//! **Method:** GET
+//!
+//! **Headers:**
+//!
+//! ```txt
+//! Authorization: token <access_token>
+//! ```
+//!
+//! **Response:**
+//!
+//! ```json
+//! {
+//!    "id": 23,
+//!    "title": "New Question",
+//!    "created": "2019-11-01T14:30:30",
+//!    "presentation_id": 3,
+//!    "user_id": 7,
+//! }
+//! ```
 extern crate chrono;
 extern crate env_logger;
 extern crate reqwest;
@@ -211,4 +233,7 @@ pub fn create_app() -> App<AppState> {
         .resource("/questions", |r| {
             r.method(Method::POST).with_async(questions::post)
         })
+        .resource("/questions/{id}", |r| {
+            r.method(Method::GET).with_async(questions::get)
+        })
 }

src/questions.rs

@@ -1,6 +1,6 @@
 use actix::{Handler, Message};
 use actix_web::middleware::session::RequestSession;
-use actix_web::AsyncResponder;
+use actix_web::{AsyncResponder, Path};
 use actix_web::{Error, HttpRequest, HttpResponse, Json, State};
 use chrono::Utc;
 use diesel::prelude::*;
@@ -100,3 +100,37 @@ pub fn post(
         })
         .responder()
 }
+
+/// `/questions/{id}` GET
+///
+/// Headers:
+///
+/// Authorization: token <access_token>
+///
+/// Response:
+/// ```json
+/// {
+///    "id": 23,
+///    "title": "New Question",
+///    "created": "2019-11-01T14:30:30",
+///    "presentation_id": 3,
+///    "user_id": 7,
+/// }
+/// ```
+pub fn get(
+    data: Path<GetQuestion>,
+    req: HttpRequest<AppState>,
+) -> Box<Future<Item = HttpResponse, Error = Error>> {
+    let state: &AppState = req.state();
+
+    state
+        .db
+        .send(data.into_inner())
+        .from_err()
+        .and_then(|response| match response {
+            Ok(result) => Ok(HttpResponse::Ok().json(result)),
+            Err(DieselError::NotFound) => Ok(HttpResponse::NotFound().into()),
+            Err(_) => Ok(HttpResponse::InternalServerError().into()),
+        })
+        .responder()
+}