Add the ability to create users and to get profiles

visions/server/src/core.rs

@@ -126,11 +126,19 @@ impl Core {
         }
     }
 
+    pub async fn user(&self, user_id: UserId) -> ResultExt<Option<User>, AppError, FatalError> {
+        let users = return_error!(self.list_users().await);
+        ok(users.into_iter().find(|user| user.id == user_id))
+    }
+
     pub async fn create_user(&self, username: &str) -> ResultExt<(), AppError, FatalError> {
         let state = self.0.read().await;
         match return_error!(self.user_by_username(username).await) {
             Some(_) => error(AppError::UsernameUnavailable),
-            None => unimplemented!(),
+            None => match state.db.save_user(None, username, "", false, true).await {
+                Ok(_) => ok(()),
+                Err(err) => fatal(err),
+            },
         }
     }
 

visions/server/src/database/types.rs

@@ -40,6 +40,12 @@ impl FromSql for UserId {
     }
 }
 
+impl fmt::Display for UserId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
+        f.write_str(&self.0)
+    }
+}
+
 #[derive(Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub struct SessionId(String);
 

visions/server/src/handlers/mod.rs

@@ -95,17 +95,19 @@ pub async fn admin_required<F, A, Fut>(
     core: Core,
     headers: HeaderMap,
     f: F,
-    ) -> (StatusCode, Json<Option<A>>)
+) -> (StatusCode, Json<Option<A>>)
 where
     F: FnOnce(User) -> Fut,
     Fut: Future<Output = (StatusCode, Json<Option<A>>)>,
 {
     match check_session(&core, headers).await {
-        ResultExt::Ok(Some(user)) => if user.admin {
+        ResultExt::Ok(Some(user)) => {
+            if user.admin {
                 f(user).await
             } else {
                 (StatusCode::FORBIDDEN, Json(None))
-        },
+            }
+        }
         ResultExt::Ok(None) => (StatusCode::UNAUTHORIZED, Json(None)),
         ResultExt::Err(_err) => (StatusCode::BAD_REQUEST, Json(None)),
         ResultExt::Fatal(err) => panic!("{}", err),
@@ -120,16 +122,35 @@ pub struct UserProfile {
     pub is_admin: bool,
 }
 
-pub async fn get_user(core: Core, headers: HeaderMap) -> (StatusCode, Json<Option<UserProfile>>) {
+pub async fn get_user(
+    core: Core,
+    headers: HeaderMap,
+    user_id: Option<UserId>,
+) -> (StatusCode, Json<Option<UserProfile>>) {
     auth_required(core.clone(), headers, |user| async move {
-        (
+        match user_id {
+            Some(user_id) => match core.user(user_id).await {
+                ResultExt::Ok(Some(user)) => (
                     StatusCode::OK,
                     Json(Some(UserProfile {
                         userid: UserId::from(user.id),
                         username: user.name,
                         is_admin: user.admin,
                     })),
-        )
+                ),
+                ResultExt::Ok(None) => (StatusCode::NOT_FOUND, Json(None)),
+                ResultExt::Err(_err) => (StatusCode::BAD_REQUEST, Json(None)),
+                ResultExt::Fatal(err) => panic!("{}", err),
+            }
+            None => (
+                StatusCode::OK,
+                Json(Some(UserProfile {
+                    userid: UserId::from(user.id),
+                    username: user.name,
+                    is_admin: user.admin,
+                })),
+            ),
+        }
     })
     .await
 }
@@ -137,17 +158,22 @@ pub async fn get_user(core: Core, headers: HeaderMap) -> (StatusCode, Json<Optio
 #[derive(Deserialize, Serialize)]
 #[typeshare]
 pub struct CreateUserRequest {
-    username: String,
+    pub username: String,
 }
 
-pub async fn create_user(core: Core, headers: HeaderMap, req: CreateUserRequest) -> (StatusCode, Json<Option<()>>) {
-    auth_required(core.clone(), headers, |_admin| async {
+pub async fn create_user(
+    core: Core,
+    headers: HeaderMap,
+    req: CreateUserRequest,
+) -> (StatusCode, Json<Option<()>>) {
+    admin_required(core.clone(), headers, |_admin| async {
         match core.create_user(&req.username).await {
             ResultExt::Ok(_) => (StatusCode::OK, Json(None)),
             ResultExt::Err(err) => (StatusCode::BAD_REQUEST, Json(None)),
             ResultExt::Fatal(fatal) => panic!("{}", fatal),
         }
-    }).await
+    })
+    .await
 }
 
 /*

visions/server/src/routes.rs

@@ -1,6 +1,7 @@
 use std::fmt;
 
 use axum::{
+    extract::Path,
     http::{HeaderMap, StatusCode},
     routing::{get, post},
     Json, Router,
@@ -8,6 +9,7 @@ use axum::{
 
 use crate::{
     core::Core,
+    database::UserId,
     handlers::{
         check_password, create_user, get_user, healthcheck, AuthRequest, CreateUserRequest,
     },
@@ -34,7 +36,7 @@ pub fn routes(core: Core) -> Router {
             "/api/v1/user",
             get({
                 let core = core.clone();
-                move |headers: HeaderMap| get_user(core, headers)
+                move |headers: HeaderMap| get_user(core, headers, None)
             })
             .put({
                 let core = core.clone();
@@ -44,6 +46,16 @@ pub fn routes(core: Core) -> Router {
                 }
             }),
         )
+        .route(
+            "/api/v1/user/:user_id",
+            get({
+                let core = core.clone();
+                move |user_id: Path<UserId>, headers: HeaderMap| {
+                    let Path(user_id) = user_id;
+                    get_user(core, headers, Some(user_id))
+                }
+            }),
+        )
 }
 
 #[cfg(test)]
@@ -84,6 +96,32 @@ mod test {
         (core, server)
     }
 
+    async fn setup_with_user() -> (Core, TestServer) {
+        let (core, server) = setup_admin_enabled().await;
+        let response = server
+            .post("/api/v1/auth")
+            .json(&AuthRequest {
+                username: "admin".to_owned(),
+                password: "aoeu".to_owned(),
+            })
+            .await;
+        response.assert_status_ok();
+        let session_id: Option<SessionId> = response.json();
+        let session_id = session_id.unwrap();
+
+        let response = server
+            .put("/api/v1/user")
+            .add_header("Authorization", format!("Bearer {}", session_id))
+            .json(&CreateUserRequest {
+                username: "savanni".to_owned(),
+            })
+            .await;
+
+        response.assert_status_ok();
+
+        (core, server)
+    }
+
     #[tokio::test]
     async fn it_returns_a_healthcheck() {
         let (core, server) = setup_without_admin();
@@ -170,6 +208,54 @@ mod test {
 
     #[tokio::test]
     async fn an_admin_can_create_a_user() {
+        // All of the contents of this test are basically required for any test on individual
+        // users, so I moved it all into the setup code.
+        let (_core, _server) = setup_with_user().await;
+    }
+
+    #[tokio::test]
+    async fn a_user_can_get_any_user_profile() {
+        let (core, server) = setup_with_user().await;
+
+        let savanni = match core.user_by_username("savanni").await {
+            ResultExt::Ok(Some(savanni)) => savanni,
+            ResultExt::Ok(None) => panic!("user was not initialized"),
+            ResultExt::Err(err) => panic!("{:?}", err),
+            ResultExt::Fatal(err) => panic!("{:?}", err),
+        };
+
+        let response = server
+            .post("/api/v1/auth")
+            .json(&AuthRequest {
+                username: "savanni".to_owned(),
+                password: "".to_owned(),
+            })
+            .await;
+        let session_id: Option<SessionId> = response.json();
+        let session_id = session_id.unwrap();
+
+        let response = server
+            .get(&format!("/api/v1/user/{}", savanni.id))
+            .add_header("Authorization", format!("Bearer {}", session_id))
+            .await;
+        response.assert_status_ok();
+        let profile: Option<UserProfile> = response.json();
+        let profile = profile.unwrap();
+        assert_eq!(profile.username, "savanni");
+
+        let response = server
+            .get("/api/v1/user/admin")
+            .add_header("Authorization", format!("Bearer {}", session_id))
+            .await;
+        response.assert_status_ok();
+        let profile: Option<UserProfile> = response.json();
+        let profile = profile.unwrap();
+        assert_eq!(profile.username, "admin");
+    }
+
+    #[ignore]
+    #[tokio::test]
+    async fn a_user_can_get_change_their_password() {
         unimplemented!();
     }