add schnupper management

src/model/user.rs

@@ -842,6 +842,43 @@ impl<'r> FromRequest<'r> for DonauLinzUser {
     }
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SchnupperBetreuerUser(pub(crate) User);
+
+impl From<SchnupperBetreuerUser> for User {
+    fn from(val: SchnupperBetreuerUser) -> Self {
+        val.0
+    }
+}
+
+impl Deref for SchnupperBetreuerUser {
+    type Target = User;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+#[async_trait]
+impl<'r> FromRequest<'r> for SchnupperBetreuerUser {
+    type Error = LoginError;
+
+    async fn from_request(req: &'r Request<'_>) -> request::Outcome<Self, Self::Error> {
+        let db = req.rocket().state::<SqlitePool>().unwrap();
+        match User::from_request(req).await {
+            Outcome::Success(user) => {
+                if user.has_role(db, "schnupper-betreuer").await {
+                    Outcome::Success(SchnupperBetreuerUser(user))
+                } else {
+                    Outcome::Forward(Status::Forbidden)
+                }
+            }
+            Outcome::Error(f) => Outcome::Error(f),
+            Outcome::Forward(f) => Outcome::Forward(f),
+        }
+    }
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct VorstandUser(pub(crate) User);