add external resource support on scope level

CHANGES.md

@@ -1,9 +1,11 @@
 # Changes
 
-## [1.0.0] - 2019-05-xx
+## [1.0.0] - 2019-06-xx
 
 ### Add
 
+* Add `Scope::configure()` method.
+
 * Add `ServiceRequest::set_payload()` method.
 
 * Add `test::TestRequest::set_json()` convenience method to automatically

Cargo.toml

@@ -102,7 +102,7 @@ rustls = { version = "0.15", optional = true }
 [dev-dependencies]
 actix-http = { version = "0.2.2", features=["ssl", "brotli", "flate2-zlib"] }
 actix-http-test = { version = "0.2.0", features=["ssl"] }
-actix-files = { version = "0.1.0" }
+actix-files = { version = "0.1.1" }
 rand = "0.6"
 env_logger = "0.6"
 serde_derive = "1.0"

src/rmap.rs

@@ -122,7 +122,9 @@ impl ResourceMap {
         I: AsRef<str>,
     {
         if let Some(pattern) = self.named.get(name) {
+            if pattern.pattern().starts_with("/") {
                 self.fill_root(path, elements)?;
+            }
             if pattern.resource_path(path, elements) {
                 Ok(Some(()))
             } else {

src/scope.rs

@@ -11,6 +11,7 @@ use actix_service::{
 use futures::future::{ok, Either, Future, FutureResult};
 use futures::{Async, IntoFuture, Poll};
 
+use crate::config::ServiceConfig;
 use crate::data::Data;
 use crate::dev::{AppService, HttpServiceFactory};
 use crate::error::Error;
@@ -21,7 +22,6 @@ use crate::route::Route;
 use crate::service::{
     ServiceFactory, ServiceFactoryWrapper, ServiceRequest, ServiceResponse,
 };
-use crate::config::ServiceConfig;
 
 type Guards = Vec<Box<Guard>>;
 type HttpService = BoxedService<ServiceRequest, ServiceResponse, Error>;
@@ -67,6 +67,7 @@ pub struct Scope<T = ScopeEndpoint> {
     services: Vec<Box<ServiceFactory>>,
     guards: Vec<Box<Guard>>,
     default: Rc<RefCell<Option<Rc<HttpNewService>>>>,
+    external: Vec<ResourceDef>,
     factory_ref: Rc<RefCell<Option<ScopeFactory>>>,
 }
 
@@ -81,59 +82,10 @@ impl Scope {
             guards: Vec::new(),
             services: Vec::new(),
             default: Rc::new(RefCell::new(None)),
+            external: Vec::new(),
             factory_ref: fref,
         }
     }
-
-
-    /// Run external configuration as part of the scope building
-    /// process
-    ///
-    /// This function is useful for moving parts of configuration to a
-    /// different module or even library. For example,
-    /// some of the resource's configuration could be moved to different module.
-    ///
-    /// ```rust
-    /// # extern crate actix_web;
-    /// use actix_web::{web, middleware, App, HttpResponse};
-    ///
-    /// // this function could be located in different module
-    /// fn config(cfg: &mut web::ServiceConfig) {
-    ///     cfg.service(web::resource("/test")
-    ///         .route(web::get().to(|| HttpResponse::Ok()))
-    ///         .route(web::head().to(|| HttpResponse::MethodNotAllowed()))
-    ///     );
-    /// }
-    ///
-    /// fn main() {
-    ///     let app = App::new()
-    ///         .wrap(middleware::Logger::default())
-    ///         .service(
-    ///             web::scope("/api")
-    ///                 .configure(config)
-    ///         )
-    ///         .route("/index.html", web::get().to(|| HttpResponse::Ok()));
-    /// }
-    /// ```
-    pub fn configure<F>(mut self, f: F) -> Self
-        where
-            F: FnOnce(&mut ServiceConfig),
-    {
-        let mut cfg = ServiceConfig::new();
-        f(&mut cfg);
-        self.services.extend(cfg.services);
-
-        if !cfg.data.is_empty() {
-            let mut data = self.data.unwrap_or(Extensions::new());
-
-            for value in cfg.data.iter() {
-                value.create(&mut data);
-            }
-
-            self.data = Some(data);
-        }
-        self
-    }
 }
 
 impl<T> Scope<T>
@@ -204,6 +156,56 @@ where
         self
     }
 
+    /// Run external configuration as part of the scope building
+    /// process
+    ///
+    /// This function is useful for moving parts of configuration to a
+    /// different module or even library. For example,
+    /// some of the resource's configuration could be moved to different module.
+    ///
+    /// ```rust
+    /// # extern crate actix_web;
+    /// use actix_web::{web, middleware, App, HttpResponse};
+    ///
+    /// // this function could be located in different module
+    /// fn config(cfg: &mut web::ServiceConfig) {
+    ///     cfg.service(web::resource("/test")
+    ///         .route(web::get().to(|| HttpResponse::Ok()))
+    ///         .route(web::head().to(|| HttpResponse::MethodNotAllowed()))
+    ///     );
+    /// }
+    ///
+    /// fn main() {
+    ///     let app = App::new()
+    ///         .wrap(middleware::Logger::default())
+    ///         .service(
+    ///             web::scope("/api")
+    ///                 .configure(config)
+    ///         )
+    ///         .route("/index.html", web::get().to(|| HttpResponse::Ok()));
+    /// }
+    /// ```
+    pub fn configure<F>(mut self, f: F) -> Self
+    where
+        F: FnOnce(&mut ServiceConfig),
+    {
+        let mut cfg = ServiceConfig::new();
+        f(&mut cfg);
+        self.services.extend(cfg.services);
+        self.external.extend(cfg.external);
+
+        if !cfg.data.is_empty() {
+            let mut data = self.data.unwrap_or_else(|| Extensions::new());
+
+            for value in cfg.data.iter() {
+                value.create(&mut data);
+            }
+
+            self.data = Some(data);
+        }
+        self
+    }
+
     /// Register http service.
     ///
     /// This is similar to `App's` service registration.
@@ -332,6 +334,7 @@ where
             guards: self.guards,
             services: self.services,
             default: self.default,
+            external: self.external,
             factory_ref: self.factory_ref,
         }
     }
@@ -410,6 +413,11 @@ where
 
         let mut rmap = ResourceMap::new(ResourceDef::root_prefix(&self.rdef));
 
+        // external resources
+        for mut rdef in std::mem::replace(&mut self.external, Vec::new()) {
+            rmap.add(&mut rdef, None);
+        }
+
         // custom app data storage
         if let Some(ref mut ext) = self.data {
             config.set_service_data(ext);
@@ -645,7 +653,7 @@ mod tests {
     use crate::dev::{Body, ResponseBody};
     use crate::http::{header, HeaderValue, Method, StatusCode};
     use crate::service::{ServiceRequest, ServiceResponse};
-    use crate::test::{block_on, call_service, init_service, TestRequest};
+    use crate::test::{block_on, call_service, init_service, read_body, TestRequest};
     use crate::{guard, web, App, Error, HttpRequest, HttpResponse};
 
     #[test]
@@ -1076,14 +1084,10 @@ mod tests {
 
     #[test]
     fn test_scope_config() {
-        let mut srv = init_service(
+        let mut srv =
-            App::new().service(
+            init_service(App::new().service(web::scope("/app").configure(|s| {
-                web::scope("/app")
-                    .configure(|s|{
                 s.route("/path1", web::get().to(|| HttpResponse::Ok()));
-                    })
+            })));
-            ),
-        );
 
         let req = TestRequest::with_uri("/app/path1").to_request();
         let resp = block_on(srv.call(req)).unwrap();
@@ -1092,21 +1096,43 @@ mod tests {
 
     #[test]
     fn test_scope_config_2() {
-        let mut srv = init_service(
+        let mut srv =
-            App::new().service(
+            init_service(App::new().service(web::scope("/app").configure(|s| {
-                web::scope("/app")
+                s.service(web::scope("/v1").configure(|s| {
-                    .configure(|s|{
-                        s.service(
-                        web::scope("/v1")
-                            .configure(|s|{
                     s.route("/", web::get().to(|| HttpResponse::Ok()));
                 }));
-                    })
+            })));
-            ),
-        );
 
         let req = TestRequest::with_uri("/app/v1/").to_request();
         let resp = block_on(srv.call(req)).unwrap();
         assert_eq!(resp.status(), StatusCode::OK);
     }
+
+    #[test]
+    fn test_url_for_external() {
+        let mut srv =
+            init_service(App::new().service(web::scope("/app").configure(|s| {
+                s.service(web::scope("/v1").configure(|s| {
+                    s.external_resource(
+                        "youtube",
+                        "https://youtube.com/watch/{video_id}",
+                    );
+                    s.route(
+                        "/",
+                        web::get().to(|req: HttpRequest| {
+                            HttpResponse::Ok().body(format!(
+                                "{}",
+                                req.url_for("youtube", &["xxxxxx"]).unwrap().as_str()
+                            ))
+                        }),
+                    );
+                }));
+            })));
+
+        let req = TestRequest::with_uri("/app/v1/").to_request();
+        let resp = block_on(srv.call(req)).unwrap();
+        assert_eq!(resp.status(), StatusCode::OK);
+        let body = read_body(resp);
+        assert_eq!(body, &b"https://youtube.com/watch/xxxxxx"[..]);
+    }
 }