Improve imports path of http handlers

src/http/robots.rs

@@ -1,12 +1,13 @@
-use warp::Filter;
-
 use crate::simple::database::PgSharedPool;
 use crate::simple::http::reply_json;
 
-use serde::{Deserialize, Serialize};
+use warp::{Filter, Rejection, Reply};
 
+use warp::filters::{body, method, query as params};
 use warp::http::StatusCode;
 
+use serde::{Deserialize, Serialize};
+
 use crate::app;
 
 #[derive(Deserialize)]
@@ -22,15 +23,12 @@ struct Pagination<T> {
 }
 
 // add a new robot entry
-async fn create(
+async fn create(pool: PgSharedPool, r: app::robots::GetRobot) -> Result<impl Reply, Rejection> {
-    pool: PgSharedPool,
-    r: app::robots::GetRobot,
-) -> Result<impl warp::Reply, warp::Rejection> {
     reply_json(app::robots::add_robot(pool, r).await)
 }
 
 // retrieve information of a single robot
-async fn get(pool: PgSharedPool, id: i64) -> Result<impl warp::Reply, warp::Rejection> {
+async fn get(pool: PgSharedPool, id: i64) -> Result<impl Reply, Rejection> {
     reply_json(app::robots::get_robot(pool, id).await)
 }
 
@@ -39,15 +37,12 @@ async fn update(
     pool: PgSharedPool,
     id: i64,
     r: app::robots::GetRobot,
-) -> Result<impl warp::Reply, warp::Rejection> {
+) -> Result<impl Reply, Rejection> {
     reply_json(app::robots::update_robot(pool, id, r).await)
 }
 
 // returns a pagination of all robots
-async fn get_all(
+async fn get_all(pool: PgSharedPool, p: PaginationOptions) -> Result<impl Reply, Rejection> {
-    pool: PgSharedPool,
-    p: PaginationOptions,
-) -> Result<impl warp::Reply, warp::Rejection> {
     reply_json(
         app::robots::get_all(pool, p.offset, p.limit)
             .await
@@ -59,7 +54,7 @@ async fn get_all(
 }
 
 // will delete the requested robot
-async fn delete(pool: PgSharedPool, id: i64) -> Result<impl warp::Reply, warp::Rejection> {
+async fn delete(pool: PgSharedPool, id: i64) -> Result<impl Reply, Rejection> {
     match app::robots::delete_robot(pool, id).await {
         Ok(_) => Ok(warp::reply::with_status(
             warp::reply(),
@@ -71,9 +66,9 @@ async fn delete(pool: PgSharedPool, id: i64) -> Result<impl warp::Reply, warp::R
 
 // builds the route structure for "/robots" endpoint
 pub fn all(
-    base: warp::filters::BoxedFilter<(impl warp::Reply + 'static,)>,
+    base: warp::filters::BoxedFilter<(impl Reply + 'static,)>,
     pool: PgSharedPool,
-) -> warp::filters::BoxedFilter<(impl warp::Reply,)> {
+) -> warp::filters::BoxedFilter<(impl Reply,)> {
     // create a prefix that injects a database connection for every request
     // every filter is added after the prefix so it receives a database connection
     let prefix = warp::path!("robots").map(move || pool.clone());
@@ -83,9 +78,9 @@ pub fn all(
         prefix
             .clone()
             // match HTTP POST method
-            .and(warp::filters::method::post())
+            .and(method::post())
             // attempts to parse the request's body as JSON
-            .and(warp::body::json())
+            .and(body::json())
             // bind the handler
             .and_then(create),
     )
@@ -94,20 +89,20 @@ pub fn all(
         prefix
             .clone()
             // match HTTP GET method
-            .and(warp::filters::method::get())
+            .and(method::get())
             // add pagination query parameters
-            .and(warp::filters::query::query())
+            .and(params::query())
             // bind the handler
             .and_then(get_all),
     )
     .boxed()
 }
 
-// build the route structure for the "/robot/{id}" endpoint
+// builds the route structure for the "/robot/{id}" endpoint
 pub fn with_id(
-    base: warp::filters::BoxedFilter<(impl warp::Reply + 'static,)>,
+    base: warp::filters::BoxedFilter<(impl Reply + 'static,)>,
     pool: PgSharedPool,
-) -> warp::filters::BoxedFilter<(impl warp::Reply,)> {
+) -> warp::filters::BoxedFilter<(impl Reply,)> {
     // we create a prefix containing the id of a robot and a shared database connection
     // every filter is added after the prefix
     // so it receives a robot's id and a database connection
@@ -121,7 +116,7 @@ pub fn with_id(
         prefix
             .clone()
             // match HTTP GET method
-            .and(warp::filters::method::get())
+            .and(method::get())
             // bind the handler
             .and_then(get),
     )
@@ -129,10 +124,10 @@ pub fn with_id(
         // filter for updating individual robots
         prefix
             .clone()
-            // metch HTTP POST method
+            // match HTTP POST method
-            .and(warp::filters::method::put())
+            .and(method::put())
             // attempts to parse the request's body as JSON
-            .and(warp::body::json())
+            .and(body::json())
             // bind the handler
             .and_then(update),
     )
@@ -141,7 +136,7 @@ pub fn with_id(
         prefix
             .clone()
             // match HTTP DELETE method
-            .and(warp::filters::method::delete())
+            .and(method::delete())
             // bind the handler
             .and_then(delete),
     )