Add rustfmt config and apply new rules in code and CI

.github/workflows/ci.yml

@@ -42,7 +42,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: dtolnay/rust-toolchain@v1
       with:
-        toolchain: $RUST_VERSION
+        toolchain: nightly
         components: rustfmt
     - run: cargo fmt --all --check
 

rustfmt.toml

@@ -0,0 +1 @@
+imports_granularity = "Crate"

src/influxdb.rs

@@ -1,11 +1,12 @@
 use std::str::from_utf8;
 
 use base64::{engine::general_purpose::STANDARD as BASE64, Engine};
-use reqwest::header::{AUTHORIZATION, CONTENT_TYPE};
-use reqwest::{Body, Client, StatusCode};
+use reqwest::{
+    header::{AUTHORIZATION, CONTENT_TYPE},
+    Body, Client, StatusCode,
+};
 
-use crate::errors::InfluxdbError;
-use crate::http_client::make_client;
+use crate::{errors::InfluxdbError, http_client::make_client};
 
 /// InfluxDB client.
 #[derive(Debug)]

src/server.rs

@@ -1,12 +1,17 @@
 use std::{borrow::Cow, collections::HashMap, convert::Into, net::SocketAddr, sync::Arc};
 
-use a2::client::{Client as ApnsClient, Endpoint};
-use a2::CollapseId;
-use axum::body::Body;
-use axum::http::{Request, StatusCode};
-use axum::response::Response;
-use axum::Router;
-use axum::{extract::State, routing::post};
+use a2::{
+    client::{Client as ApnsClient, Endpoint},
+    CollapseId,
+};
+use axum::{
+    body::Body,
+    extract::State,
+    http::{Request, StatusCode},
+    response::Response,
+    routing::post,
+    Router,
+};
 use data_encoding::HEXLOWER_PERMISSIVE;
 use futures::future::{BoxFuture, FutureExt};
 use reqwest::{header::CONTENT_TYPE, Client as HttpClient};
@@ -15,17 +20,15 @@ use tower::ServiceBuilder;
 use tower_http::trace::{self, TraceLayer};
 use tracing::Level;
 
-use crate::errors::PushRelayError;
-use crate::push::fcm::FcmStateConfig;
-use crate::push::hms::HmsStateConfig;
 use crate::{
     config::{Config, ThreemaGatewayConfig},
-    errors::{InfluxdbError, SendPushError, ServiceError},
+    errors::{InfluxdbError, PushRelayError, SendPushError, ServiceError},
     http_client,
     influxdb::Influxdb,
     push::{
         apns, fcm,
-        hms::{self, HmsContext},
+        fcm::FcmStateConfig,
+        hms::{self, HmsContext, HmsStateConfig},
         threema_gateway, ApnsToken, FcmToken, HmsToken, PushToken,
     },
     ThreemaGatewayPrivateKey,