release/v1.0.2

- Запускает тесты.
- Собирает приложение.
- Отправляет отладочную информацию в Sentry.
- Собирает и отправляет в реестр Docker image с приложением.
- Создаёт релиз со списком изменений и артефактами сборки.

.github/workflows/release.yml

@@ -0,0 +1,169 @@
+name: release
+
+on:
+  push:
+    tags: [ "release/v*" ]
+
+permissions:
+  contents: write
+
+env:
+  CARGO_TERM_COLOR: always
+
+  BINARY_NAME: schedule-parser-rusted
+
+  TEST_DB: ${{ secrets.TEST_DATABASE_URL }}
+
+  SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+  SENTRY_ORG: ${{ secrets.SENTRY_ORG }}
+  SENTRY_PROJECT: ${{ secrets.SENTRY_PROJECT }}
+
+  DOCKER_IMAGE_NAME: ${{ github.repository }}
+
+  DOCKER_REGISTRY_HOST: registry.n08i40k.ru
+  DOCKER_REGISTRY_USERNAME: ${{ github.repository_owner }}
+  DOCKER_REGISTRY_PASSWORD: ${{ secrets.DOCKER_REGISTRY_PASSWORD }}
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: stable
+
+      - name: Test
+        run: |
+          touch .env.test
+          cargo test --verbose
+        env:
+          DATABASE_URL: ${{ env.TEST_DB }}
+          JWT_SECRET: "test-secret-at-least-256-bits-used"
+          VKID_CLIENT_ID: 0
+          VKID_REDIRECT_URI: "vk0://vk.com/blank.html"
+          REQWEST_USER_AGENT: "Dalvik/2.1.0 (Linux; U; Android 6.0.1; OPPO R9s Build/MMB29M)"
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
+        with:
+          toolchain: stable
+
+      - name: Build
+        run: cargo build --release --verbose
+
+      - name: Extract debug symbols
+        run: |
+          objcopy --only-keep-debug target/release/${{ env.BINARY_NAME }}{,.d}
+          objcopy --strip-debug --strip-unneeded target/release/${{ env.BINARY_NAME }}
+          objcopy --add-gnu-debuglink target/release/${{ env.BINARY_NAME }}{.d,}
+
+      - name: Setup sentry-cli
+        uses: matbour/setup-sentry-cli@v2.0.0
+        with:
+          version: latest
+          token: ${{ env.SENTRY_AUTH_TOKEN }}
+          organization: ${{ env.SENTRY_ORG }}
+          project: ${{ env.SENTRY_PROJECT }}
+
+      - name: Upload debug symbols to Sentry
+        run: |
+          sentry-cli debug-files upload --include-sources .
+
+      - name: Upload build binary artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-binary
+          path: target/release/${{ env.BINARY_NAME }}
+
+      - name: Upload build debug symbols artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-symbols
+          path: target/release/${{ env.BINARY_NAME }}.d
+
+  docker:
+    name: Build & Push Docker Image
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: release-binary
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3.10.0
+
+      - name: Login to Registry
+        uses: docker/login-action@v3.4.0
+        with:
+          registry: ${{ env.DOCKER_REGISTRY_HOST }}
+          username: ${{ env.DOCKER_REGISTRY_USERNAME }}
+          password: ${{ env.DOCKER_REGISTRY_PASSWORD }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5.7.0
+        with:
+          images: ${{ env.DOCKER_REGISTRY_HOST }}/${{ env.DOCKER_IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v6.15.0
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            "BINARY_NAME=${{ env.BINARY_NAME }}"
+  release:
+    name: Create GitHub Release
+    runs-on: ubuntu-latest
+    needs:
+      - build
+      - docker
+    # noinspection GrazieInspection,SpellCheckingInspection
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate changelog
+        run: |
+          LAST_TAG=$(git describe --tags --abbrev=0 HEAD^)
+          echo "## Коммиты с прошлого релиза $LAST_TAG" > CHANGELOG.md
+          git log $LAST_TAG..HEAD --oneline >> CHANGELOG.md
+
+      - name: Download build artifacts
+        uses: actions/download-artifact@v4
+        with:
+          pattern: release-*
+          merge-multiple: true
+
+      - name: Create Release
+        id: create_release
+        uses: ncipollo/release-action@v1.16.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          artifacts: "${{ env.BINARY_NAME }},${{ env.BINARY_NAME }}.d"
+          bodyFile: CHANGELOG.md

.github/workflows/test.yml

@@ -1,10 +1,9 @@
-name: Tests
+name: cargo test
 
 on:
   push:
     branches: [ "master" ]
-  pull_request:
+    tags-ignore: [ "release/v*" ]
-    branches: [ "master" ]
 
 permissions:
   contents: read
@@ -30,3 +29,4 @@ jobs:
           JWT_SECRET: "test-secret-at-least-256-bits-used"
           VKID_CLIENT_ID: 0
           VKID_REDIRECT_URI: "vk0://vk.com/blank.html"
+          REQWEST_USER_AGENT: "Dalvik/2.1.0 (Linux; U; Android 6.0.1; OPPO R9s Build/MMB29M)"

.idea/sqldialects.xml

@@ -1,9 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="SqlDialectMappings">
-    <file url="file://$PROJECT_DIR$/migrations/2025-03-21-211822_create_user_role/down.sql" dialect="PostgreSQL" />
-    <file url="file://$PROJECT_DIR$/migrations/2025-03-21-212111_create_users/up.sql" dialect="PostgreSQL" />
-    <file url="file://$PROJECT_DIR$/migrations/2025-03-21-212723_create_fcm/down.sql" dialect="PostgreSQL" />
-    <file url="file://$PROJECT_DIR$/migrations/2025-03-21-212723_create_fcm/up.sql" dialect="PostgreSQL" />
-  </component>
-</project>

Cargo.lock

@@ -872,6 +872,16 @@ dependencies = [
  "syn 2.0.100",
 ]
 
+[[package]]
+name = "debugid"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef552e6f588e446098f6ba40d89ac146c8c7b64aade83c051ee00bb5d2bc18d"
+dependencies = [
+ "serde",
+ "uuid",
+]
+
 [[package]]
 name = "deranged"
 version = "0.4.0"
@@ -1072,10 +1082,22 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
+[[package]]
+name = "findshlibs"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40b9e59cd0f7e0806cca4be089683ecb6434e602038df21fe6bf6711b2f07f64"
+dependencies = [
+ "cc",
+ "lazy_static 1.5.0",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "firebase-messaging-rs"
 version = "0.8.10"
-source = "git+ssh://git@github.com/i10416/firebase-messaging-rs.git#f2cb78b0bda33a41962a1a2ed178fb9c5be59e6a"
+source = "git+https://github.com/i10416/firebase-messaging-rs.git#f2cb78b0bda33a41962a1a2ed178fb9c5be59e6a"
 dependencies = [
  "async-trait",
  "chrono",
@@ -1404,6 +1426,17 @@ dependencies = [
  "winutil",
 ]
 
+[[package]]
+name = "hostname"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a56f203cd1c76362b69e3863fd987520ac36cf70a8c92627449b2f64a8cf7d65"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "windows-link",
+]
+
 [[package]]
 name = "http"
 version = "0.2.12"
@@ -1917,6 +1950,12 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "libc"
 version = "0.2.171"
@@ -2090,8 +2129,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22a605e0778d73324c897e7e4bd5903f64639884a99d1bad55bccfd986260063"
 dependencies = [
  "byteorder 0.3.13",
- "hostname",
+ "hostname 0.1.5",
- "lazy_static",
+ "lazy_static 0.2.11",
  "libc",
  "quick-error",
  "rand 0.3.23",
@@ -2155,6 +2194,17 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "os_info"
+version = "3.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a604e53c24761286860eba4e2c8b23a0161526476b1de520139d69cdb85a6b5"
+dependencies = [
+ "log",
+ "serde",
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -2391,7 +2441,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2",
- "thiserror",
+ "thiserror 2.0.12",
  "tokio",
  "tracing",
  "web-time",
@@ -2411,7 +2461,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror",
+ "thiserror 2.0.12",
  "tinyvec",
  "tracing",
  "web-time",
@@ -2428,7 +2478,7 @@ dependencies = [
  "once_cell",
  "socket2",
  "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2627,6 +2677,7 @@ dependencies = [
  "base64",
  "bytes",
  "encoding_rs",
+ "futures-channel",
  "futures-core",
  "futures-util",
  "h2 0.4.8",
@@ -2715,6 +2766,15 @@ version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe834bc780604f4674073badbad26d7219cadfb4a2275802db12cbae17498401"
 
+[[package]]
+name = "rustc_version"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustix"
 version = "1.0.3"
@@ -2816,7 +2876,7 @@ dependencies = [
 
 [[package]]
 name = "schedule-parser-rusted"
-version = "0.8.0"
+version = "1.0.2"
 dependencies = [
  "actix-macros 0.1.0",
  "actix-test",
@@ -2840,6 +2900,8 @@ dependencies = [
  "rand 0.9.0",
  "regex",
  "reqwest",
+ "sentry",
+ "sentry-actix",
  "serde",
  "serde_json",
  "serde_repr",
@@ -2907,6 +2969,133 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
+
+[[package]]
+name = "sentry"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "255914a8e53822abd946e2ce8baa41d4cded6b8e938913b7f7b9da5b7ab44335"
+dependencies = [
+ "httpdate",
+ "native-tls",
+ "reqwest",
+ "sentry-backtrace",
+ "sentry-contexts",
+ "sentry-core",
+ "sentry-debug-images",
+ "sentry-panic",
+ "sentry-tracing",
+ "tokio",
+ "ureq",
+]
+
+[[package]]
+name = "sentry-actix"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a927aed43cce0e9240f7477ac81cdfa2ffb048e0e2b17000eb5976e14f063993"
+dependencies = [
+ "actix-http",
+ "actix-web",
+ "bytes",
+ "futures-util",
+ "sentry-core",
+]
+
+[[package]]
+name = "sentry-backtrace"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00293cd332a859961f24fd69258f7e92af736feaeb91020cff84dac4188a4302"
+dependencies = [
+ "backtrace",
+ "once_cell",
+ "regex",
+ "sentry-core",
+]
+
+[[package]]
+name = "sentry-contexts"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "961990f9caa76476c481de130ada05614cd7f5aa70fb57c2142f0e09ad3fb2aa"
+dependencies = [
+ "hostname 0.4.1",
+ "libc",
+ "os_info",
+ "rustc_version",
+ "sentry-core",
+ "uname",
+]
+
+[[package]]
+name = "sentry-core"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a6409d845707d82415c800290a5d63be5e3df3c2e417b0997c60531dfbd35ef"
+dependencies = [
+ "once_cell",
+ "rand 0.8.5",
+ "sentry-types",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "sentry-debug-images"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71ab5df4f3b64760508edfe0ba4290feab5acbbda7566a79d72673065888e5cc"
+dependencies = [
+ "findshlibs",
+ "once_cell",
+ "sentry-core",
+]
+
+[[package]]
+name = "sentry-panic"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "609b1a12340495ce17baeec9e08ff8ed423c337c1a84dffae36a178c783623f3"
+dependencies = [
+ "sentry-backtrace",
+ "sentry-core",
+]
+
+[[package]]
+name = "sentry-tracing"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f4e86402d5c50239dc7d8fd3f6d5e048221d5fcb4e026d8d50ab57fe4644cb"
+dependencies = [
+ "sentry-backtrace",
+ "sentry-core",
+ "tracing-core",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "sentry-types"
+version = "0.37.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3f117b8755dbede8260952de2aeb029e20f432e72634e8969af34324591631"
+dependencies = [
+ "debugid",
+ "hex",
+ "rand 0.8.5",
+ "serde",
+ "serde_json",
+ "thiserror 1.0.69",
+ "time 0.3.40",
+ "url",
+ "uuid",
+]
+
 [[package]]
 name = "serde"
 version = "1.0.219"
@@ -3043,7 +3232,7 @@ checksum = "297f631f50729c8c99b84667867963997ec0b50f32b2a7dbcab828ef0541e8bb"
 dependencies = [
  "num-bigint",
  "num-traits",
- "thiserror",
+ "thiserror 2.0.12",
  "time 0.3.40",
 ]
 
@@ -3166,13 +3355,33 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52"
+dependencies = [
+ "thiserror-impl 1.0.69",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
 dependencies = [
- "thiserror-impl",
+ "thiserror-impl 2.0.12",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.100",
 ]
 
 [[package]]
@@ -3468,6 +3677,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
 dependencies = [
  "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
+dependencies = [
+ "tracing-core",
 ]
 
 [[package]]
@@ -3482,6 +3701,15 @@ version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1dccffe3ce07af9386bfd29e80c0ab1a8205a2fc34e4bcd40364df902cfa8f3f"
 
+[[package]]
+name = "uname"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b72f89f0ca32e4db1c04e2a72f5345d59796d4866a1ee0609084569f73683dc8"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "unicase"
 version = "2.8.1"
@@ -3506,6 +3734,19 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
+[[package]]
+name = "ureq"
+version = "2.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02d1a66277ed75f640d608235660df48c8e3c19f3b4edb6a263315626cc3c01d"
+dependencies = [
+ "base64",
+ "log",
+ "native-tls",
+ "once_cell",
+ "url",
+]
+
 [[package]]
 name = "url"
 version = "2.5.4"
@@ -3515,6 +3756,7 @@ dependencies = [
  "form_urlencoded",
  "idna",
  "percent-encoding",
+ "serde",
 ]
 
 [[package]]
@@ -3589,8 +3831,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "458f7a779bf54acc9f347480ac654f68407d3aab21269a6e3c9f922acd9e2da9"
 dependencies = [
  "getrandom 0.3.2",
+ "serde",
 ]
 
+[[package]]
+name = "valuable"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
@@ -4118,7 +4367,7 @@ dependencies = [
  "flate2",
  "indexmap 2.8.0",
  "memchr",
- "thiserror",
+ "thiserror 2.0.12",
  "zopfli",
 ]
 

Cargo.toml

@@ -3,10 +3,13 @@ members = ["actix-macros", "actix-test"]
 
 [package]
 name = "schedule-parser-rusted"
-version = "0.8.0"
+version = "1.0.2"
 edition = "2024"
 publish = false
 
+[profile.release]
+debug = true
+
 [dependencies]
 actix-web = "4.10.2"
 actix-macros = { path = "actix-macros" }
@@ -18,7 +21,7 @@ diesel = { version = "2.2.8", features = ["postgres"] }
 diesel-derive-enum = { git = "https://github.com/Havunen/diesel-derive-enum.git", features = ["postgres"] }
 dotenvy = "0.15.7"
 env_logger = "0.11.7"
-firebase-messaging-rs = { git = "ssh://git@github.com/i10416/firebase-messaging-rs.git" }
+firebase-messaging-rs = { git = "https://github.com/i10416/firebase-messaging-rs.git" }
 futures-util = "0.3.31"
 fuzzy-matcher = "0.3.7"
 jsonwebtoken = { version = "9.3.1", features = ["use_pem"] }
@@ -27,6 +30,8 @@ mime = "0.3.17"
 objectid = "0.2.0"
 regex = "1.11.1"
 reqwest = { version = "0.12.15", features = ["json"] }
+sentry = "0.37.0"
+sentry-actix = "0.37.0"
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
 serde_with = "3.12.0"

Dockerfile

@@ -0,0 +1,14 @@
+FROM debian:stable-slim
+LABEL authors="n08i40k"
+
+ARG BINARY_NAME
+
+WORKDIR /app/
+
+RUN apt update && \
+    apt install -y libpq5
+
+COPY ./${BINARY_NAME} /bin/main
+RUN chmod +x /bin/main
+
+ENTRYPOINT ["main"]

src/main.rs

@@ -4,6 +4,7 @@ use crate::middlewares::content_type::ContentTypeBootstrap;
 use actix_web::dev::{ServiceFactory, ServiceRequest};
 use actix_web::{App, Error, HttpServer};
 use dotenvy::dotenv;
+use std::io;
 use utoipa_actix_web::AppExt;
 use utoipa_actix_web::scope::Scope;
 use utoipa_rapidoc::RapiDoc;
@@ -69,12 +70,8 @@ pub fn get_api_scope<
         .service(vk_id_scope)
 }
 
-#[actix_web::main]
+async fn async_main() -> io::Result<()> {
-async fn main() {
+    println!("Starting server...");
-    dotenv().ok();
-
-    unsafe { std::env::set_var("RUST_LOG", "debug") };
-    env_logger::init();
 
     let app_state = app_state().await;
 
@@ -82,7 +79,11 @@ async fn main() {
         let (app, api) = App::new()
             .into_utoipa_app()
             .app_data(app_state.clone())
-            .service(get_api_scope("/api/v1").wrap(ContentTypeBootstrap))
+            .service(
+                get_api_scope("/api/v1")
+                    .wrap(sentry_actix::Sentry::new())
+                    .wrap(ContentTypeBootstrap),
+            )
             .split_for_parts();
 
         let rapidoc_service = RapiDoc::with_openapi("/api-docs-json", api).path("/api-docs");
@@ -96,9 +97,28 @@ async fn main() {
         app.service(rapidoc_service.custom_html(patched_rapidoc_html))
     })
     .workers(4)
-    .bind(("0.0.0.0", 5050))
+    .bind(("0.0.0.0", 5050))?
-    .unwrap()
     .run()
     .await
-    .unwrap();
+}
+
+fn main() -> io::Result<()> {
+    let _guard = sentry::init((
+        "https://9c33db76e89984b3f009b28a9f4b5954@sentry.n08i40k.ru/8",
+        sentry::ClientOptions {
+            release: sentry::release_name!(),
+            send_default_pii: true,
+            ..Default::default()
+        },
+    ));
+
+    unsafe { std::env::set_var("RUST_BACKTRACE", "1") };
+
+    dotenv().unwrap();
+
+    env_logger::init();
+
+    actix_web::rt::System::new().block_on(async { async_main().await })?;
+
+    Ok(())
 }

src/parser/mod.rs

@@ -1,12 +1,13 @@
+use crate::parser::LessonParseResult::{Lessons, Street};
 use crate::parser::schema::LessonType::Break;
 use crate::parser::schema::{
-    Day, Lesson, LessonSubGroup, LessonTime, LessonType, ParseError, ParseResult, ScheduleEntry,
+    Day, ErrorCell, ErrorCellPos, Lesson, LessonSubGroup, LessonTime, LessonType, ParseError,
+    ParseResult, ScheduleEntry,
 };
-use crate::parser::LessonParseResult::{Lessons, Street};
+use calamine::{Reader, Xls, open_workbook_from_rs};
-use calamine::{open_workbook_from_rs, Reader, Xls};
 use chrono::{DateTime, Duration, NaiveDateTime, Utc};
-use fuzzy_matcher::skim::SkimMatcherV2;
 use fuzzy_matcher::FuzzyMatcher;
+use fuzzy_matcher::skim::SkimMatcherV2;
 use regex::Regex;
 use std::collections::HashMap;
 use std::io::Cursor;
@@ -56,9 +57,8 @@ fn get_string_from_cell(worksheet: &WorkSheet, row: u32, col: u32) -> Option<Str
         return None;
     }
 
-    static NL_RE: LazyLock<Regex, fn() -> Regex> =
+    static NL_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"[\n\r]+").unwrap());
-        LazyLock::new(|| Regex::new(r"[\n\r]+").unwrap());
+    static SP_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"\s+").unwrap());
-    static SP_RE: LazyLock<Regex, fn() -> Regex> = LazyLock::new(|| Regex::new(r"\s+").unwrap());
 
     let trimmed_data = SP_RE
         .replace_all(&NL_RE.replace_all(&cell_data, " "), " ")
@@ -252,7 +252,7 @@ fn parse_lesson(
 
         let raw_name = raw_name_opt.unwrap();
 
-        static OTHER_STREET_RE: LazyLock<Regex, fn() -> Regex> =
+        static OTHER_STREET_RE: LazyLock<Regex> =
             LazyLock::new(|| Regex::new(r"^[А-Я][а-я]+,?\s?[0-9]+$").unwrap());
 
         if OTHER_STREET_RE.is_match(&raw_name) {
@@ -275,7 +275,9 @@ fn parse_lesson(
             .filter(|time| time.xls_range.1.0 == cell_range.1.0)
             .collect::<Vec<&InternalTime>>();
 
-        let end_time = end_time_arr.first().ok_or(ParseError::LessonTimeNotFound)?;
+        let end_time = end_time_arr
+            .first()
+            .ok_or(ParseError::LessonTimeNotFound(ErrorCellPos { row, column }))?;
 
         let range: Option<[u8; 2]> = if time.default_index != None {
             let default = time.default_index.unwrap() as u8;
@@ -389,14 +391,12 @@ fn parse_cabinets(worksheet: &WorkSheet, row: u32, column: u32) -> Vec<String> {
 
 /// Getting the "pure" name of the lesson and list of teachers from the text of the lesson cell.
 fn parse_name_and_subgroups(name: &String) -> Result<(String, Vec<LessonSubGroup>), ParseError> {
-    static LESSON_RE: LazyLock<Regex, fn() -> Regex> =
+    static LESSON_RE: LazyLock<Regex> =
         LazyLock::new(|| Regex::new(r"(?:[А-Я][а-я]+[А-Я]{2}(?:\([0-9][а-я]+\))?)+$").unwrap());
-    static TEACHER_RE: LazyLock<Regex, fn() -> Regex> =
+    static TEACHER_RE: LazyLock<Regex> =
         LazyLock::new(|| Regex::new(r"([А-Я][а-я]+)([А-Я])([А-Я])(?:\(([0-9])[а-я]+\))?").unwrap());
-    static CLEAN_RE: LazyLock<Regex, fn() -> Regex> =
+    static CLEAN_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"[\s.,]+").unwrap());
-        LazyLock::new(|| Regex::new(r"[\s.,]+").unwrap());
+    static END_CLEAN_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"[.\s]+$").unwrap());
-    static END_CLEAN_RE: LazyLock<Regex, fn() -> Regex> =
-        LazyLock::new(|| Regex::new(r"[.\s]+$").unwrap());
 
     let (teachers, lesson_name) = {
         let clean_name = CLEAN_RE.replace_all(&name, "").to_string();
@@ -423,14 +423,9 @@ fn parse_name_and_subgroups(name: &String) -> Result<(String, Vec<LessonSubGroup
 
     for captures in teacher_it {
         subgroups.push(LessonSubGroup {
-            number: if let Some(capture) = captures.get(4) {
+            number: match captures.get(4) {
-                capture
+                Some(capture) => capture.as_str().to_string().parse::<u8>().unwrap(),
-                    .as_str()
+                None => 0,
-                    .to_string()
-                    .parse::<u8>()
-                    .map_err(|_| ParseError::SubgroupIndexParsingFailed)?
-            } else {
-                0
             },
             cabinet: None,
             teacher: format!(
@@ -665,10 +660,12 @@ pub fn parse_xls(buffer: &Vec<u8>) -> Result<ParseResult, ParseError> {
 
                     // time
                     let time_range = {
-                        static TIME_RE: LazyLock<Regex, fn() -> Regex> =
+                        static TIME_RE: LazyLock<Regex> =
                             LazyLock::new(|| Regex::new(r"(\d+\.\d+)-(\d+\.\d+)").unwrap());
 
-                        let parse_res = TIME_RE.captures(&time).ok_or(ParseError::GlobalTime)?;
+                        let parse_res = TIME_RE.captures(&time).ok_or(ParseError::GlobalTime(
+                            ErrorCell::new(row, lesson_time_column, time.clone()),
+                        ))?;
 
                         let start_match = parse_res.get(1).unwrap().as_str();
                         let start_parts: Vec<&str> = start_match.split(".").collect();

src/parser/schema.rs

@@ -1,5 +1,5 @@
 use chrono::{DateTime, Utc};
-use derive_more::Display;
+use derive_more::{Display, Error};
 use serde::{Deserialize, Serialize, Serializer};
 use serde_repr::{Deserialize_repr, Serialize_repr};
 use std::collections::HashMap;
@@ -115,10 +115,33 @@ pub struct ParseResult {
     pub teachers: HashMap<String, ScheduleEntry>,
 }
 
-#[derive(Debug, Display, Clone, ToSchema)]
+#[derive(Clone, Debug, Display, Error, ToSchema)]
+#[display("row {row}, column {column}")]
+pub struct ErrorCellPos {
+    pub row: u32,
+    pub column: u32,
+}
+
+#[derive(Clone, Debug, Display, Error, ToSchema)]
+#[display("'{data}' at {pos}")]
+pub struct ErrorCell {
+    pub pos: ErrorCellPos,
+    pub data: String,
+}
+
+impl ErrorCell {
+    pub fn new(row: u32, column: u32, data: String) -> Self {
+        Self {
+            pos: ErrorCellPos { row, column },
+            data,
+        }
+    }
+}
+
+#[derive(Clone, Debug, Display, Error, ToSchema)]
 pub enum ParseError {
     /// Errors related to reading XLS file.
-    #[display("{}: Failed to read XLS file.", "_0")]
+    #[display("{_0:?}: Failed to read XLS file.")]
     #[schema(value_type = String)]
     BadXLS(Arc<calamine::XlsError>),
 
@@ -131,16 +154,12 @@ pub enum ParseError {
     UnknownWorkSheetRange,
 
     /// Failed to read the beginning and end of the lesson from the line
-    #[display("Failed to read lesson start and end times from string.")]
+    #[display("Failed to read lesson start and end times from {_0}.")]
-    GlobalTime,
+    GlobalTime(ErrorCell),
 
     /// Not found the beginning and the end corresponding to the lesson.
-    #[display("No start and end times matching the lesson was found.")]
+    #[display("No start and end times matching the lesson (at {_0}) was found.")]
-    LessonTimeNotFound,
+    LessonTimeNotFound(ErrorCellPos),
-
-    /// Failed to read the subgroup index.
-    #[display("Failed to read subgroup index.")]
-    SubgroupIndexParsingFailed,
 }
 
 impl Serialize for ParseError {
@@ -154,11 +173,8 @@ impl Serialize for ParseError {
             ParseError::UnknownWorkSheetRange => {
                 serializer.serialize_str("UNKNOWN_WORK_SHEET_RANGE")
             }
-            ParseError::GlobalTime => serializer.serialize_str("GLOBAL_TIME"),
+            ParseError::GlobalTime(_) => serializer.serialize_str("GLOBAL_TIME"),
-            ParseError::LessonTimeNotFound => serializer.serialize_str("LESSON_TIME_NOT_FOUND"),
+            ParseError::LessonTimeNotFound(_) => serializer.serialize_str("LESSON_TIME_NOT_FOUND"),
-            ParseError::SubgroupIndexParsingFailed => {
-                serializer.serialize_str("SUBGROUP_INDEX_PARSING_FAILED")
-            }
         }
     }
 }

src/routes/auth/shared.rs

@@ -1,9 +1,6 @@
-use crate::utility::jwt::DEFAULT_ALGORITHM;
 use jsonwebtoken::errors::ErrorKind;
-use jsonwebtoken::{decode, DecodingKey, Validation};
+use jsonwebtoken::{decode, Algorithm, DecodingKey, Validation};
 use serde::{Deserialize, Serialize};
-use std::env;
-use std::sync::LazyLock;
 
 #[derive(Deserialize, Serialize)]
 struct TokenData {
@@ -17,7 +14,7 @@ struct TokenData {
 
 #[derive(Debug, Serialize, Deserialize)]
 struct Claims {
-    sub: String,
+    sub: i32,
     iis: String,
     jti: i32,
     app: i32,
@@ -52,17 +49,10 @@ const VK_PUBLIC_KEY: &str = concat!(
     "-----END PUBLIC KEY-----"
 );
 
-static VK_ID_CLIENT_ID: LazyLock<i32> = LazyLock::new(|| {
+pub fn parse_vk_id(token_str: &String, client_id: i32) -> Result<i32, Error> {
-    env::var("VK_ID_CLIENT_ID")
-        .expect("VK_ID_CLIENT_ID must be set")
-        .parse::<i32>()
-        .expect("VK_ID_CLIENT_ID must be i32")
-});
-
-pub fn parse_vk_id(token_str: &String) -> Result<i32, Error> {
     let dkey = DecodingKey::from_rsa_pem(VK_PUBLIC_KEY.as_bytes()).unwrap();
 
-    match decode::<Claims>(&token_str, &dkey, &Validation::new(DEFAULT_ALGORITHM)) {
+    match decode::<Claims>(&token_str, &dkey, &Validation::new(Algorithm::RS256)) {
         Ok(token_data) => {
             let claims = token_data.claims;
 
@@ -70,13 +60,10 @@ pub fn parse_vk_id(token_str: &String) -> Result<i32, Error> {
                 Err(Error::UnknownIssuer(claims.iis))
             } else if claims.jti != 21 {
                 Err(Error::UnknownType(claims.jti))
-            } else if claims.app != *VK_ID_CLIENT_ID {
+            } else if claims.app != client_id {
                 Err(Error::UnknownClientId(claims.app))
             } else {
-                match claims.sub.parse::<i32>() {
+                Ok(claims.sub)
-                    Ok(sub) => Ok(sub),
-                    Err(_) => Err(Error::InvalidToken),
-                }
             }
         }
         Err(err) => Err(match err.into_kind() {

src/routes/auth/sign_in.rs

@@ -71,7 +71,7 @@ pub async fn sign_in_vk(
 ) -> ServiceResponse {
     let data = data_json.into_inner();
 
-    match parse_vk_id(&data.access_token) {
+    match parse_vk_id(&data.access_token, app_state.vk_id.client_id) {
         Ok(id) => sign_in_combined(Vk(id), &app_state).await.into(),
         Err(_) => ErrorCode::InvalidVkAccessToken.into_response(),
     }

src/routes/auth/sign_up.rs

@@ -79,7 +79,7 @@ pub async fn sign_up_vk(
 ) -> ServiceResponse {
     let data = data_json.into_inner();
 
-    match parse_vk_id(&data.access_token) {
+    match parse_vk_id(&data.access_token, app_state.vk_id.client_id) {
         Ok(id) => sign_up_combined(
             SignUpData {
                 username: data.username,

src/routes/schedule/update_download_url.rs

@@ -4,7 +4,7 @@ use crate::app_state::Schedule;
 use crate::parser::parse_xls;
 use crate::routes::schedule::schema::CacheStatus;
 use crate::routes::schema::{IntoResponseAsError, ResponseError};
-use crate::xls_downloader::interface::XLSDownloader;
+use crate::xls_downloader::interface::{FetchError, XLSDownloader};
 use actix_web::web::Json;
 use actix_web::{patch, web};
 use chrono::Utc;
@@ -41,7 +41,7 @@ pub async fn update_download_url(
             }
 
             match downloader.fetch(false).await {
-                Ok(download_result) => match parse_xls(download_result.data.as_ref().unwrap()) {
+                Ok(download_result) => match parse_xls(&download_result.data.unwrap()) {
                     Ok(data) => {
                         *schedule = Some(Schedule {
                             etag: download_result.etag,
@@ -53,21 +53,27 @@ pub async fn update_download_url(
 
                         Ok(CacheStatus::from(schedule.as_ref().unwrap())).into()
                     }
-                    Err(error) => ErrorCode::InvalidSchedule(error).into_response(),
+                    Err(error) => {
+                        sentry::capture_error(&error);
+
+                        ErrorCode::InvalidSchedule(error).into_response()
+                    }
                 },
                 Err(error) => {
-                    eprintln!("Unknown url provided {}", data.url);
+                    if let FetchError::Unknown(error) = &error {
-                    eprintln!("{:?}", error);
+                        sentry::capture_error(&error);
+                    }
 
-                    ErrorCode::DownloadFailed.into_response()
+                    ErrorCode::DownloadFailed(error).into_response()
                 }
             }
         }
         Err(error) => {
-            eprintln!("Unknown url provided {}", data.url);
+            if let FetchError::Unknown(error) = &error {
-            eprintln!("{:?}", error);
+                sentry::capture_error(&error);
+            }
 
-            ErrorCode::FetchFailed.into_response()
+            ErrorCode::FetchFailed(error).into_response()
         }
     }
 }
@@ -79,6 +85,7 @@ mod schema {
     use derive_more::Display;
     use serde::{Deserialize, Serialize, Serializer};
     use utoipa::ToSchema;
+    use crate::xls_downloader::interface::FetchError;
 
     pub type ServiceResponse = crate::routes::schema::Response<CacheStatus, ErrorCode>;
 
@@ -93,16 +100,16 @@ mod schema {
     #[schema(as = SetDownloadUrl::ErrorCode)]
     pub enum ErrorCode {
         /// Transferred link with host different from politehnikum-eng.ru.
-        #[display("URL with unknown host provided. Provide url with politehnikum-eng.ru host.")]
+        #[display("URL with unknown host provided. Provide url with 'politehnikum-eng.ru' host.")]
         NonWhitelistedHost,
 
         /// Failed to retrieve file metadata.
-        #[display("Unable to retrieve metadata from the specified URL.")]
+        #[display("Unable to retrieve metadata from the specified URL: {_0}")]
-        FetchFailed,
+        FetchFailed(FetchError),
 
         /// Failed to download the file.
-        #[display("Unable to retrieve data from the specified URL.")]
+        #[display("Unable to retrieve data from the specified URL: {_0}")]
-        DownloadFailed,
+        DownloadFailed(FetchError),
 
         /// The link leads to an outdated schedule.
         ///
@@ -112,7 +119,7 @@ mod schema {
         OutdatedSchedule,
 
         /// Failed to parse the schedule.
-        #[display("{}", "_0.display()")]
+        #[display("{_0}")]
         InvalidSchedule(ParseError),
     }
 
@@ -123,8 +130,8 @@ mod schema {
         {
             match self {
                 ErrorCode::NonWhitelistedHost => serializer.serialize_str("NON_WHITELISTED_HOST"),
-                ErrorCode::FetchFailed => serializer.serialize_str("FETCH_FAILED"),
+                ErrorCode::FetchFailed(_) => serializer.serialize_str("FETCH_FAILED"),
-                ErrorCode::DownloadFailed => serializer.serialize_str("DOWNLOAD_FAILED"),
+                ErrorCode::DownloadFailed(_) => serializer.serialize_str("DOWNLOAD_FAILED"),
                 ErrorCode::OutdatedSchedule => serializer.serialize_str("OUTDATED_SCHEDULE"),
                 ErrorCode::InvalidSchedule(_) => serializer.serialize_str("INVALID_SCHEDULE"),
             }

src/routes/vk_id/oauth.rs

@@ -59,13 +59,16 @@ async fn oauth(data: web::Json<Request>, app_state: web::Data<AppState>) -> Serv
                 return ErrorCode::VkIdError.into_response();
             }
 
-            if let Ok(auth_data) = res.json::<VkIdAuthResponse>().await {
+            match res.json::<VkIdAuthResponse>().await {
-                Ok(Response {
+                Ok(auth_data) =>
-                    access_token: auth_data.id_token,
+                    Ok(Response {
-                })
+                        access_token: auth_data.id_token,
-                .into()
+                    }).into(),
-            } else {
+                Err(error) => {
-                ErrorCode::VkIdError.into_response()
+                    sentry::capture_error(&error);
+                    
+                    ErrorCode::VkIdError.into_response()
+                }
             }
         }
         Err(_) => ErrorCode::VkIdError.into_response(),

src/xls_downloader/basic_impl.rs

@@ -1,11 +1,14 @@
 use crate::xls_downloader::interface::{FetchError, FetchOk, FetchResult, XLSDownloader};
 use chrono::{DateTime, Utc};
+use std::env;
+use std::sync::Arc;
 
 pub struct BasicXlsDownloader {
     pub url: Option<String>,
+    user_agent: String,
 }
 
-async fn fetch_specified(url: &String, user_agent: String, head: bool) -> FetchResult {
+async fn fetch_specified(url: &String, user_agent: &String, head: bool) -> FetchResult {
     let client = reqwest::Client::new();
 
     let response = if head {
@@ -13,14 +16,14 @@ async fn fetch_specified(url: &String, user_agent: String, head: bool) -> FetchR
     } else {
         client.get(url)
     }
-    .header("User-Agent", user_agent)
+    .header("User-Agent", user_agent.clone())
     .send()
     .await;
 
     match response {
         Ok(r) => {
             if r.status().as_u16() != 200 {
-                return Err(FetchError::BadStatusCode);
+                return Err(FetchError::BadStatusCode(r.status().as_u16()));
             }
 
             let headers = r.headers();
@@ -30,11 +33,18 @@ async fn fetch_specified(url: &String, user_agent: String, head: bool) -> FetchR
             let last_modified = headers.get("last-modified");
             let date = headers.get("date");
 
-            if content_type.is_none() || etag.is_none() || last_modified.is_none() || date.is_none()
+            if content_type.is_none() {
-            {
+                Err(FetchError::BadHeaders("Content-Type".to_string()))
-                Err(FetchError::BadHeaders)
+            } else if etag.is_none() {
+                Err(FetchError::BadHeaders("ETag".to_string()))
+            } else if last_modified.is_none() {
+                Err(FetchError::BadHeaders("Last-Modified".to_string()))
+            } else if date.is_none() {
+                Err(FetchError::BadHeaders("Date".to_string()))
             } else if content_type.unwrap() != "application/vnd.ms-excel" {
-                Err(FetchError::BadContentType)
+                Err(FetchError::BadContentType(
+                    content_type.unwrap().to_str().unwrap().to_string(),
+                ))
             } else {
                 let etag = etag.unwrap().to_str().unwrap().to_string();
                 let last_modified =
@@ -49,13 +59,16 @@ async fn fetch_specified(url: &String, user_agent: String, head: bool) -> FetchR
                 })
             }
         }
-        Err(_) => Err(FetchError::Unknown),
+        Err(error) => Err(FetchError::Unknown(Arc::new(error))),
     }
 }
 
 impl BasicXlsDownloader {
     pub fn new() -> Self {
-        BasicXlsDownloader { url: None }
+        BasicXlsDownloader {
+            url: None,
+            user_agent: env::var("REQWEST_USER_AGENT").expect("USER_AGENT must be set"),
+        }
     }
 }
 
@@ -64,17 +77,12 @@ impl XLSDownloader for BasicXlsDownloader {
         if self.url.is_none() {
             Err(FetchError::NoUrlProvided)
         } else {
-            fetch_specified(
+            fetch_specified(self.url.as_ref().unwrap(), &self.user_agent, head).await
-                self.url.as_ref().unwrap(),
-                "t.me/polytechnic_next".to_string(),
-                head,
-            )
-            .await
         }
     }
 
     async fn set_url(&mut self, url: String) -> FetchResult {
-        let result = fetch_specified(&url, "t.me/polytechnic_next".to_string(), true).await;
+        let result = fetch_specified(&url, &self.user_agent, true).await;
 
         if let Ok(_) = result {
             self.url = Some(url);
@@ -86,7 +94,7 @@ impl XLSDownloader for BasicXlsDownloader {
 
 #[cfg(test)]
 mod tests {
-    use crate::xls_downloader::basic_impl::{BasicXlsDownloader, fetch_specified};
+    use crate::xls_downloader::basic_impl::{fetch_specified, BasicXlsDownloader};
     use crate::xls_downloader::interface::{FetchError, XLSDownloader};
 
     #[tokio::test]
@@ -95,8 +103,8 @@ mod tests {
         let user_agent = String::new();
 
         let results = [
-            fetch_specified(&url, user_agent.clone(), true).await,
+            fetch_specified(&url, &user_agent, true).await,
-            fetch_specified(&url, user_agent.clone(), false).await,
+            fetch_specified(&url, &user_agent, false).await,
         ];
 
         assert!(results[0].is_err());
@@ -109,21 +117,17 @@ mod tests {
         let user_agent = String::new();
 
         let results = [
-            fetch_specified(&url, user_agent.clone(), true).await,
+            fetch_specified(&url, &user_agent, true).await,
-            fetch_specified(&url, user_agent.clone(), false).await,
+            fetch_specified(&url, &user_agent, false).await,
         ];
 
         assert!(results[0].is_err());
         assert!(results[1].is_err());
 
-        assert_eq!(
+        let expected_error = FetchError::BadStatusCode(404);
-            *results[0].as_ref().err().unwrap(),
+
-            FetchError::BadStatusCode
+        assert_eq!(*results[0].as_ref().err().unwrap(), expected_error);
-        );
+        assert_eq!(*results[1].as_ref().err().unwrap(), expected_error);
-        assert_eq!(
-            *results[1].as_ref().err().unwrap(),
-            FetchError::BadStatusCode
-        );
     }
 
     #[tokio::test]
@@ -132,15 +136,17 @@ mod tests {
         let user_agent = String::new();
 
         let results = [
-            fetch_specified(&url, user_agent.clone(), true).await,
+            fetch_specified(&url, &user_agent, true).await,
-            fetch_specified(&url, user_agent.clone(), false).await,
+            fetch_specified(&url, &user_agent, false).await,
         ];
 
         assert!(results[0].is_err());
         assert!(results[1].is_err());
 
-        assert_eq!(*results[0].as_ref().err().unwrap(), FetchError::BadHeaders);
+        let expected_error = FetchError::BadHeaders("ETag".to_string());
-        assert_eq!(*results[1].as_ref().err().unwrap(), FetchError::BadHeaders);
+
+        assert_eq!(*results[0].as_ref().err().unwrap(), expected_error);
+        assert_eq!(*results[1].as_ref().err().unwrap(), expected_error);
     }
 
     #[tokio::test]
@@ -149,21 +155,12 @@ mod tests {
         let user_agent = String::new();
 
         let results = [
-            fetch_specified(&url, user_agent.clone(), true).await,
+            fetch_specified(&url, &user_agent, true).await,
-            fetch_specified(&url, user_agent.clone(), false).await,
+            fetch_specified(&url, &user_agent, false).await,
         ];
 
         assert!(results[0].is_err());
         assert!(results[1].is_err());
-
-        assert_eq!(
-            *results[0].as_ref().err().unwrap(),
-            FetchError::BadContentType
-        );
-        assert_eq!(
-            *results[1].as_ref().err().unwrap(),
-            FetchError::BadContentType
-        );
     }
 
     #[tokio::test]
@@ -172,8 +169,8 @@ mod tests {
         let user_agent = String::new();
 
         let results = [
-            fetch_specified(&url, user_agent.clone(), true).await,
+            fetch_specified(&url, &user_agent, true).await,
-            fetch_specified(&url, user_agent.clone(), false).await,
+            fetch_specified(&url, &user_agent, false).await,
         ];
 
         assert!(results[0].is_ok());

src/xls_downloader/interface.rs

@@ -1,22 +1,38 @@
 use chrono::{DateTime, Utc};
+use derive_more::Display;
+use std::mem::discriminant;
+use std::sync::Arc;
+use utoipa::ToSchema;
 
 /// XLS data retrieval errors.
-#[derive(PartialEq, Debug)]
+#[derive(Clone, Debug, ToSchema, Display)]
 pub enum FetchError {
     /// File url is not set.
+    #[display("The link to the timetable was not provided earlier.")]
     NoUrlProvided,
 
     /// Unknown error.
-    Unknown,
+    #[display("An unknown error occurred while downloading the file.")]
+    #[schema(value_type = String)]
+    Unknown(Arc<reqwest::Error>),
 
     /// Server returned a status code different from 200.
-    BadStatusCode,
+    #[display("Server returned a status code {_0}.")]
+    BadStatusCode(u16),
 
     /// The url leads to a file of a different type.
-    BadContentType,
+    #[display("The link leads to a file of type '{_0}'.")]
+    BadContentType(String),
 
     /// Server doesn't return expected headers.
-    BadHeaders,
+    #[display("Server doesn't return expected header(s) '{_0}'.")]
+    BadHeaders(String),
+}
+
+impl PartialEq for FetchError {
+    fn eq(&self, other: &Self) -> bool {
+        discriminant(self) == discriminant(other)
+    }
 }
 
 /// Result of XLS data retrieval.