add hodge-podge shit.

This commit is contained in:
Joe Ardent 2022-04-09 23:00:33 -07:00
commit e63248da73
8 changed files with 1262 additions and 0 deletions

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/target

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imports_granularity = "Crate"
group_imports = "StdExternalCrate"
wrap_comments = true
edition = "2021"

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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"proc-macro2",
"quote",
"unicode-xid",
]
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name = "sync_wrapper"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"once_cell",
]
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2af73ac49756f3f7c01172e34a23e5d0216f6c32333757c2c61feb2bbff5a5ee"
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"bytes",
"libc",
"memchr",
"mio",
"num_cpus",
"once_cell",
"parking_lot",
"pin-project-lite",
"signal-hook-registry",
"socket2",
"tokio-macros",
"winapi",
]
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name = "tokio-macros"
version = "1.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b557f72f448c511a979e2564e55d74e6c4432fc96ff4f6241bc6bded342643b7"
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"proc-macro2",
"quote",
"syn",
]
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name = "tokio-util"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0edfdeb067411dba2044da6d1cb2df793dd35add7888d73c16e3381ded401764"
dependencies = [
"bytes",
"futures-core",
"futures-sink",
"pin-project-lite",
"tokio",
]
[[package]]
name = "toml"
version = "0.5.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
dependencies = [
"serde",
]
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name = "tower"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a89fd63ad6adf737582df5db40d286574513c69a11dac5214dc3b5603d6713e"
dependencies = [
"futures-core",
"futures-util",
"pin-project",
"pin-project-lite",
"tokio",
"tokio-util",
"tower-layer",
"tower-service",
"tracing",
]
[[package]]
name = "tower-http"
version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "aba3f3efabf7fb41fae8534fc20a817013dd1c12cb45441efb6c82e6556b4cd8"
dependencies = [
"bitflags",
"bytes",
"futures-core",
"futures-util",
"http",
"http-body",
"http-range-header",
"pin-project-lite",
"tower",
"tower-layer",
"tower-service",
"tracing",
]
[[package]]
name = "tower-layer"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "343bc9466d3fe6b0f960ef45960509f84480bf4fd96f92901afe7ff3df9d3a62"
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name = "tower-service"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "tracing"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"cfg-if",
"log",
"pin-project-lite",
"tracing-attributes",
"tracing-core",
]
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name = "tracing-attributes"
version = "0.1.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2e65ce065b4b5c53e73bb28912318cb8c9e9ad3921f1d669eb0e68b4c8143a2b"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "tracing-core"
version = "0.1.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90442985ee2f57c9e1b548ee72ae842f4a9a20e3f417cc38dbc5dc684d9bb4ee"
dependencies = [
"lazy_static",
"valuable",
]
[[package]]
name = "tracing-log"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a6923477a48e41c1951f1999ef8bb5a3023eb723ceadafe78ffb65dc366761e3"
dependencies = [
"lazy_static",
"log",
"tracing-core",
]
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name = "tracing-subscriber"
version = "0.3.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b9df98b037d039d03400d9dd06b0f8ce05486b5f25e9a2d7d36196e142ebbc52"
dependencies = [
"ansi_term",
"lazy_static",
"matchers",
"regex",
"sharded-slab",
"smallvec",
"thread_local",
"tracing",
"tracing-core",
"tracing-log",
]
[[package]]
name = "try-lock"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
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name = "unicase"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
dependencies = [
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]
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name = "unicode-xid"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
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name = "uuid"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"serde",
]
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name = "valuable"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
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name = "version_check"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_msvc",
]
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17
Cargo.toml Normal file
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@ -0,0 +1,17 @@
[package]
name = "shwatchit"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
axum = "0.5"
askama = "0.11"
tokio = { version = "1", features = ["full"] }
tracing = "0.1"
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
tower = { version = "0.4", features = ["util", "timeout"] }
tower-http = { version = "0.2", features = ["add-extension", "trace"] }
uuid = { version = "0.8", features = ["serde", "v4"] }
serde = { version = "1", features = ["derive"] }

54
src/form.rs Normal file
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@ -0,0 +1,54 @@
use axum::{extract::Form, response::Html};
use serde::Deserialize;
pub(crate) async fn show_form() -> Html<&'static str> {
Html(
r#"
<!doctype html>
<html>
<head></head>
<body>
<form action="/" method="post">
<label for="name">
Enter your name:
<input type="text" name="name">
</label>
<label>
Enter your email:
<input type="text" name="email">
</label>
<input type="submit" value="Subscribe!">
</form>
</body>
</html>
"#,
)
}
#[derive(Deserialize, Debug)]
#[allow(dead_code)]
pub(crate) struct Input {
name: String,
email: String,
}
pub(crate) async fn accept_form(Form(input): Form<Input>) -> Html<String> {
let Input { name, email: _ } = input;
let html = format!(
r#"
<!doctype html>
<html>
<head></head>
<body>
<p>Hi, {}</p>
</body>
</html>
"#,
name
);
Html(html)
}

176
src/main.rs Normal file
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@ -0,0 +1,176 @@
//! Provides a RESTful web server managing some Todos.
//!
//! API will be:
//!
//! - `GET /todos`: return a JSON list of Todos.
//! - `POST /todos`: create a new Todo.
//! - `PUT /todos/:id`: update a specific Todo.
//! - `DELETE /todos/:id`: delete a specific Todo.
//!
//! Run with
//!
//! ```not_rust
//! cargo run -p example-todos
//! ```
use std::{
collections::HashMap,
net::SocketAddr,
sync::{Arc, RwLock},
time::Duration,
};
use axum::{
error_handling::HandleErrorLayer,
extract::{Extension, Path, Query},
http::StatusCode,
response::IntoResponse,
routing::{get, patch},
Json, Router,
};
use serde::{Deserialize, Serialize};
use tower::{BoxError, ServiceBuilder};
use tower_http::trace::TraceLayer;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
use uuid::Uuid;
mod form;
mod template;
#[tokio::main]
async fn main() {
tracing_subscriber::registry()
.with(tracing_subscriber::EnvFilter::new(
std::env::var("RUST_LOG")
.unwrap_or_else(|_| "example_todos=debug,tower_http=debug".into()),
))
.with(tracing_subscriber::fmt::layer())
.init();
let db = Db::default();
// Compose the routes
let app = Router::new()
.route("/todos", get(todos_index).post(todos_create))
.route("/todos/:id", patch(todos_update).delete(todos_delete))
.route("/greet/:name", get(template::greet))
.route("/", get(form::show_form).post(form::accept_form))
// Add middleware to all routes
.layer(
ServiceBuilder::new()
.layer(HandleErrorLayer::new(|error: BoxError| async move {
if error.is::<tower::timeout::error::Elapsed>() {
Ok(StatusCode::REQUEST_TIMEOUT)
} else {
Err((
StatusCode::INTERNAL_SERVER_ERROR,
format!("Unhandled internal error: {}", error),
))
}
}))
.timeout(Duration::from_secs(10))
.layer(TraceLayer::new_for_http())
.layer(Extension(db))
.into_inner(),
);
let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
tracing::debug!("listening on {}", addr);
axum::Server::bind(&addr)
.serve(app.into_make_service())
.await
.unwrap();
}
// The query parameters for todos index
#[derive(Debug, Deserialize, Default)]
pub struct Pagination {
pub offset: Option<usize>,
pub limit: Option<usize>,
}
async fn todos_index(
pagination: Option<Query<Pagination>>,
Extension(db): Extension<Db>,
) -> impl IntoResponse {
let todos = db.read().unwrap();
let Query(pagination) = pagination.unwrap_or_default();
let todos = todos
.values()
.skip(pagination.offset.unwrap_or(0))
.take(pagination.limit.unwrap_or(usize::MAX))
.cloned()
.collect::<Vec<_>>();
Json(todos)
}
#[derive(Debug, Deserialize)]
struct CreateTodo {
text: String,
}
async fn todos_create(
Json(input): Json<CreateTodo>,
Extension(db): Extension<Db>,
) -> impl IntoResponse {
let todo = Todo {
id: Uuid::new_v4(),
text: input.text,
completed: false,
};
db.write().unwrap().insert(todo.id, todo.clone());
(StatusCode::CREATED, Json(todo))
}
#[derive(Debug, Deserialize)]
struct UpdateTodo {
text: Option<String>,
completed: Option<bool>,
}
async fn todos_update(
Path(id): Path<Uuid>,
Json(input): Json<UpdateTodo>,
Extension(db): Extension<Db>,
) -> Result<impl IntoResponse, StatusCode> {
let mut todo = db
.read()
.unwrap()
.get(&id)
.cloned()
.ok_or(StatusCode::NOT_FOUND)?;
if let Some(text) = input.text {
todo.text = text;
}
if let Some(completed) = input.completed {
todo.completed = completed;
}
db.write().unwrap().insert(todo.id, todo.clone());
Ok(Json(todo))
}
async fn todos_delete(Path(id): Path<Uuid>, Extension(db): Extension<Db>) -> impl IntoResponse {
if db.write().unwrap().remove(&id).is_some() {
StatusCode::NO_CONTENT
} else {
StatusCode::NOT_FOUND
}
}
type Db = Arc<RwLock<HashMap<Uuid, Todo>>>;
#[derive(Debug, Serialize, Clone)]
struct Todo {
id: Uuid,
text: String,
completed: bool,
}

35
src/template.rs Normal file
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use askama::Template;
use axum::{
extract,
http::StatusCode,
response::{Html, IntoResponse, Response},
};
pub(crate) async fn greet(extract::Path(name): extract::Path<String>) -> impl IntoResponse {
let template = HelloTemplate { name };
HtmlTemplate(template)
}
#[derive(Template)]
#[template(path = "hello.html")]
struct HelloTemplate {
name: String,
}
struct HtmlTemplate<T>(T);
impl<T> IntoResponse for HtmlTemplate<T>
where
T: Template,
{
fn into_response(self) -> Response {
match self.0.render() {
Ok(html) => Html(html).into_response(),
Err(err) => (
StatusCode::INTERNAL_SERVER_ERROR,
format!("Failed to render template. Error: {}", err),
)
.into_response(),
}
}
}

1
templates/hello.html Normal file
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@ -0,0 +1 @@
<h1>Hello, {{ name }}!</h1>