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Set up sqlx

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This commit is contained in:
Joscha 2023-08-03 23:06:17 +02:00
parent 12ec8ac217
commit 79667c15b8
5 changed files with 980 additions and 21 deletions
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938
Cargo.lock generated
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1
Cargo.toml
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@ -10,6 +10,7 @@ askama_axum = "0.3.0"
axum = { version = "0.6.19", features = ["macros"] } axum = { version = "0.6.19", features = ["macros"] }
mime_guess = "2.0.4" mime_guess = "2.0.4"
rust-embed = "6.8.1" rust-embed = "6.8.1"
sqlx = { version = "0.7.1", features = ["runtime-tokio", "sqlite"] }
tokio = { version = "1.29.1", features = ["full"] } tokio = { version = "1.29.1", features = ["full"] }
[build-dependencies] [build-dependencies]

29
src/db.rs Normal file
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@ -0,0 +1,29 @@
// TODO Occasionally run PRAGMA optimize
use sqlx::{
sqlite::{SqliteConnectOptions, SqliteJournalMode, SqlitePoolOptions, SqliteSynchronous},
SqlitePool,
};
// TODO Open db from path
pub async fn pool() -> sqlx::Result<SqlitePool> {
let options = SqliteConnectOptions::new()
// https://www.sqlite.org/pragma.html#pragma_journal_mode
.journal_mode(SqliteJournalMode::Wal)
// https://www.sqlite.org/pragma.html#pragma_synchronous
// NORMAL recommended when using WAL, can't cause corruption
.synchronous(SqliteSynchronous::Normal)
// https://www.sqlite.org/pragma.html#pragma_foreign_keys
.foreign_keys(true)
// https://www.sqlite.org/pragma.html#pragma_trusted_schema
// The docs recommend always turning this off
.pragma("trusted_schema", "false")
.create_if_missing(true)
.optimize_on_close(true, None);
let pool = SqlitePoolOptions::new().connect_with(options).await?;
sqlx::migrate!().run(&pool).await?;
Ok(pool)
}

31
src/main.rs
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@ -1,25 +1,34 @@
mod db;
mod r#static; mod r#static;
use askama::Template; use askama::Template;
use axum::{routing::get, Router}; use askama_axum::{IntoResponse, Response};
use axum::{http::StatusCode, routing::get, Extension, Router};
use sqlx::{Row, SqlitePool};
#[derive(Template)] #[derive(Template)]
#[template(path = "index.html")] #[template(path = "index.html")]
struct IndexTemplate { struct IndexTemplate {
greetee: String, number: i32,
}
async fn index(Extension(pool): Extension<SqlitePool>) -> Result<Response, Response> {
let result = sqlx::query("SELECT * FROM (VALUES (1))")
.fetch_one(&pool)
.await
.map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, format!("{e}")).into_response())?;
let number: i32 = result.get(0);
Ok(IndexTemplate { number }.into_response())
} }
async fn run() -> anyhow::Result<()> { async fn run() -> anyhow::Result<()> {
let pool = db::pool().await?;
let app = Router::new() let app = Router::new()
.route( .route("/", get(index))
"/", .fallback(get(r#static::static_handler))
get(|| async { .layer(Extension(pool));
IndexTemplate {
greetee: "world".to_string(),
}
}),
)
.fallback(get(r#static::static_handler));
// TODO Add text body to body-less status codes // TODO Add text body to body-less status codes
axum::Server::bind(&"0.0.0.0:8000".parse().unwrap()) axum::Server::bind(&"0.0.0.0:8000".parse().unwrap())

2
templates/index.html
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@ -9,7 +9,7 @@
<body> <body>
<h1>Hello</h1> <h1>Hello</h1>
<p>{{ greetee }}</p> <p>The number from the DB is {{ number }}, yay!</p>
<button id="button">Click me!</button> <button id="button">Click me!</button>
</body> </body>