feat: initial page rendering; db stuff

image-uploads
Jef Roosens 2024-12-28 11:44:56 +01:00
parent a410e4f9ec
commit 08f6faef52
No known key found for this signature in database
GPG Key ID: 21FD3D77D56BAF49
7 changed files with 692 additions and 23 deletions

566
Cargo.lock generated
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@ -29,6 +29,15 @@ dependencies = [
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checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
[[package]]
name = "vcpkg"
version = "0.2.15"
@ -899,6 +1424,16 @@ version = "0.9.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
[[package]]
name = "walkdir"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
dependencies = [
"same-file",
"winapi-util",
]
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
@ -959,6 +1494,37 @@ version = "0.2.99"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
[[package]]
name = "winapi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
dependencies = [
"winapi-i686-pc-windows-gnu",
"winapi-x86_64-pc-windows-gnu",
]
[[package]]
name = "winapi-i686-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
dependencies = [
"windows-sys",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-core"
version = "0.52.0"

View File

@ -8,4 +8,8 @@ axum = "0.7.9"
chrono = "0.4.39"
r2d2 = "0.8.10"
r2d2_sqlite = "0.25.0"
serde = { version = "1.0.217", features = ["derive"] }
tera = "1.20.0"
tokio = { version = "1.42.0", features = ["full"] }
tracing = "0.1.41"
tracing-subscriber = "0.3.19"

BIN
db.sqlite

Binary file not shown.

View File

@ -1,39 +1,60 @@
mod server;
use std::sync::Arc;
use r2d2_sqlite::{rusqlite, SqliteConnectionManager};
use tera::Tera;
pub type DbPool = r2d2::Pool<SqliteConnectionManager>;
const MIGRATIONS: [&str; 1] = [include_str!("migrations/000_initial.sql")];
const MIGRATIONS: [&str; 2] = [
include_str!("migrations/000_initial.sql"),
include_str!("migrations/001_plants.sql"),
];
#[derive(Clone)]
pub struct Context {
pool: crate::DbPool,
tera: Arc<Tera>,
}
#[tokio::main]
async fn main() {
tracing_subscriber::fmt::init();
let manager = SqliteConnectionManager::file("db.sqlite");
let pool = r2d2::Pool::new(manager).unwrap();
run_migrations(&pool, true).unwrap();
run_migrations(&pool).unwrap();
let tera = load_templates();
let ctx = Context {
pool,
tera: Arc::new(tera),
};
let app = server::app(ctx);
let address = "0.0.0.0:8000";
tracing::info!("Starting server on {address}");
let listener = tokio::net::TcpListener::bind(address).await.unwrap();
axum::serve(listener, app.into_make_service())
.await
.unwrap();
}
fn run_migrations(pool: &DbPool, new: bool) -> rusqlite::Result<()> {
fn run_migrations(pool: &DbPool) -> rusqlite::Result<()> {
let mut conn = pool.get().unwrap();
// Run very first migration
if new {
let tx = conn.transaction()?;
tx.execute(MIGRATIONS[0], ())?;
let cur_time = chrono::Local::now().timestamp();
tx.execute(
"insert into migration_version values ($1, $2)",
[0, cur_time],
)?;
tx.commit()?;
}
let mut next_version = conn.query_row(
"select version from migration_version order by updated_at desc limit 1",
(),
|row| row.get::<_, usize>(0),
)? + 1;
// If the migration version query fails, we assume it's because the table isn't there yet so we
// try to run the first migration
let mut next_version = conn
.query_row(
"select version from migration_version order by updated_at desc limit 1",
(),
|row| row.get::<_, usize>(0).map(|n| n + 1),
)
.unwrap_or(0);
while next_version < MIGRATIONS.len() {
let tx = conn.transaction()?;
@ -48,8 +69,19 @@ fn run_migrations(pool: &DbPool, new: bool) -> rusqlite::Result<()> {
tx.commit()?;
tracing::info!("Applied migration {next_version}");
next_version += 1;
}
Ok(())
}
fn load_templates() -> Tera {
let mut tera = Tera::default();
tera.add_raw_templates(vec![("index.html", include_str!("templates/index.html"))])
.unwrap();
tera
}

View File

@ -0,0 +1,6 @@
create table plants (
id integer primary key,
name text not null,
species text not null,
description text
);

50
src/server/mod.rs 100644
View File

@ -0,0 +1,50 @@
use axum::{extract::State, response::Html, routing::get, Router};
use r2d2_sqlite::rusqlite::{self, Row};
use serde::Serialize;
use tera::Context;
#[derive(Serialize)]
struct Plant {
id: i32,
name: String,
species: String,
description: Option<String>,
}
impl TryFrom<&Row<'_>> for Plant {
type Error = rusqlite::Error;
fn try_from(row: &Row<'_>) -> Result<Self, Self::Error> {
Ok(Self {
id: row.get(0)?,
name: row.get(1)?,
species: row.get(2)?,
description: row.get(3)?,
})
}
}
pub fn app(ctx: crate::Context) -> axum::Router {
Router::new().route("/", get(get_index)).with_state(ctx)
}
async fn get_index(State(ctx): State<crate::Context>) -> Html<String> {
let plants = tokio::task::spawn_blocking(move || {
let conn = ctx.pool.get().unwrap();
let mut stmt = conn.prepare("select * from plants").unwrap();
let mut plants = Vec::new();
for plant in stmt.query_map((), |row| Plant::try_from(row)).unwrap() {
plants.push(plant.unwrap());
}
plants
})
.await
.unwrap();
let mut context = Context::new();
context.insert("plants", &plants);
Html(ctx.tera.render("index.html", &context).unwrap())
}

View File

@ -0,0 +1,11 @@
<html>
<body>
<h1>Calathea</h1>
<h2>Plants</h2>
<ul>
{% for plant in plants %}
<li>{{ plant.name }} ({{ plant.species }})</li>
{% endfor %}
</ul>
</body>
</html>