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