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Merged
kanarus merged 2 commits into from
Aug 7, 2025
Merged

docs: be sure to setup Context in DI sample's entry point #498

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5b9c6d5
docs: be sure to setup `Context` in DI sample's entry point
kanarus Aug 7, 2025
2130d6d
fix to pass test
kanarus Aug 7, 2025
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6 changes: 6 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -744,6 +744,7 @@ struct UserRow {
name: String,
}

#[derive(Clone)]
struct PostgresUserRepository(sqlx::PgPool);
impl UserRepository for PostgresUserRepository {
async fn get_user_by_id(&self, id: i64) -> Result<UserRow, MyError> {
Expand Down Expand Up @@ -790,7 +791,12 @@ fn users_ohkami<R: UserRepository>() -> Ohkami {

#[tokio::main]
async fn main() {
let pool = sqlx::PgPool::connect("postgres://ohkami:password@localhost:5432/db")
.await
.expect("failed to connect to database");

Ohkami::new((
Context::new(PostgresUserRepository(pool)),
"/users".By(users_ohkami::<PostgresUserRepository>()),
)).howl("0.0.0.0:4040").await
}
Expand Down
24 changes: 20 additions & 4 deletions ohkami/src/ohkami/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -262,9 +262,9 @@ use crate::tls::TlsStream;
///
/// ## Generics DI
///
/// A way of DI -*Dependency Injection*- is **generics** :
/// A way of DI is **generics** :
///
/// ```
/// ```no_run
/// use ohkami::{Ohkami, Route};
/// use ohkami::handle::{Path, Json};
/// use ohkami::fang::Context;
Expand Down Expand Up @@ -295,8 +295,9 @@ use crate::tls::TlsStream;
/// ) -> impl Future<Output = Result<String, MyError>> + Send;
/// }
///
/// struct PostgresRepository(sqlx::PgPool);
/// impl UserRepository for PostgresRepository {
/// #[derive(Clone)]
/// struct PostgresUserRepository(sqlx::PgPool);
/// impl UserRepository for PostgresUserRepository {
/// async fn get_user_name_by_id(&self, id: i64) -> Result<String, MyError> {
/// let sql = r#"
/// SELECT name FROM users WHERE id = $1
Expand Down Expand Up @@ -335,6 +336,21 @@ use crate::tls::TlsStream;
/// "/:id".GET(get_user::<R>),
/// ))
/// }
///
/// //////////////////////////////////////////////////////////////////////
/// /// entry point
///
/// #[tokio::main]
/// async fn main() {
/// let pool = sqlx::PgPool::connect("postgres://ohkami:password@localhost:5432/db")
/// .await
/// .expect("failed to connect to database");
///
/// Ohkami::new((
/// Context::new(PostgresUserRepository(pool)),
/// "/users".By(users_ohkami::<PostgresUserRepository>()),
/// )).howl("0.0.0.0:4040").await
/// }
/// ```
pub struct Ohkami {
router: Router,
Expand Down