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Add optional posts_per_page query string

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This commit is contained in:
Sam Samai 2021-09-11 16:14:25 +10:00
parent f96c8ed49b
commit 918ce056bc
1 changed files with 5 additions and 3 deletions
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8
examples/rocket_example/src/main.rs
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@ -26,7 +26,7 @@ type Result<T, E = rocket::response::Debug<sqlx::Error>> = std::result::Result<T
mod post;
pub use post::Entity as Post;
const ROWS_PER_PAGE: usize = 4;
const DEFAULT_POSTS_PER_PAGE: usize = 25;
#[get("/new")]
fn new() -> Template {
@ -72,14 +72,16 @@ async fn update(conn: Connection<Db>, id: i32, post_form: Form<post::Model>) ->
Flash::success(Redirect::to("/"), "Post successfully edited.")
}
#[get("/?<page>")]
#[get("/?<page>&<posts_per_page>")]
async fn list(
conn: Connection<Db>,
posts_per_page: Option<usize>,
page: Option<usize>,
flash: Option<FlashMessage<'_>>,
) -> Template {
let page = page.unwrap_or(0);
let paginator = Post::find().paginate(&conn, ROWS_PER_PAGE);
let posts_per_page = posts_per_page.unwrap_or(DEFAULT_POSTS_PER_PAGE);
let paginator = Post::find().paginate(&conn, posts_per_page);
let num_pages = paginator.num_pages().await.ok().unwrap();
let posts = paginator