use serde::Deserialize;
use serde_urlencoded; // 0.5.5
use std::collections::HashMap;

#[derive(Deserialize, Debug)]
pub struct PagedRequest {
    pub per_page: Option<usize>,
    pub page: Option<usize>,
}


#[derive(Deserialize, Debug)]
pub struct FilteredRequest {
    #[serde(flatten)]
    pagination: PagedRequest,
    #[serde(flatten)]
    filters: HashMap<String, Option<String>>,
}

fn main() {
    let _result = dbg!(serde_urlencoded::from_str::<FilteredRequest>("?page=1"));

}