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//! [`Page`] — paginated result set.
use serde::{Deserialize, Serialize};
/// A paginated result set.
///
/// # Examples
///
/// ```
/// use ironflow_store::entities::Page;
///
/// let page: Page<String> = Page {
/// items: vec!["a".to_string()],
/// total: 10,
/// page: 1,
/// per_page: 20,
/// };
/// assert_eq!(page.items.len(), 1);
/// ```
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Page<T> {
/// The items in this page.
pub items: Vec<T>,
/// Total number of items matching the filter.
pub total: u64,
/// Current page number (1-based).
pub page: u32,
/// Items per page.
pub per_page: u32,
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn serde_roundtrip() {
let page = Page {
items: vec![1, 2, 3],
total: 100,
page: 1,
per_page: 20,
};
let json = serde_json::to_string(&page).expect("serialize");
let back: Page<i32> = serde_json::from_str(&json).expect("deserialize");
assert_eq!(back.items, vec![1, 2, 3]);
assert_eq!(back.total, 100);
}
}