torrust_tracker_primitives/
pagination.rs

1use derive_more::Constructor;
2use serde::Deserialize;
3
4/// A struct to keep information about the page when results are being paginated
5#[derive(Deserialize, Copy, Clone, Debug, PartialEq, Constructor)]
6pub struct Pagination {
7    /// The page number, starting at 0
8    pub offset: u32,
9    /// Page size. The number of results per page
10    pub limit: u32,
11}
12
13impl Pagination {
14    #[must_use]
15    pub fn new_with_options(offset_option: Option<u32>, limit_option: Option<u32>) -> Self {
16        let offset = match offset_option {
17            Some(offset) => offset,
18            None => Pagination::default_offset(),
19        };
20        let limit = match limit_option {
21            Some(offset) => offset,
22            None => Pagination::default_limit(),
23        };
24
25        Self { offset, limit }
26    }
27
28    #[must_use]
29    pub fn default_offset() -> u32 {
30        0
31    }
32
33    #[must_use]
34    pub fn default_limit() -> u32 {
35        4000
36    }
37}
38
39impl Default for Pagination {
40    fn default() -> Self {
41        Self {
42            offset: Self::default_offset(),
43            limit: Self::default_limit(),
44        }
45    }
46}
torrust_tracker_primitives/pagination.rs

torrust_tracker_primitives/
pagination.rs
