1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

use std::cmp::Ordering;

use serde::Serialize;

#[derive(Clone, Debug, Serialize, Hash)]
pub struct CollectionRow {
    collection_id: i32,
    row: u32,
}
impl PartialOrd for CollectionRow {
    fn partial_cmp(&self, other: &CollectionRow) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}
impl Ord for CollectionRow {
    fn cmp(&self, other: &CollectionRow) -> Ordering {
        if self.collection_id == other.collection_id {
            if self.row == other.row {
                Ordering::Equal
            } else if self.row > other.row {
                Ordering::Greater
            } else {
                Ordering::Less
            }
        } else if self.collection_id > other.collection_id {
            Ordering::Greater
        } else {
            Ordering::Less
        }
    }
}
impl PartialEq for CollectionRow {
    fn eq(&self, other: &CollectionRow) -> bool {
        self.collection_id == other.collection_id && self.row == other.row
    }
}
impl Eq for CollectionRow {}

impl CollectionRow {
    pub fn new(collection_id: i32, row: u32) -> Self {
        Self { collection_id, row }
    }
    pub fn collection_id(&self) -> i32 {
        self.collection_id
    }
    pub fn row(&self) -> u32 {
        self.row
    }
}