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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2026 metamuffin <metamuffin.org>
*/
use jellyobject::{Object, Path};
/// Sorted list of components to bin objects by filterable values.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Binning(Vec<BinningComponent>);
#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord)]
pub enum BinningComponent {
Has(Path),
Match(Path),
}
impl Binning {
pub fn new(mut comps: Vec<BinningComponent>) -> Self {
comps.sort();
Self(comps)
}
pub fn apply(&self, ob: Object<'_>, keys: &mut Vec<Vec<u8>>) {
for f in &self.0 {
f.apply(ob, keys);
}
}
}
impl BinningComponent {
pub fn apply(&self, ob: Object<'_>, keys: &mut Vec<Vec<u8>>) {
match self {
BinningComponent::Has(path) => {
let has = path.get_matching_value(ob).is_some();
for co in keys {
co.push(has as u8)
}
}
BinningComponent::Match(path) => {
let mut new_out = Vec::new();
for value in path.get_matching_values(ob) {
for mut co in keys.clone() {
co.extend((co.len() as u32).to_be_bytes());
co.extend(value);
new_out.push(co);
}
}
*keys = new_out;
}
}
}
}
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