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// Back - An extremely simple git issue tracking system. Inspired by tvix's
// panettone
//
// Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This file is part of Back.
//
// You should have received a copy of the License along with this program.
// If not, see <https://www.gnu.org/licenses/agpl.txt>.
use std::fmt::Display;
use serde::Deserialize;
use sha2::{Digest, Sha256};
use crate::git_bug::format::HtmlString;
#[derive(Debug, Deserialize, PartialEq, Eq, Clone)]
pub struct Label {
value: HtmlString,
}
impl Display for Label {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
self.value.fmt(f)
}
}
impl Label {
/// RGBA from a Label computed in a deterministic way
/// This is taken completely from `git_bug`
pub fn associate_color(&self) -> Color {
// colors from: https://material-ui.com/style/color/
let colors = vec![
Color::from_rgba(244, 67, 54, 255), // red
Color::from_rgba(233, 30, 99, 255), // pink
Color::from_rgba(156, 39, 176, 255), // purple
Color::from_rgba(103, 58, 183, 255), // deepPurple
Color::from_rgba(63, 81, 181, 255), // indigo
Color::from_rgba(33, 150, 243, 255), // blue
Color::from_rgba(3, 169, 244, 255), // lightBlue
Color::from_rgba(0, 188, 212, 255), // cyan
Color::from_rgba(0, 150, 136, 255), // teal
Color::from_rgba(76, 175, 80, 255), // green
Color::from_rgba(139, 195, 74, 255), // lightGreen
Color::from_rgba(205, 220, 57, 255), // lime
Color::from_rgba(255, 235, 59, 255), // yellow
Color::from_rgba(255, 193, 7, 255), // amber
Color::from_rgba(255, 152, 0, 255), // orange
Color::from_rgba(255, 87, 34, 255), // deepOrange
Color::from_rgba(121, 85, 72, 255), // brown
Color::from_rgba(158, 158, 158, 255), // grey
Color::from_rgba(96, 125, 139, 255), // blueGrey
];
let hash = Sha256::digest(self.to_string().as_bytes());
let id: usize = hash
.into_iter()
.map(|val| val as usize)
.fold(0, |acc, val| (acc + val) % colors.len());
colors[id]
}
}
#[derive(Default, Clone, Copy, Debug)]
pub struct Color {
pub red: u32,
pub green: u32,
pub blue: u32,
pub alpha: u32,
}
impl Color {
pub fn from_rgba(red: u32, green: u32, blue: u32, alpha: u32) -> Self {
Self {
red,
green,
blue,
alpha,
}
}
}
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