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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use std::cmp::PartialOrd;
use std::cmp::Ordering;
#[derive(Serialize, Deserialize, Clone, Debug, Eq, PartialEq)]
pub enum Priority {
#[serde(rename = "h")]
High,
#[serde(rename = "m")]
Medium,
#[serde(rename = "l")]
Low,
}
impl Priority {
pub fn as_str(&self) -> &str {
match self {
Priority::High => "h",
Priority::Medium => "m",
Priority::Low => "l",
}
}
}
impl PartialOrd for Priority {
fn partial_cmp(&self, other: &Priority) -> Option<Ordering> {
Some(match (self, other) {
(Priority::Low, Priority::Low) => Ordering::Equal,
(Priority::Low, Priority::Medium) => Ordering::Less,
(Priority::Low, Priority::High) => Ordering::Less,
(Priority::Medium, Priority::Low) => Ordering::Greater,
(Priority::Medium, Priority::Medium) => Ordering::Equal,
(Priority::Medium, Priority::High) => Ordering::Less,
(Priority::High, Priority::Low) => Ordering::Greater,
(Priority::High, Priority::Medium) => Ordering::Greater,
(Priority::High, Priority::High) => Ordering::Equal,
})
}
}
impl Ord for Priority {
fn cmp(&self, other: &Self) -> Ordering {
self.partial_cmp(&other).unwrap() // save by impl above
}
}
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