today/src/eval/date.rs

154 lines
3.9 KiB
Rust

use std::fmt;
use chrono::{Duration, NaiveDate};
use crate::files::commands::DoneDate;
use crate::files::primitives::Time;
#[derive(Debug, Clone, Copy)]
struct Times {
root: Time,
other: Time,
}
#[derive(Debug, Clone, Copy)]
pub struct Dates {
root: NaiveDate,
other: NaiveDate,
times: Option<Times>,
}
impl fmt::Display for Dates {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let (start, end) = self.start_end();
match self.start_end_time() {
Some((start_time, end_time)) if start == end && start_time == end_time => {
write!(f, "{} {}", start, start_time)
}
Some((start_time, end_time)) if start == end => {
write!(f, "{} {} -- {}", start, start_time, end_time)
}
Some((start_time, end_time)) => {
write!(f, "{} {} -- {} {}", start, start_time, end, end_time)
}
None if start == end => write!(f, "{}", start),
None => write!(f, "{} -- {}", start, end),
}
}
}
impl Dates {
pub fn new(root: NaiveDate, other: NaiveDate) -> Self {
Self {
root,
other,
times: None,
}
}
pub fn new_with_time(
root: NaiveDate,
root_time: Time,
other: NaiveDate,
other_time: Time,
) -> Self {
Self {
root,
other,
times: Some(Times {
root: root_time,
other: other_time,
}),
}
}
pub fn root(&self) -> NaiveDate {
self.root
}
pub fn other(&self) -> NaiveDate {
self.other
}
pub fn root_time(&self) -> Option<Time> {
self.times.map(|times| times.root)
}
pub fn other_time(&self) -> Option<Time> {
self.times.map(|times| times.other)
}
pub fn start_end(&self) -> (NaiveDate, NaiveDate) {
if self.root <= self.other {
(self.root, self.other)
} else {
(self.other, self.root)
}
}
pub fn start(&self) -> NaiveDate {
self.start_end().0
}
pub fn end(&self) -> NaiveDate {
self.start_end().1
}
pub fn start_end_time(&self) -> Option<(Time, Time)> {
if let Some(times) = self.times {
if self.root < self.other || (self.root == self.other && times.root <= times.other) {
Some((times.root, times.other))
} else {
Some((times.other, times.root))
}
} else {
None
}
}
pub fn start_time(&self) -> Option<Time> {
self.start_end_time().map(|times| times.0)
}
pub fn end_time(&self) -> Option<Time> {
self.start_end_time().map(|times| times.1)
}
pub fn move_by(&self, delta: Duration) -> Self {
Self {
root: self.root + delta,
other: self.other + delta,
times: self.times,
}
}
}
impl From<DoneDate> for Dates {
fn from(date: DoneDate) -> Self {
match date {
DoneDate::Date { root } => Self::new(root, root),
DoneDate::DateWithTime { root, root_time } => {
Self::new_with_time(root, root_time, root, root_time)
}
DoneDate::DateToDate { root, other } => {
if root <= other {
Self::new(root, other)
} else {
Self::new(other, root)
}
}
DoneDate::DateToDateWithTime {
root,
root_time,
other,
other_time,
} => {
if root < other || (root == other && root_time <= other_time) {
Self::new_with_time(root, root_time, other, other_time)
} else {
Self::new_with_time(other, other_time, root, root_time)
}
}
}
}
}