75 lines
1.6 KiB
Rust
75 lines
1.6 KiB
Rust
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use std::cmp;
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pub struct Event {
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datetime: DateTime,
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action: GuardAction,
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}
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pub enum GuardAction {
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BeginShift(i32),
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FallAsleep,
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WakeUp,
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}
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pub struct Guard {
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events: Vec<Event>,
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id: i32,
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}
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#[derive(Eq)]
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pub struct DateTime {
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month: i32,
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day: i32,
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hour: i32,
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minute: i32,
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sortable_time: i32,
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}
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// Calculate the absolute minute count relative to 01/01 0:00. Months are assumed to have 31
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// days because we just want to ensure that a higher month always results in a higher
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// timestamp. Think of this as a primitive and less correct unix epoch.
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pub fn get_sortable_time(month: i32, day: i32, hour: i32, minute: i32) -> i32 {
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return minute + hour * 60 + day * 60 * 24 + month * 60 * 24 * 31;
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}
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impl DateTime {
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pub fn new(month: i32, day: i32, hour: i32, minute: i32) -> Self {
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DateTime {
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month,
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day,
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hour,
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minute,
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sortable_time: get_sortable_time(month, day, hour, minute)
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}
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}
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}
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impl Ord for DateTime {
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fn cmp(&self, other: &DateTime) -> cmp::Ordering {
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self.sortable_time.cmp(&other.sortable_time)
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}
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}
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impl PartialOrd for DateTime {
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fn partial_cmp(&self, other: &DateTime) -> Option<cmp::Ordering> {
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Some(other.cmp(self))
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}
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}
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impl PartialEq for DateTime {
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fn eq(&self, other: &DateTime) -> bool {
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self.sortable_time == other.sortable_time
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}
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}
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impl Event {
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pub fn new(datetime: DateTime, action: GuardAction) -> Self {
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Event {
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datetime,
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action
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}
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}
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}
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