128 lines
3.1 KiB
Rust
128 lines
3.1 KiB
Rust
use chrono::NaiveDate;
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use crate::files::Source;
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use super::date::Dates;
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use super::range::DateRange;
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum EntryKind {
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Task,
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TaskDone(NaiveDate),
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Note,
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Birthday(Option<i32>),
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}
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/// A single instance of a command.
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#[derive(Debug, Clone, Copy)]
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pub struct Entry {
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pub source: Source,
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pub kind: EntryKind,
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pub dates: Option<Dates>,
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}
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impl Entry {
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pub fn new(source: Source, kind: EntryKind, dates: Option<Dates>) -> Self {
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Self {
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source,
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kind,
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dates,
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}
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}
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pub fn root(&self) -> Option<NaiveDate> {
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self.dates.map(|dates| dates.root())
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}
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}
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/// Mode that determines how entries are filtered when they are added to
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/// an [`Entries`].
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum EntryMode {
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/// The entry's root date must be contained in the range.
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Rooted,
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/// The entry must overlap the range.
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Touching,
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/// The entry must be in some way relevant to the range. It may
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/// - touch the range,
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/// - be an unfinished task that lies before the range,
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/// - be a finished task that was completed inside the range, or
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/// - have no root date.
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Relevant,
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}
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pub struct Entries {
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mode: EntryMode,
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range: DateRange,
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entries: Vec<Entry>,
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}
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impl Entries {
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pub fn new(mode: EntryMode, range: DateRange) -> Self {
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Self {
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mode,
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range,
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entries: vec![],
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}
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}
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fn is_rooted(&self, entry: &Entry) -> bool {
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match entry.root() {
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Some(date) => self.range.contains(date),
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None => false,
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}
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}
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fn is_touching(&self, entry: &Entry) -> bool {
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if let Some(dates) = entry.dates {
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// Inside the range or overlapping it
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dates.start() <= self.range.until() && self.range.from() <= dates.end()
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} else {
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false
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}
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}
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fn is_relevant(&self, entry: &Entry) -> bool {
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if entry.dates.is_none() {
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return true;
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}
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// Anything close to the range
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if self.is_touching(entry) {
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return true;
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}
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// Tasks that were finished inside the range
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if let EntryKind::TaskDone(done) = entry.kind {
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if self.range.contains(done) {
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return true;
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}
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}
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// Unfinished tasks before or inside the range
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if let EntryKind::Task = entry.kind {
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if let Some(dates) = entry.dates {
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if dates.start() <= self.range.until() {
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return true;
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}
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}
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}
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false
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}
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pub fn add(&mut self, entry: Entry) {
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let keep = match self.mode {
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EntryMode::Rooted => self.is_rooted(&entry),
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EntryMode::Touching => self.is_touching(&entry),
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EntryMode::Relevant => self.is_relevant(&entry),
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};
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if keep {
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self.entries.push(entry);
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}
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}
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pub fn entries(self) -> Vec<Entry> {
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self.entries
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}
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}
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