Layout entries

src/cli.rs

@@ -0,0 +1,41 @@
+use std::path::PathBuf;
+
+use chrono::NaiveDate;
+use structopt::StructOpt;
+
+use crate::eval::{DateRange, EntryMode};
+use crate::files::Files;
+
+use self::layout::Layout;
+
+mod layout;
+
+#[derive(Debug, StructOpt)]
+pub struct Opt {
+    #[structopt(parse(from_os_str))]
+    file: PathBuf,
+}
+
+pub fn run() -> anyhow::Result<()> {
+    let opt = Opt::from_args();
+
+    let files = Files::load(&opt.file)?;
+    let now = files.now();
+    let today = now.date().naive_local();
+
+    let range = DateRange::new(
+        NaiveDate::from_ymd(2021, 1, 1),
+        NaiveDate::from_ymd(2022, 12, 31),
+    )
+    .unwrap();
+
+    let entries = files.eval(EntryMode::Relevant, range)?;
+    println!("{:#?}", entries);
+
+    let mut layout = Layout::new(range, today);
+    layout.layout(&files, &entries);
+    println!("{:#?}", layout);
+
+    files.save()?;
+    Ok(())
+}

src/cli/layout.rs

@@ -0,0 +1,147 @@
+use std::collections::HashMap;
+
+use chrono::NaiveDate;
+
+use crate::eval::{DateRange, Dates, Entry, EntryKind};
+use crate::files::primitives::Time;
+use crate::files::Files;
+
+#[derive(Debug)]
+pub struct TimedLayout {
+    pub ending: Vec<usize>,
+    pub at: Vec<usize>,
+    pub starting: Vec<usize>,
+}
+
+impl TimedLayout {
+    pub fn new() -> Self {
+        Self {
+            ending: vec![],
+            at: vec![],
+            starting: vec![],
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct DayLayout {
+    pub ending: Vec<usize>,
+    pub timed: HashMap<Time, TimedLayout>,
+    pub at: Vec<usize>,
+    pub other: Vec<usize>,
+    pub starting: Vec<usize>,
+}
+
+impl DayLayout {
+    pub fn new() -> Self {
+        Self {
+            ending: vec![],
+            timed: HashMap::new(),
+            at: vec![],
+            other: vec![],
+            starting: vec![],
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct Layout {
+    pub range: DateRange,
+    pub today: NaiveDate,
+    pub days: HashMap<NaiveDate, DayLayout>,
+}
+
+impl Layout {
+    pub fn new(range: DateRange, today: NaiveDate) -> Self {
+        let mut days = HashMap::new();
+        for day in range.days() {
+            days.insert(day, DayLayout::new());
+        }
+        Self { range, today, days }
+    }
+
+    pub fn layout(&mut self, files: &Files, entries: &[Entry]) {
+        let mut commands = entries
+            .iter()
+            .enumerate()
+            .map(|(i, e)| (i, e, files.command(e.source)))
+            .collect::<Vec<_>>();
+
+        // Sort entries (maintaining the keys) so the output is more deterministic
+        commands.sort_by_key(|(_, _, c)| c.title());
+        commands.sort_by_key(|(_, e, _)| e.dates.map(|d| (d.end(), d.end_time())));
+        commands.sort_by_key(|(_, e, _)| e.dates.map(|d| (d.start(), d.start_time())));
+
+        for (index, entry, _) in commands {
+            self.insert(index, entry);
+        }
+    }
+
+    fn insert(&mut self, index: usize, entry: &Entry) {
+        if let Some(dates) = entry.dates {
+            self.insert_dated(index, dates);
+            if let EntryKind::TaskDone(at) = entry.kind {
+                self.insert_other(at, index);
+            }
+        } else {
+            self.insert_other(self.today, index);
+        }
+    }
+
+    fn insert_dated(&mut self, index: usize, dates: Dates) {
+        let (start, end) = dates.start_end();
+        if start < self.range.from() && self.range.until() < end {
+            self.insert_other(self.today, index);
+        } else if let Some((date, time)) = dates.point_in_time() {
+            self.insert_at(date, time, index);
+        } else {
+            let (start_time, end_time) = match dates.start_end_time() {
+                Some((s, e)) => (Some(s), Some(e)),
+                None => (None, None),
+            };
+            self.insert_start(start, start_time, index);
+            self.insert_end(end, end_time, index);
+        }
+    }
+
+    fn insert_f(&mut self, date: NaiveDate, f: impl FnOnce(&mut DayLayout)) {
+        if let Some(l) = self.days.get_mut(&date) {
+            f(l);
+        }
+    }
+
+    fn insert_timed_f(&mut self, date: NaiveDate, time: Time, f: impl FnOnce(&mut TimedLayout)) {
+        if let Some(l) = self.days.get_mut(&date) {
+            let tl = l.timed.entry(time).or_insert_with(TimedLayout::new);
+            f(tl);
+        }
+    }
+
+    fn insert_start(&mut self, date: NaiveDate, time: Option<Time>, index: usize) {
+        if let Some(time) = time {
+            self.insert_timed_f(date, time, |tl| tl.starting.push(index));
+        } else {
+            self.insert_f(date, |dl| dl.starting.push(index));
+        }
+    }
+
+    fn insert_at(&mut self, date: NaiveDate, time: Option<Time>, index: usize) {
+        if let Some(time) = time {
+            self.insert_timed_f(date, time, |tl| tl.at.push(index));
+        } else {
+            self.insert_f(date, |dl| dl.at.push(index));
+        }
+    }
+
+    fn insert_end(&mut self, date: NaiveDate, time: Option<Time>, index: usize) {
+        if let Some(time) = time {
+            self.insert_timed_f(date, time, |tl| tl.ending.push(index));
+        } else {
+            self.insert_f(date, |dl| dl.ending.push(index));
+        }
+    }
+
+    fn insert_other(&mut self, date: NaiveDate, index: usize) {
+        self.insert_f(date, |dl| dl.other.push(index));
+    }
+}

src/eval.rs

@@ -1,7 +1,7 @@
 use crate::files::Files;
 
 use self::command::CommandState;
-use self::date::Dates;
+pub use self::date::Dates;
 use self::entry::Entries;
 pub use self::entry::{Entry, EntryKind, EntryMode};
 pub use self::error::{Error, Result};
@@ -23,17 +23,6 @@ impl Files {
                 entries.add(entry);
             }
         }
-        let mut entries = entries.entries();
-        entries.sort_by_key(|e| {
-            e.dates.map(|d| {
-                let (start, end) = d.start_end();
-                if let Some((start_time, end_time)) = d.start_end_time() {
-                    (start, Some(start_time), end, Some(end_time))
-                } else {
-                    (start, None, end, None)
-                }
-            })
-        });
-        Ok(entries)
+        Ok(entries.entries())
     }
 }

src/eval/date.rs

@@ -114,6 +114,17 @@ impl Dates {
         self.start_end_time().map(|times| times.1)
     }
 
+    pub fn point_in_time(&self) -> Option<(NaiveDate, Option<Time>)> {
+        if self.root != self.other {
+            return None;
+        }
+        match self.times {
+            Some(times) if times.root == times.other => Some((self.root, Some(times.root))),
+            Some(_) => None,
+            None => Some((self.root, None)),
+        }
+    }
+
     pub fn move_by(&self, delta: Duration) -> Self {
         Self {
             root: self.root + delta,

src/files/primitives.rs

@@ -51,7 +51,7 @@ impl<T> Spanned<T> {
 //     }
 // }
 
-#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct Time {
     pub hour: u8,
     pub min: u8,

src/main.rs

@@ -3,44 +3,10 @@
 #![warn(clippy::all)]
 #![warn(clippy::use_self)]
 
-use std::path::PathBuf;
-
-use chrono::NaiveDate;
-use structopt::StructOpt;
-
-use crate::eval::{DateRange, EntryMode};
-use crate::files::Files;
-
+mod cli;
 mod eval;
 mod files;
 
-#[derive(Debug, StructOpt)]
-pub struct Opt {
-    #[structopt(parse(from_os_str))]
-    file: PathBuf,
-}
-
 fn main() -> anyhow::Result<()> {
-    let opt = Opt::from_args();
-
-    let mut files = Files::load(&opt.file)?;
-    println!("{}", files.now().format("%F %T %Z"));
-
-    let range = DateRange::new(
-        NaiveDate::from_ymd(2021, 1, 1),
-        NaiveDate::from_ymd(2022, 12, 31),
-    )
-    .unwrap();
-    for entry in files.eval(EntryMode::Relevant, range)? {
-        let title = files.command(entry.source).title();
-        if let Some(dates) = entry.dates {
-            println!("{:36} - {}", format!("{}", dates), title);
-        } else {
-            println!("{:36} - {}", "undated", title);
-        }
-    }
-
-    files.mark_all_dirty();
-    files.save()?;
-    Ok(())
+    cli::run()
 }