expand durations to include month, year, decade (#6123)

* expand durations to include month, year, decade

* remove commented out fn

* oops, found more debug comments

* tweaked tests for the new way, borrowed heavily from chrono-humanize-rs

* clippy

* grammar

crates/nu-command/src/conversions/into/duration.rs

@@ -28,6 +28,10 @@ impl Command for SubCommand {
         "Convert value to duration"
     }
 
+    fn extra_usage(&self) -> &str {
+        "into duration does not take leap years into account and every month is calculated with 30 days"
+    }
+
     fn search_terms(&self) -> Vec<&str> {
         vec!["convert", "time", "period"]
     }
@@ -149,6 +153,9 @@ fn string_to_duration(s: &str, span: Span, value_span: Span) -> Result<i64, Shel
                     Unit::Hour => return Ok(x * 60 * 60 * 1000 * 1000 * 1000),
                     Unit::Day => return Ok(x * 24 * 60 * 60 * 1000 * 1000 * 1000),
                     Unit::Week => return Ok(x * 7 * 24 * 60 * 60 * 1000 * 1000 * 1000),
+                    Unit::Month => return Ok(x * 30 * 24 * 60 * 60 * 1000 * 1000 * 1000), //30 days to a month
+                    Unit::Year => return Ok(x * 365 * 24 * 60 * 60 * 1000 * 1000 * 1000), //365 days to a year
+                    Unit::Decade => return Ok(x * 10 * 365 * 24 * 60 * 60 * 1000 * 1000 * 1000), //365 days to a year
                     _ => {}
                 }
             }

crates/nu-command/src/formats/from/nuon.rs

@@ -442,6 +442,14 @@ fn convert_to_value(
                     val: size * 1000 * 1000 * 1000 * 1000 * 1000,
                     span,
                 }),
+                Unit::Exabyte => Ok(Value::Filesize {
+                    val: size * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
+                    span,
+                }),
+                Unit::Zettabyte => Ok(Value::Filesize {
+                    val: size * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
+                    span,
+                }),
 
                 Unit::Kibibyte => Ok(Value::Filesize {
                     val: size * 1024,
@@ -463,6 +471,14 @@ fn convert_to_value(
                     val: size * 1024 * 1024 * 1024 * 1024 * 1024,
                     span,
                 }),
+                Unit::Exbibyte => Ok(Value::Filesize {
+                    val: size * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
+                    span,
+                }),
+                Unit::Zebibyte => Ok(Value::Filesize {
+                    val: size * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
+                    span,
+                }),
 
                 Unit::Nanosecond => Ok(Value::Duration { val: size, span }),
                 Unit::Microsecond => Ok(Value::Duration {
@@ -489,8 +505,8 @@ fn convert_to_value(
                     Some(val) => Ok(Value::Duration { val, span }),
                     None => Err(ShellError::OutsideSpannedLabeledError(
                         original_text.to_string(),
-                        "duration too large".into(),
-                        "duration too large".into(),
+                        "day duration too large".into(),
+                        "day duration too large".into(),
                         expr.span,
                     )),
                 },
@@ -499,11 +515,40 @@ fn convert_to_value(
                     Some(val) => Ok(Value::Duration { val, span }),
                     None => Err(ShellError::OutsideSpannedLabeledError(
                         original_text.to_string(),
-                        "duration too large".into(),
-                        "duration too large".into(),
+                        "week duration too large".into(),
+                        "week duration too large".into(),
                         expr.span,
                     )),
                 },
+                Unit::Month => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 30) {
+                    Some(val) => Ok(Value::Duration { val, span }),
+                    None => Err(ShellError::OutsideSpannedLabeledError(
+                        original_text.to_string(),
+                        "month duration too large".into(),
+                        "month duration too large".into(),
+                        expr.span,
+                    )),
+                },
+                Unit::Year => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 365) {
+                    Some(val) => Ok(Value::Duration { val, span }),
+                    None => Err(ShellError::OutsideSpannedLabeledError(
+                        original_text.to_string(),
+                        "year duration too large".into(),
+                        "year duration too large".into(),
+                        expr.span,
+                    )),
+                },
+                Unit::Decade => {
+                    match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 365 * 10) {
+                        Some(val) => Ok(Value::Duration { val, span }),
+                        None => Err(ShellError::OutsideSpannedLabeledError(
+                            original_text.to_string(),
+                            "decade duration too large".into(),
+                            "decade duration too large".into(),
+                            expr.span,
+                        )),
+                    }
+                }
             }
         }
         Expr::Var(..) => Err(ShellError::OutsideSpannedLabeledError(

crates/nu-command/tests/commands/math/mod.rs

@@ -291,7 +291,7 @@ fn duration_math() {
         "#
     ));
 
-    assert_eq!(actual.out, "8day");
+    assert_eq!(actual.out, "1wk 1day");
 }
 
 #[test]
@@ -315,7 +315,7 @@ fn duration_math_with_nanoseconds() {
         "#
     ));
 
-    assert_eq!(actual.out, "7day 10ns");
+    assert_eq!(actual.out, "1wk 10ns");
 }
 
 #[test]
@@ -327,7 +327,22 @@ fn duration_decimal_math_with_nanoseconds() {
         "#
     ));
 
-    assert_eq!(actual.out, "10day 10ns");
+    assert_eq!(actual.out, "1wk 3day 10ns");
+}
+
+#[test]
+fn duration_decimal_math_with_all_units() {
+    let actual = nu!(
+        cwd: "tests/fixtures/formats", pipeline(
+        r#"
+            5dec + 3yr + 2month + 1wk + 3day + 8hr + 10min + 16sec + 121ms + 11us + 12ns
+        "#
+    ));
+
+    assert_eq!(
+        actual.out,
+        "53yr 2month 1wk 3day 8hr 10min 16sec 121ms 11µs 12ns"
+    );
 }
 
 #[test]

crates/nu-engine/src/eval.rs

@@ -1452,6 +1452,14 @@ fn compute(size: i64, unit: Unit, span: Span) -> Value {
             val: size * 1000 * 1000 * 1000 * 1000 * 1000,
             span,
         },
+        Unit::Exabyte => Value::Filesize {
+            val: size * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
+            span,
+        },
+        Unit::Zettabyte => Value::Filesize {
+            val: size * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
+            span,
+        },
 
         Unit::Kibibyte => Value::Filesize {
             val: size * 1024,
@@ -1473,6 +1481,14 @@ fn compute(size: i64, unit: Unit, span: Span) -> Value {
             val: size * 1024 * 1024 * 1024 * 1024 * 1024,
             span,
         },
+        Unit::Exbibyte => Value::Filesize {
+            val: size * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
+            span,
+        },
+        Unit::Zebibyte => Value::Filesize {
+            val: size * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024,
+            span,
+        },
 
         Unit::Nanosecond => Value::Duration { val: size, span },
         Unit::Microsecond => Value::Duration {
@@ -1499,8 +1515,8 @@ fn compute(size: i64, unit: Unit, span: Span) -> Value {
             Some(val) => Value::Duration { val, span },
             None => Value::Error {
                 error: ShellError::GenericError(
-                    "duration too large".into(),
-                    "duration too large".into(),
+                    "day duration too large".into(),
+                    "day duration too large".into(),
                     Some(span),
                     None,
                     Vec::new(),
@@ -1511,8 +1527,44 @@ fn compute(size: i64, unit: Unit, span: Span) -> Value {
             Some(val) => Value::Duration { val, span },
             None => Value::Error {
                 error: ShellError::GenericError(
-                    "duration too large".into(),
-                    "duration too large".into(),
+                    "week duration too large".into(),
+                    "week duration too large".into(),
+                    Some(span),
+                    None,
+                    Vec::new(),
+                ),
+            },
+        },
+        Unit::Month => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 30) {
+            Some(val) => Value::Duration { val, span },
+            None => Value::Error {
+                error: ShellError::GenericError(
+                    "month duration too large".into(),
+                    "month duration too large".into(),
+                    Some(span),
+                    None,
+                    Vec::new(),
+                ),
+            },
+        },
+        Unit::Year => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 365) {
+            Some(val) => Value::Duration { val, span },
+            None => Value::Error {
+                error: ShellError::GenericError(
+                    "year duration too large".into(),
+                    "year duration too large".into(),
+                    Some(span),
+                    None,
+                    Vec::new(),
+                ),
+            },
+        },
+        Unit::Decade => match size.checked_mul(1000 * 1000 * 1000 * 60 * 60 * 24 * 365 * 10) {
+            Some(val) => Value::Duration { val, span },
+            None => Value::Error {
+                error: ShellError::GenericError(
+                    "decade duration too large".into(),
+                    "decade duration too large".into(),
                     Some(span),
                     None,
                     Vec::new(),

crates/nu-parser/src/parser.rs

@@ -2170,6 +2170,9 @@ pub fn parse_duration_bytes(bytes: &[u8], span: Span) -> Option<Expression> {
         (Unit::Hour, "HR", Some((Unit::Minute, 60))),
         (Unit::Day, "DAY", Some((Unit::Minute, 1440))),
         (Unit::Week, "WK", Some((Unit::Day, 7))),
+        (Unit::Month, "MONTH", Some((Unit::Day, 30))), //30 day month
+        (Unit::Year, "YR", Some((Unit::Day, 365))),    //365 day year
+        (Unit::Decade, "DEC", Some((Unit::Year, 10))), //365 day years
     ];
     if let Some(unit) = unit_groups.iter().find(|&x| upper.ends_with(x.1)) {
         let mut lhs = token;
@@ -2264,11 +2267,15 @@ pub fn parse_filesize(
         (Unit::Gigabyte, "GB", Some((Unit::Megabyte, 1000))),
         (Unit::Terabyte, "TB", Some((Unit::Gigabyte, 1000))),
         (Unit::Petabyte, "PB", Some((Unit::Terabyte, 1000))),
+        (Unit::Exabyte, "EB", Some((Unit::Petabyte, 1000))),
+        (Unit::Zettabyte, "ZB", Some((Unit::Exabyte, 1000))),
         (Unit::Kibibyte, "KIB", Some((Unit::Byte, 1024))),
         (Unit::Mebibyte, "MIB", Some((Unit::Kibibyte, 1024))),
         (Unit::Gibibyte, "GIB", Some((Unit::Mebibyte, 1024))),
         (Unit::Tebibyte, "TIB", Some((Unit::Gibibyte, 1024))),
         (Unit::Pebibyte, "PIB", Some((Unit::Tebibyte, 1024))),
+        (Unit::Exbibyte, "EIB", Some((Unit::Pebibyte, 1024))),
+        (Unit::Zebibyte, "ZIB", Some((Unit::Exbibyte, 1024))),
         (Unit::Byte, "B", None),
     ];
     if let Some(unit) = unit_groups.iter().find(|&x| upper.ends_with(x.1)) {

crates/nu-protocol/src/value/mod.rs

@@ -5,32 +5,32 @@ mod range;
 mod stream;
 mod unit;
 
+use crate::ast::Operator;
+use crate::ast::{CellPath, PathMember};
+use crate::ShellError;
+use crate::{did_you_mean, BlockId, Config, Span, Spanned, Type, VarId};
 use byte_unit::ByteUnit;
-use chrono::{DateTime, FixedOffset};
+use chrono::{DateTime, Duration, FixedOffset};
 use chrono_humanize::HumanTime;
+pub use custom_value::CustomValue;
 pub use from_value::FromValue;
 use indexmap::map::IndexMap;
 use num_format::{Locale, ToFormattedString};
 pub use range::*;
 use regex::Regex;
 use serde::{Deserialize, Serialize};
+use std::{
+    borrow::Cow,
+    collections::HashMap,
+    fmt::{Display, Formatter, Result as FmtResult},
+    iter,
+    path::PathBuf,
+    {cmp::Ordering, fmt::Debug},
+};
 pub use stream::*;
 use sys_locale::get_locale;
 pub use unit::*;
 
-use std::collections::HashMap;
-use std::path::PathBuf;
-use std::{cmp::Ordering, fmt::Debug};
-
-use crate::ast::{CellPath, PathMember};
-use crate::{did_you_mean, BlockId, Config, Span, Spanned, Type, VarId};
-
-use crate::ast::Operator;
-pub use custom_value::CustomValue;
-use std::iter;
-
-use crate::ShellError;
-
 /// Core structured values that pass through the pipeline in Nushell.
 // NOTE: Please do not reorder these enum cases without thinking through the
 // impact on the PartialOrd implementation and the global sort order
@@ -2525,54 +2525,210 @@ impl From<Spanned<IndexMap<String, Value>>> for Value {
     }
 }
 
-/// Format a duration in nanoseconds into a string
+/// Is the given year a leap year?
+#[allow(clippy::nonminimal_bool)]
+pub fn is_leap_year(year: i32) -> bool {
+    (year % 4 == 0) && (year % 100 != 0 || (year % 100 == 0 && year % 400 == 0))
+}
+
+#[derive(Clone, Copy)]
+enum TimePeriod {
+    Nanos(i64),
+    Micros(i64),
+    Millis(i64),
+    Seconds(i64),
+    Minutes(i64),
+    Hours(i64),
+    Days(i64),
+    Weeks(i64),
+    Months(i64),
+    Years(i64),
+}
+
+impl TimePeriod {
+    fn to_text(self) -> Cow<'static, str> {
+        match self {
+            Self::Nanos(n) => format!("{}ns", n).into(),
+            Self::Micros(n) => format!("{}µs", n).into(),
+            Self::Millis(n) => format!("{}ms", n).into(),
+            Self::Seconds(n) => format!("{}sec", n).into(),
+            Self::Minutes(n) => format!("{}min", n).into(),
+            Self::Hours(n) => format!("{}hr", n).into(),
+            Self::Days(n) => format!("{}day", n).into(),
+            Self::Weeks(n) => format!("{}wk", n).into(),
+            Self::Months(n) => format!("{}month", n).into(),
+            Self::Years(n) => format!("{}yr", n).into(),
+        }
+    }
+}
+
+impl Display for TimePeriod {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        write!(f, "{}", self.to_text())
+    }
+}
+
 pub fn format_duration(duration: i64) -> String {
+    // Attribution: most of this is taken from chrono-humanize-rs. Thanks!
+    // https://gitlab.com/imp/chrono-humanize-rs/-/blob/master/src/humantime.rs
+    const DAYS_IN_YEAR: i64 = 365;
+    const DAYS_IN_MONTH: i64 = 30;
+
     let (sign, duration) = if duration >= 0 {
         (1, duration)
     } else {
         (-1, -duration)
     };
-    let (micros, nanos): (i64, i64) = (duration / 1000, duration % 1000);
-    let (millis, micros): (i64, i64) = (micros / 1000, micros % 1000);
-    let (secs, millis): (i64, i64) = (millis / 1000, millis % 1000);
-    let (mins, secs): (i64, i64) = (secs / 60, secs % 60);
-    let (hours, mins): (i64, i64) = (mins / 60, mins % 60);
-    let (days, hours): (i64, i64) = (hours / 24, hours % 24);
 
-    let mut output_prep = vec![];
+    let dur = Duration::nanoseconds(duration);
 
-    if days != 0 {
-        output_prep.push(format!("{}day", days));
+    /// Split this a duration into number of whole years and the remainder
+    fn split_years(duration: Duration) -> (Option<i64>, Duration) {
+        let years = duration.num_days() / DAYS_IN_YEAR;
+        let remainder = duration - Duration::days(years * DAYS_IN_YEAR);
+        normalize_split(years, remainder)
     }
 
-    if hours != 0 {
-        output_prep.push(format!("{}hr", hours));
+    /// Split this a duration into number of whole months and the remainder
+    fn split_months(duration: Duration) -> (Option<i64>, Duration) {
+        let months = duration.num_days() / DAYS_IN_MONTH;
+        let remainder = duration - Duration::days(months * DAYS_IN_MONTH);
+        normalize_split(months, remainder)
     }
 
-    if mins != 0 {
-        output_prep.push(format!("{}min", mins));
-    }
-    // output 0sec for zero duration
-    if duration == 0 || secs != 0 {
-        output_prep.push(format!("{}sec", secs));
+    /// Split this a duration into number of whole weeks and the remainder
+    fn split_weeks(duration: Duration) -> (Option<i64>, Duration) {
+        let weeks = duration.num_weeks();
+        let remainder = duration - Duration::weeks(weeks);
+        normalize_split(weeks, remainder)
     }
 
-    if millis != 0 {
-        output_prep.push(format!("{}ms", millis));
+    /// Split this a duration into number of whole days and the remainder
+    fn split_days(duration: Duration) -> (Option<i64>, Duration) {
+        let days = duration.num_days();
+        let remainder = duration - Duration::days(days);
+        normalize_split(days, remainder)
     }
 
-    if micros != 0 {
-        output_prep.push(format!("{}us", micros));
+    /// Split this a duration into number of whole hours and the remainder
+    fn split_hours(duration: Duration) -> (Option<i64>, Duration) {
+        let hours = duration.num_hours();
+        let remainder = duration - Duration::hours(hours);
+        normalize_split(hours, remainder)
     }
 
-    if nanos != 0 {
-        output_prep.push(format!("{}ns", nanos));
+    /// Split this a duration into number of whole minutes and the remainder
+    fn split_minutes(duration: Duration) -> (Option<i64>, Duration) {
+        let minutes = duration.num_minutes();
+        let remainder = duration - Duration::minutes(minutes);
+        normalize_split(minutes, remainder)
     }
 
+    /// Split this a duration into number of whole seconds and the remainder
+    fn split_seconds(duration: Duration) -> (Option<i64>, Duration) {
+        let seconds = duration.num_seconds();
+        let remainder = duration - Duration::seconds(seconds);
+        normalize_split(seconds, remainder)
+    }
+
+    /// Split this a duration into number of whole milliseconds and the remainder
+    fn split_milliseconds(duration: Duration) -> (Option<i64>, Duration) {
+        let millis = duration.num_milliseconds();
+        let remainder = duration - Duration::milliseconds(millis);
+        normalize_split(millis, remainder)
+    }
+
+    /// Split this a duration into number of whole seconds and the remainder
+    fn split_microseconds(duration: Duration) -> (Option<i64>, Duration) {
+        let micros = duration.num_microseconds().unwrap_or_default();
+        let remainder = duration - Duration::microseconds(micros);
+        normalize_split(micros, remainder)
+    }
+
+    /// Split this a duration into number of whole seconds and the remainder
+    fn split_nanoseconds(duration: Duration) -> (Option<i64>, Duration) {
+        let nanos = duration.num_nanoseconds().unwrap_or_default();
+        let remainder = duration - Duration::nanoseconds(nanos);
+        normalize_split(nanos, remainder)
+    }
+
+    fn normalize_split(
+        wholes: impl Into<Option<i64>>,
+        remainder: Duration,
+    ) -> (Option<i64>, Duration) {
+        let wholes = wholes.into().map(i64::abs).filter(|x| *x > 0);
+        (wholes, remainder)
+    }
+
+    let mut periods = vec![];
+    let (years, remainder) = split_years(dur);
+    if let Some(years) = years {
+        periods.push(TimePeriod::Years(years));
+    }
+
+    let (months, remainder) = split_months(remainder);
+    if let Some(months) = months {
+        periods.push(TimePeriod::Months(months));
+    }
+
+    let (weeks, remainder) = split_weeks(remainder);
+    if let Some(weeks) = weeks {
+        periods.push(TimePeriod::Weeks(weeks));
+    }
+
+    let (days, remainder) = split_days(remainder);
+    if let Some(days) = days {
+        periods.push(TimePeriod::Days(days));
+    }
+
+    let (hours, remainder) = split_hours(remainder);
+    if let Some(hours) = hours {
+        periods.push(TimePeriod::Hours(hours));
+    }
+
+    let (minutes, remainder) = split_minutes(remainder);
+    if let Some(minutes) = minutes {
+        periods.push(TimePeriod::Minutes(minutes));
+    }
+
+    let (seconds, remainder) = split_seconds(remainder);
+    if let Some(seconds) = seconds {
+        periods.push(TimePeriod::Seconds(seconds));
+    }
+
+    let (millis, remainder) = split_milliseconds(remainder);
+    if let Some(millis) = millis {
+        periods.push(TimePeriod::Millis(millis));
+    }
+
+    let (micros, remainder) = split_microseconds(remainder);
+    if let Some(micros) = micros {
+        periods.push(TimePeriod::Micros(micros));
+    }
+
+    let (nanos, _remainder) = split_nanoseconds(remainder);
+    if let Some(nanos) = nanos {
+        periods.push(TimePeriod::Nanos(nanos));
+    }
+
+    if periods.is_empty() {
+        periods.push(TimePeriod::Seconds(0));
+    }
+
+    // let last = periods.pop().map(|last| last.to_text().to_string());
+    let text = periods
+        .into_iter()
+        .map(|p| p.to_text().to_string())
+        .collect::<Vec<String>>();
+
+    // if let Some(last) = last {
+    //     text.push(format!("and {}", last));
+    // }
+
     format!(
         "{}{}",
         if sign == -1 { "-" } else { "" },
-        output_prep.join(" ")
+        text.join(" ").trim()
     )
 }
 

crates/nu-protocol/src/value/unit.rs

@@ -9,6 +9,8 @@ pub enum Unit {
     Gigabyte,
     Terabyte,
     Petabyte,
+    Exabyte,
+    Zettabyte,
 
     // Filesize units: ISO/IEC 80000
     Kibibyte,
@@ -16,6 +18,8 @@ pub enum Unit {
     Gibibyte,
     Tebibyte,
     Pebibyte,
+    Exbibyte,
+    Zebibyte,
 
     // Duration units
     Nanosecond,
@@ -26,4 +30,7 @@ pub enum Unit {
     Hour,
     Day,
     Week,
+    Month,
+    Year,
+    Decade,
 }