Support default offset with dateformat option (#13289)

# Description
Fixes #13280. After apply this patch, we can use non-timezone string +
format option `into datetime` cmd

# User-Facing Changes
AS-IS (before fixing)
```
$ "09.02.2024 11:06:11" | into datetime --format '%m.%d.%Y %T'
Error: nu:🐚:cant_convert

  × Can't convert to could not parse as datetime using format '%m.%d.%Y %T'.
   ╭─[entry #1:1:25]
 1 │ "09.02.2024 11:06:11" | into datetime --format '%m.%d.%Y %T'
   ·                         ──────┬──────
   ·                               ╰── can't convert input is not enough for unique date and time to could not parse as datetime using format '%m.%d.%Y %T'
   ╰────
  help: you can use `into datetime` without a format string to enable flexible parsing

$ "09.02.2024 11:06:11" | into datetime
Mon, 2 Sep 2024 11:06:11 +0900 (in 2 months)
```

TO-BE(After fixing)

```
$ "09.02.2024 11:06:11" | into datetime --format '%m.%d.%Y %T'
Mon, 2 Sep 2024 20:06:11 +0900 (in 2 months)

$ "09.02.2024 11:06:11" | into datetime 
Mon, 2 Sep 2024 11:06:11 +0900 (in 2 months)
```


# Tests + Formatting
If there is agreement on the direction, I will add a test.

# After Submitting

---------

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>
This commit is contained in:
Sang-Heon Jeon 2024-07-05 00:44:12 +09:00 committed by GitHub
parent 3fae77209a
commit d5e00c0d5d
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@ -1,5 +1,5 @@
use crate::{generate_strftime_list, parse_date_from_string};
use chrono::{DateTime, FixedOffset, Local, NaiveTime, TimeZone, Utc};
use chrono::{DateTime, FixedOffset, Local, NaiveDateTime, NaiveTime, TimeZone, Utc};
use human_date_parser::{from_human_time, ParseResult};
use nu_cmd_base::input_handler::{operate, CmdArgument};
use nu_engine::command_prelude::*;
@ -162,24 +162,37 @@ impl Command for SubCommand {
};
vec![
Example {
description: "Convert any standard timestamp string to datetime",
description: "Convert timestamp string to datetime with timezone offset",
example: "'27.02.2021 1:55 pm +0000' | into datetime",
#[allow(clippy::inconsistent_digit_grouping)]
result: example_result_1(1614434100_000000000),
},
Example {
description: "Convert any standard timestamp string to datetime",
description: "Convert standard timestamp string to datetime with timezone offset",
example: "'2021-02-27T13:55:40.2246+00:00' | into datetime",
#[allow(clippy::inconsistent_digit_grouping)]
result: example_result_1(1614434140_224600000),
},
Example {
description:
"Convert non-standard timestamp string to datetime using a custom format",
"Convert non-standard timestamp string, with timezone offset, to datetime using a custom format",
example: "'20210227_135540+0000' | into datetime --format '%Y%m%d_%H%M%S%z'",
#[allow(clippy::inconsistent_digit_grouping)]
result: example_result_1(1614434140_000000000),
},
Example {
description: "Convert non-standard timestamp string, without timezone offset, to datetime with custom formatting",
example: "'16.11.1984 8:00 am' | into datetime --format '%d.%m.%Y %H:%M %P'",
#[allow(clippy::inconsistent_digit_grouping)]
result: Some(Value::date(
DateTime::from_naive_utc_and_offset(
NaiveDateTime::parse_from_str("16.11.1984 8:00 am", "%d.%m.%Y %H:%M %P")
.expect("date calculation should not fail in test"),
*Local::now().offset(),
),
Span::test_data(),
)),
},
Example {
description:
"Convert nanosecond-precision unix timestamp to a datetime with offset from UTC",
@ -372,10 +385,21 @@ fn action(input: &Value, args: &Arguments, head: Span) -> Value {
Some(dt) => match DateTime::parse_from_str(val, &dt.0) {
Ok(d) => Value::date ( d, head ),
Err(reason) => {
Value::error (
ShellError::CantConvert { to_type: format!("could not parse as datetime using format '{}'", dt.0), from_type: reason.to_string(), span: head, help: Some("you can use `into datetime` without a format string to enable flexible parsing".to_string()) },
head,
)
match NaiveDateTime::parse_from_str(val, &dt.0) {
Ok(d) => Value::date (
DateTime::from_naive_utc_and_offset(
d,
*Local::now().offset(),
),
head,
),
Err(_) => {
Value::error (
ShellError::CantConvert { to_type: format!("could not parse as datetime using format '{}'", dt.0), from_type: reason.to_string(), span: head, help: Some("you can use `into datetime` without a format string to enable flexible parsing".to_string()) },
head,
)
}
}
}
},
@ -457,7 +481,7 @@ mod tests {
}
#[test]
fn takes_a_date_format() {
fn takes_a_date_format_with_timezone() {
let date_str = Value::test_string("16.11.1984 8:00 am +0000");
let fmt_options = Some(DatetimeFormat("%d.%m.%Y %H:%M %P %z".to_string()));
let args = Arguments {
@ -473,6 +497,26 @@ mod tests {
assert_eq!(actual, expected)
}
#[test]
fn takes_a_date_format_without_timezone() {
let date_str = Value::test_string("16.11.1984 8:00 am");
let fmt_options = Some(DatetimeFormat("%d.%m.%Y %H:%M %P".to_string()));
let args = Arguments {
zone_options: None,
format_options: fmt_options,
cell_paths: None,
};
let actual = action(&date_str, &args, Span::test_data());
let expected = Value::date(
DateTime::from_naive_utc_and_offset(
NaiveDateTime::parse_from_str("16.11.1984 8:00 am", "%d.%m.%Y %H:%M %P").unwrap(),
*Local::now().offset(),
),
Span::test_data(),
);
assert_eq!(actual, expected)
}
#[test]
fn takes_iso8601_date_format() {
let date_str = Value::test_string("2020-08-04T16:39:18+00:00");