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UPDATE(easter egg): Add an argument for NOW

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This shows the time in different timezones
This commit is contained in:
Nicolás Hatcher
2025-11-23 22:14:02 +01:00
committed by Nicolás Hatcher Andrés
parent 3fbb91c414
commit 4ca996cd3f
1 changed files with 28 additions and 6 deletions
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34
base/src/functions/date_and_time.rs
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@@ -4,6 +4,7 @@ use chrono::Months;
use chrono::NaiveDateTime;
use chrono::NaiveTime;
use chrono::Timelike;
use chrono_tz::Tz;
const SECONDS_PER_DAY: i32 = 86_400;
const SECONDS_PER_DAY_F64: f64 = SECONDS_PER_DAY as f64;
@@ -770,12 +771,12 @@ impl Model {
Ok(values)
}
// Returns the current date/time as an Excel serial number in the model's configured timezone.
// Returns the current date/time as an Excel serial number in the given timezone.
// Used by TODAY() and NOW().
fn current_excel_serial(&self) -> Option<f64> {
pub(crate) fn current_excel_serial_with_timezone(&self, tz: Tz) -> Option<f64> {
let seconds = get_milliseconds_since_epoch() / 1000;
DateTime::from_timestamp(seconds, 0).map(|dt| {
let local_time = dt.with_timezone(&self.tz);
let local_time = dt.with_timezone(&tz);
let days_from_1900 = local_time.num_days_from_ce() - EXCEL_DATE_BASE;
let fraction = (local_time.num_seconds_from_midnight() as f64) / (60.0 * 60.0 * 24.0);
days_from_1900 as f64 + fraction
@@ -978,7 +979,7 @@ impl Model {
message: "Wrong number of arguments".to_string(),
};
}
match self.current_excel_serial() {
match self.current_excel_serial_with_timezone(self.tz) {
Some(serial) => CalcResult::Number(serial.floor()),
None => CalcResult::Error {
error: Error::ERROR,
@@ -989,14 +990,35 @@ impl Model {
}
pub(crate) fn fn_now(&mut self, args: &[Node], cell: CellReferenceIndex) -> CalcResult {
if !args.is_empty() {
if args.len() > 1 {
return CalcResult::Error {
error: Error::ERROR,
origin: cell,
message: "Wrong number of arguments".to_string(),
};
}
match self.current_excel_serial() {
let tz = match args.first() {
Some(arg0) => {
// Parse timezone argument
let tz_str = match self.get_string(arg0, cell) {
Ok(s) => s,
Err(e) => return e,
};
let tz: Tz = match &tz_str.parse() {
Ok(tz) => *tz,
Err(_) => {
return CalcResult::Error {
error: Error::ERROR,
origin: cell,
message: format!("Invalid timezone: {}", &tz_str),
}
}
};
tz
}
None => self.tz,
};
match self.current_excel_serial_with_timezone(tz) {
Some(serial) => CalcResult::Number(serial),
None => CalcResult::Error {
error: Error::ERROR,