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refactor: move TimeRotation into one separate module and add test for it
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| // Copyright 2024 tison <[email protected]> | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| use time::format_description; | ||
| use time::Duration; | ||
| use time::OffsetDateTime; | ||
| use time::Time; | ||
|
|
||
| /// Defines a fixed period for rolling of a log file. | ||
| #[derive(Clone, Eq, PartialEq, Debug)] | ||
| pub enum TimeRotation { | ||
| /// Minutely Rotation | ||
| Minutely, | ||
| /// Hourly Rotation | ||
| Hourly, | ||
| /// Daily Rotation | ||
| Daily, | ||
| /// No Time Rotation | ||
| Never, | ||
| } | ||
|
|
||
| impl TimeRotation { | ||
| pub fn next_date_timestamp(&self, current_date: &OffsetDateTime) -> Option<usize> { | ||
| let next_date = match *self { | ||
| TimeRotation::Minutely => *current_date + Duration::minutes(1), | ||
| TimeRotation::Hourly => *current_date + Duration::hours(1), | ||
| TimeRotation::Daily => *current_date + Duration::days(1), | ||
| TimeRotation::Never => return None, | ||
| }; | ||
|
|
||
| Some(self.round_date(&next_date).unix_timestamp() as usize) | ||
| } | ||
|
|
||
| fn round_date(&self, date: &OffsetDateTime) -> OffsetDateTime { | ||
| match *self { | ||
| TimeRotation::Minutely => { | ||
| let time = Time::from_hms(date.hour(), date.minute(), 0) | ||
| .expect("invalid time; this is a bug in logforth rolling file appender"); | ||
| date.replace_time(time) | ||
| } | ||
| TimeRotation::Hourly => { | ||
| let time = Time::from_hms(date.hour(), 0, 0) | ||
| .expect("invalid time; this is a bug in logforth rolling file appender"); | ||
| date.replace_time(time) | ||
| } | ||
| TimeRotation::Daily => { | ||
| let time = Time::from_hms(0, 0, 0) | ||
| .expect("invalid time; this is a bug in logforth rolling file appender"); | ||
| date.replace_time(time) | ||
| } | ||
| TimeRotation::Never => unreachable!("Rotation::Never is impossible to round."), | ||
| } | ||
| } | ||
|
|
||
| pub fn date_format(&self) -> Vec<format_description::FormatItem<'static>> { | ||
| match *self { | ||
| TimeRotation::Minutely => { | ||
| format_description::parse("[year]-[month]-[day]-[hour]-[minute]") | ||
| } | ||
| TimeRotation::Hourly => format_description::parse("[year]-[month]-[day]-[hour]"), | ||
| TimeRotation::Daily => format_description::parse("[year]-[month]-[day]"), | ||
| TimeRotation::Never => format_description::parse("[year]-[month]-[day]"), | ||
| } | ||
| .expect("failed to create a formatter; this is a bug in logforth rolling file appender") | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use super::TimeRotation; | ||
| use time::macros::datetime; | ||
|
|
||
| #[test] | ||
| fn test_next_date_timestamp() { | ||
| let current_date = datetime!(2024-08-10 17:12:52 +8); | ||
|
|
||
| assert_eq!( | ||
| TimeRotation::Minutely.next_date_timestamp(¤t_date), | ||
| Some(datetime!(2024-08-10 17:13:00 +8).unix_timestamp() as usize) | ||
| ); | ||
| assert_eq!( | ||
| TimeRotation::Hourly.next_date_timestamp(¤t_date), | ||
| Some(datetime!(2024-08-10 18:00:00 +8).unix_timestamp() as usize) | ||
| ); | ||
| assert_eq!( | ||
| TimeRotation::Daily.next_date_timestamp(¤t_date), | ||
| Some(datetime!(2024-08-11 00:00:00 +8).unix_timestamp() as usize) | ||
| ); | ||
| assert_eq!(TimeRotation::Never.next_date_timestamp(¤t_date), None); | ||
| } | ||
| } |