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bb6e012ad8
Summary: Represented as a chrono datetime in Rust and an (i64, i32) pair in Thrift. Reviewed By: jsgf Differential Revision: D7325332 fbshipit-source-id: 22c3b17961ffb0b4fdb4e6e8aece3b257b3c718e
44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
// Copyright (c) 2018-present, Facebook, Inc.
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// All Rights Reserved.
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//
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// This software may be used and distributed according to the terms of the
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// GNU General Public License version 2 or any later version.
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use chrono::{FixedOffset, TimeZone};
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use mononoke_types::DateTime;
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/// Return a `DateTime` corresponding to <year>-01-01 00:00:00 UTC.
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pub fn day_1_utc(year: i32) -> DateTime {
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DateTime::new(FixedOffset::west(0).ymd(year, 1, 1).and_hms(0, 0, 0))
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}
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/// Return a `DateTime` corresponding to <year>-01-01 00:00:00 UTC,
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/// with the specified offset applied.
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pub fn day_1_tz(year: i32, offset: i32) -> DateTime {
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DateTime::new(FixedOffset::west(offset).ymd(year, 1, 1).and_hms(0, 0, 0))
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}
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pub const PST_OFFSET: i32 = 7 * 3600;
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lazy_static! {
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/// 1970-01-01 00:00:00 UTC.
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pub static ref EPOCH_ZERO: DateTime = DateTime::from_timestamp(0, 0).unwrap();
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/// 1970-01-01 00:00:00 UTC-07.
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pub static ref EPOCH_ZERO_PST: DateTime = DateTime::from_timestamp(0, PST_OFFSET).unwrap();
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/// 1900-01-01 00:00:00 UTC.
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pub static ref YEAR_1900: DateTime = day_1_utc(1900);
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/// 1900-01-01 00:00:00 UTC-07.
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pub static ref YEAR_1900_PST: DateTime = day_1_tz(1900, PST_OFFSET);
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/// 2000-01-01 00:00:00 UTC.
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pub static ref YEAR_2000: DateTime = day_1_utc(2000);
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/// 2000-01-01 00:00:00 UTC-07.
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pub static ref YEAR_2000_PST: DateTime = day_1_tz(2000, PST_OFFSET);
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/// 2100-01-01 00:00:00 UTC.
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pub static ref YEAR_2100: DateTime = day_1_utc(2000);
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pub static ref YEAR_2100_PST: DateTime = day_1_tz(2100, PST_OFFSET);
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}
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