69 lines
2.2 KiB
Rust
69 lines
2.2 KiB
Rust
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//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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/// Error types for range module
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pub mod error {
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generate_error_module!(
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generate_error_types!(DateTimeRangeError, DateTimeRangeErrorKind,
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EndDateTimeBeforeStartDateTime => "End datetime is before start datetime"
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);
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);
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pub use self::error::DateTimeRangeError;
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pub use self::error::DateTimeRangeErrorKind;
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pub use self::error::MapErrInto;
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}
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/// Result type for range module
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pub mod result {
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use std::result::Result as RResult;
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use super::error::DateTimeRangeError;
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pub type Result<T> = RResult<T, DateTimeRangeError>;
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}
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use chrono::naive::datetime::NaiveDateTime;
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use libimagerror::into::IntoError;
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use self::result::Result;
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/// A Range between two dates
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub struct DateTimeRange(NaiveDateTime, NaiveDateTime);
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impl DateTimeRange {
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/// Create a new DateTimeRange object
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///
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/// # Return value
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///
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/// Ok(DateTimeRange) if start is before end,
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/// else Err(DateTimeRangeError)
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///
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pub fn new(start: NaiveDateTime, end: NaiveDateTime) -> Result<DateTimeRange> {
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use self::error::DateTimeRangeErrorKind as DTREK;
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if start < end {
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Ok(DateTimeRange(start, end))
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} else {
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Err(DTREK::EndDateTimeBeforeStartDateTime.into_error())
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}
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}
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}
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