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Add helper function to parse string with kairos

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Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2019-10-03 15:52:16 +02:00
parent 81c6ee8314
commit 9801a3c295
3 changed files with 27 additions and 0 deletions
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1
bin/domain/imag-calendar/Cargo.toml
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@ -27,6 +27,7 @@ walkdir = "2.2.8"
vobject = "0.7"
handlebars = "2"
chrono = "0.4"
kairos = "0.3"
libimagrt = { version = "0.10.0", path = "../../../lib/core/libimagrt" }
libimagstore = { version = "0.10.0", path = "../../../lib/core/libimagstore" }

1
bin/domain/imag-calendar/src/main.rs
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@ -41,6 +41,7 @@ extern crate toml_query;
extern crate walkdir;
extern crate handlebars;
extern crate chrono;
extern crate kairos;
#[macro_use] extern crate libimagrt;
extern crate libimagcalendar;

25
bin/domain/imag-calendar/src/util.rs
View file

@ -27,6 +27,7 @@ use failure::Fallible as Result;
use failure::Error;
use failure::err_msg;
use toml_query::read::TomlValueReadTypeExt;
use chrono::NaiveDateTime;
use libimagrt::runtime::Runtime;
use libimagstore::store::FileLockEntry;
@ -34,6 +35,7 @@ use libimagentryref::reference::fassade::RefFassade;
use libimagentryref::reference::Ref;
use libimagentryref::reference::Config;
use libimagentryref::hasher::default::DefaultHasher;
use libimagerror::trace::MapErrTrace;
pub struct ParsedEventFLE<'a> {
inner: FileLockEntry<'a>,
@ -117,3 +119,26 @@ pub fn build_data_object_for_handlebars<'a>(i: usize, event: &Event<'a>)
data
}
pub fn kairos_parse(spec: &str) -> Result<NaiveDateTime> {
match ::kairos::parser::parse(spec).map_err_trace_exit_unwrap() {
::kairos::parser::Parsed::Iterator(_) => {
trace!("before-filter spec resulted in iterator");
Err(format_err!("Not a moment in time: {}", spec))
}
::kairos::parser::Parsed::TimeType(tt) => {
trace!("before-filter spec resulted in timetype");
let tt = tt.calculate()
.map_err_trace_exit_unwrap()
.get_moment().unwrap_or_else(|| {
error!("Not a moment in time: {}", spec);
::std::process::exit(1);
})
.clone();
trace!("Before filter spec {} => {}", spec, tt);
Ok(tt)
}
}
}