imag/lib/domain/libimaglog/src/log.rs
Matthias Beyer 3321b9a643 Add more context in error messages
Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
2019-05-18 00:55:10 +02:00

54 lines
1.7 KiB
Rust

//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
use libimagdiary::entry::DiaryEntry;
use libimagstore::store::Entry;
use libimagentryutil::isa::Is;
use libimagentryutil::isa::IsKindHeaderPathProvider;
use failure::Fallible as Result;
use failure::Error;
use failure::ResultExt;
use toml::Value;
use toml_query::insert::TomlValueInsertExt;
pub trait Log : DiaryEntry {
fn is_log(&self) -> Result<bool>;
fn make_log_entry(&mut self) -> Result<()>;
}
provide_kindflag_path!(pub IsLog, "log.is_log");
impl Log for Entry {
fn is_log(&self) -> Result<bool> {
self.is::<IsLog>().context("Cannot check whether Entry is a Log").map_err(From::from)
}
fn make_log_entry(&mut self) -> Result<()> {
self.get_header_mut()
.insert("log.is_log", Value::Boolean(true))
.context("Cannot insert 'log.is_log' into header of entry")
.map_err(Error::from)
.map(|_| ())
}
}