imag/lib/domain/libimagtimetrack/src/timetrackingstore.rs
Matthias Beyer 4a4e528aed Refactor error handling
Refactor error handling so we do chain the error with the `?`
operator rather than wrapping it with own types.

Links to other error chains are created with error chain. All unneeded
error kinds were removed.

No API changes.
2018-02-11 23:44:27 +01:00

113 lines
3.9 KiB
Rust

//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2018 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
//
//! Extension trait for libimagstore::store::Store
//!
//! This module contains traits and code for extending the Store with functions that can be used to
//! create, get and delete events.
use chrono::NaiveDateTime as NDT;
use toml::Value;
use toml_query::insert::TomlValueInsertExt;
use libimagstore::store::Store;
use libimagstore::store::FileLockEntry;
use libimagstore::iter::get::StoreGetIterator;
use libimagstore::iter::get::StoreIdGetIteratorExtension;
use libimagentrydatetime::datepath::compiler::DatePathCompiler;
use error::Result;
use constants::*;
use tag::TimeTrackingTag as TTT;
pub trait TimeTrackStore<'a> {
fn create_timetracking_now(&'a self, ts: &TTT) -> Result<FileLockEntry<'a>>;
fn create_timetracking_at(&'a self, start: &NDT, ts: &TTT) -> Result<FileLockEntry<'a>>;
fn create_timetracking(&'a self, start: &NDT, end: &NDT, ts: &TTT) -> Result<FileLockEntry<'a>>;
fn get_timetrackings(&'a self) -> Result<StoreGetIterator<'a>>;
}
fn now() -> NDT {
use chrono::offset::Local;
Local::now().naive_local()
}
lazy_static! {
static ref COMPILER: DatePathCompiler = {
use libimagentrydatetime::datepath::accuracy::Accuracy;
use libimagentrydatetime::datepath::format::Format;
DatePathCompiler::new(Accuracy::Second, Format::ElementIsFolder)
};
}
impl<'a> TimeTrackStore<'a> for Store {
fn create_timetracking_now(&'a self, ts: &TTT) -> Result<FileLockEntry<'a>> {
self.create_timetracking_at(&now(), ts)
}
fn create_timetracking_at(&'a self, start: &NDT, ts: &TTT) -> Result<FileLockEntry<'a>> {
use std::path::PathBuf;
COMPILER.compile(CRATE_NAME, start)
.map_err(From::from)
.map(|mut id| {
id.local_push(PathBuf::from(ts.as_str()));
id
})
.and_then(|id| self.create(id).map_err(From::from))
.and_then(|mut fle| {
let v = Value::String(ts.as_str().to_owned());
fle.get_header_mut()
.insert(DATE_TIME_TAG_HEADER_PATH, v)
.map_err(From::from)
.map(|_| fle)
})
.and_then(|mut fle| {
let v = Value::String(start.format(DATE_TIME_FORMAT).to_string());
fle.get_header_mut()
.insert(DATE_TIME_START_HEADER_PATH, v)
.map_err(From::from)
.map(|_| fle)
})
}
fn create_timetracking(&'a self, start: &NDT, end: &NDT, ts: &TTT) -> Result<FileLockEntry<'a>> {
self.create_timetracking_at(start, ts)
.and_then(|mut fle| {
let v = Value::String(end.format(DATE_TIME_FORMAT).to_string());
fle.get_header_mut()
.insert(DATE_TIME_END_HEADER_PATH, v)
.map_err(From::from)
.map(|_| fle)
})
}
fn get_timetrackings(&'a self) -> Result<StoreGetIterator<'a>> {
self.retrieve_for_module(CRATE_NAME)
.map_err(From::from)
.map(|iter| iter.into_get_iter(self))
}
}