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//
// 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
//
use chrono::naive::NaiveDateTime as NDT;
use failure::Fallible as Result;
use failure::Error;
use constants::*;
use iter::tag::TagIter;
use iter::create::CreateTimeTrackIter;
use libimagstore::store::Store;
use libimagstore::storeid::StoreId;
pub struct TagStoreIdIter {
inner: TagIter,
datetime: NDT,
}
impl TagStoreIdIter {
pub fn new(inner: TagIter, datetime: NDT) -> TagStoreIdIter {
TagStoreIdIter { inner, datetime }
}
pub fn create_entries<'a>(self, store: &'a Store) -> CreateTimeTrackIter<'a> {
CreateTimeTrackIter::new(self, store)
}
}
impl Iterator for TagStoreIdIter {
type Item = Result<(StoreId, NDT)>;
fn next(&mut self) -> Option<Self::Item> {
use module_path::ModuleEntryPath;
use libimagstore::storeid::IntoStoreId;
self.inner
.next()
.map(|res| res.and_then(|tag| {
let dt = self.datetime.format(DATE_TIME_FORMAT).to_string();
let id_str = format!("{}-{}", dt, tag.as_str());
ModuleEntryPath::new(id_str)
.into_storeid()
.map_err(Error::from)
.map(|id| (id, self.datetime.clone()))
}))
}
}
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