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path: root/libimagentrytimetrack/src/iter/storeid.rs
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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015, 2016 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 std::path::PathBuf;

use chrono::naive::datetime::NaiveDateTime as NDT;

use constants::*;
use error::TimeTrackError;
use error::TimeTrackErrorKind as TTEK;
use error::MapErrInto;
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: inner,
            datetime: 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), TimeTrackError>;

    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_into(TTEK::StoreIdError)
                        .map(|id| (id, self.datetime.clone()))
                })
            })
    }
}