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//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2020 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 anyhow::Error;
use anyhow::Result;
use anyhow::Context;
use libimagstore::storeid::StoreIdIterator;
use libimagstore::storeid::StoreIdIteratorWithStore;
use libimagstore::storeid::StoreId;
use crate::util::IsHabitCheck;
pub struct HabitTemplateStoreIdIterator(StoreIdIterator);
impl Iterator for HabitTemplateStoreIdIterator {
type Item = Result<StoreId>;
fn next(&mut self) -> Option<Self::Item> {
while let Some(n) = self.0.next() {
match n.context("Error while iterating").map_err(Error::from) {
Ok(n) => if n.is_habit_template() {
return Some(Ok(n))
},
Err(e) => return Some(Err(e)),
}
}
None
}
}
impl From<StoreIdIterator> for HabitTemplateStoreIdIterator {
fn from(sii: StoreIdIterator) -> Self {
HabitTemplateStoreIdIterator(sii)
}
}
impl<'a> From<StoreIdIteratorWithStore<'a>> for HabitTemplateStoreIdIterator {
fn from(sii: StoreIdIteratorWithStore<'a>) -> Self {
HabitTemplateStoreIdIterator(sii.into_storeid_iter())
}
}
pub struct HabitInstanceStoreIdIterator(StoreIdIterator);
impl HabitInstanceStoreIdIterator {
pub fn new(sid: StoreIdIterator) -> HabitInstanceStoreIdIterator {
HabitInstanceStoreIdIterator(sid)
}
}
impl Iterator for HabitInstanceStoreIdIterator {
type Item = Result<StoreId>;
fn next(&mut self) -> Option<Self::Item> {
while let Some(n) = self.0.next() {
match n {
Ok(n) => if n.is_habit_instance() {
return Some(Ok(n));
},
Err(e) => return Some(Err(e).map_err(Error::from)),
}
}
None
}
}
impl From<StoreIdIterator> for HabitInstanceStoreIdIterator {
fn from(sii: StoreIdIterator) -> Self {
HabitInstanceStoreIdIterator(sii)
}
}
impl<'a> From<StoreIdIteratorWithStore<'a>> for HabitInstanceStoreIdIterator {
fn from(sii: StoreIdIteratorWithStore<'a>) -> Self {
HabitInstanceStoreIdIterator(sii.into_storeid_iter())
}
}
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