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/* ldgallery - A static generator which turns a collection of tagged
-- pictures into a searchable web gallery.
--
-- Copyright (C) 2019-2020 Guillaume FOUET
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as
-- published by the Free Software Foundation, either version 3 of the
-- License, or (at your option) any later version.
--
-- This program 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 Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { TranslateResult } from "vue-i18n";
import i18n from "@/plugins/i18n";
export type ItemComparator = (left: Gallery.Item, right: Gallery.Item) => number;
export type ItemSort = { name: Gallery.ItemSortStr; text: TranslateResult; fn: ItemComparator };
export default class ItemComparators {
static readonly DEFAULT = ItemComparators.sortByTitleAsc;
static readonly ITEM_SORTS: ItemSort[] = [
{ name: "title_asc", text: i18n.t("command.sort.byTitleAsc"), fn: ItemComparators.sortByTitleAsc },
{ name: "date_asc", text: i18n.t("command.sort.byDateAsc"), fn: ItemComparators.sortByDateAsc },
{
name: "date_desc",
text: i18n.t("command.sort.byDateDesc"),
fn: ItemComparators.reverse(ItemComparators.sortByDateAsc),
},
];
static sortByTitleAsc(left: Gallery.Item, right: Gallery.Item): number {
return left.title.localeCompare(right.title, undefined, {
sensitivity: "base",
ignorePunctuation: true,
numeric: true,
});
}
static sortByDateAsc(left: Gallery.Item, right: Gallery.Item): number {
return left.datetime.localeCompare(right.datetime); // TODO: handle timezones
}
static reverse(fn: ItemComparator): ItemComparator {
return (l, r) => -fn(l, r);
}
}
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