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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/>.
*/
export default class Navigation {
// Searches for an item by path from a root item (navigation)
public static searchCurrentItemPath(root: Gallery.Item, path: string): Gallery.Item[] {
if (path === root.path) return [root];
if (root.properties.type === "directory" && path.startsWith(root.path)) {
const itemChain = root.properties.items
.map(item => this.searchCurrentItemPath(item, path))
.find(itemChain => itemChain.length > 0);
if (itemChain) return [root, ...itemChain];
}
return [];
}
// Normalize a string to lowercase, no-accents
public static normalize(value: string) {
return value
.normalize("NFD")
.replace(/[\u0300-\u036f]/g, "")
.toLowerCase();
}
// Checks if the type of an item matches
public static checkType(item: Gallery.Item | null, type: Gallery.ItemType): boolean {
return item?.properties.type === type ?? false;
}
public static getLastDirectory(itemPath: Gallery.Item[]): Gallery.Directory {
for (let idx = itemPath.length - 1; idx >= 0; idx--) {
const item = itemPath[idx];
if (Navigation.checkType(item, "directory")) return item as Gallery.Directory;
}
throw new Error("No directory found");
}
// Sort a list of items, moving the directories to the beginning of the list
public static directoriesFirst(items: Gallery.Item[]) {
return [
...items
.filter(child => Navigation.checkType(child, "directory"))
.sort((a, b) => a.title.localeCompare(b.title)),
...items
.filter(child => !Navigation.checkType(child, "directory")),
];
}
// Get the icon for an item
public static getIcon(item: Gallery.Item): string {
if (item.path.length <= 1) return "home";
switch (item.properties.type) {
case "picture":
return "image";
case "directory":
return "folder";
case "other":
default:
return "file";
}
}
}
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