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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 { createModule, mutation, action } from "vuex-class-component";
import Tools from '@/tools';
const VuexModule = createModule({
namespaced: "galleryStore",
strict: true
})
export default class GalleryStore extends VuexModule {
config: Gallery.Config | null = null;
galleryItemsRoot: Gallery.Item | null = null;
tags: Tag.Index = {};
currentPath: string = "/";
// ---
@mutation setConfig(config: Gallery.Config) {
this.config = config;
}
@mutation setGalleryItemsRoot(galleryItemsRoot: Gallery.Item) {
this.galleryItemsRoot = galleryItemsRoot;
}
@mutation private setTags(tags: Tag.Index) {
this.tags = tags;
}
@mutation setCurrentPath(currentPath: string) {
this.currentPath = currentPath;
}
get currentItemPath(): Gallery.Item[] {
const root = this.galleryItemsRoot;
if (root)
return GalleryStore.searchCurrentItemPath(root, this.currentPath);
return [];
}
get currentItem(): Gallery.Item | null {
const path = this.currentItemPath;
return path.length > 0 ? path[path.length - 1] : null;
}
// ---
// Fetches the gallery's JSON config
@action async fetchConfig() {
return fetch(`${process.env.VUE_APP_DATA_URL}config.json`)
.then(config => config.json())
.then(this.setConfig);
}
// Fetches the gallery's JSON metadata
@action async fetchGalleryItems() {
const root = this.config?.galleryRoot ?? '';
const timestamp = this.config?.generationTimestamp ?? 0;
return fetch(`${process.env.VUE_APP_DATA_URL}${root}index.json?${timestamp}`)
.then(response => response.json())
.then(this.setGalleryItemsRoot)
.then(this.indexTags);
}
// Indexes the gallery
@action async indexTags() {
const root = this.galleryItemsRoot;
let index = {};
if (root) GalleryStore.pushTagsForItem(index, root);
console.log("Index: ", index);
this.setTags(index);
}
// ---
// Pushes all tags for a root item (and its children) to the index
private static pushTagsForItem(index: Tag.Index, item: Gallery.Item) {
console.log("IndexingTagsFor: ", item.path);
if (item.properties.type === "directory") {
item.properties.items.forEach(item => this.pushTagsForItem(index, item));
return; // Directories are not indexed
}
for (const tag of item.tags) {
const parts = tag.split('.');
let lastPart: string | null = null;
for (const part of parts) {
if (!index[part]) index[part] = { tag: part, tagfiltered: Tools.normalize(part), items: [], children: {} };
if (!index[part].items.includes(item)) index[part].items.push(item);
if (lastPart) index[lastPart].children[part] = index[part];
lastPart = part;
}
}
}
// Searches for an item by path from a root item (navigation)
private static searchCurrentItemPath(item: Gallery.Item, path: string): Gallery.Item[] {
if (path === item.path) return [item];
if (item.properties.type === "directory" && path.startsWith(item.path)) {
const itemChain = item.properties.items
.map(item => this.searchCurrentItemPath(item, path))
.find(itemChain => itemChain.length > 0);
if (itemChain) return [item, ...itemChain];
}
return [];
}
}
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