mirror of
https://github.com/mickael-kerjean/filestash.git
synced 2025-11-04 13:35:46 +08:00
531 lines
22 KiB
JavaScript
531 lines
22 KiB
JavaScript
"use strict";
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import {
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http_get, http_post, http_options, prepare, basename, dirname, pathBuilder,
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filetype, currentShare, currentBackend, appendShareToUrl,
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} from "../helpers/";
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import { Observable } from "rxjs/Observable";
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import { cache } from "../helpers/";
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class FileSystem {
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constructor() {
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this.obs = null;
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this.current_path = null;
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}
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ls(path, show_hidden = false) {
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this.current_path = path;
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this.obs && this.obs.complete();
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return Observable.create((obs) => {
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this.obs = obs;
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let keep_pulling_from_http = false;
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this._ls_from_cache(path, true).then((cache) => {
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const fetch_from_http = (_path) => {
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return this._ls_from_http(_path, show_hidden)
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.then(() => new Promise((done, err) => {
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window.setTimeout(() => done(), 2000);
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})).then(() => {
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if (keep_pulling_from_http === false) return Promise.resolve();
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return fetch_from_http(_path);
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}).catch((err) => {
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this.obs && this.obs.error(err);
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});
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};
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fetch_from_http(path);
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}).catch((err) => this.obs.error({ message: err && err.message }));
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return () => {
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keep_pulling_from_http = false;
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};
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});
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}
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_ls_from_http(path, show_hidden) {
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const url = appendShareToUrl("/api/files/ls?path=" + prepare(path));
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return http_get(url).then((response) => {
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response = fileMiddleware(response, path, show_hidden);
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return cache.upsert(cache.FILE_PATH, [currentBackend(), currentShare(), path], (_files) => {
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const store = Object.assign({
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backend: currentBackend(),
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share: currentShare(),
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status: "ok",
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path: path,
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results: null,
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access_count: 0,
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permissions: null,
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}, _files);
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store.permissions = response.permissions;
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store.results = response.results;
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if (_files && _files.results) {
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store.access_count = _files.access_count;
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// find out which entry we want to keep from the cache
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const _files_virtual_to_keep = _files.results.filter((file) => {
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return file.icon === "loading";
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});
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// update file results when something is going on
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for (let i=0; i<_files_virtual_to_keep.length; i++) {
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for (let j=0; j<store.results.length; j++) {
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if (store.results[j].name === _files_virtual_to_keep[i].name) {
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store.results[j] = Object.assign({}, _files_virtual_to_keep[i]);
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_files_virtual_to_keep.splice(i, 1);
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i -= 1;
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break;
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}
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}
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}
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// add stuff that didn't exist in our response
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store.results = store.results.concat(_files_virtual_to_keep);
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}
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store.last_update = new Date();
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store.last_access = new Date();
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return store;
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}).catch(() => Promise.resolve(response)).then((data) => {
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if (this.current_path === path) {
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this.obs && this.obs.next(data);
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}
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return Promise.resolve(null);
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});
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}).catch((_err) => {
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this.obs.next(_err);
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return Promise.reject(_err);
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});
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}
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_ls_from_cache(path, _record_access = false) {
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return cache.get(cache.FILE_PATH, [currentBackend(), currentShare(), path]).then((response) => {
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if (!response || !response.results) return null;
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if (this.current_path === path) {
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this.obs && this.obs.next({
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status: "ok",
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results: response.results,
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permissions: response.permissions,
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});
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}
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return response;
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}).then((e) => {
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requestAnimationFrame(() => {
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if (_record_access === true) {
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cache.upsert(cache.FILE_PATH, [currentBackend(), currentShare(), path], (response) => {
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if (!response || !response.results) return null;
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if (this.current_path === path) {
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this.obs && this.obs.next({
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status: "ok",
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results: response.results,
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permissions: response.permissions,
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});
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}
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response.last_access = new Date();
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response.access_count += 1;
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return response;
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});
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}
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});
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return Promise.resolve(e);
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});
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}
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rm(path) {
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const url = appendShareToUrl("/api/files/rm?path=" + prepare(path));
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return this._replace(path, "loading")
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.then((res) => this.current_path === dirname(path) ?
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this._ls_from_cache(dirname(path)) : Promise.resolve(res))
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.then(() => http_post(url))
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.then((res) => {
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return cache.remove(cache.FILE_CONTENT, [currentBackend(), currentShare(), path])
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.then(cache.remove(cache.FILE_CONTENT, [currentBackend(), currentShare(), path], false))
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.then(cache.remove(cache.FILE_PATH, [currentBackend(), currentShare(), dirname(path)], false))
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.then(this._remove(path, "loading"))
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.then((res) => this.current_path === dirname(path) ?
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this._ls_from_cache(dirname(path)) : Promise.resolve(res));
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})
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.catch((err) => {
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return this._replace(path, "error", "loading")
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.then((res) => this.current_path === dirname(path) ?
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this._ls_from_cache(dirname(path)) : Promise.resolve(res))
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.then(() => Promise.reject(err));
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});
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}
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cat(path) {
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const url = appendShareToUrl("/api/files/cat?path=" + prepare(path));
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return http_get(url, "raw")
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.then((res) => {
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if (this.is_binary(res) === true) {
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return Promise.reject({ code: "BINARY_FILE" });
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}
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return cache.upsert(cache.FILE_CONTENT, [currentBackend(), currentShare(), path], (response) => {
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const file = response ? response : {
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backend: currentBackend(),
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share: currentShare(),
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path: path,
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last_update: null,
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last_access: null,
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access_count: -1,
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result: null,
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};
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file.result = res;
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file.access_count += 1;
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file.last_access = new Date();
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return file;
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}).then((response) => Promise.resolve(response.result));
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});
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}
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zip(paths) {
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let url = appendShareToUrl("/api/files/zip?" + paths.map((p) => "path=" + prepare(p)).join("&"));
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if (paths.length === 1 && filetype(paths[0]) === "file") {
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url = appendShareToUrl("/api/files/cat?path=" + prepare(paths[0]) + "&name=" + basename(paths[0]));
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}
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window.open(url);
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return Promise.resolve();
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}
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unzip(paths, signal) {
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const url = appendShareToUrl(
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"/api/files/unzip?" + paths.map((p) => "path=" + prepare(p)).join("&"),
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);
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return fetch(url, { signal, method: "POST" }).then((r) => {
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if (r.ok) return r.json();
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return r.json().then((err) => {
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throw new Error(err.message);
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});
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});
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}
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options(path) {
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const url = appendShareToUrl("/api/files/cat?path=" + prepare(path));
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return http_options(url);
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}
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url(path) {
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const url = appendShareToUrl("/api/files/cat?path=" + prepare(path));
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return Promise.resolve(url);
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}
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save(path, file) {
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const url = appendShareToUrl("/api/files/cat?path=" + prepare(path));
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return this._replace(path, "loading")
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.then(() => http_post(url, file, "blob"))
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.then(() => {
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return this._saveFileToCache(path, file)
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.then(() => this._replace(path, null, "loading"))
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.then(() => this._refresh(path));
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})
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.catch((err) => {
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return this._replace(path, "error", "loading")
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.then(() => this._refresh(path))
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.then(() => Promise.reject(err));
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});
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}
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mkdir(path, step) {
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const url = appendShareToUrl("/api/files/mkdir?path=" + prepare(path));
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const origin_path = pathBuilder(this.current_path, basename(path), "directoy");
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const destination_path = path;
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const action_prepare = (part_of_a_batch_operation = false) => {
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if (part_of_a_batch_operation === true) {
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return this._add(destination_path, "loading")
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.then(() => this._refresh(destination_path));
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}
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return this._add(destination_path, "loading")
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.then(() => origin_path !== destination_path ?
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this._add(origin_path, "loading") : Promise.resolve())
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.then(() => this._refresh(origin_path, destination_path));
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};
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const action_execute = (part_of_a_batch_operation = false) => {
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if (part_of_a_batch_operation === true) {
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return http_post(url)
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.then(() => {
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return this._replace(destination_path, null, "loading")
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.then(() => this._refresh(destination_path));
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})
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.catch((err) => {
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this._replace(destination_path, "error", "loading")
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.then(() => this._refresh(origin_path, destination_path));
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return Promise.reject(err);
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});
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}
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return http_post(url)
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.then(() => {
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return this._replace(destination_path, null, "loading")
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.then(() => origin_path !== destination_path ?
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this._remove(origin_path, "loading") : Promise.resolve())
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.then(() => cache.add(cache.FILE_PATH, [currentBackend(), currentShare(), destination_path], {
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path: destination_path,
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backend: currentBackend(),
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share: currentShare(),
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results: [],
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access_count: 0,
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last_access: null,
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last_update: new Date(),
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}))
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.then(() => this._refresh(origin_path, destination_path));
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})
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.catch((err) => {
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this._replace(origin_path, "error", "loading")
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.then(() => origin_path !== destination_path ?
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this._remove(destination_path, "loading") : Promise.resolve())
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.then(() => this._refresh(origin_path, destination_path));
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return Promise.reject(err);
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});
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};
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switch(step) {
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case "prepare_only": return action_prepare(true);
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case "execute_only": return action_execute(true);
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default: return action_prepare().then(action_execute);
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}
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}
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touch(path, file, step, params) {
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const origin_path = pathBuilder(this.current_path, basename(path), "file");
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const destination_path = path;
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const action_prepare = (part_of_a_batch_operation = false) => {
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if (part_of_a_batch_operation === true) {
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return this._add(destination_path, "loading")
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.then(() => this._refresh(destination_path));
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} else {
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return this._add(destination_path, "loading")
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.then(() => origin_path !== destination_path ? this._add(origin_path, "loading") : Promise.resolve())
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.then(() => this._refresh(origin_path, destination_path));
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}
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};
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const action_execute = (part_of_a_batch_operation = false) => {
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if (part_of_a_batch_operation === true) {
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return query()
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.then(() => {
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return this._replace(destination_path, null, "loading")
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.then(() => this._refresh(destination_path));
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})
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.catch((err) => {
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this._replace(destination_path, null, "error")
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.then(() => this._replace(destination_path, null, "loading"))
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.then(() => this._refresh(destination_path));
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return Promise.reject(err);
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});
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}
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return query()
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.then(() => {
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return this._saveFileToCache(path, file)
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.then(() => this._replace(destination_path, null, "loading"))
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.then(() => origin_path !== destination_path ?
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this._remove(origin_path, "loading") : Promise.resolve())
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.then(() => this._refresh(origin_path, destination_path));
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})
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.catch((err) => {
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this._replace(origin_path, "error", "loading")
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.then(() => origin_path !== destination_path ?
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this._remove(destination_path, "loading") : Promise.resolve())
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.then(() => this._refresh(origin_path, destination_path));
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return Promise.reject(err);
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});
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function query() {
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if (file) {
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const url = appendShareToUrl("/api/files/cat?path=" + prepare(path));
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return http_post(url, file, "blob", params);
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} else {
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const url = appendShareToUrl("/api/files/touch?path=" + prepare(path));
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return http_post(url);
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}
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}
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};
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switch(step) {
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case "prepare_only": return action_prepare(true);
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case "execute_only": return action_execute(true);
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default: return action_prepare().then(action_execute);
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}
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}
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mv(from, to) {
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const url = appendShareToUrl("/api/files/mv?from=" + prepare(from) + "&to=" + prepare(to));
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const origin_path = from;
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const destination_path = to;
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return this._replace(origin_path, "loading")
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.then(this._add(destination_path, "loading"))
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.then(() => this._refresh(origin_path, destination_path))
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.then(() => http_post(url))
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.then((res) => {
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return this._remove(origin_path, "loading")
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.then(() => this._replace(destination_path, null, "loading"))
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.then(() => this._refresh(origin_path, destination_path))
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.then(() => {
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cache.update(cache.FILE_PATH, [currentBackend(), currentShare(), origin_path], (data) => {
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data.path = data.path.replace(origin_path, destination_path);
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return data;
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}, false);
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cache.update(cache.FILE_CONTENT, [currentBackend(), currentShare(), origin_path], (data) => {
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data.path = data.path.replace(origin_path, destination_path);
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return data;
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}, false);
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return Promise.resolve();
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});
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})
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.catch((err) => {
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this._replace(origin_path, "error", "loading")
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.then(() => this._remove(destination_path, "loading"))
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.then(() => this._refresh(origin_path, destination_path));
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return Promise.reject(err);
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});
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}
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search(keyword, path = "/", show_hidden) {
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const url = appendShareToUrl(
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"/api/files/search?path=" + prepare(path) +
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"&q="+encodeURIComponent(keyword),
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);
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return http_get(url).then((response) => {
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response = fileMiddleware(response, path, show_hidden);
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return response.results;
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});
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}
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frequents() {
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const data = [];
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return cache.fetchAll((value) => {
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if (value.access_count >= 1 && value.path !== "/") {
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data.push(value);
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}
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}, cache.FILE_PATH, [currentBackend(), currentShare(), "/"]).then(() => {
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return Promise.resolve(
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data
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.sort((a, b) => a.access_count > b.access_count? -1 : 1)
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.map((a) => a.path)
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.slice(0, 6),
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);
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});
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}
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_saveFileToCache(path, file) {
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if (!file) return update_cache("");
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return new Promise((done, err) => {
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const reader = new FileReader();
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reader.readAsText(file);
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reader.onload = () => this.is_binary(reader.result) === false ?
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update_cache(reader.result).then(done) : done();
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reader.onerror = (_err) => err(_err);
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});
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function update_cache(result) {
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return cache.upsert(cache.FILE_CONTENT, [currentBackend(), currentShare(), path], (response) => {
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if (!response) {
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response = {
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backend: currentBackend(),
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share: currentShare(),
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path: path,
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last_access: null,
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last_update: null,
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result: null,
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access_count: 0,
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};
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}
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response.last_update = new Date();
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response.result = result;
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return response;
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});
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}
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}
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_refresh(origin_path, destination_path) {
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if (this.current_path === dirname(origin_path) ||
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this.current_path === dirname(destination_path)) {
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return this._ls_from_cache(this.current_path);
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}
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return Promise.resolve();
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}
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_replace(path, icon, icon_previous) {
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return cache.update(cache.FILE_PATH, [currentBackend(), currentShare(), dirname(path)], function(res) {
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res.results = res.results.map((file) => {
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if (file.name === basename(path) && file.icon == icon_previous) {
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if (!icon) {
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delete file.icon;
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}
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if (icon) {
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file.icon = icon;
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}
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}
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return file;
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});
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return res;
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});
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}
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_add(path, icon) {
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return cache.upsert(cache.FILE_PATH, [currentBackend(), currentShare(), dirname(path)], (res) => {
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const file = mutateFile({
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path: path,
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name: basename(path),
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type: filetype(path),
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}, path);
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if (icon) file.icon = icon;
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if (!res || !res.results) {
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res = {
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path: dirname(path),
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backend: currentBackend(),
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share: currentShare(),
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results: [],
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access_count: 0,
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last_access: null,
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last_update: new Date(),
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};
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if (file.type === "directory") {
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return res;
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}
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}
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res.results.push(file);
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return res;
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});
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}
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_remove(path, previous_icon) {
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return cache.update(cache.FILE_PATH, [currentBackend(), currentShare(), dirname(path)], function(res) {
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if (!res) return null;
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res.results = res.results.filter((file) => {
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return file.name === basename(path) && file.icon == previous_icon ? false : true;
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});
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return res;
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});
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}
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is_binary(str) {
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// Reference: https://en.wikipedia.org/wiki/Specials_(Unicode_block)#Replacement_character
|
|
return /\ufffd/.test(str);
|
|
}
|
|
}
|
|
|
|
|
|
const createLink = (type, path) => {
|
|
return type === "file" ? "/view" + path : "/files" + path;
|
|
};
|
|
|
|
const fileMiddleware = (response, path, show_hidden) => {
|
|
for (let i=0; i<response.results.length; i++) {
|
|
const f = mutateFile(response.results[i], path);
|
|
if (show_hidden === false && f.path.indexOf("/.") !== -1) {
|
|
response.results.splice(i, 1);
|
|
i -= 1;
|
|
}
|
|
}
|
|
return response;
|
|
};
|
|
|
|
const mutateFile = (file, path) => {
|
|
if (file.path === undefined) {
|
|
file.path = pathBuilder(path, file.name, file.type);
|
|
}
|
|
file.link = createLink(file.type, file.path);
|
|
return file;
|
|
};
|
|
|
|
export const Files = new FileSystem();
|