initial commit
This commit is contained in:
azykov@mail.ru
+13
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import './App.scss'
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import { TodoView } from './components/TodoView'
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export const App = function () {
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return (
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<>
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<TodoView />
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</>
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)
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}
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export default App
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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>
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After Width: | Height: | Size: 4.0 KiB |
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After Width: | Height: | Size: 8.5 KiB |
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import type { Todo } from "../types";
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import { TodoList } from "./TodoList";
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type Props = {
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data: Todo;
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}
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export const TodoItem = function ({ data }: Props) {
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const { children, ...todo } = data;
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const { SUMMARY, UID, ...raw } = todo.raw;
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return <div className="todo">
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<div className="bullet" />
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<div className="summary" title={todo.uid}>
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<input value={todo.summary} />
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</div>
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<div className="details">{JSON.stringify(raw, undefined, 4)}</div>
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{
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!!children?.length && <TodoList items={children} />
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}
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</div>;
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}
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@@ -0,0 +1,15 @@
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import type { Todo } from "../types";
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import { TodoItem } from "./TodoItem";
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type Props = {
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items: Todo[];
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}
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export const TodoList = function(props: Props) {
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return <div className="todos">
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{
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props.items.map((item) => <TodoItem key={item.uid} data={item} />)
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}
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</div>;
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}
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@@ -0,0 +1,24 @@
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.todos {
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&>.todo {
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&>.bullet {
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display: inline-block;
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&::after {
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content: "•";
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}
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}
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&>.summary {
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display: inline-block;
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background: red;
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}
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&>.todos {
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margin-left: 1rem;
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}
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}
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}
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@@ -0,0 +1,22 @@
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import { useEffect } from "react";
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import { observer } from "mobx-react-lite";
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import { todoStore } from "../stores/TodoStore";
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import { TodoList } from "./TodoList"
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import './TodoView.scss';
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export const TodoView = observer(function TodoView() {
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useEffect(() => {
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void todoStore.refresh();
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}, []);
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return (
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<div>
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<button type="button" onClick={() => void todoStore.refresh()} disabled={todoStore.loading}>
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{todoStore.loading ? "Refreshing…" : "Refresh"}
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</button>
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{todoStore.error && <p>Failed to load todos: {todoStore.error}</p>}
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{!todoStore.error && <TodoList items={todoStore.items} />}
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</div>
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);
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});
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@@ -0,0 +1,10 @@
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import { StrictMode } from 'react'
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import { createRoot } from 'react-dom/client'
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import './index.scss'
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import { App } from './App.tsx'
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createRoot(document.getElementById('root')!).render(
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<StrictMode>
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<App />
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</StrictMode>,
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)
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@@ -0,0 +1,133 @@
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import type { Todo } from "../types";
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const CALDAV_PROXY_PATH = "/caldav/";
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const CALENDAR_QUERY_BODY = `<?xml version="1.0" encoding="utf-8" ?>
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<C:calendar-query xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:caldav">
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<D:prop>
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<D:getetag/>
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<C:calendar-data/>
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</D:prop>
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<C:filter>
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<C:comp-filter name="VCALENDAR">
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<C:comp-filter name="VTODO"/>
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</C:comp-filter>
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</C:filter>
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</C:calendar-query>`;
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export async function fetchTodos(): Promise<Todo[]> {
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const response = await fetch(CALDAV_PROXY_PATH, {
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method: "REPORT",
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headers: {
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"Content-Type": "application/xml; charset=utf-8",
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Depth: "1",
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},
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body: CALENDAR_QUERY_BODY,
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});
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if (!response.ok) {
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throw new Error(`CalDAV request failed: ${response.status} ${response.statusText}`);
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}
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const xml = await response.text();
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const doc = new DOMParser().parseFromString(xml, "application/xml");
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const calendarDataNodes = doc.getElementsByTagNameNS("urn:ietf:params:xml:ns:caldav", "calendar-data");
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const todos: Todo[] = [];
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for (const node of Array.from(calendarDataNodes)) {
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console.dir(node);
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if (node.textContent) {
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todos.push(...parseVTodos(node.textContent));
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}
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}
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return todos;
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}
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function parseVTodos(ics: string): Todo[] {
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// RFC 5545 line folding: continuation lines start with a space or tab.
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const lines = ics.replace(/\r\n/g, "\n").replace(/\n[ \t]/g, "").split("\n");
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const todos: Todo[] = [];
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let current: Record<string, string> | null = null;
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for (const line of lines) {
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if (line === "BEGIN:VTODO") {
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current = {};
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continue;
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}
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if (line === "END:VTODO") {
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if (current) {
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todos.push(toTodo(current));
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}
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current = null;
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continue;
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}
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if (!current) {
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continue;
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}
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const separator = line.indexOf(":");
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if (separator === -1) {
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continue;
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}
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const [rawName, ...rawParams] = line.slice(0, separator).split(";");
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const name = rawName.toUpperCase();
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const value = unescapeIcsText(line.slice(separator + 1));
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// A VTODO can carry several RELATED-TO lines (parent, sibling, ...);
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// only RELTYPE=PARENT (the default when the param is absent) makes it
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// this todo's parent in the hierarchy.
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if (name === "RELATED-TO") {
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const reltypeParam = rawParams.find((param) => param.split("=")[0].toUpperCase() === "RELTYPE");
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const reltype = reltypeParam?.split("=")[1]?.toUpperCase() ?? "PARENT";
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if (reltype === "PARENT" && !current.PARENT_UID) {
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current.PARENT_UID = value;
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}
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continue;
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}
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current[name] = value;
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}
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return todos;
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}
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function toTodo(fields: Record<string, string>): Todo {
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return {
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uid: fields.UID ?? crypto.randomUUID(),
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summary: fields.SUMMARY ?? "",
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description: fields.DESCRIPTION,
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completed: fields.STATUS === "COMPLETED" || Boolean(fields.COMPLETED),
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due: fields.DUE ? parseIcsDate(fields.DUE) : undefined,
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priority: fields.PRIORITY ? Number(fields.PRIORITY) : undefined,
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parentUid: fields.PARENT_UID,
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raw: fields,
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};
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}
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function unescapeIcsText(value: string): string {
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return value
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.replace(/\\n/gi, "\n")
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.replace(/\\,/g, ",")
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.replace(/\\;/g, ";")
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.replace(/\\\\/g, "\\");
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}
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function parseIcsDate(value: string): Date {
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const match = /^(\d{4})(\d{2})(\d{2})(?:T(\d{2})(\d{2})(\d{2})(Z)?)?$/.exec(value);
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if (!match) {
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return new Date(value);
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}
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const year = Number(match[1]);
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const month = Number(match[2]) - 1;
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const day = Number(match[3]);
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const hour = Number(match[4] ?? "0");
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const minute = Number(match[5] ?? "0");
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const second = Number(match[6] ?? "0");
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return match[7]
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? new Date(Date.UTC(year, month, day, hour, minute, second))
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: new Date(year, month, day, hour, minute, second);
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}
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@@ -0,0 +1,44 @@
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import { makeAutoObservable, runInAction } from "mobx";
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import type { Todo } from "../types";
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import { fetchTodos } from "../services/caldav";
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import { buildTodoTree } from "../utils/todoTree";
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export class TodoStore {
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items: Todo[] = [];
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loading = false;
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error: string | null = null;
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private requestId = 0;
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constructor() {
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makeAutoObservable(this);
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}
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async refresh(): Promise<void> {
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const id = ++this.requestId;
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this.loading = true;
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this.error = null;
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try {
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const todos = await fetchTodos();
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const tree = buildTodoTree(todos);
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if (id !== this.requestId) {
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return;
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}
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runInAction(() => {
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this.items = tree;
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this.loading = false;
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});
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} catch (err) {
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if (id !== this.requestId) {
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return;
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}
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runInAction(() => {
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this.error = err instanceof Error ? err.message : String(err);
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this.loading = false;
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});
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}
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}
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}
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export const todoStore = new TodoStore();
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@@ -0,0 +1 @@
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export * from './todo.ts';
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@@ -0,0 +1,12 @@
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export type Todo = {
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uid: string;
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summary: string;
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description?: string;
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completed: boolean;
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due?: Date;
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priority?: number;
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parentUid?: string;
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children?: Todo[];
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raw: Record<string, string>;
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}
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@@ -0,0 +1,28 @@
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import type { Todo } from "../types";
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export function buildTodoTree(todos: Todo[]): Todo[] {
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const nodes = new Map<string, Todo>();
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for (const todo of todos) {
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nodes.set(todo.uid, { ...todo, children: [] });
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}
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const roots: Todo[] = [];
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for (const node of nodes.values()) {
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const parent = node.parentUid ? nodes.get(node.parentUid) : undefined;
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if (parent && parent.uid !== node.uid && !isDescendant(node, parent.uid)) {
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if (!parent.children)
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parent.children = [];
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parent.children.push(node);
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} else {
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roots.push(node);
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}
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}
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return roots;
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}
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// Guards against a malformed RELATED-TO chain on the server forming a cycle,
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// which would otherwise make the tree recurse forever when rendered.
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function isDescendant(node: Todo, uid: string): boolean {
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return node.children?.some((child) => child.uid === uid || isDescendant(child, uid)) ?? false;
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}
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Reference in New Issue
Block a user