Show transparency in calendar view
Also separate utils.ts file which was getting too big, and add a POST test
This commit is contained in:
Bruno Bernardino
301
lib/utils/misc.ts
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301
lib/utils/misc.ts
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@@ -0,0 +1,301 @@
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let BASE_URL = typeof window !== 'undefined' && window.location
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? `${window.location.protocol}//${window.location.host}`
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: '';
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if (typeof Deno !== 'undefined') {
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await import('std/dotenv/load.ts');
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BASE_URL = Deno.env.get('BASE_URL') || '';
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}
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export const baseUrl = BASE_URL || 'http://localhost:8000';
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export const defaultTitle = 'bewCloud is a modern and simpler alternative to Nextcloud and ownCloud';
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export const defaultDescription = `Have your calendar, contacts, tasks, and files under your own control.`;
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export const helpEmail = 'help@bewcloud.com';
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export const DAV_RESPONSE_HEADER = '1, 2, 3, 4, addressbook, calendar-access';
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// Response headers from Nextcloud:
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// 1, 3, extended-mkcol, access-control, calendarserver-principal-property-search, oc-resource-sharing, addressbook, nextcloud-checksum-update, nc-calendar-search, nc-enable-birthday-calendar
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// 1, 3, extended-mkcol, access-control, calendarserver-principal-property-search, calendar-access, calendar-proxy, calendar-auto-schedule, calendar-availability, nc-calendar-trashbin, nc-calendar-webcal-cache, calendarserver-subscribed, oc-resource-sharing, oc-calendar-publishing, calendarserver-sharing, addressbook, nextcloud-checksum-update, nc-calendar-search, nc-enable-birthday-calendar
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// 1, 3, extended-mkcol, access-control, calendarserver-principal-property-search, calendar-access, calendar-proxy, calendar-auto-schedule, calendar-availability, nc-calendar-trashbin, nc-calendar-webcal-cache, calendarserver-subscribed, oc-resource-sharing, oc-calendar-publishing, calendarserver-sharing, nextcloud-checksum-update, nc-calendar-search, nc-enable-birthday-calendar
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export function isRunningLocally(request: Request) {
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return request.url.includes('localhost');
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}
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export function escapeHtml(unsafe: string) {
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return unsafe.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>').replaceAll('"', '"')
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.replaceAll("'", ''');
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}
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export function escapeXml(unsafe: string) {
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return escapeHtml(unsafe).replaceAll('\r', ' ');
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}
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export function generateRandomCode(length = 6) {
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const getRandomDigit = () => Math.floor(Math.random() * (10)); // 0-9
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const codeDigits = Array.from({ length }).map(getRandomDigit);
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return codeDigits.join('');
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}
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export async function generateHash(value: string, algorithm: AlgorithmIdentifier) {
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const hashedValueData = await crypto.subtle.digest(
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algorithm,
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new TextEncoder().encode(value),
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);
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const hashedValue = Array.from(new Uint8Array(hashedValueData)).map(
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(byte) => byte.toString(16).padStart(2, '0'),
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).join('');
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return hashedValue;
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}
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export function splitArrayInChunks<T = any>(array: T[], chunkLength: number) {
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const chunks = [];
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let chunkIndex = 0;
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const arrayLength = array.length;
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while (chunkIndex < arrayLength) {
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chunks.push(array.slice(chunkIndex, chunkIndex += chunkLength));
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}
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return chunks;
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}
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export function validateEmail(email: string) {
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const trimmedEmail = (email || '').trim().toLocaleLowerCase();
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if (!trimmedEmail) {
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return false;
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}
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const requiredCharsNotInEdges = ['@', '.'];
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return requiredCharsNotInEdges.every((char) =>
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trimmedEmail.includes(char) && !trimmedEmail.startsWith(char) && !trimmedEmail.endsWith(char)
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);
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}
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export function validateUrl(url: string) {
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const trimmedUrl = (url || '').trim().toLocaleLowerCase();
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if (!trimmedUrl) {
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return false;
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}
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if (!trimmedUrl.includes('://')) {
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return false;
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}
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const protocolIndex = trimmedUrl.indexOf('://');
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const urlAfterProtocol = trimmedUrl.substring(protocolIndex + 3);
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if (!urlAfterProtocol) {
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return false;
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}
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return true;
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}
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// Adapted from https://gist.github.com/fasiha/7f20043a12ce93401d8473aee037d90a
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export async function concurrentPromises<T>(
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generators: (() => Promise<T>)[],
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maxConcurrency: number,
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): Promise<T[]> {
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const iterator = generators.entries();
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const results: T[] = [];
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let hasFailed = false;
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await Promise.all(
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Array.from(Array(maxConcurrency), async () => {
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for (const [index, promiseToExecute] of iterator) {
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if (hasFailed) {
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break;
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}
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try {
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results[index] = await promiseToExecute();
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} catch (error) {
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hasFailed = true;
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throw error;
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}
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}
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}),
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);
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return results;
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}
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const MAX_RESPONSE_TIME_IN_MS = 10 * 1000;
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export async function fetchUrl(url: string) {
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const abortController = new AbortController();
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const requestCancelTimeout = setTimeout(() => {
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abortController.abort();
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}, MAX_RESPONSE_TIME_IN_MS);
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const response = await fetch(url, {
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signal: abortController.signal,
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});
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if (requestCancelTimeout) {
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clearTimeout(requestCancelTimeout);
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}
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const urlContents = await response.text();
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return urlContents;
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}
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export async function fetchUrlAsGooglebot(url: string) {
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const abortController = new AbortController();
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const requestCancelTimeout = setTimeout(() => {
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abortController.abort();
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}, MAX_RESPONSE_TIME_IN_MS);
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const response = await fetch(url, {
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headers: {
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'User-Agent': 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)',
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},
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signal: abortController.signal,
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});
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if (requestCancelTimeout) {
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clearTimeout(requestCancelTimeout);
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}
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const urlContents = await response.text();
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return urlContents;
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}
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export async function fetchUrlWithProxy(url: string) {
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const abortController = new AbortController();
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const requestCancelTimeout = setTimeout(() => {
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abortController.abort();
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}, MAX_RESPONSE_TIME_IN_MS);
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const response = await fetch(`https://api.allorigins.win/raw?url=${url}`, {
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signal: abortController.signal,
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});
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if (requestCancelTimeout) {
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clearTimeout(requestCancelTimeout);
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}
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const urlContents = await response.text();
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return urlContents;
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}
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export async function fetchUrlWithRetries(url: string) {
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try {
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const text = await fetchUrl(url);
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return text;
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} catch (_error) {
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try {
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const text = await fetchUrlAsGooglebot(url);
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return text;
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} catch (_error) {
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const text = await fetchUrlWithProxy(url);
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return text;
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}
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}
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}
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export function convertFormDataToObject(formData: FormData): Record<string, any> {
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return JSON.parse(JSON.stringify(Object.fromEntries(formData)));
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}
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export function convertObjectToFormData(formDataObject: Record<string, any>): FormData {
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const formData = new FormData();
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for (const key of Object.keys(formDataObject || {})) {
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if (Array.isArray(formDataObject[key])) {
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formData.append(key, formDataObject[key].join(','));
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} else {
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formData.append(key, formDataObject[key]);
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}
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}
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return formData;
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}
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function writeXmlTag(tagName: string, value: any, attributes?: Record<string, any>) {
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const attributesXml = attributes
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? Object.keys(attributes || {}).map((attributeKey) => `${attributeKey}="${escapeHtml(attributes[attributeKey])}"`)
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.join(' ')
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: '';
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if (Array.isArray(value)) {
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if (value.length === 0) {
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return `<${tagName}${attributesXml ? ` ${attributesXml}` : ''} />`;
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}
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const xmlLines: string[] = [];
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for (const valueItem of value) {
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xmlLines.push(writeXmlTag(tagName, valueItem));
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}
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return xmlLines.join('\n');
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}
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if (typeof value === 'object') {
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if (Object.keys(value).length === 0) {
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return `<${tagName}${attributesXml ? ` ${attributesXml}` : ''} />`;
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}
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return `<${tagName}${attributesXml ? ` ${attributesXml}` : ''}>${convertObjectToDavXml(value)}</${tagName}>`;
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}
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return `<${tagName}${attributesXml ? ` ${attributesXml}` : ''}>${value}</${tagName}>`;
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}
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export function convertObjectToDavXml(davObject: Record<string, any>, isInitial = false): string {
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const xmlLines: string[] = [];
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if (isInitial) {
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xmlLines.push(`<?xml version="1.0" encoding="UTF-8"?>`);
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}
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for (const key of Object.keys(davObject)) {
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if (key.endsWith('_attributes')) {
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continue;
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}
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xmlLines.push(writeXmlTag(key, davObject[key], davObject[`${key}_attributes`]));
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}
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return xmlLines.join('\n');
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}
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function addLeadingZero(number: number) {
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if (number < 10) {
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return `0${number}`;
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}
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return number.toString();
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}
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export function buildRFC822Date(dateString: string) {
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const dayStrings = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
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const monthStrings = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
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const timeStamp = Date.parse(dateString);
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const date = new Date(timeStamp);
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const day = dayStrings[date.getDay()];
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const dayNumber = addLeadingZero(date.getUTCDate());
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const month = monthStrings[date.getUTCMonth()];
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const year = date.getUTCFullYear();
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const time = `${addLeadingZero(date.getUTCHours())}:${addLeadingZero(date.getUTCMinutes())}:00`;
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return `${day}, ${dayNumber} ${month} ${year} ${time} +0000`;
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}
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export const capitalizeWord = (string: string) => {
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return `${string.charAt(0).toLocaleUpperCase()}${string.slice(1)}`;
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};
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export function getRandomItem<T>(items: Readonly<Array<T>>): T {
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return items[Math.floor(Math.random() * items.length)];
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}
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