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Ian Gulliver
210
simplecal.js
Normal file
210
simplecal.js
Normal file
@@ -0,0 +1,210 @@
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let events = [];
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function handleClientLoad() {
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gapi.load('client:auth2', initClient);
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}
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function findPrevious() {
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const now = Date.now();
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let max = null;
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let maxTime = 0;
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for (const event of events) {
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const end = new Date(event.end.dateTime).getTime();
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if (end <= now && (!max || end >= maxTime)) {
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max = event;
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maxTime = end;
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}
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}
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return max;
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}
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function findCurrent() {
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const now = Date.now();
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for (const event of events) {
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const start = new Date(event.start.dateTime).getTime();
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const end = new Date(event.end.dateTime).getTime();
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if (start <= now && end >= now) {
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return event;
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}
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}
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return null;
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}
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function anyRemaining() {
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const current = findCurrent();
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const currentEnd = current ? new Date(current.end.dateTime).getTime() : null;
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const now = Date.now();
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for (const event of events) {
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const start = new Date(event.start.dateTime).getTime();
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const end = new Date(event.end.dateTime).getTime();
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if (start >= now) {
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return true;
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}
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}
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return false;
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}
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function findNext() {
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const current = findCurrent();
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const currentEnd = current ? new Date(current.end.dateTime).getTime() : null;
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const now = Date.now();
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for (const event of events) {
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const start = new Date(event.start.dateTime).getTime();
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const end = new Date(event.end.dateTime).getTime();
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if (start >= now && (!current || currentEnd == start)) {
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return event;
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}
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}
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return null;
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}
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function setText(elem, text) {
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if (elem.innerText != text) {
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elem.innerText = text;
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}
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}
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function setLeft(elem, end) {
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const now = Date.now();
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const left = Math.round((new Date(end).getTime() - now) / 1000);
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const hours = Math.floor(left / 3600);
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const minutes = Math.floor((left % 3600) / 60);
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const seconds = left % 60;
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let text = `${minutes.toString().padStart(2, '0')}m${seconds.toString().padStart(2, '0')}s`;
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if (hours > 0) {
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text = `${hours.toString()}h${text}`;
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}
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setText(elem, text);
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if (left < 30) {
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document.body.classList.remove("blinkSlow");
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document.body.classList.add("blinkFast");
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} else if (left < 60) {
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document.body.classList.remove("blinkFast");
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document.body.classList.add("blinkSlow");
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} else {
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document.body.classList.remove("blinkSlow", "blinkFast");
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}
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}
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function setProgress(elem, start, end) {
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const elapsed = Date.now() - new Date(start).getTime();
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const duration = new Date(end).getTime() - new Date(start).getTime();
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const perc = Math.round(elapsed / duration * 100000) / 1000;
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elem.style.background = `-webkit-linear-gradient(left, #e28659 ${perc.toString()}%, transparent ${perc.toString()}%)`;
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}
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function timezoneOffset() {
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const offset = new Date().getTimezoneOffset();
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return `${offset > 0 ? '-' : '+'}${Math.floor(offset / 60).toString().padStart(2, '0')}:${(offset % 60).toString().padStart(2, '0')}`;
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}
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function render() {
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const curElem = document.getElementById("current");
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const curName = document.getElementById("currentName");
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const curLeft = document.getElementById("currentLeft");
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const nextElem = document.getElementById("next");
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const nextName = document.getElementById("nextName");
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const current = findCurrent();
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const prev = findPrevious();
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const next = findNext();
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if (current) {
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// Currently in an event
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curElem.classList.remove("break");
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curElem.classList.add("event");
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setText(curName, current.summary);
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setProgress(curElem, current.start.dateTime, current.end.dateTime);
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setText(curLeft, "");
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document.body.classList.remove("blinkSlow", "blinkFast");
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} else {
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// Currently between/before/after events
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curElem.classList.remove("event");
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curElem.classList.add("break");
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if (prev && next) {
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setText(curName, "😎 Break");
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setProgress(curElem, prev.end.dateTime, next.start.dateTime);
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setLeft(curLeft, next.start.dateTime);
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} else if (next) {
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setText(curName, "😎 Break");
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curElem.style.background = null;
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setLeft(curLeft, next.start.dateTime);
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} else {
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setText(curName, "✅ Done!");
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curElem.style.background = null;
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setText(curLeft, "");
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document.body.classList.remove("blinkSlow", "blinkFast");
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}
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}
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if (next) {
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nextElem.classList.remove("break");
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nextElem.classList.add("event");
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setText(nextName, next.summary);
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} else if (current) {
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nextElem.classList.remove("event");
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nextElem.classList.add("break");
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if (anyRemaining()) {
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setText(nextName, "😎 Break");
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} else {
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setText(nextName, "✅ Done!");
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}
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} else {
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nextElem.classList.remove("break");
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nextElem.classList.remove("event");
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setText(nextName, "");
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}
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}
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function loadEvents() {
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const tz = timezoneOffset();
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const today = new Date();
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const date = `${today.getFullYear().toString()}-${(today.getMonth() + 1).toString().padStart(2, '0')}-${today.getDate().toString().padStart(2, '0')}`;
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return gapi.client.calendar.events.list({
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'calendarId': 'primary',
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'timeMin': `${date}T00:00:00${tz}`,
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'timeMax': `${date}T23:59:59${tz}`,
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'showDeleted': false,
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'singleEvents': true,
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'maxResults': 250,
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'orderBy': 'startTime',
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});
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}
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function initClient() {
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gapi.client.init({
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apiKey: 'AIzaSyDzNMBbLqQoSCMiug_7UbUrgaAvnoyzYYU',
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clientId: '969085949455-0vtpi7g173fi63akr1o2eakp9nm1bp4i.apps.googleusercontent.com',
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discoveryDocs: ['https://www.googleapis.com/discovery/v1/apis/calendar/v3/rest'],
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scope: 'https://www.googleapis.com/auth/calendar.events.readonly',
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ux_mode: 'redirect',
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}).then(() => {
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if (gapi.auth2.getAuthInstance().isSignedIn.get()) {
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return loadEvents();
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} else {
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gapi.auth2.getAuthInstance().signIn();
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return;
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}
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}).then((response) => {
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events = response.result.items;
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setInterval(() => render(), 250);
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setInterval(() => {
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loadEvents().then((response) => {
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events = response.result.items;
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});
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}, 5 * 60 * 1000);
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});
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}
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