aboutsummaryrefslogtreecommitdiffstats
path: root/web_src/js/features/stopwatch.js
blob: 2ec74344fcfeb9cd05120a37ff9d69d50c453381 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
import prettyMilliseconds from 'pretty-ms';
import {createTippy} from '../modules/tippy.js';
import {GET} from '../modules/fetch.js';
import {hideElem, showElem} from '../utils/dom.js';

const {appSubUrl, notificationSettings, enableTimeTracking, assetVersionEncoded} = window.config;

export function initStopwatch() {
  if (!enableTimeTracking) {
    return;
  }

  const stopwatchEl = document.querySelector('.active-stopwatch-trigger');
  const stopwatchPopup = document.querySelector('.active-stopwatch-popup');

  if (!stopwatchEl || !stopwatchPopup) {
    return;
  }

  stopwatchEl.removeAttribute('href'); // intended for noscript mode only

  createTippy(stopwatchEl, {
    content: stopwatchPopup,
    placement: 'bottom-end',
    trigger: 'click',
    maxWidth: 'none',
    interactive: true,
    hideOnClick: true,
  });

  // global stop watch (in the head_navbar), it should always work in any case either the EventSource or the PeriodicPoller is used.
  const currSeconds = document.querySelector('.stopwatch-time')?.getAttribute('data-seconds');
  if (currSeconds) {
    updateStopwatchTime(currSeconds);
  }

  let usingPeriodicPoller = false;
  const startPeriodicPoller = (timeout) => {
    if (timeout <= 0 || !Number.isFinite(timeout)) return;
    usingPeriodicPoller = true;
    setTimeout(() => updateStopwatchWithCallback(startPeriodicPoller, timeout), timeout);
  };

  // if the browser supports EventSource and SharedWorker, use it instead of the periodic poller
  if (notificationSettings.EventSourceUpdateTime > 0 && window.EventSource && window.SharedWorker) {
    // Try to connect to the event source via the shared worker first
    const worker = new SharedWorker(`${__webpack_public_path__}js/eventsource.sharedworker.js?v=${assetVersionEncoded}`, 'notification-worker');
    worker.addEventListener('error', (event) => {
      console.error('worker error', event);
    });
    worker.port.addEventListener('messageerror', () => {
      console.error('unable to deserialize message');
    });
    worker.port.postMessage({
      type: 'start',
      url: `${window.location.origin}${appSubUrl}/user/events`,
    });
    worker.port.addEventListener('message', (event) => {
      if (!event.data || !event.data.type) {
        console.error('unknown worker message event', event);
        return;
      }
      if (event.data.type === 'stopwatches') {
        updateStopwatchData(JSON.parse(event.data.data));
      } else if (event.data.type === 'no-event-source') {
        // browser doesn't support EventSource, falling back to periodic poller
        if (!usingPeriodicPoller) startPeriodicPoller(notificationSettings.MinTimeout);
      } else if (event.data.type === 'error') {
        console.error('worker port event error', event.data);
      } else if (event.data.type === 'logout') {
        if (event.data.data !== 'here') {
          return;
        }
        worker.port.postMessage({
          type: 'close',
        });
        worker.port.close();
        window.location.href = `${appSubUrl}/`;
      } else if (event.data.type === 'close') {
        worker.port.postMessage({
          type: 'close',
        });
        worker.port.close();
      }
    });
    worker.port.addEventListener('error', (e) => {
      console.error('worker port error', e);
    });
    worker.port.start();
    window.addEventListener('beforeunload', () => {
      worker.port.postMessage({
        type: 'close',
      });
      worker.port.close();
    });

    return;
  }

  startPeriodicPoller(notificationSettings.MinTimeout);
}

async function updateStopwatchWithCallback(callback, timeout) {
  const isSet = await updateStopwatch();

  if (!isSet) {
    timeout = notificationSettings.MinTimeout;
  } else if (timeout < notificationSettings.MaxTimeout) {
    timeout += notificationSettings.TimeoutStep;
  }

  callback(timeout);
}

async function updateStopwatch() {
  const response = await GET(`${appSubUrl}/user/stopwatches`);
  if (!response.ok) {
    console.error('Failed to fetch stopwatch data');
    return false;
  }
  const data = await response.json();
  return updateStopwatchData(data);
}

function updateStopwatchData(data) {
  const watch = data[0];
  const btnEl = document.querySelector('.active-stopwatch-trigger');
  if (!watch) {
    clearStopwatchTimer();
    hideElem(btnEl);
  } else {
    const {repo_owner_name, repo_name, issue_index, seconds} = watch;
    const issueUrl = `${appSubUrl}/${repo_owner_name}/${repo_name}/issues/${issue_index}`;
    document.querySelector('.stopwatch-link')?.setAttribute('href', issueUrl);
    document.querySelector('.stopwatch-commit')?.setAttribute('action', `${issueUrl}/times/stopwatch/toggle`);
    document.querySelector('.stopwatch-cancel')?.setAttribute('action', `${issueUrl}/times/stopwatch/cancel`);
    const stopwatchIssue = document.querySelector('.stopwatch-issue');
    if (stopwatchIssue) stopwatchIssue.textContent = `${repo_owner_name}/${repo_name}#${issue_index}`;
    updateStopwatchTime(seconds);
    showElem(btnEl);
  }
  return Boolean(data.length);
}

let updateTimeIntervalId = null; // holds setInterval id when active
function clearStopwatchTimer() {
  if (updateTimeIntervalId !== null) {
    clearInterval(updateTimeIntervalId);
    updateTimeIntervalId = null;
  }
}
function updateStopwatchTime(seconds) {
  const secs = parseInt(seconds);
  if (!Number.isFinite(secs)) return;

  clearStopwatchTimer();
  const stopwatch = document.querySelector('.stopwatch-time');
  // TODO: replace with <relative-time> similar to how system status up time is shown
  const start = Date.now();
  const updateUi = () => {
    const delta = Date.now() - start;
    const dur = prettyMilliseconds(secs * 1000 + delta, {compact: true});
    if (stopwatch) stopwatch.textContent = dur;
  };
  updateUi();
  updateTimeIntervalId = setInterval(updateUi, 1000);
}