MediaWiki:Gadget-fix-schedule-times.js
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// vim: ts=4 sw=4 et ai si
$.when(
$.ready
).then( function () {
// quit immediately if dontFixSchedule is in the URL after the ?
if(window.location.search.indexOf("dontFixSchedule")>=0)return;
// Configuration
var CONFERENCE_DAYS = {
"Friday, October 8": Date.UTC( 2021, /* month index, not month number! */ 9, 8 ),
"Saturday, October 9": Date.UTC( 2021, 9, 9 ),
"Sunday, October 10": Date.UTC( 2021, 9, 10 )
};
var WRITTEN_SCHEDULE_OFFSET_SECONDS = -4 * 3600; // written schedule for WCNA 2021 is Eastern Time which is UTC-4
// Other constants
var TIME_REGEX = /(\d\d):(\d\d)( - (\d\d):(\d\d)|\+)/;
function pl( n ) { return ( Math.floor( n ) === 1 ) ? "" : "s"; }
function textDescribingRelativeTime( minutesUntilStart, minutesUntilEnd, countdownDuringEvent ) {
if ( minutesUntilStart > /* one day */ 1440 ) {
return "in " + Math.floor( minutesUntilStart / 1440 ).toFixed( 0 ) + " day" + pl( minutesUntilStart / 1440 );
} else if ( minutesUntilStart > /* 3 hours */ 180 ) {
return "in " + Math.floor( minutesUntilStart / 60 ).toFixed( 0 ) + " hour" + pl( minutesUntilStart / 60 );
} else if ( minutesUntilStart > 120 ) {
return "in 2 hours and " + Math.floor( minutesUntilStart % 60 ).toFixed( 0 ) + " minute" + pl( minutesUntilStart % 60 );
} else if ( minutesUntilStart > 60 ) {
return "in an hour and " + Math.floor( minutesUntilStart % 60 ).toFixed( 0 ) + " minute" + pl( minutesUntilStart % 60 );
} else if ( minutesUntilStart > 1 ) {
return "in " + Math.floor( minutesUntilStart ).toFixed( 0 ) + " minute" + pl( minutesUntilStart );
} else if ( minutesUntilStart > 0 ) {
return "in less than a minute";
} else if ( minutesUntilStart > -1 ) {
return "started just now";
} else if ( minutesUntilStart > -5 ) {
return "started " + Math.floor( -minutesUntilStart ).toFixed( 0 ) + " minute" + pl( -minutesUntilStart ) + " ago";
} else if ( minutesUntilEnd > 1 ) {
if ( countdownDuringEvent ) {
return "ends in " + Math.floor( minutesUntilEnd ).toFixed( 0 ) + " minute" + pl( minutesUntilEnd );
} else {
if ( minutesUntilStart > -60 ) {
return "started " + Math.floor( -minutesUntilStart ).toFixed( 0 ) + " minute" + pl( -minutesUntilStart ) + " ago";
} else {
return "started " + Math.floor( -minutesUntilStart / 60 ).toFixed( 0 ) + " hour" + pl( -minutesUntilStart / 60 ) + " ago";
}
}
} else if ( minutesUntilEnd > 0 ) {
return "ends in one minute";
} else if ( minutesUntilEnd > -1 ) {
return "ended just now";
} else if ( minutesUntilEnd > -60 ) {
return "ended " + Math.floor( -minutesUntilEnd ).toFixed( 0 ) + " minute" + pl( -minutesUntilEnd ) + " ago";
} else if ( minutesUntilEnd > -1440 ) {
return "ended " + Math.floor( -minutesUntilEnd / 60 ).toFixed( 0 ) + " hour" + pl( -minutesUntilEnd / 60 ) + " ago";
} else {
return "ended " + Math.floor( -minutesUntilEnd / 1440 ).toFixed( 0 ) + " day" + pl( -minutesUntilEnd / 1440 ) + " ago";
}
}
function formatRelativeTime( minutesUntilStart, minutesUntilEnd, countdownDuringEvent ) {
var text = textDescribingRelativeTime( minutesUntilStart, minutesUntilEnd, countdownDuringEvent );
if ( minutesUntilStart > 0 ) {
return "(" + text + ")";
} else if ( minutesUntilEnd > 0 ) {
return "<b>(" + text + ")</b>";
} else {
return "<i>(" + text + ")</i>";
}
}
function formatTime( unixTimestamp ) {
return new Date( unixTimestamp * 1000 ).toLocaleTimeString().replace( /(\d\d?:\d\d):00/, "$1" ).replace( / /g, " " );
}
function makeHtml( originalTimeMatch, tableCell ) {
var dayHeading = $( tableCell ).closest( "table" ).prev().prev(); // skip icon key
var dayHeadingText = dayHeading.find( ".mw-headline" ).text();
var baseDateUnix = Math.floor( CONFERENCE_DAYS[dayHeadingText] / 1000 );
var isSoftEndingTime = !originalTimeMatch[4]; // if there's no group-4 match, no ending time was specified
// First, get the actual timestamps
var startTimeUnix = baseDateUnix + parseInt( originalTimeMatch[1], 10 ) * 3600 +
parseInt( originalTimeMatch[2], 10 ) * 60 - WRITTEN_SCHEDULE_OFFSET_SECONDS;
var endTimeUnix = isSoftEndingTime ? ( startTimeUnix + 3600 * 5 ) : ( baseDateUnix + parseInt( originalTimeMatch[4], 10 ) * 3600 +
parseInt( originalTimeMatch[5], 10 ) * 60 - WRITTEN_SCHEDULE_OFFSET_SECONDS );
// Now, get some text like "Starts in 10 minutes".
var nowUnix = Math.floor( new Date().getTime() / 1000 );
var relativeTimeFormatted = formatRelativeTime(
( startTimeUnix - nowUnix ) / 60,
( endTimeUnix - nowUnix ) / 60,
/* countdownDuringEvent */ !isSoftEndingTime,
);
return formatTime( startTimeUnix ) + ( isSoftEndingTime ? "+" : ( " - " + formatTime( endTimeUnix ) ) ) + "<br />" + relativeTimeFormatted;
}
$( "small" ).each( function () {
if ( this.textContent === "(US Eastern Time)" ) {
try{
$( this ).text( "In " + Intl.DateTimeFormat().resolvedOptions().timeZone.replace( /_/g, " " ) + " time" );
}catch(e){
console.error(e);
$(this).text("In your local timezone (hover to see Eastern U.S. time)");
}
}
} );
$( "td" ).each( function () {
var match = TIME_REGEX.exec( this.textContent );
if ( match ) {
this.innerHTML = this.innerHTML.replace( match[0], "<span class='fixed' title='"+match[0]+" Eastern Time' data-original='" + match[0] + "'>" + match[0] + "</span>" );
}
} );
function go() {
$( "span.fixed" ).each( function () {
$( this ).html( makeHtml( TIME_REGEX.exec( this.dataset.original ), this.parentNode ) );
} );
}
go();
window.setInterval( go, 60 * 1000 );
} );