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Copy date utils from mbserver

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This commit is contained in:
Michael Wiencek 2015-05-26 14:35:51 -05:00
parent aeaebc468c
commit cd7813967c
1 changed files with 46 additions and 2 deletions
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48
batch-add-recording-relationships.user.js
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@ -37,6 +37,50 @@ function batch_recording_rels() {
return $("<button>Go</button>").click(func);
}
// Date parsing utils
var dateRegex = /^(\d{4}|\?{4})(?:-(\d{2}|\?{2})(?:-(\d{2}|\?{2}))?)?$/;
var integerRegex = /^[0-9]+$/;
function parseInteger(num) {
return integerRegex.test(num) ? parseInt(num, 10) : NaN;
}
function parseIntegerOrNull(str) {
var integer = parseInteger(str);
return isNaN(integer) ? null : integer;
}
function parseDate(str) {
var match = str.match(dateRegex) || [];
return {
year: parseIntegerOrNull(match[1]),
month: parseIntegerOrNull(match[2]),
day: parseIntegerOrNull(match[3])
};
}
function nonEmpty(value) {
return value !== null && value !== undefined && value !== '';
}
var daysInMonth = {
"true": [0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
"false": [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
};
function isDateValid(y, m, d) {
y = nonEmpty(y) ? parseInteger(y) : null;
m = nonEmpty(m) ? parseInteger(m) : null;
d = nonEmpty(d) ? parseInteger(d) : null;
if (isNaN(y) || isNaN(m) || isNaN(d)) return false;
if (y !== null && y < 1) return false;
if (m !== null && (m < 1 || m > 12)) return false;
if (d === null) return true;
var isLeapYear = y % 400 ? (y % 100 ? !(y % 4) : false) : true;
if (d < 1 || d > 31 || d > daysInMonth[isLeapYear.toString()][m]) return false;
return true;
}
// Request rate limiting
var REQUEST_COUNT = 0;
@ -280,9 +324,9 @@ function batch_recording_rels() {
if (this.value) {
$input.css("color", "#000");
var parsedDate = MB.utility.parseDate(this.value);
var parsedDate = parseDate(this.value);
if ((parsedDate.year || parsedDate.month || parsedDate.day) &&
MB.utility.validDate(parsedDate.year, parsedDate.month, parsedDate.day)) {
isDateValid(parsedDate.year, parsedDate.month, parsedDate.day)) {
} else {
$input.css("border-color", "#f00");
parsedDate = null;