44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
// Rules: start and end in 24h format, interval in minutes
|
|
const scheduleRules = [
|
|
{ start: "0:00", end: "3:00", interval: 180 },
|
|
{ start: "3:00", end: "4:00", interval: 60 },
|
|
{ start: "5:00", end: "6:00", interval: 30 },
|
|
{ start: "6:00", end: "7:30", interval: 15 },
|
|
{ start: "7:30", end: "16:00", interval: 5 },
|
|
{ start: "16:00", end: "19:00", interval: 60 },
|
|
{ start: "19:00", end: "0:00", interval: 180 }
|
|
];
|
|
|
|
function toMinutes(timeStr) {
|
|
const [h, m] = timeStr.split(":").map(Number);
|
|
return h * 60 + (m || 0);
|
|
}
|
|
|
|
function getCurrentInterval(date = new Date()) {
|
|
const nowMinutes = date.getHours() * 60 + date.getMinutes();
|
|
|
|
for (const rule of scheduleRules) {
|
|
let startMin = toMinutes(rule.start);
|
|
let endMin = toMinutes(rule.end === "0:00" ? "24:00" : rule.end);
|
|
|
|
// Handle wrap-around midnight
|
|
if (endMin <= startMin) {
|
|
if (nowMinutes >= startMin || nowMinutes < endMin) {
|
|
return rule.interval;
|
|
}
|
|
} else {
|
|
if (nowMinutes >= startMin && nowMinutes < endMin) {
|
|
return rule.interval;
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
module.exports = {
|
|
scheduleRules,
|
|
getCurrentInterval,
|
|
toMinutes
|
|
};
|