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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2023 Spacebar and Spacebar Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
export class DateBuilder {
private date: Date;
// constructors
constructor(date: Date = new Date()) {
this.date = new Date(date.getTime()); // Create a copy to avoid mutating the original date
}
// methods
addYears(years: number) {
this.date.setFullYear(this.date.getFullYear() + years);
return this;
}
addMonths(months: number) {
this.date.setMonth(this.date.getMonth() + months);
return this;
}
addDays(days: number) {
this.date.setDate(this.date.getDate() + days);
return this;
}
addHours(hours: number) {
this.date.setHours(this.date.getHours() + hours);
return this;
}
addMinutes(minutes: number) {
this.date.setMinutes(this.date.getMinutes() + minutes);
return this;
}
addSeconds(seconds: number) {
this.date.setSeconds(this.date.getSeconds() + seconds);
return this;
}
addMillis(millis: number) {
this.date.setTime(this.date.getTime() + millis);
return this;
}
withDate(year: number, month: number, day: number | undefined) {
this.date.setFullYear(year, month - 1, day); // month is 0-based
return this;
}
withTime(hour: number, minute = 0, second = 0, millisecond = 0) {
this.date.setHours(hour, minute, second, millisecond);
return this;
}
atStartOfDay() {
this.date.setHours(0, 0, 0, 0);
return this;
}
atEndOfDay() {
this.date.setHours(23, 59, 59, 999);
return this;
}
build() {
return new Date(this.date.getTime()); // Return a copy to avoid external mutation
}
buildTimestamp() {
return this.date.getTime();
}
}
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