89 lines
2.2 KiB
TypeScript
89 lines
2.2 KiB
TypeScript
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// Copyright: Ankitects Pty Ltd and contributors
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// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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import { I18n } from "./i18n";
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const SECOND = 1.0;
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const MINUTE = 60.0 * SECOND;
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const HOUR = 60.0 * MINUTE;
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const DAY = 24.0 * HOUR;
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const MONTH = 30.0 * DAY;
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const YEAR = 12.0 * MONTH;
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enum TimespanUnit {
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Seconds,
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Minutes,
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Hours,
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Days,
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Months,
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Years,
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}
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function unitName(unit: TimespanUnit): string {
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switch (unit) {
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case TimespanUnit.Seconds:
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return "seconds";
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case TimespanUnit.Minutes:
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return "minutes";
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case TimespanUnit.Hours:
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return "hours";
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case TimespanUnit.Days:
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return "days";
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case TimespanUnit.Months:
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return "months";
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case TimespanUnit.Years:
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return "years";
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}
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}
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function naturalUnit(secs: number): TimespanUnit {
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secs = Math.abs(secs);
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if (secs < MINUTE) {
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return TimespanUnit.Seconds;
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} else if (secs < HOUR) {
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return TimespanUnit.Minutes;
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} else if (secs < DAY) {
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return TimespanUnit.Hours;
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} else if (secs < MONTH) {
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return TimespanUnit.Days;
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} else if (secs < YEAR) {
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return TimespanUnit.Months;
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} else {
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return TimespanUnit.Years;
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}
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}
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function unitAmount(unit: TimespanUnit, secs: number): number {
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switch (unit) {
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case TimespanUnit.Seconds:
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return secs;
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case TimespanUnit.Minutes:
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return secs / MINUTE;
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case TimespanUnit.Hours:
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return secs / HOUR;
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case TimespanUnit.Days:
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return secs / DAY;
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case TimespanUnit.Months:
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return secs / MONTH;
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case TimespanUnit.Years:
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return secs / YEAR;
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}
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}
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export function studiedToday(i18n: I18n, cards: number, secs: number): string {
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const unit = naturalUnit(secs);
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const amount = unitAmount(unit, secs);
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const name = unitName(unit);
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let secsPer = 0;
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if (cards > 0) {
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secsPer = secs / cards;
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}
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return i18n.tr(i18n.TR.STATISTICS_STUDIED_TODAY, {
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cards,
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amount,
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unit: name,
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"secs-per-card": secsPer,
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});
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}
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