mARTin
798bcfe44a
- Add Google Tasks integration and Apple Reminders support - Add task import/export with list management APIs - Add goal API for weekly goals - Add German holidays library - Add ImportListModal component - Enhance WeeklyView with major UI improvements - Enhance CalendarSettings with new connection options - Add external task fields to database schema - Add Playwright test suites for auth and tasks - Add iCloud reminders Python scripts Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
91 lines
3.2 KiB
TypeScript
91 lines
3.2 KiB
TypeScript
/**
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* Holiday detection service to provide hints for upcoming celebrations.
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*/
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interface Holiday {
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name: string;
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month: number; // 0-indexed (0 = Jan, 11 = Dec)
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day: number;
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description: string;
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}
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// Fixed-date holidays
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const FIXED_HOLIDAYS: Holiday[] = [
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{ name: 'New Year\'s Day', month: 0, day: 1, description: 'Happy New Year!' },
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{ name: 'Valentine\'s Day', month: 1, day: 14, description: 'Love is in the air!' },
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{ name: 'Halloween', month: 9, day: 31, description: 'Trick or treat!' },
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{ name: 'Armistice Day', month: 10, day: 11, description: 'Lest we forget.' }, // Remembrance Day
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{ name: 'Christmas Eve', month: 11, day: 24, description: 'Twas the night before Christmas...' },
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{ name: 'Christmas Day', month: 11, day: 25, description: 'Merry Christmas!' },
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{ name: 'Boxing Day', month: 11, day: 26, description: 'Happy Boxing Day!' },
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{ name: 'New Year\'s Eve', month: 11, day: 31, description: 'Ring in the New Year!' },
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];
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/**
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* Calculates Easter Sunday for a given year using the Meeus/Jones/Butcher algorithm.
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*/
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function getEasterSunday(year: number): Date {
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const a = year % 19;
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const b = Math.floor(year / 100);
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const c = year % 100;
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const d = Math.floor(b / 4);
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const e = b % 4;
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const f = Math.floor((b + 8) / 25);
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const g = Math.floor((b - f + 1) / 3);
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const h = (19 * a + b - d - g + 15) % 30;
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const i = Math.floor(c / 4);
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const k = c % 4;
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const l = (32 + 2 * e + 2 * i - h - k) % 7;
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const m = Math.floor((a + 11 * h + 22 * l) / 451);
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const month = Math.floor((h + l - 7 * m + 114) / 31);
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const day = ((h + l - 7 * m + 114) % 31) + 1;
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return new Date(year, month - 1, day);
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}
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/**
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* Returns a hint if there is a major holiday or celebration in the week starting from weekStart.
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* A "week" is defined as 7 days from weekStart.
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*/
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export function getHolidayHint(weekStart: Date): string | null {
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const weekEnd = new Date(weekStart);
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weekEnd.setDate(weekEnd.getDate() + 7);
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const year = weekStart.getFullYear();
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// Check fixed holidays
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for (const holiday of FIXED_HOLIDAYS) {
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// Handle year boundaries for fixed holidays (e.g. looking at Jan 1 from Dec 28)
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const yearsToCheck = [year, year + 1];
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for (const y of yearsToCheck) {
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const holidayDate = new Date(y, holiday.month, holiday.day);
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if (holidayDate >= weekStart && holidayDate < weekEnd) {
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return `Hint: ${holiday.name} is coming up! ${holiday.description}`;
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}
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}
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}
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// Check variable holidays (Easter related)
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const easter = getEasterSunday(year);
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// Easter Sunday
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if (easter >= weekStart && easter < weekEnd) {
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return "Hint: Easter Sunday is this week! Happy Easter!";
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}
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// Good Friday (2 days before)
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const goodFriday = new Date(easter);
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goodFriday.setDate(goodFriday.getDate() - 2);
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if (goodFriday >= weekStart && goodFriday < weekEnd) {
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return "Hint: Good Friday is this week.";
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}
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// Easter Monday (1 day after)
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const easterMonday = new Date(easter);
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easterMonday.setDate(easterMonday.getDate() + 1);
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if (easterMonday >= weekStart && easterMonday < weekEnd) {
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return "Hint: Easter Monday is this week.";
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}
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return null;
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}
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