Dodo
113 lines
3.8 KiB
JavaScript
113 lines
3.8 KiB
JavaScript
export class DateRangeCalculator {
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static clearTime(date) {
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if (!date) return null;
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const d = new Date(date);
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d.setHours(0, 0, 0, 0);
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return d;
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}
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static datesEqual(left, right) {
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if (!left || !right) return false;
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return left.getFullYear() === right.getFullYear()
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&& left.getMonth() === right.getMonth()
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&& left.getDate() === right.getDate();
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}
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static calculatePreset(presetName, todayInput = new Date()) {
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const today = this.clearTime(todayInput);
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let start = null;
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let end = null;
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switch (presetName) {
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case 'today':
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start = new Date(today);
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end = new Date(today);
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break;
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case 'yesterday':
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start = new Date(today);
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start.setDate(today.getDate() - 1);
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end = new Date(start);
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break;
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case 'last7':
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end = new Date(today);
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start = new Date(today);
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start.setDate(today.getDate() - 6);
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break;
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case 'last14':
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end = new Date(today);
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start = new Date(today);
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start.setDate(today.getDate() - 13);
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break;
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case 'last30':
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end = new Date(today);
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start = new Date(today);
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start.setDate(today.getDate() - 29);
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break;
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case 'thisWeek': {
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end = new Date(today);
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start = new Date(today);
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const day = today.getDay();
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const diff = today.getDate() - day + (day === 0 ? -6 : 1);
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start.setDate(diff);
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break;
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}
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case 'lastWeek': {
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const temp = new Date(today);
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const day = temp.getDay();
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const diff = temp.getDate() - day + (day === 0 ? -6 : 1);
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start = new Date(temp);
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start.setDate(diff - 7);
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end = new Date(temp);
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end.setDate(diff - 1);
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break;
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}
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case 'thisMonth':
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start = new Date(today.getFullYear(), today.getMonth(), 1);
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end = new Date(today);
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break;
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case 'lastMonth':
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start = new Date(today.getFullYear(), today.getMonth() - 1, 1);
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end = new Date(today.getFullYear(), today.getMonth(), 0);
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break;
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case 'all':
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default:
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start = null;
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end = null;
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break;
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}
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return { start, end };
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}
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static formatDisplay(date) {
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if (!date) return '';
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const d = new Date(date);
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const day = String(d.getDate()).padStart(2, '0');
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const month = String(d.getMonth() + 1).padStart(2, '0');
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return `${day}/${month}/${d.getFullYear()}`;
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}
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static parseDisplayDate(value) {
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const match = String(value || '').trim().match(/^(\d{1,2})[\/\-.](\d{1,2})[\/\-.](\d{4})$/);
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if (!match) return null;
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const day = Number.parseInt(match[1], 10);
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const month = Number.parseInt(match[2], 10) - 1;
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const year = Number.parseInt(match[3], 10);
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if (month < 0 || month > 11 || day < 1 || day > 31 || year < 1000 || year > 9999) return null;
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const date = new Date(year, month, day);
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if (date.getFullYear() !== year || date.getMonth() !== month || date.getDate() !== day) return null;
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return date;
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}
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static toDateKey(date) {
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if (!date) return '';
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const d = new Date(date);
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const year = d.getFullYear();
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const month = String(d.getMonth() + 1).padStart(2, '0');
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const day = String(d.getDate()).padStart(2, '0');
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return `${year}-${month}-${day}`;
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}
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}
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