Douwe Osinga
67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
import { Session } from '../api';
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export interface DateGroup {
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label: string;
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sessions: Session[];
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date: Date;
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}
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export function groupSessionsByDate(sessions: Session[]): DateGroup[] {
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const today = new Date();
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today.setHours(0, 0, 0, 0);
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const yesterday = new Date(today);
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yesterday.setDate(yesterday.getDate() - 1);
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const groups: { [key: string]: DateGroup } = {};
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sessions.forEach((session) => {
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const sessionDate = new Date(session.updated_at);
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const sessionDateStart = new Date(sessionDate);
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sessionDateStart.setHours(0, 0, 0, 0);
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let label: string;
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let groupKey: string;
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if (sessionDateStart.getTime() === today.getTime()) {
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label = 'Today';
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groupKey = 'today';
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} else if (sessionDateStart.getTime() === yesterday.getTime()) {
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label = 'Yesterday';
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groupKey = 'yesterday';
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} else {
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// Format as "Monday, January 1" or "January 1" if it's not this year
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const currentYear = today.getFullYear();
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const sessionYear = sessionDateStart.getFullYear();
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if (sessionYear === currentYear) {
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label = sessionDateStart.toLocaleDateString('en-US', {
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weekday: 'long',
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month: 'long',
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day: 'numeric',
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});
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} else {
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label = sessionDateStart.toLocaleDateString('en-US', {
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month: 'long',
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day: 'numeric',
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year: 'numeric',
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});
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}
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groupKey = sessionDateStart.toISOString().split('T')[0];
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}
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if (!groups[groupKey]) {
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groups[groupKey] = {
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label,
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sessions: [],
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date: sessionDateStart,
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};
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}
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groups[groupKey].sessions.push(session);
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});
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// Convert to array and sort by date (newest first)
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return Object.values(groups).sort((a, b) => b.date.getTime() - a.date.getTime());
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}
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