90 lines
2.9 KiB
TypeScript
90 lines
2.9 KiB
TypeScript
import { SeasonScheduleGenerator } from '../../domain/services/SeasonScheduleGenerator';
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import type { LeagueSchedulePreviewDTO, LeagueScheduleDTO } from '../dto/LeagueScheduleDTO';
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import { scheduleDTOToSeasonSchedule } from '../dto/LeagueScheduleDTO';
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interface PreviewLeagueScheduleQueryParams {
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schedule: LeagueScheduleDTO;
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maxRounds?: number;
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}
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export class PreviewLeagueScheduleQuery {
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constructor(
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private readonly scheduleGenerator: typeof SeasonScheduleGenerator = SeasonScheduleGenerator,
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) {}
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execute(params: PreviewLeagueScheduleQueryParams): LeagueSchedulePreviewDTO {
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const seasonSchedule = scheduleDTOToSeasonSchedule(params.schedule);
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const maxRounds =
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params.maxRounds && params.maxRounds > 0
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? Math.min(params.maxRounds, seasonSchedule.plannedRounds)
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: seasonSchedule.plannedRounds;
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const slots = this.scheduleGenerator.generateSlotsUpTo(seasonSchedule, maxRounds);
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const rounds = slots.map((slot) => ({
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roundNumber: slot.roundNumber,
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scheduledAt: slot.scheduledAt.toISOString(),
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timezoneId: slot.timezone.getId(),
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}));
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const summary = this.buildSummary(params.schedule, rounds);
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return {
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rounds,
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summary,
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};
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}
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private buildSummary(
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schedule: LeagueScheduleDTO,
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rounds: Array<{ roundNumber: number; scheduledAt: string; timezoneId: string }>,
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): string {
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if (rounds.length === 0) {
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return 'No rounds scheduled.';
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}
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const first = new Date(rounds[0].scheduledAt);
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const last = new Date(rounds[rounds.length - 1].scheduledAt);
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const firstDate = first.toISOString().slice(0, 10);
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const lastDate = last.toISOString().slice(0, 10);
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const timePart = schedule.raceStartTime;
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const tz = schedule.timezoneId;
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let recurrenceDescription: string;
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if (schedule.recurrenceStrategy === 'weekly') {
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const days = (schedule.weekdays ?? []).join(', ');
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recurrenceDescription = `Every ${days}`;
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} else if (schedule.recurrenceStrategy === 'everyNWeeks') {
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const interval = schedule.intervalWeeks ?? 1;
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const days = (schedule.weekdays ?? []).join(', ');
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recurrenceDescription = `Every ${interval} week(s) on ${days}`;
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} else if (schedule.recurrenceStrategy === 'monthlyNthWeekday') {
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const ordinalLabel = this.ordinalToLabel(schedule.monthlyOrdinal ?? 1);
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const weekday = schedule.monthlyWeekday ?? 'Mon';
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recurrenceDescription = `Every ${ordinalLabel} ${weekday}`;
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} else {
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recurrenceDescription = 'Custom recurrence';
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}
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return `${recurrenceDescription} at ${timePart} ${tz}, starting ${firstDate} — ${rounds.length} rounds from ${firstDate} to ${lastDate}.`;
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}
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private ordinalToLabel(ordinal: 1 | 2 | 3 | 4): string {
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switch (ordinal) {
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case 1:
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return '1st';
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case 2:
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return '2nd';
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case 3:
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return '3rd';
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case 4:
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return '4th';
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default:
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return `${ordinal}th`;
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}
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}
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} |