56 lines
1.9 KiB
C#
56 lines
1.9 KiB
C#
using DysonNetwork.Shared.Cache;
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using Nager.Holiday;
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using NodaTime;
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namespace DysonNetwork.Pass.Account;
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public class NotableDaysService(ICacheService cache)
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{
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private const string NotableDaysCacheKeyPrefix = "notable:";
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public async Task<List<NotableDay>> GetNotableDays(int? year, string regionCode)
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{
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year ??= DateTime.UtcNow.Year;
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// Generate cache key using year and region code
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var cacheKey = $"{NotableDaysCacheKeyPrefix}:{year}:{regionCode}";
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// Try to get from cache first
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var (found, cachedDays) = await cache.GetAsyncWithStatus<List<NotableDay>>(cacheKey);
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if (found && cachedDays != null)
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{
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return cachedDays;
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}
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// If not in cache, fetch from API
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using var holidayClient = new HolidayClient();
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var holidays = await holidayClient.GetHolidaysAsync(year.Value, regionCode);
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var days = holidays?.Select(NotableDay.FromNagerHoliday).ToList() ?? [];
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// Cache the result for 1 day (holiday data doesn't change frequently)
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await cache.SetAsync(cacheKey, days, TimeSpan.FromDays(1));
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return days;
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}
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public async Task<NotableDay?> GetNextHoliday(string regionCode)
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{
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var currentDate = SystemClock.Instance.GetCurrentInstant();
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var currentYear = currentDate.InUtc().Year;
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// Get holidays for current year and next year to cover all possibilities
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var currentYearHolidays = await GetNotableDays(currentYear, regionCode);
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var nextYearHolidays = await GetNotableDays(currentYear + 1, regionCode);
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var allHolidays = currentYearHolidays.Concat(nextYearHolidays);
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// Find the first holiday that is today or in the future
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var nextHoliday = allHolidays
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.Where(day => day.Date >= currentDate)
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.OrderBy(day => day.Date)
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.FirstOrDefault();
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return nextHoliday;
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}
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}
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