83 lines
2.8 KiB
C#
83 lines
2.8 KiB
C#
using Microsoft.EntityFrameworkCore;
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using System.Net.Http.Json;
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using System.Text.Json.Serialization;
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namespace timetracker.Data;
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public class HolidayService(IDbContextFactory<TimetrackerDbContext> factory, HttpClient http)
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{
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private const string ApiUrl = "https://date.nager.at/api/v3/PublicHolidays/{0}/DE";
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public async Task<List<PublicHoliday>> GetHolidaysAsync(int year, string? stateCode = null)
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{
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await using var db = await factory.CreateDbContextAsync();
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var holidays = await db.PublicHolidays
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.Where(h => h.Date.Year == year)
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.OrderBy(h => h.Date)
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.ToListAsync();
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if (string.IsNullOrEmpty(stateCode))
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{
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// Default: return only global holidays (where Counties is null or empty)
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return holidays.Where(h => string.IsNullOrEmpty(h.Counties)).ToList();
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}
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// Return global holidays OR holidays that match the user's state code
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return holidays.Where(h => string.IsNullOrEmpty(h.Counties) || h.Counties.Split(',').Contains(stateCode)).ToList();
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}
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public async Task<(bool Success, string Message)> FetchAndStoreAsync(int year)
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{
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try
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{
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var url = string.Format(ApiUrl, year);
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var items = await http.GetFromJsonAsync<List<NagerHoliday>>(url);
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if (items == null) return (false, "Keine Daten erhalten.");
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await using var db = await factory.CreateDbContextAsync();
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var existing = await db.PublicHolidays.Where(h => h.Date.Year == year).ToListAsync();
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db.PublicHolidays.RemoveRange(existing);
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db.PublicHolidays.AddRange(items
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.Where(h => DateOnly.TryParse(h.Date, out _))
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.Select(h => new PublicHoliday
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{
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Date = DateOnly.Parse(h.Date),
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Name = h.LocalName,
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Counties = h.Counties != null && h.Counties.Count > 0 ? string.Join(",", h.Counties) : null
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}));
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await db.SaveChangesAsync();
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return (true, $"{items.Count} Feiertage für {year} erfolgreich gespeichert.");
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}
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catch (Exception ex)
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{
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return (false, $"Fehler beim Abrufen: {ex.Message}");
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}
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}
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public async Task DeleteAsync(int id)
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{
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await using var db = await factory.CreateDbContextAsync();
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var h = await db.PublicHolidays.FindAsync(id);
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if (h != null)
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{
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db.PublicHolidays.Remove(h);
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await db.SaveChangesAsync();
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}
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}
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private sealed class NagerHoliday
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{
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[JsonPropertyName("date")]
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public string Date { get; set; } = "";
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[JsonPropertyName("localName")]
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public string LocalName { get; set; } = "";
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[JsonPropertyName("counties")]
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public List<string>? Counties { get; set; }
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}
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}
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