first commit

2026-05-22 09:18:01 +02:00
commit 88ac175190
346 changed files with 69358 additions and 0 deletions
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+using Microsoft.EntityFrameworkCore;
+using System.Net.Http.Json;
+using System.Text.Json.Serialization;
+
+namespace timetracker.Data;
+
+public class HolidayService(IDbContextFactory<TimetrackerDbContext> factory, HttpClient http)
+{
+    private const string ApiUrl = "https://date.nager.at/api/v3/PublicHolidays/{0}/DE";
+
+    public async Task<List<PublicHoliday>> GetHolidaysAsync(int year)
+    {
+        await using var db = await factory.CreateDbContextAsync();
+        return await db.PublicHolidays
+            .Where(h => h.Date.Year == year)
+            .OrderBy(h => h.Date)
+            .ToListAsync();
+    }
+
+    public async Task<(bool Success, string Message)> FetchAndStoreAsync(int year)
+    {
+        try
+        {
+            var url = string.Format(ApiUrl, year);
+            var items = await http.GetFromJsonAsync<List<NagerHoliday>>(url);
+            if (items == null) return (false, "Keine Daten erhalten.");
+
+            await using var db = await factory.CreateDbContextAsync();
+            var existing = await db.PublicHolidays.Where(h => h.Date.Year == year).ToListAsync();
+            db.PublicHolidays.RemoveRange(existing);
+
+            db.PublicHolidays.AddRange(items
+                .Where(h => DateOnly.TryParse(h.Date, out _))
+                .Select(h => new PublicHoliday
+                {
+                    Date = DateOnly.Parse(h.Date),
+                    Name = h.LocalName
+                }));
+
+            await db.SaveChangesAsync();
+            return (true, $"{items.Count} Feiertage für {year} erfolgreich gespeichert.");
+        }
+        catch (Exception ex)
+        {
+            return (false, $"Fehler beim Abrufen: {ex.Message}");
+        }
+    }
+
+    public async Task DeleteAsync(int id)
+    {
+        await using var db = await factory.CreateDbContextAsync();
+        var h = await db.PublicHolidays.FindAsync(id);
+        if (h != null)
+        {
+            db.PublicHolidays.Remove(h);
+            await db.SaveChangesAsync();
+        }
+    }
+
+    private sealed class NagerHoliday
+    {
+        [JsonPropertyName("date")]
+        public string Date { get; set; } = "";
+
+        [JsonPropertyName("localName")]
+        public string LocalName { get; set; } = "";
+    }
+}