Initial commit: Lagerbestand Blazor Projekt
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using System.Text.Json;
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using Lagerbestand.Data;
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using Lagerbestand.Models;
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using Microsoft.EntityFrameworkCore;
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namespace Lagerbestand.Services;
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public interface ISiteSettingsService
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{
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Task<PromoBannerSettings> GetPromoBannerSettingsAsync();
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Task SavePromoBannerSettingsAsync(PromoBannerSettings settings);
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Task<LexwareApiSettings> GetLexwareApiSettingsAsync();
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Task SaveLexwareApiSettingsAsync(LexwareApiSettings settings);
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Task<TwoFactorSettings> GetTwoFactorSettingsAsync();
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Task SaveTwoFactorSettingsAsync(TwoFactorSettings settings);
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Task<SmtpSettings> GetSmtpSettingsAsync();
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Task SaveSmtpSettingsAsync(SmtpSettings settings);
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Task<SessionSettings> GetSessionSettingsAsync();
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Task SaveSessionSettingsAsync(SessionSettings settings);
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/// <summary>
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/// Gets a raw setting value by key
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/// </summary>
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Task<string?> GetValueAsync(string key);
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/// <summary>
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/// Sets a raw setting value by key
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/// </summary>
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Task SetValueAsync(string key, string value);
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}
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public class SiteSettingsService : ISiteSettingsService
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{
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private const string PromoBannerKey = "PromoBanner";
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private const string LexwareApiKey = "LexwareApi";
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private const string TwoFactorKey = "TwoFactor";
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private const string SmtpKey = "Smtp";
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private const string SessionKey = "Session";
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private readonly AppDbContext _context;
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private readonly ILogger<SiteSettingsService> _logger;
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public SiteSettingsService(AppDbContext context, ILogger<SiteSettingsService> logger)
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{
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_context = context;
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_logger = logger;
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}
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public async Task<PromoBannerSettings> GetPromoBannerSettingsAsync()
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{
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try
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{
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// Quick timeout to prevent blocking app startup
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using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
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var setting = await _context.SiteSettings
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Key == PromoBannerKey, cts.Token);
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if (setting == null)
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{
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return new PromoBannerSettings();
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}
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var settings = JsonSerializer.Deserialize<PromoBannerSettings>(setting.Value);
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return settings ?? new PromoBannerSettings();
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}
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catch (OperationCanceledException)
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{
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_logger.LogDebug("Banner settings query timed out, returning default");
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return new PromoBannerSettings();
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}
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catch (MySqlConnector.MySqlException ex) when (ex.Number == 1146)
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{
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// Table doesn't exist yet - this is normal during first startup
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_logger.LogDebug("SiteSettings table not found, returning default settings");
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return new PromoBannerSettings();
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to load promo banner settings");
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return new PromoBannerSettings();
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}
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}
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public async Task SavePromoBannerSettingsAsync(PromoBannerSettings settings)
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{
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try
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{
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var existing = await _context.SiteSettings
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.FirstOrDefaultAsync(s => s.Key == PromoBannerKey);
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var json = JsonSerializer.Serialize(settings);
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if (existing != null)
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{
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existing.Value = json;
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existing.UpdatedAt = DateTime.UtcNow;
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_context.SiteSettings.Update(existing);
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}
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else
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{
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var newSetting = new SiteSettings
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{
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Key = PromoBannerKey,
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Value = json,
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CreatedAt = DateTime.UtcNow
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};
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_context.SiteSettings.Add(newSetting);
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}
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await _context.SaveChangesAsync();
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_logger.LogInformation("Promo banner settings saved successfully");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save promo banner settings");
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throw;
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}
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}
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public async Task<LexwareApiSettings> GetLexwareApiSettingsAsync()
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{
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try
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{
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using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
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var setting = await _context.SiteSettings
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Key == LexwareApiKey, cts.Token);
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if (setting == null)
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return new LexwareApiSettings();
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var settings = JsonSerializer.Deserialize<LexwareApiSettings>(setting.Value);
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return settings ?? new LexwareApiSettings();
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}
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catch (OperationCanceledException)
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{
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_logger.LogDebug("Lexware settings query timed out, returning default");
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return new LexwareApiSettings();
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}
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catch (MySqlConnector.MySqlException ex) when (ex.Number == 1146)
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{
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_logger.LogDebug("SiteSettings table not found, returning default Lexware settings");
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return new LexwareApiSettings();
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to load Lexware API settings");
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return new LexwareApiSettings();
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}
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}
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public async Task SaveLexwareApiSettingsAsync(LexwareApiSettings settings)
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{
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try
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{
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var existing = await _context.SiteSettings
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.FirstOrDefaultAsync(s => s.Key == LexwareApiKey);
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var json = JsonSerializer.Serialize(settings);
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if (existing != null)
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{
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existing.Value = json;
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existing.UpdatedAt = DateTime.UtcNow;
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_context.SiteSettings.Update(existing);
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}
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else
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{
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var newSetting = new SiteSettings
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{
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Key = LexwareApiKey,
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Value = json,
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CreatedAt = DateTime.UtcNow
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};
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_context.SiteSettings.Add(newSetting);
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}
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await _context.SaveChangesAsync();
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_logger.LogInformation("Lexware API settings saved successfully");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save Lexware API settings");
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throw;
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}
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}
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public async Task<TwoFactorSettings> GetTwoFactorSettingsAsync()
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{
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try
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{
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using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
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var setting = await _context.SiteSettings
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Key == TwoFactorKey, cts.Token);
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if (setting == null)
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return new TwoFactorSettings();
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return JsonSerializer.Deserialize<TwoFactorSettings>(setting.Value) ?? new TwoFactorSettings();
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}
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catch (OperationCanceledException)
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{
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_logger.LogDebug("TwoFactor settings query timed out, returning default");
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return new TwoFactorSettings();
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}
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catch (MySqlConnector.MySqlException ex) when (ex.Number == 1146)
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{
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return new TwoFactorSettings();
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to load TwoFactor settings");
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return new TwoFactorSettings();
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}
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}
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public async Task SaveTwoFactorSettingsAsync(TwoFactorSettings settings)
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{
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try
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{
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var existing = await _context.SiteSettings
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.FirstOrDefaultAsync(s => s.Key == TwoFactorKey);
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var json = JsonSerializer.Serialize(settings);
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if (existing != null)
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{
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existing.Value = json;
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existing.UpdatedAt = DateTime.UtcNow;
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_context.SiteSettings.Update(existing);
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}
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else
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{
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_context.SiteSettings.Add(new SiteSettings
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{
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Key = TwoFactorKey,
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Value = json,
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CreatedAt = DateTime.UtcNow
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});
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}
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await _context.SaveChangesAsync();
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_logger.LogInformation("TwoFactor settings saved successfully");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save TwoFactor settings");
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throw;
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}
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}
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public async Task<SmtpSettings> GetSmtpSettingsAsync()
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{
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try
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{
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using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
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var setting = await _context.SiteSettings
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Key == SmtpKey, cts.Token);
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if (setting == null)
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return new SmtpSettings();
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return JsonSerializer.Deserialize<SmtpSettings>(setting.Value) ?? new SmtpSettings();
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}
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catch (OperationCanceledException)
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{
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_logger.LogDebug("SMTP settings query timed out, returning default");
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return new SmtpSettings();
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}
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catch (MySqlConnector.MySqlException ex) when (ex.Number == 1146)
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{
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return new SmtpSettings();
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to load SMTP settings");
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return new SmtpSettings();
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}
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}
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public async Task SaveSmtpSettingsAsync(SmtpSettings settings)
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{
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try
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{
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var existing = await _context.SiteSettings
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.FirstOrDefaultAsync(s => s.Key == SmtpKey);
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var json = JsonSerializer.Serialize(settings);
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if (existing != null)
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{
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existing.Value = json;
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existing.UpdatedAt = DateTime.UtcNow;
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_context.SiteSettings.Update(existing);
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}
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else
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{
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_context.SiteSettings.Add(new SiteSettings
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{
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Key = SmtpKey,
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Value = json,
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CreatedAt = DateTime.UtcNow
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});
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}
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await _context.SaveChangesAsync();
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_logger.LogInformation("SMTP settings saved successfully");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save SMTP settings");
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throw;
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}
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}
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public async Task<SessionSettings> GetSessionSettingsAsync()
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{
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try
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{
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using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
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var setting = await _context.SiteSettings
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Key == SessionKey, cts.Token);
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if (setting == null)
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return new SessionSettings();
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return JsonSerializer.Deserialize<SessionSettings>(setting.Value) ?? new SessionSettings();
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}
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catch (OperationCanceledException)
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{
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_logger.LogDebug("Session settings query timed out, returning default");
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return new SessionSettings();
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}
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catch (MySqlConnector.MySqlException ex) when (ex.Number == 1146)
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{
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return new SessionSettings();
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to load Session settings");
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return new SessionSettings();
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}
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}
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public async Task SaveSessionSettingsAsync(SessionSettings settings)
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{
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try
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{
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// Clamp to safe ranges before persisting
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settings.IdleTimeoutMinutes = settings.GetSafeIdleTimeoutMinutes();
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settings.CircuitRetentionHours = settings.GetSafeCircuitRetentionHours();
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var existing = await _context.SiteSettings
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.FirstOrDefaultAsync(s => s.Key == SessionKey);
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var json = JsonSerializer.Serialize(settings);
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if (existing != null)
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{
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existing.Value = json;
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existing.UpdatedAt = DateTime.UtcNow;
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_context.SiteSettings.Update(existing);
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}
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else
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{
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_context.SiteSettings.Add(new SiteSettings
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{
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Key = SessionKey,
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Value = json,
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CreatedAt = DateTime.UtcNow
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});
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}
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await _context.SaveChangesAsync();
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_logger.LogInformation("Session settings saved successfully");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save Session settings");
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throw;
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}
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}
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public async Task<string?> GetValueAsync(string key)
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{
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try
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{
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using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
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var setting = await _context.SiteSettings
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.AsNoTracking()
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.FirstOrDefaultAsync(s => s.Key == key, cts.Token);
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return setting?.Value;
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}
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catch (OperationCanceledException)
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{
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_logger.LogDebug("Settings query for '{Key}' timed out", key);
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return null;
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}
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catch (MySqlConnector.MySqlException ex) when (ex.Number == 1146)
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{
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_logger.LogDebug("SiteSettings table not found for key '{Key}'", key);
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return null;
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}
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catch (Exception ex)
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{
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_logger.LogWarning(ex, "Failed to load setting '{Key}'", key);
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return null;
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}
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}
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public async Task SetValueAsync(string key, string value)
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{
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try
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{
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var existing = await _context.SiteSettings
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.FirstOrDefaultAsync(s => s.Key == key);
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if (existing != null)
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{
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existing.Value = value;
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existing.UpdatedAt = DateTime.UtcNow;
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_context.SiteSettings.Update(existing);
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}
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else
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{
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var newSetting = new SiteSettings
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{
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Key = key,
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Value = value,
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CreatedAt = DateTime.UtcNow
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};
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_context.SiteSettings.Add(newSetting);
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}
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await _context.SaveChangesAsync();
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_logger.LogInformation("Setting '{Key}' saved successfully", key);
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Failed to save setting '{Key}'", key);
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throw;
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}
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}
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}
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