개선: 배포 검증과 관리자 UX 안정화

TaxBaik.Infrastructure/Repositories/SiteSettingRepository.cs

@@ -0,0 +1,30 @@
+using Dapper;
+using TaxBaik.Domain.Entities;
+using TaxBaik.Domain.Interfaces;
+
+namespace TaxBaik.Infrastructure.Repositories;
+
+public class SiteSettingRepository(IDbConnectionFactory connectionFactory) : BaseRepository(connectionFactory), ISiteSettingRepository
+{
+    public async Task<IReadOnlyDictionary<string, string>> GetAllAsync(CancellationToken cancellationToken = default)
+    {
+        using var conn = Conn();
+        var rows = await conn.QueryAsync<SiteSetting>(
+            "SELECT key, value, updated_at AS UpdatedAt FROM site_settings ORDER BY key");
+        return rows.ToDictionary(x => x.Key, x => x.Value);
+    }
+
+    public async Task UpsertAsync(IEnumerable<SiteSetting> settings, CancellationToken cancellationToken = default)
+    {
+        using var conn = Conn();
+        foreach (var setting in settings)
+        {
+            await conn.ExecuteAsync(
+                @"INSERT INTO site_settings (key, value, updated_at)
+                  VALUES (@Key, @Value, NOW())
+                  ON CONFLICT (key)
+                  DO UPDATE SET value = EXCLUDED.value, updated_at = NOW()",
+                setting);
+        }
+    }
+}