feat: 系统参数独立表与迁移

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/AppDataSeeder.cs

@@ -6,6 +6,7 @@ using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using TakeoutSaaS.Domain.Dictionary.Entities;
 using TakeoutSaaS.Domain.Dictionary.Enums;
+using TakeoutSaaS.Domain.SystemParameters.Entities;
 using TakeoutSaaS.Domain.Tenants.Entities;
 using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Infrastructure.App.Options;
@@ -219,8 +220,9 @@ public sealed class AppDataSeeder(
         await dbContext.SaveChangesAsync(cancellationToken);
     }
 
+
     /// <summary>
-    /// 确保系统参数以字典形式幂等种子。
+    /// 确保系统参数以独立表形式可重复种子。
     /// </summary>
     private async Task EnsureSystemParametersAsync(DictionaryDbContext dbContext, long? defaultTenantId, CancellationToken cancellationToken)
     {
@@ -245,37 +247,64 @@ public sealed class AppDataSeeder(
         foreach (var group in grouped)
         {
             var tenantId = group.Key;
-            var dictionaryGroup = await dbContext.DictionaryGroups
+            var existingParameters = await dbContext.SystemParameters
                 .IgnoreQueryFilters()
-                .FirstOrDefaultAsync(x => x.TenantId == tenantId && x.Code == "system_parameters", cancellationToken);
+                .Where(x => x.TenantId == tenantId)
+                .ToListAsync(cancellationToken);
 
-            if (dictionaryGroup == null)
+            foreach (var seed in group)
             {
-                dictionaryGroup = new DictionaryGroup
+                var key = seed.Key.Trim();
+                var existing = existingParameters.FirstOrDefault(x => x.Key.Equals(key, StringComparison.OrdinalIgnoreCase));
+
+                if (existing == null)
                 {
-                    Id = 0,
-                    TenantId = tenantId,
-                    Code = "system_parameters",
-                    Name = "系统参数",
-                    Scope = tenantId == 0 ? DictionaryScope.System : DictionaryScope.Business,
-                    Description = "系统参数配置",
-                    IsEnabled = true
-                };
+                    var parameter = new SystemParameter
+                    {
+                        Id = 0,
+                        TenantId = tenantId,
+                        Key = key,
+                        Value = seed.Value.Trim(),
+                        Description = seed.Description?.Trim(),
+                        SortOrder = seed.SortOrder,
+                        IsEnabled = seed.IsEnabled
+                    };
 
-                await dbContext.DictionaryGroups.AddAsync(dictionaryGroup, cancellationToken);
-                logger.LogInformation("AppSeed 创建系统参数分组 (Tenant: {TenantId})", tenantId);
+                    await dbContext.SystemParameters.AddAsync(parameter, cancellationToken);
+                    continue;
+                }
+
+                var updated = false;
+
+                if (!string.Equals(existing.Value, seed.Value, StringComparison.Ordinal))
+                {
+                    existing.Value = seed.Value.Trim();
+                    updated = true;
+                }
+
+                if (!string.Equals(existing.Description, seed.Description, StringComparison.Ordinal))
+                {
+                    existing.Description = seed.Description?.Trim();
+                    updated = true;
+                }
+
+                if (existing.SortOrder != seed.SortOrder)
+                {
+                    existing.SortOrder = seed.SortOrder;
+                    updated = true;
+                }
+
+                if (existing.IsEnabled != seed.IsEnabled)
+                {
+                    existing.IsEnabled = seed.IsEnabled;
+                    updated = true;
+                }
+
+                if (updated)
+                {
+                    dbContext.SystemParameters.Update(existing);
+                }
             }
-
-            var seedItems = group.Select(x => new DictionarySeedItemOptions
-            {
-                Key = x.Key.Trim(),
-                Value = x.Value.Trim(),
-                Description = x.Description?.Trim(),
-                SortOrder = x.SortOrder,
-                IsEnabled = x.IsEnabled
-            });
-
-            await UpsertDictionaryItemsAsync(dbContext, dictionaryGroup, seedItems, tenantId, cancellationToken);
         }
     }