a1a0369d
 李曜臣
5-25代码优化
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using System.Text.RegularExpressions;
using FoodLabeling.Th.Application.Contracts.Options;
using SqlSugar;
namespace FoodLabeling.Th.Application.MultiTenancy;
/// <summary>
/// 根据配置生成 MySQL 租户库连接串
/// </summary>
public static class TenantDatabaseConnectionStringBuilder
{
private static readonly Regex SafeNameRegex = new(@"[^a-z0-9_]", RegexOptions.Compiled);
public static string NormalizeTenantDatabaseKey(string tenantName)
{
var key = tenantName.Trim().ToLowerInvariant();
key = SafeNameRegex.Replace(key, "_");
key = Regex.Replace(key, "_+", "_").Trim('_');
if (string.IsNullOrEmpty(key))
{
throw new ArgumentException("租户名称无效，无法生成数据库名");
}
return key;
}
public static string BuildDatabaseName(FoodLabelingThTenantDatabaseOptions options, string tenantName)
{
var key = NormalizeTenantDatabaseKey(tenantName);
return options.DatabaseNameTemplate.Replace("{tenant}", key, StringComparison.OrdinalIgnoreCase);
}
public static string BuildMySqlConnectionString(FoodLabelingThTenantDatabaseOptions options, string tenantName)
{
var database = BuildDatabaseName(options, tenantName);
return
$"server={options.Server};port={options.Port};database={database};uid={options.UserId};pwd={options.Password};CharSet={options.CharSet};";
}
public static DbType ResolveDbType(string? configuredDbType)
{
return Enum.TryParse<DbType>(configuredDbType, true, out var dbType) ? dbType : DbType.MySql;
}
}
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