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using DS.Module.UserModule;
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using Microsoft.Extensions.DependencyInjection;
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using SqlSugar;
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using NLog;
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namespace DS.Module.SqlSugar;
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/// <summary>
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/// saas数据库服务
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/// </summary>
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public class SaasDbService : ISaasDbService
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{
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private readonly IServiceProvider _serviceProvider;
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private readonly SqlSugarScope db;
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private readonly IUser user;
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private static readonly Logger Logger = LogManager.GetCurrentClassLogger();
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="serviceProvider"></param>
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public SaasDbService(IServiceProvider serviceProvider)
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{
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_serviceProvider = serviceProvider;
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db = (SqlSugarScope)_serviceProvider.GetRequiredService<ISqlSugarClient>();
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user = _serviceProvider.GetRequiredService<IUser>();
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}
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/// <summary>
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/// 根据用户租户Id获取业务库
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/// </summary>
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/// <returns></returns>
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public ISqlSugarClient GetBizDb()
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{
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var tenantId = user.GetTenantId().ToString();
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if (!db.IsAnyConnection(tenantId))
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{
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var connInfo = GetMasterDb().Queryable<SysTenantLink>().First(x => x.TenantId == long.Parse(tenantId));
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//用非默认ConfigId进行测试
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//添加业务库只在当前上下文有效（原理：SqlSugarScope模式入门文档去看）
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db.AddConnection(new ConnectionConfig()
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{
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ConfigId = tenantId,
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ConnectionString = connInfo.Connection,
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DbType = connInfo.DbType,
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IsAutoCloseConnection = true
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});
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}
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return db.GetConnection(tenantId);
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}
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/// <summary>
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/// 获取主库信息
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/// </summary>
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/// <returns></returns>
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public ISqlSugarClient GetMasterDb()
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{
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return db.GetConnection("1288018625843826688");
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}
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/// <summary>
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/// 主库根据Id获取业务库
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/// </summary>
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/// <returns></returns>
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public ISqlSugarClient GetBizDbById(object configId)
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{
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if(!db.IsAnyConnection(configId))
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{
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var connInfo = GetMasterDb().Queryable<SysTenantLink>().First(x => x.TenantId == Convert.ToInt64(configId));
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//用非默认ConfigId进行测试
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//添加业务库只在当前上下文有效（原理：SqlSugarScope模式入门文档去看）
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db.AddConnection(new ConnectionConfig() {
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ConfigId = configId,
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ConnectionString = connInfo.Connection,
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DbType = connInfo.DbType,
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IsAutoCloseConnection = true });
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}
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return db.GetConnection(configId);
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}
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public SqlSugarScopeProvider GetMasterDbScope()
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{
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return db.GetConnectionScope("1288018625843826688");
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}
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} |