| using Microsoft.AspNetCore.Hosting; | 
| using Microsoft.Extensions.DependencyInjection; | 
| using Microsoft.Extensions.Hosting; | 
| using Microsoft.Extensions.Logging; | 
| using System; | 
| using System.Collections.Generic; | 
| using System.Linq; | 
| using System.Text; | 
| using System.Threading.Tasks; | 
| using WIDESEA_Core.Helper; | 
| using WIDESEA_Core.Seed; | 
|   | 
| namespace WIDESEA_Core | 
| { | 
|     public sealed class SeedDataHostedService : IHostedService | 
|     { | 
|         private readonly DBContext _dbContext; | 
|         private readonly ILogger<SeedDataHostedService> _logger; | 
|         private readonly string _webRootPath; | 
|         private readonly IServiceProvider _serviceProvider; | 
|   | 
|         public SeedDataHostedService( | 
|             IServiceProvider serviceProvider, | 
|             IWebHostEnvironment webHostEnvironment, | 
|             ILogger<SeedDataHostedService> logger) | 
|         { | 
|             _serviceProvider = serviceProvider; | 
|             _logger = logger; | 
|             _webRootPath = webHostEnvironment.WebRootPath; | 
|   | 
|             using var scope = _serviceProvider.CreateScope(); | 
|   | 
|             var dbContext = scope.ServiceProvider.GetService<DBContext>(); | 
|             //dbContext.Db.Aop.DataExecuting = SqlSugarAop.DataExecuting; | 
|             _dbContext = dbContext; | 
|         } | 
|   | 
|         public async Task StartAsync(CancellationToken cancellationToken) | 
|         { | 
|             _logger.LogInformation("Start Initialization Db Seed Service!"); | 
|             await DoWork(); | 
|         } | 
|   | 
|         private async Task DoWork() | 
|         { | 
|             try | 
|             { | 
|                 //if (AppSettings.app("AppSettings", "SeedDBEnabled").ObjToBool() || AppSettings.app("AppSettings", "SeedDBDataEnabled").ObjToBool()) | 
|                 { | 
|                     // 使用 myScopedService 执行任务 | 
|   | 
|                     //await DBSeed.SeedAsync(_dbContext, _webRootPath); | 
|   | 
|                     //多租户 同步 | 
|                     //await DBSeed.TenantSeedAsync(_dbContext); | 
|                 } | 
|             } | 
|             catch (Exception ex) | 
|             { | 
|                 _logger.LogError(ex, "Error occured seeding the Database."); | 
|                 throw; | 
|             } | 
|         } | 
|   | 
|         public Task StopAsync(CancellationToken cancellationToken) | 
|         { | 
|             _logger.LogInformation("Stop Initialization Db Seed Service!"); | 
|             return Task.CompletedTask; | 
|         } | 
|   | 
|     } | 
| } |