sharding/samples/Sample.SqlServerShardingDat.../StartupExtension.cs

62 lines
2.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using Sample.SqlServerShardingDataSource.Entities;
using ShardingCore;
using ShardingCore.Bootstrappers;
namespace Sample.SqlServerShardingDataSource
{
public static class StartupExtension
{
public static void UseShardingCore(this IApplicationBuilder app)
{
app.ApplicationServices.UseAutoTryCompensateTable();
}
public static void InitSeed(this IApplicationBuilder app)
{
using (var serviceScope = app.ApplicationServices.CreateScope())
{
var myDbContext = serviceScope.ServiceProvider.GetRequiredService<MyDbContext>();
var any = myDbContext.Set<SysUser>().Where(o => o.Area == "A").Any();
if (!myDbContext.Set<SysUser>().Any())
{
string[] areas = new string[] {"A","B","C" };
List<SysUser> users = new List<SysUser>(10);
for (int i = 0; i < 10; i++)
{
var uer=new SysUser()
{
Id = i.ToString(),
Name = $"MyName{i}",
Area = areas[i % 3]
};
users.Add(uer);
}
List<Order> orders = new List<Order>(300);
var begin = new DateTime(2021, 1, 1, 3, 3, 3);
for (int i = 0; i < 300; i++)
{
var order = new Order()
{
Id = i.ToString(),
Payer = $"{i % 10}",
Money = 100+new Random().Next(100,3000),
OrderStatus = (OrderStatusEnum)(i % 4 + 1),
Area = areas[i % 3],
CreationTime = begin.AddDays(i)
};
orders.Add(order);
}
myDbContext.AddRange(users);
myDbContext.AddRange(orders);
myDbContext.SaveChanges();
}
}
}
}
}