57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
using System;
|
|
using Microsoft.AspNetCore.Authorization;
|
|
using Volo.Abp.Application.Services;
|
|
using Volo.Abp.EventBus.Local;
|
|
using Yi.Framework.Bbs.Domain.Shared.Etos;
|
|
|
|
namespace Yi.Framework.Bbs.Application.Services.Integral
|
|
{
|
|
public class LuckyService : ApplicationService
|
|
{
|
|
private ILocalEventBus _localEventBus;
|
|
public LuckyService(ILocalEventBus localEventBus) { _localEventBus = localEventBus; }
|
|
|
|
/// <summary>
|
|
/// 大转盘
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
[Authorize]
|
|
public async Task<int> PostWheel()
|
|
{
|
|
int[] values=new int[10] { 0,10,30,50,80,100,150,200,300,666};
|
|
var index = GetWheelIndex();
|
|
var value = values[index]-50;
|
|
|
|
//修改钱钱，如果钱钱不足，直接会丢出去,那本次抽奖将无效
|
|
await _localEventBus.PublishAsync(new MoneyChangeEventArgs { UserId = CurrentUser.Id!.Value, Number = value }, false);
|
|
|
|
return index;
|
|
}
|
|
|
|
private int GetWheelIndex()
|
|
{
|
|
int[] probabilities = { 10, 15, 10, 20, 10, 5, 5, 3, 2, 1 };
|
|
|
|
int total = 0;
|
|
foreach (var prob in probabilities)
|
|
{
|
|
total += prob;
|
|
}
|
|
|
|
int randomNum = new Random().Next(1, total + 1);
|
|
|
|
int cumulativeProb = 0;
|
|
for (int i = 0; i < probabilities.Length; i++)
|
|
{
|
|
cumulativeProb += probabilities[i];
|
|
if (randomNum <= cumulativeProb)
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
var value = probabilities.Length - 1;
|
|
return value;
|
|
}
|
|
}
|
|
}
|