60 lines
2.0 KiB
C#
60 lines
2.0 KiB
C#
using Volo.Abp.Domain.Services;
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using Volo.Abp.Users;
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using Yi.Framework.DigitalCollectibles.Domain.Entities;
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using Yi.Framework.SqlSugarCore.Abstractions;
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namespace Yi.Framework.DigitalCollectibles.Domain.Managers;
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/// <summary>
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/// 藏品领域服务
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/// 用于管理用户的藏品库存、藏品的业务逻辑
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/// </summary>
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public class CollectiblesManager:DomainService
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{
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private readonly ISqlSugarRepository<CollectiblesUserStoreAggregateRoot> _collectiblesUserStoreRepository;
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public CollectiblesManager(ISqlSugarRepository<CollectiblesUserStoreAggregateRoot> collectiblesUserStoreRepository)
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{
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_collectiblesUserStoreRepository = collectiblesUserStoreRepository;
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}
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public async Task<decimal> GetAccountValueAsync(Guid userId)
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{
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var collectiblesList = await _collectiblesUserStoreRepository._DbQueryable
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.Where(store => store.UserId == userId)
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.LeftJoin<CollectiblesAggregateRoot>((store, c) => store.CollectiblesId == c.Id)
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.Select((store, c) =>
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new
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{
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c.Id,
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c.ValueNumber
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}
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).ToListAsync();
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var groupBy = collectiblesList.GroupBy(x => x.Id);
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decimal totalValue = 0;
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//首个价值百分之百，后续每个只有百分之40，最大10个
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foreach (var groupByItem in groupBy)
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{
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foreach (var item in groupByItem.Select((value, index) => new { value, index }))
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{
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if (item.index == 0)
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{
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totalValue += item.value.ValueNumber;
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}
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else if (item.index == 10)
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{
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//到第11个，直接跳出循环
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break;
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}
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else
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{
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totalValue += item.value.ValueNumber * 0.4m;
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}
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}
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}
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return totalValue;
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}
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} |