72 lines
2.8 KiB
C#
72 lines
2.8 KiB
C#
using Hncore.Infrastructure.EF;
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using Hncore.Pass.Manage.Configs;
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using Hncore.Pass.Manage.Domain;
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using Hncore.Pass.Manage.Repository;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.Options;
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using System;
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using System.Linq;
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using System.Linq.Expressions;
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namespace Hncore.Pass.Manage.Service
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{
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/// <summary>
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/// 父业务逻辑类
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/// </summary>
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///
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public abstract class BaseService
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{
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/// <summary>
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/// 配置文件数据承载对象
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/// </summary>
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protected readonly AppSettings _appSettings;
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/// <summary>
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/// EF上下文对象
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/// </summary>
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protected readonly EfDbContext _dbCtx;
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/// <summary>
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/// 数据库连接字符串
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/// </summary>
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public string OldDbConString { get { return _appSettings.OldDbConString; } }
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="hca">HTTP上下文访问对象</param>
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public BaseService(IHttpContextAccessor hca)
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{
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this._dbCtx= hca.HttpContext.RequestServices.GetService(typeof(EfDbContext)) as EfDbContext;
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//获取当前应用配置信息承载对象
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var oa=hca.HttpContext.RequestServices.GetService(typeof(IOptionsMonitor<AppSettings>)) as IOptionsMonitor<AppSettings>;
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this._appSettings = oa.CurrentValue;
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}
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/// <summary>
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/// 获取操作员有权操作的项目编码列表(可直接用于EF查询中的Labmda查询条件中)
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/// </summary>
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/// <param name="operaterId">操作员数据库ID</param>
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/// <param name="ownerId">隶属的物业ID</param>
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/// <returns>有权操作的项目编码列表，没有就返回null</returns>
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public IQueryable<int> GetManagerProjectCodeList(int operaterId, int ownerId = 0)
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{
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if (operaterId <= 0)
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return null;
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Expression<Func<AuthorityManagerDataDomain, bool>> expression = c => c.DeleteTag == 0 && c.ManagerId == operaterId;
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if (ownerId > 0)
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{//如果传递了物业ID，需要动态将物业ID追加到Lambda表达式中去
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var p1 = expression.Parameters[0];
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var ownerIdExpression = Expression.PropertyOrField(p1, "OwnerId");
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var m3 = Expression.Equal(ownerIdExpression, Expression.Constant(ownerId));
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var body= Expression.And(expression.Body, m3);
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expression = Expression.Lambda<Func<AuthorityManagerDataDomain, bool>>(body, p1);
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}
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IQueryable<int> list = _dbCtx.Set<AuthorityManagerDataDomain>().GetQueryable().Where(expression).Select(c => c.ProjectCode);
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return list;
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}
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}
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}
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