zongzhilinglan/GDZZ.Application/Service/SysRegion/SysRegionService.cs

using GDZZ.Core;
using Furion.DependencyInjection;
using Furion.DynamicApiController;
using Mapster;
using Microsoft.AspNetCore.Mvc;
using SqlSugar;
using System.Linq;
using System.Threading.Tasks;
using GDZZ.Application.Entity;
using Microsoft.AspNetCore.Authorization;
using System.Collections.Generic;
using GDZZ.Core.Service;

namespace GDZZ.Application
{
    /// <summary>
    /// 地区表服务
    /// </summary>
    [ApiDescriptionSettings("Application",Name = "SysRegion", Order = 1)]
    public class SysRegionService : ISysRegionService, IDynamicApiController, ITransient
    {
        private readonly SqlSugarRepository<SysRegion> _rep;

        public SysRegionService(SqlSugarRepository<SysRegion> rep)
        {
            _rep = rep;
        }


        /// <summary>
        /// 查询地区列表
        /// </summary>
        /// <returns></returns>
        [HttpGet("/Mini/GetRegionList")]
        [AllowAnonymous]
        public async Task<List<SysRegionOutput>> GetRegionList()
        {
            //先查询 省级别
            var allRegions = await _rep.AsQueryable().ToListAsync();
            var provinces = allRegions.Where(x=>x.region_level == 1).ToList().Adapt<List<SysRegionOutput>>();

            foreach (var province in provinces)
            {
                province.children = allRegions.Where(r => r.region_level == 2 && r.region_parent_id == province.region_id).ToList().Adapt<List<SysRegionOutput>>();
                foreach (var city in province.children)
                {
                    city.children = allRegions.Where(r => r.region_level == 3 && r.region_parent_id == city.region_id).ToList().Adapt<List<SysRegionOutput>>();
                }
            }
            return provinces;
        }



    }
}