lg_backend/langguanApi/Service/DeviceService.cs

using langguanApi.Extensions.AutoDI;
using langguanApi.Model;
using langguanApi.Model.Dto;
using Mapster;
using System.Linq.Expressions;

namespace langguanApi.Service
{
    [ServiceInjection(InjectionType.Scoped)]
    public class DeviceService : BaseService<Device>
    {
        public DeviceService(IConfiguration config) : base(config, nameof(Device))
        {
        }

        /// <summary>
        /// 新加
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<ApiResult> Add(DeviceDto input)
        {
            if (await Exist(input))
            {
                return new ApiResult { code = 1, msg = $"已经存在名称为：{input.Name}" };
            }
            var entity = input.Adapt<Device>();
            if (entity != null)
            {
                await base.CreateAsync(entity);
                return new ApiResult { code = 0, msg = "" };
            }
            return new ApiResult { code = -1, msg = "" }; ;
        }
        /// <summary>
        /// 是否存在
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<bool> Exist(DeviceDto input)
        {
            var entity = input.Adapt<Device>();
            Expression<Func<Device, bool>> exp = filter => filter.deviceMN == entity.deviceMN;
            return await base.Exist(exp);
        }
        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<ApiResult> update(DeviceDto input)
        {
            var entity = input.Adapt<Device>();
            await base.UpdateAsync(entity.Id, entity);
            return new ApiResult { code = 0, msg = "" };
        }
        /// <summary>
        /// remove
        /// </summary>
        /// <param name="ids"></param>
        /// <returns></returns>
        public async Task<ApiResult> remove(IEnumerable<string> ids)
        {
            if (ids.Any())
            {
                foreach (var item in ids)
                {
                    var entity = await base.GetAsync(item);
                    entity.IsDelete = true;
                    await base.UpdateAsync(entity.Id, entity);
                }
                return new ApiResult { code = 0, msg = "" };
            }
            return new ApiResult { code = -1, msg = "" };
        }
        // 通过devicemn获取设备信息
        public async Task<Device> GetByDeviceMN(string deviceMN)
        {
            Expression<Func<Device, bool>> exp = filter => filter.deviceMN == deviceMN && filter.IsDelete == false;
            return (await base.GetListWithExp(exp)).FirstOrDefault();
        }


        /// <summary>
        /// 分页取数据
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<object> GetPage(reqpage input)
        {
            Expression<Func<Device, bool>> exp = filter => filter.Name.Contains(input.key) && filter.IsDelete == false;
            return await base.GetPager(new ReqPaing()
            {
                pageSize = input.pageSize,
                current = input.current
            }, exp);
        }
    }
}