backend/ExamKing.Application/Services/SelectService.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using ExamKing.Application.ErrorCodes;
using ExamKing.Application.Mappers;
using ExamKing.Core.Entites;
using Furion.DatabaseAccessor.Extensions;
using Furion.DatabaseAccessor;
using Furion.DependencyInjection;
using Furion.FriendlyException;
using Mapster;
using Microsoft.EntityFrameworkCore;

namespace ExamKing.Application.Services
{
    /// <summary>
    /// 选择题服务
    /// </summary>
    public class SelectService : ISelectService, ITransient
    {
        private readonly IRepository<TbSelect> _selectRepository;

        /// <summary>
        /// 依赖注入
        /// </summary>
        public SelectService(IRepository<TbSelect> selectRepository)
        {
            _selectRepository = selectRepository;
        }
        
        /// <summary>
        /// 创建选择题
        /// </summary>
        /// <param name="selectDto"></param>
        /// <returns></returns>
        public async Task<SelectDto> CreateSelect(SelectDto selectDto)
        {
            // selectDto.CreateTime = TimeUtil.GetTimeStampNow();
            var selectInsert = await _selectRepository
                .InsertNowAsync(selectDto.Adapt<TbSelect>());

            return selectInsert.Entity.Adapt<SelectDto>();
        }

        /// <summary>
        /// 更新选择题
        /// </summary>
        /// <param name="selectDto"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        public async Task<SelectDto> UpdateSelect(SelectDto selectDto)
        {
            var selectEntity = await _selectRepository.FirstOrDefaultAsync(u => u.Id == selectDto.Id);
            if (selectEntity==null)
            {
                throw Oops.Oh(SelectErrorCodes.x1701);
            }

            var selectUpdate = selectDto.Adapt(selectEntity);