YD_WeChatApplet.Api/WeChatApplet/Services/Impl/HomeWorkService.cs

using AutoMapper;
using Microsoft.EntityFrameworkCore;
using System.Collections.Generic;
using System.Globalization;
using YD_WeChatApplet.Api.SmartSportsEntitys;
using YD_WeChatApplet.Api.Utilities;
using YD_WeChatApplet.Commons.Dto;
using YD_WeChatApplet.Commons.Dto.HomeWork;
using YD_WeChatApplet.Commons.Dto.School;
using YD_WeChatApplet.Commons.Enum;
using YD_WeChatApplet.Context;
using YD_WeChatApplet.Services;

namespace YD_WeChatApplet.Api.Services.Impl
{
    public class HomeWorkService : IHomeWorkService
    {
        public SmartSportsContext _sportsContext;
        public UserContext _userContext;
        private readonly IMapper _mapper;

        public HomeWorkService(SmartSportsContext sportsContext, UserContext userContext, IMapper mapper)
        {
            _sportsContext = sportsContext;
            _userContext = userContext;
            _mapper = mapper;
        }

        /// <summary>
        /// 老师新建作业
        /// </summary>
        /// <param name="paramDto"></param>
        /// <returns></returns>
        public async Task AddHomeWork(AddHomeWorkDto paramDto)
        {
            List<S_HomeWork> homeWorkEntities = new List<S_HomeWork>();

            string startmmed = paramDto.StartTime.Substring(0, 19);
            string endmmed = paramDto.EndTime.Substring(0, 19);

            DateTime startDate = DateTime.ParseExact(startmmed, "yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);
            DateTime endDate = DateTime.ParseExact(endmmed, "yyyy-MM-dd HH:mm:ss", CultureInfo.InvariantCulture);

            paramDto.StartTime = startmmed;

            var weekList = paramDto.WeekList;

            if (!paramDto.IsRepeat)
            {
                var homeWorkEntity = _mapper.Map<S_HomeWork>(paramDto);
                homeWorkEntity.SchoolCode = UserLoginContext.Current.SchoolCode;
                homeWorkEntity.TeacherId = UserLoginContext.Current.UserId;
                homeWorkEntity.TeacherName = UserLoginContext.Current.UserName;
                homeWorkEntity.WorkStatus = 1;
                homeWorkEntity.CreateTime = DateTime.Now;
                homeWorkEntity.StartTime = startDate;
                homeWorkEntity.EndTime = endDate;
                var workModeTypeText = paramDto.WorkModeType == WorkModeType.TimerCount ? paramDto.Duration + "秒" : paramDto.Amount + "个";
                homeWorkEntity.WorkText = $"{paramDto.WorkModeTypeName} {workModeTypeText} 组数:{paramDto.GroupNumber}组";

                homeWorkEntities.Add(homeWorkEntity);
            }
            else
            {
                for (var currentDate = startDate; currentDate <= endDate; currentDate = currentDate.AddDays(1))
                {
                    if (weekList.Contains((currentDate.DayOfWeek == 0 ? 7 : (int)currentDate.DayOfWeek)))
                    {
                        var homeWorkEntity = _mapper.Map<S_HomeWork>(paramDto);
                        homeWorkEntity.SchoolCode = UserLoginContext.Current.SchoolCode;
                        homeWorkEntity.TeacherId = UserLoginContext.Current.UserId;
                        homeWorkEntity.TeacherName = UserLoginContext.Current.UserName;
                        homeWorkEntity.WorkStatus = 1;
                        homeWorkEntity.CreateTime = DateTime.Now;
                        homeWorkEntity.StartTime = currentDate.Date;
                        homeWorkEntity.EndTime = currentDate.Date.AddDays(1).AddSeconds(-1);
                        var workModeTypeText = paramDto.WorkModeType == WorkModeType.TimerCount ? paramDto.Duration + "秒" : paramDto.Amount + "个";
                        homeWorkEntity.WorkText = $"{paramDto.WorkModeTypeName} {workModeTypeText} 组数:{paramDto.GroupNumber}组";

                        homeWorkEntities.Add(homeWorkEntity);
                    }
                }
            }

            await _sportsContext.AddRangeAsync(homeWorkEntities);
            await _sportsContext.SaveChangesAsync();
        }

        /// <summary>
        /// 老师作业记录
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        public async Task<PageDataDto<HomeWorkRecordDto>> HomeWorkRecordByTeacher(PageDto dto)
        {
            var userId = UserLoginContext.Current.UserId;
            var currentTime = DateTime.Now;

            var query = _sportsContext.HomeWork
                .Where(x => x.TeacherId == userId);

            var totalCount = await query.CountAsync();

            var list = await query
                .Select(x => new HomeWorkRecordDto()
                {
                    Id = x.Id,
                    WorkName = x.WorkName,
                    WorkTypeName = x.WorkTypeName,
                    WorkStatus = x.EndTime < currentTime ? 3 : (x.StartTime > currentTime ? 1 : 2),
                    StartTime = x.StartTime,
                    EndTime = x.EndTime
                })
                .OrderByDescending(x => x.Id)
                .Skip((dto.PageIndex - 1) * dto.PageSize)
                .Take(dto.PageSize)
                .ToListAsync();

            return new PageDataDto<HomeWorkRecordDto>
            {
                Total = totalCount,
                Datas = list
            };
        }

        /// <summary>
        /// 老师作业详情
        /// </summary>
        /// <param name="homeWorkId"></param>
        /// <returns></returns>
        public async Task<HomeWorkDetailsDto> HomeWorkDetailsByTeacher(int homeWorkId)
        {
            var res = await _sportsContext.HomeWork.Where(x => x.Id == homeWorkId).Select(x => new HomeWorkDetailsDto()
            {
                Id = x.Id,
                WorkName = $"{x.WorkName}-{x.WorkType.GetDescription()}",
                StartTime = x.StartTime,
                EndTime = x.EndTime,
                StudentScope = x.StudentScope == 1 ? "全部学生" : "部分学生",
                WorkText = x.WorkText,
                WorkModeType = x.WorkModeType,
                HomeWorkStudents = _mapper.Map<List<HomeWorkStudentsDto>>(x.HomeWorkStudents),
            }).FirstAsync();

            foreach (var item in res.HomeWorkStudents)
            {
                if (res.WorkModeType == WorkModeType.TimerCount)
                    item.Result = $"{item.Value}个";
                else
                    item.Result = item.Value.ToMinutesSeconds();

            }

            return res;
        }

        /// <summary>
        /// 作业项目列表
        /// </summary>
        /// <returns></returns>
        public async Task<List<CategoryDto>> HomeWorkCategoryList()
        {
            var res = await _userContext.Category
                .Select(x => new CategoryDto()
                {
                    Id = x.Id,
                    Name = x.CategoryName,
                    CategoryKey = x.CategoryKey,
                    KcalIndex = x.KcalIndex
                })
                .ToListAsync();

            return res;
        }

        /// <summary>
        /// 星期列表
        /// </summary>
        /// <returns></returns>
        public async Task<List<ComboBoxDto>> WeekList()
        {
            var res = await _userContext.Week
                .Select(x => new ComboBoxDto()
                {
                    Id = x.Id,
                    Name = x.Name
                })
                .ToListAsync();

            return res;
        }
    }
}