public async Task <CourseSimpleDto> Simple(CourseQueryInput input)
{
//检查传入参数
if (!input.Id.HasValue)
{
throw new UserFriendlyException("传入Id参数不正确！");
}
var result = await _courseRepository.FirstOrDefaultAsync(x => x.Id == input.Id.Value);
if (result == null)
{
throw new UserFriendlyException("该条信息不存在！");
}
return(result.MapTo <CourseSimpleDto>());
}
public async Task <PagedResultDto <CourseDto> > Query(CourseQueryInput input)
{
//验证参数
if (!input.PageSize.HasValue)
{
throw new UserFriendlyException("传入PageSize参数不正确！");
}
if (!input.Start.HasValue)
{
throw new UserFriendlyException("传入Start参数不正确！");
}
//获取查询对象
var query = _courseRepository.GetAll().Where(
x => !x.SubjectProject.IsDeleted &&
!x.SubjectProject.Semester.IsDeleted
);
//添加关键词条件
if (!string.IsNullOrEmpty(input.KeyWord))
{
query = query.Where(x =>
x.Name.Contains(input.KeyWord)
);
}
//添加所属项目条件
if (input.SubjectProjectId.HasValue)
{
query = query.Where(x => x.SubjectProjectId == input.SubjectProjectId.Value);
}
//获取总数
var totalcount = await Task.FromResult(query.Count());
//添加分页条件
query = query.OrderBy(x => x.CreationTime)
.Skip(input.Start.Value).Take(input.PageSize.Value);
//执行查询
var courses = await Task.FromResult(query.ToList());
//包装为分页输出对象
return(new PagedResultOutput <CourseDto>(totalcount, courses.MapTo <List <CourseDto> >()));
}
public async Task <PagedResultDto <CourseListDto> > GetPaged([FromBody] CourseQueryInput input)
{
var query = _courseManager.QueryAsNoTracking
.Where(input.QueryConditions);
var count = await query.CountAsync();
var entityList = await query.OrderBy(input.SortConditions)
.PageBy(input)
.ToListAsync();
var dtoList = ObjectMapper.Map <IReadOnlyList <CourseListDto> >(entityList);
return(new PagedResultDto <CourseListDto>(count, dtoList));
}