/// <summary>
/// 根据课程分类id集合移除所有课程关系
/// </summary>
/// <param name="courseCategoryIds">课程分类id集合</param>
/// <returns></returns>
public async Task RemoveAllByCategoryIds(List <long> courseCategoryIds)
{
if (courseCategoryIds == null || courseCategoryIds.Count == 0)
{
return;
}
await EntityRepo.DeleteAsync(
o => courseCategoryIds.Contains(o.CourseCategoryId)
);
}
/// <summary>
/// 从课程分类中移除所选课程 - 批量
/// </summary>
/// <param name="courseCategoryId">分类id</param>
/// <param name="courseIds">课程id集合</param>
/// <returns></returns>
public async Task BatchRemoveCourseFromCategory(long courseCategoryId, List <long> courseIds)
{
if (courseIds == null || courseIds.Count == 0)
{
return;
}
await EntityRepo.DeleteAsync(o =>
o.CourseCategoryId == courseCategoryId && courseIds.Contains(o.CourseId)
);
}
public async Task BatchDelete(List <long> input)
{
if (input == null || input.Count == 0)
{
return;
}
await EntityRepo.DeleteAsync(a => input.Contains(a.Id));
await _courseToCourseCategoryManager.RemoveAllByCategoryIds(input);
}
/// <summary>
/// 根据课程id移除所有分类关联
/// </summary>
/// <param name="courseId"></param>
/// <returns></returns>
public async Task RemoveAllByCourseId(long courseId)
{
await EntityRepo.DeleteAsync(
o => o.CourseId == courseId
);
}
/// <summary>
/// 从课程分类中移除所选课程
/// </summary>
/// <param name="courseCategoryId">分类id</param>
/// <param name="courseId">课程id</param>
/// <returns></returns>
public async Task RemoveCourseFromCategory(long courseCategoryId, long courseId)
{
await EntityRepo.DeleteAsync(
o => o.CourseId == courseId && o.CourseCategoryId == courseCategoryId
);
}
public async Task DeleteAsync(long id)
{
await EntityRepo.DeleteAsync(id);
await _courseToCourseCategoryManager.RemoveAllByCategoryId(id);
}
