/// <summary>
/// 删除页面的所有文章
/// </summary>
public void DeletePagePosts(string pageName)
{
IEnumerable <int> postIds = PostRepository.GetAll().Where(e => e.Page.Name == pageName).Select(e => e.Id);
Expression <Func <ContentComponentData, object> >[] propertySelectors =
{
e => e.SingleDatas
};
ComponentDataRepository.GetAllIncluding(propertySelectors).Where(e => e.PageDataId.HasValue && postIds.Contains(e.PageDataId.Value)).ToList();
ComponentDataRepository.Delete(item => item.PageDataId.HasValue && postIds.Contains(item.PageDataId.Value));
PostRepository.Delete(e => postIds.Contains(e.Id));
}
public void SetContentComponentDatas(string pageName, string pageDataName, List <ContentComponentData> contentComponentDatas)
{
PageData pageData = PostRepository.FirstOrDefault(e => e.Page.Name == pageName && e.Name == pageDataName);
Expression <Func <ContentComponentData, object> >[] propertySelectors =
{
e => e.SingleDatas
};
ComponentDataRepository.GetAllIncluding(propertySelectors).Where(e => e.PageDataId == pageData.Id).ToList();
ComponentDataRepository.Delete(item => item.PageDataId == pageData.Id);
contentComponentDatas.ForEach(item =>
{
item.PageData = pageData;
ComponentDataRepository.Insert(item);
});
}
public void DeletePageData(string pageName, string pageDataName)
{
var pageData = PostRepository.GetAllIncluding(new Expression <Func <PageData, object> >[] {
e => e.Tags
}).FirstOrDefault(e => e.Name == pageDataName && e.Page.Name == pageName);
if (pageData == null)
{
throw new UserFriendlyException("找不到要删除的文章");
}
Expression <Func <ContentComponentData, object> >[] propertySelectors =
{
e => e.SingleDatas
};
ComponentDataRepository.GetAllIncluding(propertySelectors).Where(e => e.PageDataId == pageData.Id).ToList();
ComponentDataRepository.Delete(item => item.PageDataId == pageData.Id);
PostRepository.Delete(pageData);
}