private async Task <JsonResult> UpdateItemsAsync <TItem>(IList <TItem> items) where TItem : BaseModel, IPageItem
{
var result = new ResultModel();
if (!items.Any())
{
result.IsSuccess = true;
return(Json(result));
}
var pageId = items.FirstOrDefault()?.PageId;
var pageScripts = _pagesContext.Set <TItem>().Where(x => x.PageId.Equals(pageId)).ToList();
foreach (var prev in pageScripts)
{
var up = items.FirstOrDefault(x => x.Id.Equals(prev.Id));
if (up == null)
{
_pagesContext.Set <TItem>().Remove(prev);
}
else if (prev.Order != up.Order || prev.Script != up.Script)
{
prev.Script = up.Script;
prev.Order = up.Order;
_pagesContext.Set <TItem>().Update(prev);
}
}
var news = items.Where(x => x.Id == Guid.Empty).Select(x => new
{
PageId = pageId,
x.Script,
x.Order
}).Adapt <IEnumerable <TItem> >().ToList();
if (news.Any())
{
_pagesContext.Set <TItem>().AddRange(news);
}
try
{
await _pagesContext.SaveChangesAsync();
RemovePageFromCache(pageId.GetValueOrDefault(Guid.Empty));
result.IsSuccess = true;
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
return(new JsonResult(result));
}
