private void DeleteInRepo <TModel>(IBasicRepository <TModel> repository, Func <TModel, List <CustomFormat> > queryFunc,
Func <TModel, List <CustomFormat>, TModel> updateFunc, int customFormatId) where TModel : ModelBase, new()
{
var pagingSpec = new PagingSpec <TModel>
{
Page = 0,
PageSize = 2000
};
while (true)
{
var allItems = repository.GetPaged(pagingSpec);
var toUpdate = allItems.Records.Where(r => queryFunc(r).Exists(c => c.Id == customFormatId)).Select(r =>
{
return(updateFunc(r, queryFunc(r).Where(c => c.Id != customFormatId).ToList()));
});
repository.UpdateMany(toUpdate.ToList());
if (pagingSpec.Page * pagingSpec.PageSize >= allItems.TotalRecords)
{
break;
}
pagingSpec.Page += 1;
}
}