private async Task FixUrlByRemovingRootBetwenSelfAndChilds <T>(IParentChildUrlChainedItem <T> root, IParentChildUrlChainedItem <T> child) where T : class
{
var parent = child.ParentId == root.ParentId?root.Parent as IParentChildUrlChainedItem <T> :
LoadParent(child);
child.Url = parent == null ? child.UrlSegment : $"{parent.Url}/{child.UrlSegment}";
unitOfWork.Update(child);
unitOfWork.Entry(child).Collection(x => x.Childs).Load();
await unitOfWork.SaveChangesAsync();
foreach (var ch in child.Childs.ToList())
{
await FixUrlByRemovingRootBetwenSelfAndChilds(root, ch as IParentChildUrlChainedItem <T>);
}
}
private async Task FixUrlByParent <T>(IParentChildUrlChainedItem <T> item, IDataService <T, Guid> dataService) where T : class
{
item.UrlSegment = _urlBuilder.GenrateUrlSegment(string.IsNullOrEmpty(item.UrlSegment) ? item.Title : item.UrlSegment);
if (item.ParentId.HasValue)
{
var parent = await((IQueryable <IParentChildUrlChainedItem <T> >)(dataService.Query)).FirstOrDefaultAsync(x => x.Id == item.ParentId.Value) as IParentChildUrlChainedItem <T>;
item.Url = $"{parent.Url}/{item.UrlSegment}";
}
else
{
item.Url = item.UrlSegment;
}
var unitOfWork = Container.GetInstance <IUnitOfWork>();
unitOfWork.Update(item);
}
public async Task CheckParentChildConflict <T>(IParentChildUrlChainedItem <T> item, IDataService <T, Guid> dataService) where T : class
{
if (item.ParentId == null)
{
return;
}
var conflictIds = new List <Guid>();
conflictIds.Add(item.Id);
item.Childs?.ToList().ForEach(x => AddSelfIdWithChildsIds(x as IParentChildUrlChainedItem <T>, conflictIds));
if (conflictIds.Contains(item.ParentId.Value))
{
throw new InvalidOperationException($"this item has one of its child or the self id as parent id => {item}");
}
}
public async Task FixItemAndChildUrls <T>(IParentChildUrlChainedItem <T> item, IDataService <T, Guid> dataService) where T : class
{
if (item == null)
{
return;
}
var unitOfWork = Container.GetInstance <IUnitOfWork>();
await FixUrlByParent(item, dataService);
unitOfWork
.Entry(item)
.Collection(x => x.Childs)
.Load();
foreach (var ch in item.Childs.ToList())
{
await FixItemAndChildUrls(ch as IParentChildUrlChainedItem <T>, dataService);
}
}
private void AddSelfIdWithChildsIds <T>(IParentChildUrlChainedItem <T> item, List <Guid> ids) where T : class
{
ids.Add(item.Id);
item.Childs?.ToList().ForEach(x => AddSelfIdWithChildsIds(x as IParentChildUrlChainedItem <T>, ids));
}
private void RemoveRootBetwenSelfAndChilds <T>(IParentChildUrlChainedItem <T> root, IParentChildUrlChainedItem <T> child) where T : class
{
child.ParentId = root.ParentId;
unitOfWork.Update(child);
}
private IParentChildUrlChainedItem <T> LoadParent <T>(IParentChildUrlChainedItem <T> child) where T : class
{
unitOfWork.Entry(child).Reference(x => x.Parent).Load();
return(child.Parent as IParentChildUrlChainedItem <T>);
}
