ScrewTurn.Wiki.PagesStorageProvider.RemoveNamespace C# (CSharp) Method

        public bool RemoveNamespace(NamespaceInfo nspace)
        {
            if(nspace == null) throw new ArgumentNullException("nspace");

            lock(this) {
                // Load all namespaces and remove the one to remove
                List<NamespaceInfo> allNamespaces = new List<NamespaceInfo>(GetNamespaces());
                NamespaceComparer comp = new NamespaceComparer();
                int index = allNamespaces.FindIndex(delegate(NamespaceInfo x) { return comp.Compare(x, nspace) == 0; });

                if(index >= 0) {
                    // Delete all categories
                    foreach(CategoryInfo cat in GetCategories(nspace)) {
                        RemoveCategory(cat);
                    }

                    // Delete all pages in the namespace (RemovePage removes the page from the search engine index)
                    nspace.DefaultPage = null; // TODO: Remove this trick (needed in order to delete the default page)
                    foreach(PageInfo page in GetPages(nspace)) {
                        RemovePage(page);
                    }

                    // Update namespaces file
                    allNamespaces.RemoveAt(index);
                    DumpNamespaces(allNamespaces.ToArray());

                    // Remove namespace folder
                    Directory.Delete(GetFullPathForPageContent(GetNamespacePartialPathForPageContent(nspace.Name)), true);

                    // Remove drafts folder
                    string oldDraftsFullPath = GetFullPathForPageDrafts(nspace.Name);
                    if(Directory.Exists(oldDraftsFullPath)) {
                        Directory.Delete(oldDraftsFullPath, true);
                    }

                    // Remove messages folder
                    Directory.Delete(GetFullPathForMessages(GetNamespacePartialPathForPageContent(nspace.Name)), true);

                    namespacesCache = null;
                    pagesCache = null;
                    categoriesCache = null;

                    return true;
                }
                else return false;
            }
        }