public async Task <List <GetTreeViewDTO> > GetTreeWithParentsOnly(Guid?rootId = null)
{
var dtosFromCategories = await _dbContext.Categories.Select(category => GetTreeViewDTO.FromCategory(category)).ToListAsync();
await _dbContext.SaveChangesAsync();
return(dtosFromCategories.CreateTree(rootId).ToList());
}
public async Task <List <GetTreeViewDTO> > GetTreeView(Guid?rootId = null)
{
var dtosFromCategories = await _dbContext.Categories.Select(category => GetTreeViewDTO.FromCategory(category)).ToListAsync();
var dtosFromPages = await _dbContext.Pages.Select(page => GetTreeViewDTO.FromPage(page)).ToListAsync();
await _dbContext.SaveChangesAsync();
return(dtosFromCategories.Concat(dtosFromPages).ToList().CreateTreeIncludeRoot(rootId));
}
public static List <GetTreeViewDTO> CreateTreeIncludeRoot(this List <GetTreeViewDTO> collection, Guid?rootId)
{
try
{
GetTreeViewDTO root = collection.First(c => c.Id == rootId);
root.Childs = collection.CreateTree(root.Id);
return(new List <GetTreeViewDTO>()
{
root
});
}
catch (System.Exception)
{
return(collection.CreateTree());
}
}
