/// <summary>
/// get directories
/// </summary>
/// <returns></returns>
public IList <PartsModel> GetDirectory()
{
using (var dao = new PartsDao(_dbName))
{
return(dao.GetDirectory());
}
}
/// <summary>
/// get a parts and directories tree (root node)
/// </summary>
/// <returns>root node</returns>
public PartsModel BuildPartsTree()
{
IList <PartsModel> directories = null;
IList <PartsModel> parts = null;
using (var dao = new PartsDao(_dbName))
{
directories = dao.GetDirectory();
parts = dao.GetParts();
}
var dictNodes = directories.ToDictionary(m => m.Id, m => m);
var root = new PartsModel()
{
Name = _dbName,
Id = 0,
PId = 0,
SortPos = 0,
PartsType = PartsModel.Type.ROOT,
};
// build directory tree
foreach (var node in dictNodes)
{
var pid = node.Value.PId;
if (pid == 0)
{
root.Children.Add(node.Value);
node.Value.Parent = root;
}
else
{
if (dictNodes.ContainsKey(pid))
{
var parentItem = dictNodes[pid];
parentItem.Children.Add(node.Value);
node.Value.Parent = parentItem;
}
}
}
// build part tree under the directory
foreach (var part in parts)
{
if (dictNodes.ContainsKey(part.PId))
{
var parentItem = dictNodes[part.PId];
parentItem.Children.Add(part);
part.Parent = parentItem;
}
}
return(root);
}