private GoogleDriveItem _ToGoogleDriveItem(Google.Apis.Drive.v3.Data.File file)
{
List <string> metdata = file.Description?.ToLower().Split('|').ToList();
string title = null;
string tags = null;
string desc = null;
// parse title, tags, and description from description field
if (metdata?.Count() > 1)
{
title = metdata?.Where(m => m.StartsWith("title")).FirstOrDefault().Split(':')[1];
tags = metdata?.Where(m => m.StartsWith("tags")).FirstOrDefault().Split(':')[1];
desc = metdata?.Where(m => m.StartsWith("description")).FirstOrDefault().Split(':')[1];
}
var googleDriveItem = new GoogleDriveItem
{
Id = file.Id,
Name = file.Name,
Title = title ?? file.Name,
Tags = tags?.Split(',').Select(t => t),
Description = desc ?? file.Description,
Url = file.WebViewLink,
IsVideo = file.MimeType.Contains("video"),
IsFolder = file.MimeType.Equals("application/vnd.google-apps.folder"),
Parents = file.Parents,
};
// googleDriveItem.Children = childFolders;
return(googleDriveItem);
}
private List <GoogleDriveItem> _BuildHeirarchy()
{
// non recursive solution. recursive would be a bit more elegant
var allFolders = _allItems.Where(f => f.Parents != null && f.MimeType == "application/vnd.google-apps.folder").ToList();
// loop thru folders, add all child folders
var googleFolders = new List <GoogleDriveItem>();
foreach (var folder in allFolders)
{
var item = _ToGoogleDriveItem(folder);
// get children
var childItems = _allItems.Where(f => f.Parents != null && f.MimeType == "application/vnd.google-apps.folder").Where(f2 => f2.Parents.Contains(folder.Id)).ToList();
var childList = new List <GoogleDriveItem>();
foreach (var child in childItems)
{
childList.Add(_ToGoogleDriveItem(child));
}
item.Children = childList;
// add to folder list
googleFolders.Add(item);
}
// process all folders that have children
var stack = new Stack <GoogleDriveItem>();
foreach (var folder in googleFolders)
{
if (folder.Parents != null && folder.Children.Count > 0)
{
var parentId = folder.Parents[0];
if (parentId != _rootId)
{
stack.Push(folder);
}
}
}
//process stack
while (stack.Any())
{
// process stack item
GoogleDriveItem node = stack.Pop();
var parent = googleFolders.FirstOrDefault(f => f.Id == node.Parents[0]);
// remove other children with same id
var child = parent.Children.FirstOrDefault(f => f.Id == node.Id);
if (child != null)
{
parent.Children.Remove(child);
}
// add current node
parent.Children.Add(node);
}
// return root level folders, all other folders have been moved under subfolders
var rc = googleFolders.Where(f => f.Parents.Contains(_rootId)).ToList();
return(rc);
}
