/// <summary>
/// Scarica le informazioni su una determinata Folder.
/// Nota: se la Folder non esiste, viene preventivamente creata
/// </summary>
/// <param name="context">Il ClientContext di riferimento</param>
/// <param name="listName">Il nome della List nella quale cercare oppure creare la Folder</param>
/// <param name="folderName">Il nome della Folder da restituire. Se non passato, viene ricercata la RootFolder della List di riferimento</param>
/// <returns>L'oggetto Folder di riferimento</returns>
private static Folder GetOrCreateFolder(ClientContext context, string listName, string folderName)
{
List list = LoadList(context, listName);
context.Load(list.RootFolder);
context.Load(list.RootFolder.Folders);
context.ExecuteQuery();
if (folderName == null)
{
return(list.RootFolder);
}
string folderUrl = String.Format("{0}/{1}/{2}", SitePath, listName, folderName);
FolderCollection folders = list.RootFolder.Folders;
var existingFolders = context.LoadQuery <Folder>(
folders.Where(folder => folder.ServerRelativeUrl == folderUrl)
);
context.ExecuteQuery();
Folder result = existingFolders.FirstOrDefault();
if (result != null)
{
context.Load(result);
context.Load(result.Files);
context.ExecuteQuery();
return(result);
}
var itemCreateInfo = new ListItemCreationInformation
{
UnderlyingObjectType = FileSystemObjectType.Folder,
LeafName = folderName
};
ListItem item = list.AddItem(itemCreateInfo);
item["Title"] = folderName;
item.Update();
context.ExecuteQuery();
existingFolders = context.LoadQuery <Folder>(
folders.Where(folder => folder.ServerRelativeUrl == folderUrl)
);
context.ExecuteQuery();
return(existingFolders.First());
}
public async Task Init()
{
var folderList = await App._instance.IO.GetLocalDataAsync <List <FolderItem> >(StaticString.FolderListFileName);
var historyList = await App._instance.IO.GetLocalDataAsync <List <HistoryItem> >(StaticString.HistoryListFileName);
FolderCollection.Clear();
DisplayHistoryCollection.Clear();
if (!folderList.IsNullOrEmpty())
{
folderList.ForEach(p => FolderCollection.Add(p));
}
else
{
var folderItem = new FolderItem(App._instance.App.GetLocalizationTextFromResource(LanguageName.Default), FeatherSymbol.Activity);
FolderCollection.Add(folderItem);
await SaveFolderList();
}
string lastSelectedFolderId = App._instance.App.GetLocalSetting(Settings.LastSelectFolderId, "");
if (!FolderCollection.Any(p => p.Id == lastSelectedFolderId))
{
lastSelectedFolderId = FolderCollection.First().Id;
}
CurrentSelectedFolder = FolderCollection.Where(p => p.Id == lastSelectedFolderId).First();
if (!historyList.IsNullOrEmpty())
{
AllHistoryList = historyList;
historyList.Where(p => p.FolderId == lastSelectedFolderId).ToList().ForEach(p => DisplayHistoryCollection.Add(p));
HistoryChanged?.Invoke(this, EventArgs.Empty);
}
}
