void FormStorage_Created(object sender, FormEventArgs e)
{
var form = e.Form;
// Was this form created in a folder?
var sessionId = UmbracoContext.Current.Security.GetSessionId();
var folderId = HttpContext.Current.Cache[sessionId + "_folderId"];
if (folderId == null)
{
return;
}
var folder = PerplexFolder.Get(folderId.ToString());
if (folder == null)
{
return;
}
folder.Forms.Add(form.Id.ToString());
PerplexFolder.SaveAll();
ClearFormsCache(folderId.ToString());
}
public void Move(PerplexFolder newParent)
{
// Remove from current parent
PerplexFolder currentParent = GetParent();
// Should not be possible, but just in case (root folder can never be moved)
if (currentParent == null)
{
return;
}
// Trying to "move" to the same parent? Nope.
if (currentParent.Id == newParent.Id)
{
return;
}
// Remove from current parent
currentParent.Folders.Remove(this);
// Move to new parent
ParentId = newParent.Id;
newParent.Folders.Add(this);
SaveAll();
}
/// <summary>
/// Adds a new folder
/// </summary>
/// <param name="folder"></param>
/// <param name="parentId"></param>
public static void Add(PerplexFolder folder, string parentId)
{
var parentFolder = Get(parentId);
if (parentFolder == null)
{
throw new ArgumentException("Folder with parentId " + parentId + " not found.", "parentId");
}
parentFolder.AddFolder(folder);
}
void FormStorage_Deleted(object sender, Umbraco.Forms.Core.FormEventArgs e)
{
// If this Form was stored in a Folder, remove it.
var form = e.Form;
var folder = PerplexFolder.Get(f => f.Forms.Any(fid => fid == form.Id.ToString()));
if (folder != null)
{
folder.Forms.Remove(form.Id.ToString());
PerplexFolder.SaveAll();
}
}
/// <summary>
/// Updates this folder with all properties of the given folder, except for id.
/// </summary>
/// <param name="folder"></param>
public void Update(PerplexFolder folder)
{
// Disabled folders cannot be updated
if (Disabled)
{
return;
}
ParentId = folder.ParentId;
Name = folder.Name;
Forms = folder.Forms;
Folders = folder.Folders;
SaveAll();
}
/// <summary>
/// Returns the first common ancestor of the list of folders
/// </summary>
/// <param name="folders"></param>
/// <returns></returns>
public static PerplexFolder GetCommonAncestor(List <PerplexFolder> folders)
{
if (!folders.Any())
{
return(null);
}
// The common ancestor is found by simply taking the intersection of all folder paths
// If the resulting list contains more than 1 folder, we take the last one (= deepest in the tree).
var folderPaths = folders.Select(folder => folder.Path);
// This list will always be at least of length 1, as all folders share at least the root folder.
var commonAncestors = folderPaths.Aggregate((intersected, list) => intersected.Intersect(list).ToList());
return(PerplexFolder.Get(commonAncestors.Last()));
}
/// <summary>
/// Returns the root folder.
/// Any other folders are nested inside the root folder.
/// </summary>
public static PerplexFolder GetRootFolder()
{
if (rootFolder == null)
{
var jsonFile = GetFilePath();
if (formsFileSystem.FileExists(jsonFile))
{
try
{
using (StreamReader sr = new StreamReader(formsFileSystem.OpenFile(jsonFile)))
{
string json = sr.ReadToEnd();
if (!string.IsNullOrEmpty(json))
{
PerplexFolder folder = null;
try { folder = JsonConvert.DeserializeObject <PerplexFolder>(json); }
catch (JsonSerializationException) { }
// Only set as rootfolder if deserialization was succesful
if (folder != null)
{
rootFolder = folder;
}
}
}
}
catch (Exception) { } // TODO: Handle errors?
}
// Something went wrong retrieving the rootFolder
// Create a new instance and write it to disk.
// We also create a new root folder when the Id is missing.
// This can occur when the JSON was simply "{}" which will deserialize properly
// but will yield a completely empty PerplexFolder with no data whatsoever, whereas
// an Id is required to function properly.
if (rootFolder == null || string.IsNullOrEmpty(rootFolder.Id))
{
rootFolder = CreateNewRoot();
SaveAll();
}
}
return(rootFolder);
}
/// <summary>
/// Returns the start folders for the given user
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public static List <PerplexFolder> GetStartFoldersForUser(IUser user)
{
if (user == null)
{
return(new List <PerplexFolder>());
}
// We cache the result by user id,
// to prevent unnecessary SQL queries
string cacheKey = "_Perplex_StartFolders_" + user.Id;
List <PerplexFolder> folders = HttpContext.Current.Cache[cacheKey] as List <PerplexFolder>;
if (folders == null)
{
var sqlHelper = Helper.SqlHelper;
try
{
var reader = sqlHelper.ExecuteReader(
"SELECT formsStartNode FROM [perplexUmbracoUser] WHERE userId = @userId",
sqlHelper.CreateParameter("@userId", user.Id)
);
folders = new List <PerplexFolder>();
while (reader.Read())
{
string folderId = reader.Get <string>("formsStartNode");
PerplexFolder folder = PerplexFolder.Get(folderId);
if (folder != null)
{
folders.Add(folder);
}
}
}
catch (Exception) { folders = new List <PerplexFolder>(); }
HttpContext.Current.Cache[cacheKey] = folders;
}
return(folders);
}
/// <summary>
/// Returns the start folders for the given user
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public static List <PerplexFolder> GetStartFoldersForUser(IUser user)
{
if (user == null)
{
return(new List <PerplexFolder>());
}
// We cache the result by user id,
// to prevent unnecessary SQL queries
string cacheKey = "_Perplex_StartFolders_" + user.Id;
List <PerplexFolder> folders = HttpContext.Current.Cache[cacheKey] as List <PerplexFolder>;
if (folders == null)
{
try
{
folders = new List <PerplexFolder>();
var records = Sql.CreateSqlDataEnumerator(
"SELECT formsStartNode FROM [perplexUmbracoUser] WHERE userId = @userId",
System.Data.CommandType.Text,
new { userId = user.Id });
foreach (IDataRecord record in records)
{
string folderId = record["formsStartNode"].ToString();
PerplexFolder folder = PerplexFolder.Get(folderId);
if (folder != null)
{
folders.Add(folder);
}
}
}
catch (Exception) { folders = new List <PerplexFolder>(); }
HttpContext.Current.Cache[cacheKey] = folders;
}
return(folders);
}
/// <summary>
/// Returns the root folder.
/// Any other folders are nested inside the root folder.
/// </summary>
public static PerplexFolder GetRootFolder()
{
if (rootFolder == null)
{
var jsonFile = GetFilePath();
if (File.Exists(jsonFile))
{
try
{
string json = File.ReadAllText(jsonFile);
if (!string.IsNullOrEmpty(json))
{
PerplexFolder folder = null;
try { folder = JsonConvert.DeserializeObject <PerplexFolder>(json); }
catch (JsonSerializationException) { }
// Only set as rootfolder if deserialization was succesful
if (folder != null)
{
rootFolder = folder;
}
}
}
catch (Exception) { } // TODO: Handle errors?
}
// Something went wrong retrieving the rootFolder
// Create a new instance and write it to disk
if (rootFolder == null)
{
rootFolder = CreateNewRoot();
SaveAll();
}
}
return(rootFolder);
}
public void AddFolder(PerplexFolder folder)
{
folder.ParentId = Id;
Folders.Add(folder);
SaveAll();
}
public HttpResponseMessage Update(PerplexFolder folder)
{
// Update the folder
var folderToUpdate = PerplexFolder.Get(folder.Id);
if(folderToUpdate == null)
{
return new HttpResponseMessage(HttpStatusCode.NotFound) { ReasonPhrase = "Folder with id " + folder.Id + " not found" };
}
// If this folder is disabled, it means the user does not have access so it cannot be updated either
if (folderToUpdate.Disabled)
{
return new HttpResponseMessage(HttpStatusCode.Unauthorized) { ReasonPhrase = "Insufficient permission to update folder " + folder.Name };
}
folderToUpdate.Update(folder);
// Return the updated folder
return Request.CreateResponse(HttpStatusCode.OK, folderToUpdate);
}
public void Move(PerplexFolder newParent)
{
// Remove from current parent
PerplexFolder currentParent = GetParent();
// Should not be possible, but just in case (root folder can never be moved)
if (currentParent == null) return;
// Trying to "move" to the same parent? Nope.
if (currentParent.Id == newParent.Id) return;
// Remove from current parent
currentParent.Folders.Remove(this);
// Move to new parent
ParentId = newParent.Id;
newParent.Folders.Add(this);
SaveAll();
}
public void AddFolder(PerplexFolder folder)
{
folder.ParentId = Id;
Folders.Add(folder);
SaveAll();
}
/// <summary>
/// Adds a new folder
/// </summary>
/// <param name="folder"></param>
/// <param name="parentId"></param>
public static void Add(PerplexFolder folder, string parentId)
{
var parentFolder = Get(parentId);
if (parentFolder == null)
{
throw new ArgumentException("Folder with parentId " + parentId + " not found.", "parentId");
}
parentFolder.AddFolder(folder);
}
/// <summary>
/// Returns the root folder.
/// Any other folders are nested inside the root folder.
/// </summary>
public static PerplexFolder GetRootFolder()
{
if (rootFolder == null)
{
var jsonFile = GetJsonFilePath();
if (File.Exists(jsonFile))
{
try
{
string json = File.ReadAllText(jsonFile);
if (!string.IsNullOrEmpty(json))
{
PerplexFolder folder = null;
try { folder = JsonConvert.DeserializeObject<PerplexFolder>(json); }
catch (JsonSerializationException) { }
// Only set as rootfolder if deserialization was succesful
if (folder != null)
{
rootFolder = folder;
}
}
}
catch (Exception) { } // TODO: Handle errors?
}
// Something went wrong retrieving the rootFolder
// Create a new instance and write it to disk
if (rootFolder == null)
{
rootFolder = CreateNewRoot();
SaveAll();
}
}
return rootFolder;
}
/// <summary>
/// Updates this folder with all properties of the given folder, except for id.
/// </summary>
/// <param name="folder"></param>
public void Update(PerplexFolder folder)
{
// Disabled folders cannot be updated
if (Disabled) return;
ParentId = folder.ParentId;
Name = folder.Name;
Forms = folder.Forms;
Folders = folder.Folders;
SaveAll();
}
public HttpResponseMessage CreateFolder(string parentId, string name)
{
if (PerplexFolder.Get(parentId) == null)
return new HttpResponseMessage(HttpStatusCode.NotFound) { ReasonPhrase = "Parent folder with id " + parentId + " not found" };
// Add folder
var folder = new PerplexFolder
{
Id = Guid.NewGuid().ToString(),
ParentId = parentId,
// Do not allow a name as null, transform that to empty string instead (UI related, would display as "null" otherwise).
// If users want an empty folder name, so be it, so we are not going to prevent them from inputting an empty name.
Name = name == null ? "" : name,
Forms = new List<string>(),
Folders = new List<PerplexFolder>()
};
PerplexFolder.Add(folder, parentId);
return Request.CreateResponse(HttpStatusCode.OK, folder);
}
