public void RefreshDirectoryContent(IStorageProviderSession session, BaseDirectoryEntry entry)
{
if (entry == null)
return;
var url = String.Format(GoogleDocsConstants.GoogleDocsContentsUrlFormat, entry.Id.ReplaceFirst("_", "%3a"));
var parameters = new Dictionary<string, string> { { "max-results", "1000" } };
try
{
while (!String.IsNullOrEmpty(url))
{
var request = CreateWebRequest(session, url, "GET", parameters);
var response = (HttpWebResponse)request.GetResponse();
var rs = response.GetResponseStream();
var feedXml = new StreamReader(rs).ReadToEnd();
var childs = GoogleDocsXmlParser.ParseEntriesXml(session, feedXml);
entry.AddChilds(childs);
url = GoogleDocsXmlParser.ParseNext(feedXml);
}
}
catch (WebException)
{
}
}
private static ICloudFileSystemEntry ParseSingleEntry(IStorageProviderSession session, String json, JsonHelper parser)
{
if (json == null)
return null;
if (parser == null)
parser = CreateParser(json);
if (ContainsError(json, false, parser))
return null;
BaseFileEntry entry;
var type = parser.GetProperty("type");
if (!IsFolderType(type) && !IsFileType(type))
return null;
var id = parser.GetProperty("id");
var name = parser.GetProperty("name");
var parentID = parser.GetProperty("parent_id");
var uploadLocation = parser.GetProperty("upload_location");
var updatedTime = Convert.ToDateTime(parser.GetProperty("updated_time")).ToUniversalTime();
if (IsFolderType(type))
{
int count = parser.GetPropertyInt("count");
entry = new BaseDirectoryEntry(name, count, updatedTime, session.Service, session) {Id = id};
}
else
{
var size = Convert.ToInt64(parser.GetProperty("size"));
entry = new BaseFileEntry(name, size, updatedTime, session.Service, session) {Id = id};
}
entry[SkyDriveConstants.UploadLocationKey] = uploadLocation;
if (!String.IsNullOrEmpty(parentID))
{
entry.ParentID = SkyDriveConstants.RootIDRegex.IsMatch(parentID) ? "/" : parentID;
}
else
{
entry.Name = "/";
entry.Id = "/";
}
entry[SkyDriveConstants.InnerIDKey] = id;
entry[SkyDriveConstants.TimestampKey] = DateTime.UtcNow.ToString(CultureInfo.InvariantCulture);
return entry;
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="Name"></param>
/// <param name="modifiedDate"></param>
/// <param name="parent"></param>
/// <returns></returns>
public static ICloudDirectoryEntry CreateDirectoryEntry(IStorageProviderSession session, string Name, DateTime modifiedDate, ICloudDirectoryEntry parent)
{
// build up query url
var newObj = new BaseDirectoryEntry(Name, 0, modifiedDate, session.Service, session);
// case the parent if possible
if (parent != null)
{
var objparent = parent as BaseDirectoryEntry;
objparent.AddChild(newObj);
}
return newObj;
}
public static BaseFileEntry UpdateObjectFromJsonString(String jsonMessage, BaseFileEntry objectToUpdate, IStorageProviderService service, IStorageProviderSession session)
{
// verify if we have a directory or a file
var jc = new JsonHelper();
if (!jc.ParseJsonMessage(jsonMessage))
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidFileOrDirectoryName);
var isDir = jc.GetBooleanProperty("is_dir");
// create the entry
BaseFileEntry dbentry;
Boolean bEntryOk;
if (isDir)
{
if (objectToUpdate == null)
dbentry = new BaseDirectoryEntry("Name", 0, DateTime.Now, service, session);
else
dbentry = objectToUpdate as BaseDirectoryEntry;
bEntryOk = BuildDirectyEntry(dbentry as BaseDirectoryEntry, jc, service, session);
}
else
{
if (objectToUpdate == null)
dbentry = new BaseFileEntry("Name", 0, DateTime.Now, service, session);
else
dbentry = objectToUpdate;
bEntryOk = BuildFileEntry(dbentry, jc);
}
// parse the childs and fill the entry as self
if (!bEntryOk)
throw new SharpBoxException(SharpBoxErrorCodes.ErrorCouldNotContactStorageService);
// set the is deleted flag
try
{
// try to read the is_deleted property
dbentry.IsDeleted = jc.GetBooleanProperty("is_deleted");
}
catch (Exception)
{
// the is_deleted proprty is missing (so it's not a deleted file or folder)
dbentry.IsDeleted = false;
}
// return the child
return dbentry;
}
private static Boolean BuildDirectyEntry(BaseDirectoryEntry dirEntry, JsonHelper jh, IStorageProviderService service, IStorageProviderSession session)
{
// build the file entry part
if (!BuildFileEntry(dirEntry, jh))
return false;
// now take the content
var content = jh.GetListProperty("contents");
if (content.Count == 0)
return true;
// remove all childs
dirEntry.ClearChilds();
// add the childs
foreach (var jsonContent in content)
{
// parse the item
var jc = new JsonHelper();
if (!jc.ParseJsonMessage(jsonContent))
continue;
// check if we have a directory
var isDir = jc.GetBooleanProperty("is_dir");
BaseFileEntry fentry;
if (isDir)
{
fentry = new BaseDirectoryEntry("Name", 0, DateTime.Now, service, session);
}
else
{
fentry = new BaseFileEntry("Name", 0, DateTime.Now, service, session);
}
// build the file attributes
BuildFileEntry(fentry, jc);
// establish parent child realtionship
dirEntry.AddChild(fentry);
}
// set the length
dirEntry.Length = dirEntry.Count;
// go ahead
return true;
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="Name"></param>
/// <param name="parent"></param>
/// <returns></returns>
public override ICloudFileSystemEntry CreateResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
// get the credentials
ICredentials creds = session.SessionToken as ICredentials;
// build url
String uriString = GetResourceUrl(session, parent, null);
uriString = PathHelper.Combine(uriString, Name);
Uri uri = new Uri(uriString);
// build the DavService
DavService svc = new DavService();
// create the webrequest
int errorCode;
WebException e;
svc.PerformSimpleWebCall(uri.ToString(), WebRequestMethodsEx.Http.MkCol, creds.GetCredential(null, null), null, out errorCode, out e);
if (errorCode != (int) HttpStatusCode.Created)
return null;
else
{
BaseDirectoryEntry newDir = new BaseDirectoryEntry(Name, 0, DateTime.Now, this, session);
// init parent child relation
if (parent != null)
{
BaseDirectoryEntry parentDir = parent as BaseDirectoryEntry;
parentDir.AddChild(newDir);
}
return newDir;
}
}
private void RefreshChildsOfDirectory(IStorageProviderSession session, BaseDirectoryEntry dir)
{
// get the location
String reslocation = GetResourceUrl(session, dir as ICloudFileSystemEntry, null);
// ensure that we have a trailing slash
reslocation = reslocation.TrimEnd('/');
reslocation = reslocation + "/";
// build the uri
Uri resUri = new Uri(reslocation);
// convert BaseDir to DirInfo
DirectoryInfo dInfo = new DirectoryInfo(resUri.LocalPath);
// clear childs
dir.ClearChilds();
// get all childs
foreach (FileSystemInfo fInfo in dInfo.GetFileSystemInfos())
{
BaseFileEntry f = CreateEntryByFileSystemInfo(fInfo, session, dir);
dir.AddChild(f);
}
}
public override ICloudFileSystemEntry RequestResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
if (GoogleDocsResourceHelper.IsNoolOrRoot(parent) && GoogleDocsResourceHelper.IsRootName(Name))
{
var root = new BaseDirectoryEntry("/", 0, DateTime.Now, session.Service, session) {Id = GoogleDocsConstants.RootFolderId};
root.SetPropertyValue(GoogleDocsConstants.ResCreateMediaProperty, GoogleDocsConstants.RootResCreateMediaUrl);
RefreshDirectoryContent(session, root);
return root;
}
if (Name.Equals("/"))
{
RefreshDirectoryContent(session, parent as BaseDirectoryEntry);
}
if (GoogleDocsResourceHelper.IsResorceId(Name))
{
var url = String.Format(GoogleDocsConstants.GoogleDocsResourceUrlFormat, Name.ReplaceFirst("_", "%3a"));
var request = CreateWebRequest(session, url, "GET", null);
try
{
var response = (HttpWebResponse) request.GetResponse();
var rs = response.GetResponseStream();
var xml = new StreamReader(rs).ReadToEnd();
var entry = GoogleDocsXmlParser.ParseEntriesXml(session, xml).FirstOrDefault();
if(entry == null)
throw new SharpBoxException(SharpBoxErrorCodes.ErrorFileNotFound);
if (parent != null)
(parent as BaseDirectoryEntry).AddChild(entry);
var dirEntry = entry as BaseDirectoryEntry;
if (dirEntry == null)
return entry;
RefreshDirectoryContent(session, dirEntry);
return dirEntry;
}
catch (WebException)
{
throw new SharpBoxException(SharpBoxErrorCodes.ErrorFileNotFound);
}
}
throw new SharpBoxException(SharpBoxErrorCodes.ErrorInvalidFileOrDirectoryName);
}
