/*Update consistency is going to look through current version of its subdirectory
* then compares the names of every file on the local machines's directory with what it has
* saved at the location given by currentPath, If there is something new not added, it will add it,
* if thing has been removed it will remove it*/
private void updateConsistency(FolderObj workingDir, string currentPath)
{
List<FileObj> fileData = new List<FileObj>();
FileInfo currFile;
DirectoryInfo currDir;
foreach (string folders in Directory.GetDirectories(currentPath))
{
currDir = new DirectoryInfo(folders);
fileData.Add(new FolderObj(" ", "", "", 0, currDir.CreationTime.ToString(), currDir.Name, currentPath + currDir.Name + "/", null));
}
foreach (string files in Directory.GetFiles(currentPath))
{
currFile = new FileInfo(files);
fileData.Add(new FileObj(currFile.IsReadOnly.ToString(), "", "", (UInt64)currFile.Length, currFile.CreationTime.ToString(), currFile.Name, currentPath));
}
//If the directory we are going to is empty, we don't need to do anything, except clear.
if (fileData == null)
{
workingDir.subdirectory.Clear();
return;
}
if (fileData.Count == 0)
{
workingDir.subdirectory.Clear();
return;
}
//Sort the two list before performing the algorithm
fileData.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
int i = 0; //marker for currConsistency
int j = 0; //marker for workingDir
//The idea with this algorithm is to traverse both list simultaneously and
//find any disparities
while (i < fileData.Count && j < workingDir.subdirectory.Count)
{
if (string.Compare(fileData[i].fileinfo.name, workingDir.subdirectory[j].fileinfo.name) == 0)
{
//Item exist in both list, so skip it
i++;
j++;
}
else if (string.Compare(fileData[i].fileinfo.name, workingDir.subdirectory[j].fileinfo.name) > 0)
{
//remove working directory's jth entry
workingDir.subdirectory.RemoveAt(j);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
j++;
i++;
}
else if (string.Compare(fileData[i].fileinfo.name, workingDir.subdirectory[j].fileinfo.name) < 0)
{
//Add to working directory
workingDir.AddToSubDirectory(fileData[i].fileinfo);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
j++;
i++;
}
}
while (j < workingDir.subdirectory.Count)
{
//remove remaining items
//remove working directory's jth entry
workingDir.subdirectory.RemoveAt(j);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
j++;
i++;
}
while (i < fileData.Count)
{
//Add to working directory
workingDir.AddToSubDirectory(fileData[i].fileinfo);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
i++;
}
}
/*Update consistency is going to look through current version of its subdirectory
* then compares the names of every file on the server's directory with what it has
* passed in as a currPath, If there is something new not added, it will add it, if thing
* has been removed it will remove it*/
public void updateConsistency(Client client, FolderObj workingDir, string currPath)
{
string tempPath = client.currDirectory;
client.currDirectory = currPath;
List<string> currConsistency = client.getCurrDetailedDirectory();
//If the directory we are going to is empty, we don't need to do anything, except clear.
if (currConsistency == null)
{
workingDir.subdirectory.Clear();
return;
}
if (currConsistency.Count == 0)
{
workingDir.subdirectory.Clear();
return;
}
List<FileObj.FileInfo> fileData = FileObj.parseFileInfo(currConsistency, client.currDirectory);
//Sort the two list before performing the algorithm
fileData.Sort((x, y) => x.name.CompareTo(y.name));
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
int i = 0; //marker for currConsistency
int j = 0; //marker for workingDir
//The idea with this algorithm is to traverse both list simultaneously and
//find any disparities
while (i < currConsistency.Count && j < workingDir.subdirectory.Count)
{
if (string.Compare(fileData[i].name, workingDir.subdirectory[j].fileinfo.name) == 0)
{
//Item exist in both list, so skip it
i++;
j++;
}
else if (string.Compare(fileData[i].name, workingDir.subdirectory[j].fileinfo.name) > 0)
{
//remove working directory's jth entry
workingDir.subdirectory.RemoveAt(j);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
j++;
i++;
}
else if (string.Compare(fileData[i].name, workingDir.subdirectory[j].fileinfo.name) < 0)
{
//Add to working directory
workingDir.AddToSubDirectory(fileData[i]);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
j++;
i++;
}
}
while (j < workingDir.subdirectory.Count)
{
//remove remaining items
//remove working directory's jth entry
workingDir.subdirectory.RemoveAt(j);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
j++;
}
while (i < fileData.Count)
{
//Add to working directory
workingDir.AddToSubDirectory(fileData[i]);
workingDir.subdirectory.Sort((x, y) => x.fileinfo.name.CompareTo(y.fileinfo.name));
i++;
}
client.currDirectory = tempPath;
}
