/// <summary>
/// Undo the operation executed by a dirMv() method.
/// </summary>
/// <param name="usedSource"></param>
/// <param name="usedDestination"></param>
/// <param name="showUi"></param>
public static bool undoMv(string usedSource,
string usedDestination,
bool showUi,
out string errSrc,
out string errDst,
out string errMsg,
out bool opWasCancelled)
{
// move src dst : move "TestDir\\t2" "TestDir\\t1"
// before "TestDir\\t2" "TestDir\\t1" => after: "TestDir\\t1" "TestDir\\t1\\t2"
// undomove: move source "TestDir\\t1\\t2" ; move destination "TestDir\\"
// new source
char[] charSeparators = new char[] { '\\' };
string[] dirsSrc = usedSource.Split(charSeparators, StringSplitOptions.RemoveEmptyEntries);
string lastElementSrc = dirsSrc[dirsSrc.Length - 1];
string newSource = usedDestination + "\\" + lastElementSrc;
// new dst
string[] dirsDst = usedSource.Split(charSeparators, StringSplitOptions.RemoveEmptyEntries);
string newDst = "";
for (int i = 0; i < dirsDst.Length - 1; i++)
{
if (i == 0)
{
newDst = dirsDst[0];
}
else
{
newDst += "\\" + dirsDst[i];
}
}
newDst += "\\";
try
{
CSharp.dirMv(newSource, newDst, showUi);
}
catch (OperationCanceledException oce)
{
errSrc = newSource;
errDst = newDst;
errMsg = oce.Message;
opWasCancelled = true;
return(false);
}
catch (Exception ex)
{
errSrc = newSource;
errDst = newDst;
errMsg = ex.Message;
opWasCancelled = false;
return(false);
}
errSrc = "";
errDst = "";
errMsg = "";
opWasCancelled = false;
return(true);
}
/// <summary>
/// Execute a sequence of dirMv operations. if any fail, it will undo all operations executed.
/// This command will fail on the follow situations:
/// (1) If the lenght of the source or destination array do not match
/// (2) If any of the sources are repeated
/// (3) If any of the sources matches with any of the destinations
///
/// </summary>
/// <param name="sources"></param>
/// <param name="destinations"></param>
/// <param name="showUi"></param>
/// <param name="errMsg"></param>
/// <returns></returns>
public static bool stackMv(string[] sources, string[] destinations, bool showUi,
LogMethod logMethod, out string errMsg, out string errSrcDir,
out string errDstDir, out bool opWasCancelled)
{
bool opWasCancelledTemp = false;
bool exceptionError = false;
bool retVal = true;
opWasCancelled = false;
CSharp.stlogMethod = logMethod;
if (sources == null || destinations == null)
{
errMsg = "NULL VECTOR ERROR";
errSrcDir = "";
errDstDir = "";
return(false);
}
if (sources.Length != destinations.Length)
{
errMsg = "SOURCE and DESTINATION stack sizes do not match! src:" + sources.Length +
", dst:" + destinations.Length;
errSrcDir = "";
errDstDir = "";
return(false);
}
// before moving, check if the src and dst exist and dont match
for (int i = 0; i < sources.Length; i++)
{
string currentItem = sources[i];
//-- check if there is any repeated element on the src list of elements
for (int j = 0; j < sources.Length; j++)
{
if (i == j)
{
continue;
}
else
{
// if two elements are equal
if ((currentItem.Trim() == sources[j].Trim()))
{
errMsg = "Error: item[" + i + "] == item[" + j + "] " +
currentItem + "::" + sources[j];
errDstDir = "";
errSrcDir = currentItem;
log.Warn(errMsg);
return(false);
}
}
}
//-- check if there is any element on the sources list exit on the destination list
for (int j = 0; j < destinations.Length; j++)
{
if (currentItem.Trim() == destinations[j].Trim())
{
errMsg = "Error: item[" + i + "] == item[" + j + "] " +
currentItem + "::" + sources[j];
errDstDir = "";
errSrcDir = currentItem;
log.Warn(errMsg);
return(false);
}
}
}
//-- check if all src and dst dirs do exit
foreach (var item in sources)
{
if (!Directory.Exists(item))
{
errMsg = "Source directory does not exit {" +
item + "}";
errDstDir = "";
errSrcDir = item;
log.Warn("ERROR: " + errMsg);
return(false);
}
}
foreach (var item in destinations)
{
if (!Directory.Exists(item))
{
errMsg = "Destination directory does not exit {" +
item + "}";
errDstDir = item;
errSrcDir = "";
log.Warn("ERROR: " + errMsg);
return(false);
}
}
// Move the directories
Stack <string> dirStackSrc = new Stack <string>();
Stack <string> dirStackDst = new Stack <string>();
errMsg = "";
for (int i = 0; i < sources.Length; i++)
{
try
{
if (!sources[i].Trim().Equals("") && !destinations[i].Trim().Equals(""))
{
CSharp.dirMv(sources[i], destinations[i], showUi);
dirStackSrc.Push(sources[i]);
dirStackDst.Push(destinations[i]);
}
}
catch (OperationCanceledException oce)
{
//retVal = true;
errMsg = oce.Message;
opWasCancelled = true;
exceptionError = true;
}
catch (Exception ex)
{
retVal = false;
errMsg = ex.Message;
opWasCancelled = false;
exceptionError = true;
}
if (exceptionError)
{
while (dirStackSrc.Count > 0)
{
bool retUndo = undoMv(dirStackSrc.Pop(),
dirStackDst.Pop(),
showUi,
out errSrcDir,
out errDstDir,
out errMsg,
out opWasCancelledTemp);
}
errSrcDir = sources[i];
errDstDir = destinations[i];
// if OperationCanceledException or sucess return true
// other exception return false
return(false);
}
}
errSrcDir = "";
errDstDir = "";
errMsg = "SUCCESS!";
return(true);
}
