/// <summary>
/// Files Comparison of Comparator
/// </summary>
/// <param name="result">SyncResult Object to catch Exception Thrown</param>
/// <param name="resultAlbum">Result Album to Store Result</param>
/// <param name="sourceAlbum">Source Album being Compared</param>
/// <param name="targetAlbum">Target Album being Compared</param>
private void compareFiles(SyncResult result, Album[] resultAlbum, Album sourceAlbum, Album targetAlbum)
{
try
{
/* Get the necessary Metadatas and Files (in string) */
List<Files> sourceMetadata = sourceAlbum.getMetadata(); // S'
List<Files> targetMetadata = targetAlbum.getMetadata(); // T'
List<string> sourceFiles = getFilesFromPath(sourceAlbum.getPath()); // S
List<string> targetFiles = getFilesFromPath(targetAlbum.getPath()); // T
/* Merge the Lists into a single List containing all filename (in string) */
List<string> listUnion = mergeLists(sourceAlbum.getPath(), targetAlbum.getPath(),
sourceFiles, targetFiles, sourceMetadata, targetMetadata);
/* Boolean values for Comparison Logic: */
bool sOne; // File exist in S
bool tOne; // File exist in T
bool sTwo; // File exist in S'
bool tTwo; // File exist in T'
bool sS; // S.File == S'.File
bool tT; // T.File == T'.File
bool ST; // S.File == T.File
/* Comparison Logic: */
foreach (string filenames in listUnion)
{
String filename = filenames;
//Console.WriteLine("file: " + filename);
if (filename.Contains(PATH_DELIMITER))
{
filename = filename.Replace(PATH_DELIMITER, "");
}
/* Get the boolean values for the first 4 variables: */
sOne = isFileExist(Album.combinePath(sourceAlbum.getPath(), filename), sourceFiles); // Source FileSystem (S) Exist
tOne = isFileExist(Album.combinePath(targetAlbum.getPath(), filename), targetFiles); // Target FileSystem (T) Exist
sTwo = isFileExist(Album.combinePath(sourceAlbum.getPath(), filename), sourceMetadata); // Source Metadata (S') Exist
tTwo = isFileExist(Album.combinePath(targetAlbum.getPath(), filename), targetMetadata); // Target Metadata (T') Exist
/* Envelope Check: */
// To Check: Use Binary of the form sOne sTwo tOne tTwo
// e.g.: if true true false true -> 1101 = 13
if (sOne && sTwo && tOne && tTwo) // 1111 = 15
{
/* Get boolean for sS tT ST */
Files sourceMTDT = getPhotoFromFilename(sourceMetadata, filename);
Files targetMTDT = getPhotoFromFilename(targetMetadata, filename);
// Use Factory Method Pattern
Files sourceFile = Files.getFilesObject(Album.combinePath(sourceAlbum.getPath(), filename));
Files targetFile = Files.getFilesObject(Album.combinePath(targetAlbum.getPath(), filename));
// Check Files Read and Write Access
if (sourceFile == null || targetFile == null)
continue;
sS = sourceFile.equals(sourceMTDT);
tT = targetFile.equals(targetMTDT);
ST = sourceFile.equals(targetFile);
/* Inner Check: */
if (sS && tT && ST) // 111 = 7
{
// EQUAL: Ignore
continue;
}
else if (sS && tT && !ST) // 110 = 6
{
/* Check for Modification Date and File Size */
checkModificationDate(resultAlbum, sourceFile, targetFile);
continue;
}
else if (sS && !tT && ST) // 101 = 5
{
// UPDATE T'
targetMTDT.update(targetFile);
continue;
}
else if (sS && !tT && !ST) // 100 = 4
{
// TARGET IS NEWER: Add target file to resultAlbum[TARGET_LATEST]
resultAlbum[TARGET_LATEST].add(targetFile);
continue;
}
else if (!sS && tT && ST) // 011 = 3
{
// UPDATE S'
sourceMTDT.update(sourceFile);
continue;
}
else if (!sS && tT && !ST) // 010 = 2
{
// SOURCE IS NEWER: Add source file to resultAlbum[SOURCE_LATEST]
resultAlbum[SOURCE_LATEST].add(sourceFile);
continue;
}
else if (!sS && !tT && ST) // 001 = 1
{
// UPDATE S' & UPDATE T'
sourceMTDT.update(sourceFile);
targetMTDT.update(targetFile);
continue;
}
else // 000 = 0
{
// CONFLICT FILE: Add source file to resultAlbum[SOURCE_CONFLICT]
// Add target file to resultAlbum[TARGET_CONFLICT]
resultAlbum[SOURCE_CONFLICT].add(sourceFile);
resultAlbum[TARGET_CONFLICT].add(targetFile);
continue;
}
}
else if (sOne && sTwo && !tOne && tTwo) // 1101 = 13
{
/* Get boolean for sS tT ST */
Files sourceMTDT = getPhotoFromFilename(sourceMetadata, filename);
// Use Factory Method Pattern
//Files sourceFile = new Photo(Album.combinePath(sourceAlbum.getPath(), filename));
Files sourceFile = Files.getFilesObject(Album.combinePath(sourceAlbum.getPath(), filename));
// Check Files Read and Write Access
if (sourceFile == null)
continue;
sS = sourceFile.equals(sourceMTDT);
if (sS)
{
// TARGET IS DELETED: Add source file to resultAlbum[SOURCE_DELETE]
targetAlbum.trim(Album.combinePath(targetAlbum.getPath(), filename), Album.TRIM_METADATA);
resultAlbum[SOURCE_DELETE].add(sourceFile);
continue;
}
else
{
// SOURCE IS CHANGED: Takes precedence over deletion
// Add source to resultAlbum[SOURCE_LATEST];
resultAlbum[SOURCE_LATEST].add(sourceFile);
continue;
}
}
else if (sOne && !sTwo && tOne && !tTwo) // 1010 = 10
{
/* Get boolean for ST */
// Use Factory Method Pattern
//Files sourceFile = new Photo(Album.combinePath(sourceAlbum.getPath(), filename));
//Files targetFile = new Photo(Album.combinePath(targetAlbum.getPath(), filename));
Files sourceFile = Files.getFilesObject(Album.combinePath(sourceAlbum.getPath(), filename));
Files targetFile = Files.getFilesObject(Album.combinePath(targetAlbum.getPath(), filename));
// Check Files Read and Write Access
if (sourceFile == null || targetFile == null)
continue;
ST = sourceFile.equals(targetFile);
/* Inner Check: */
if (!ST) // 0
{
/* Check for Modification Date and File Size: */
checkModificationDate(resultAlbum, sourceFile, targetFile);
}
/* CREATE S' & CREATE T' */
sourceAlbum.add(sourceFile);
targetAlbum.add(targetFile);
continue;
}
else if (sOne && !sTwo && !tOne && !tTwo) // 1000 = 08
{
// SOURCE IS NEWER: Add source file to resultAlbum[SOURCE_LATEST]
// Use Factory Method Pattern
Files sourceFile = Files.getFilesObject(Album.combinePath(sourceAlbum.getPath(), filename));
Files targetFile = Files.getFilesObject(Album.combinePath(sourceAlbum.getPath(), filename));
// Check Files Read and Write Access
if (sourceFile == null || targetFile == null)
continue;
targetFile.setFullpath(Album.combinePath(targetAlbum.getPath(), filename));
resultAlbum[SOURCE_LATEST].add(sourceFile);
/* CREATE S' & CREATE T' */
sourceAlbum.add(sourceFile);
targetAlbum.add(targetFile);
continue;
}
else if (!sOne && sTwo && tOne && tTwo) // 0111 = 07
{
/* Get boolean for sS tT ST */
Files targetMTDT = getPhotoFromFilename(targetMetadata, filename);
// Use Factory Method Pattern
Files targetFile = Files.getFilesObject(Album.combinePath(targetAlbum.getPath(), filename));
// Check Files Read and Write Access
if (targetFile == null)
continue;
tT = targetFile.equals(targetMTDT);
if (tT)
{
// SOURCE IS DELETED: Add target file to resultAlbum[TARGET_DELETE]
sourceAlbum.trim(Album.combinePath(sourceAlbum.getPath(), filename), Album.TRIM_METADATA);
resultAlbum[TARGET_DELETE].add(targetFile);
continue;
}
else
{
// TARGET IS CHANGED: Takes precedence over deletion
// Add to resultAlbum[TARGET_LATEST]
resultAlbum[TARGET_LATEST].add(targetFile);
continue;
}
}
else if (!sOne && sTwo && !tOne && tTwo) // 0101 = 05
{
Files sourceMTDT = getPhotoFromFilename(sourceMetadata, filename);
Files targetMTDT = getPhotoFromFilename(targetMetadata, filename);
// REMOVE S' REMOVE T'
sourceAlbum.trim(Album.combinePath(sourceAlbum.getPath(), filename), Album.TRIM_METADATA);
targetAlbum.trim(Album.combinePath(targetAlbum.getPath(), filename), Album.TRIM_METADATA);
continue;
}
else if (!sOne && !sTwo && tOne && !tTwo) // 0010 = 02
{
// TARGET IS NEWER: Add target file to resultAlbum[TARGET_LATEST]
// Use Factory Method Pattern
Files targetFile = Files.getFilesObject(Album.combinePath(targetAlbum.getPath(), filename));
Files sourceFile = Files.getFilesObject(Album.combinePath(targetAlbum.getPath(), filename));
// Check Files Read and Write Access
if (targetFile == null || sourceFile == null)
continue;
sourceFile.setFullpath(Album.combinePath(sourceAlbum.getPath(), filename));
resultAlbum[TARGET_LATEST].add(targetFile);
/* CREATE S' & CREATE T' */
sourceAlbum.add(sourceFile);
targetAlbum.add(targetFile);
continue;
}
else // 1110 = 14 ; 1101 = 12 ; 1011 = 11
// 1001 = 09 ; 0110 = 06 ; 0100 = 04
// 0011 = 03 ; 0001 = 01 ; 0000 = 00
{
throw new Exception(INVALID_FILES);
}
}
}
catch (Exception e)
{
result.uaeThrown();
}
}
/// <summary>
/// Runs the backup job.
/// </summary>
/// <param name="source">Album retreived from backup()</param>
public void backupMove(Album source)
{
string srcPath, trgPath;
#region Backing up from Source to Target
// Back up folders.
foreach (Album temp in source.getSubAlbum())
{
srcPath = temp.getPath();
trgPath = srcPath.Replace(job.getSource().getPath(), job.getTarget().getPath());
mover.move(srcPath, trgPath, Mover.MOVE_BACK_UP);
}
// Back up files.
foreach (Files temp in source.getMetadata())
{
srcPath = temp.getFullpath();
trgPath = srcPath.Replace(job.getSource().getPath(), job.getTarget().getPath());
mover.move(srcPath, trgPath, Mover.MOVE_BACK_UP);
}
#endregion
if (mover.getMoverError())
MessageBox.Show("Some file are unable to move. Check the log file for details.", "Error on Moving");
// Resets the mover and logs the completion.
mover.resetMover();
mover.getLogger().logJobEnded(job.getJobName());
// Saves the meta data and job name list
saveJobList();
saveJobNameList();
}
private Album append(Album original, Album appendix)
{
Album appended = new Album(DIFF_ALBUM_NAME, "");
/* Get Files: */
foreach (Files metadata in original.getMetadata())
{
appended.add(metadata);
}
foreach (Files metadata in appendix.getMetadata())
{
appended.add(metadata);
}
/* Get Sub Folders: */
foreach (Album subAlbum in original.getSubAlbum())
{
appended.add(subAlbum);
}
foreach (Album subAlbum in appendix.getSubAlbum())
{
appended.add(subAlbum);
}
return appended;
}