/// <summary>
/// reads all the User accounts from the accounts XML file, including their comic libraries
/// </summary>
/// <returns>
/// array of User objects
/// </returns>
public new User[] ReadAllUserAccounts()
{
if (PathIsValid())
{
XDocument xDocument = XDocument.Load(filePath);
userList = new User[UserCount];
int index = 0;
foreach (XElement account in xDocument.Descendants("Account"))
{
//get required elements
XElement id_element = account.Element("ID");
XElement username_element = account.Element("Username");
XElement password_element = account.Element("Password");
XElement libraryHead_element = account.Element("MyComicLibrary");
//check if id does not have 1000 as its first 4 digits
//the 1000 indicates an admin, any other will be a user
if (id_element.Value.Substring(0, 4) != "1000")
{
userList[index] = new User(Convert.ToInt32(id_element.Value));
{
userList[index].Username = username_element.Value;
userList[index].Password = password_element.Value;
ComicLibrary cbLib = new ComicLibrary();
//check foreach book imported in library
if (libraryHead_element != null &&
libraryHead_element.Descendants("MySavedComicBook") != null)
{
foreach (var savedCb_element in libraryHead_element.Descendants("MySavedComicBook"))
{
//get all required elements for this saved comic book
XElement archivePath_element = savedCb_element.Element("ArchivePath");
XElement bookMark_element = savedCb_element.Element("Bookmark");
XElement lastViewed_element = savedCb_element.Element("Last_Viewed");
XElement rating_element = savedCb_element.Element("MyRating");
//set all required data
//set all required data : use ComicAccess to get ComicBook instance of archivePath
ComicAccess ca = new ComicAccess();
ComicBook public_cb = ca.GetComicBook(archivePath_element.Value);
//obtained ComicBook is common to all, get the ComicBook for this user
UserComicBook private_cb = UserComicBook.MorphToUserComicBook(public_cb);
private_cb.LastViewed = DateTime.Parse(lastViewed_element.Value);
private_cb.RateComicBook(float.Parse(rating_element.Value));
//get all required elements : get bookmark for this saved comic book
XElement bookMark_maxPages_element = bookMark_element.Element("MaxPages");
XElement bookmark_pageNum_element = bookMark_element.Element("PageNum");
Bookmark bm = new Bookmark(int.Parse(bookMark_maxPages_element.Value));
//check if there are any bookmarked pages
if (bookmark_pageNum_element.Value != "")
{
foreach (var pageNum in bookmark_pageNum_element.Value.Split(','))
{
bm.AddPageNum(int.Parse(pageNum));
}
}
//set bookmark to user's saved comic book
private_cb.BookMark = bm;
//add user's saved comic book to user's comic library
cbLib.AddComicBook(private_cb);
}
userList[index].MyComicLibrary = cbLib;
}
index++;
}
}
}
return(userList);
}
else
{
Trace.WriteLine("Set Path = " + "<" + filePath + ">" + " is invalid, cannot proceed with account access.");
FileNotFoundException exc = new FileNotFoundException
(
"Set Path = " + "<" + filePath + ">" + " is invalid, cannot proceed with account access."
);
throw exc;
}
}
/// <summary>
/// Open the comic based on archivePath, this closes the current one
/// </summary>
public void OpenComicBook(string archivePath)
{
//get the comic book from the archivePath using ComicAccess
ComicAccess comAcc = new ComicAccess();
comicBook = comAcc.GetComicBook(archivePath);
//set extract folder in temporary folder pertaining to comic, and make it the new tempPath
//this will be the cache for the comic book
tempPath = Path.Combine(tempPath,
Path.GetFileNameWithoutExtension(archivePath));
//check if comic book has already been cached to temp folder
if (Directory.Exists(tempPath) && Directory.GetFiles(tempPath).Length != 0)
{
//don't extract anymore, load the comic book from cache
comicBook.SetComicPath(tempPath);
//set current page as cover page(first page)
currentPage = 1;
//nothing to report
ReportProgress?.Invoke(this, new ProgressArgs
{
TotalProcessed = 100,
TotalRecords = 100,
Description = "Done!",
IsDoneProcessing = true
});
}
//comic book has not been cached yet, perform archive extraction
else
{
//create extract folder in temporary folder pertaining to comic
Directory.CreateDirectory(tempPath);
//direct the program to the dependency: 7z.dll (7z64.dll for 64-bit)
SevenZipBase.SetLibraryPath(Path.Combine(Environment.CurrentDirectory, "7z.dll"));
//extract archive to temporary folder
using (var extractor = new SevenZipExtractor(archivePath))
{
//extract all images in temporary folder
for (var i = 0; i < extractor.ArchiveFileData.Count; i++)
{
//check if file to be extracted is an image
string fileToBeExtractedExtension = Path.GetExtension(extractor.ArchiveFileData[i].FileName);
if (ImageChecker.IsImageExtension(fileToBeExtractedExtension))
{
//extract the file
extractor.ExtractFiles(tempPath, extractor.ArchiveFileData[i].Index);
}
//report progress that a file has been processed
ReportProgress?.Invoke(this, new ProgressArgs
{
TotalProcessed = i + 1,
TotalRecords = extractor.ArchiveFileData.Count,
Description = "Extracting comic book to cache.",
IsDoneProcessing = false
});
}
}
//move images outside the directories, if there are any
string[] comicDirs = Directory.GetDirectories(tempPath);
if (comicDirs.Length != 0)
{
string[] fileList;
foreach (var dir in comicDirs)
{
//get files in directory
fileList = Directory.GetFiles(dir);
//start a new report
//report progress that a file has been processed
ReportProgress?.Invoke(this, new ProgressArgs
{
TotalProcessed = 0,
TotalRecords = fileList.Length,
Description = "Rearranging comic book.",
IsDoneProcessing = false
});
int filesProcessed = 0;
//bring them to tempPath
foreach (var file in fileList)
{
string newFilePath = Path.Combine(tempPath, Path.GetFileName(file));
File.Move(file, newFilePath);
ReportProgress?.Invoke(this, new ProgressArgs
{
TotalProcessed = filesProcessed,
TotalRecords = fileList.Length,
Description = "Rearranging comic book.",
IsDoneProcessing = false
});
filesProcessed++;
}
//delete the directory
Directory.Delete(dir);
}
}
//set the comic book path
comicBook.SetComicPath(tempPath);
//set current page as cover page(first page)
currentPage = 1;
//end reporting
ReportProgress?.Invoke(this, new ProgressArgs
{
TotalProcessed = 100,
TotalRecords = 100,
Description = "Done!",
IsDoneProcessing = true
});
//go back to temp directory
tempPath = Path.Combine(tempPath, @"..\");
}
}
