static bool Auth(DBUsers users, out User user)
{
Console.WriteLine("Do you want to log in?");
Console.WriteLine("1. Yes 2.No");
string answer = Console.ReadLine();
if (answer != "1")
{
user = new User("Unregistered", "12345");
return(false);
}
else
{
string userName, password;
while (true)
{
Console.Clear();
Console.WriteLine("Authorization");
Console.WriteLine("Enter your login:"******"Enter your password:"******"Wrong data");
}
PressEnter();
}
Console.Clear();
Console.WriteLine("Hello, " + userName);
user = users.FindUser(userName, password);
return(true);
}
}
static void Main(string[] args)
{
XmlSerializer formatter = new XmlSerializer(typeof(List <Book>));
XmlSerializer userFormatter = new XmlSerializer(typeof(List <User>));
XmlTextReader reader = new XmlTextReader(@"books.xml");
reader.WhitespaceHandling = WhitespaceHandling.None;
XDocument doc = XDocument.Load("books.xml");
User user;
DBUsers users = new DBUsers();
MyLibrary homeLibrary = new MyLibrary();
string startPath = Environment.CurrentDirectory;
string zipPath = @"c:\SaveFolder";
string endPath = @"c:\New_Folder\MyLibrary";
bool writed = false;
using (FileStream fs = new FileStream("books.xml", FileMode.OpenOrCreate, FileAccess.Read))
{
homeLibrary.books = (List <Book>)formatter.Deserialize(fs);
}
using (FileStream fs = new FileStream("users.xml", FileMode.OpenOrCreate, FileAccess.Read))
{
users.userList = (List <User>)userFormatter.Deserialize(fs);
}
bool isAuth = Auth(users, out user);
string userFile = user.UserName + ".xml";
using (FileStream fs = new FileStream(userFile, FileMode.OpenOrCreate, FileAccess.Read))
{
try
{
user.UserBooks = (List <Book>)formatter.Deserialize(fs);
}
catch (Exception ex)
{
}
}
string userAnswer = "";
do
{
Menu(isAuth);
userAnswer = Console.ReadLine();
#region LibraryInfo (1)
if (userAnswer == "1")
{
Console.Clear();
Console.WriteLine(homeLibrary.Info());
PressEnter();
}
#endregion
#region Find book (2)
else if (userAnswer == "2")
{
Console.Clear();
Console.WriteLine("1. Find by title\n" +
"2. Find by author\n" +
"3. Find by author and title");
string result = Console.ReadLine();
string author, title;
switch (result)
{
case "1":
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByTitle(title));
break;
case "2":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthor(author));
break;
case "3":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthorAndTitle(author, title));
break;
default:
Console.WriteLine("Wrong number!");
break;
}
PressEnter();
}
#endregion
#region Most popular book by genre (3)
else if (userAnswer == "3")
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.ShowAllGenres());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && homeLibrary.GetGenresList().Count > returnResult - 1)
{
var genre = homeLibrary.MostPopularBook(homeLibrary.GetGenresList()[returnResult - 1]);
Console.WriteLine(genre);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region TakeBook(4)
else if (userAnswer == "4" && isAuth)
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.AllTitles());
int result;
int.TryParse(Console.ReadLine(), out result);
if (result != 0 && homeLibrary.BookList().Count > result - 1)
{
var book = homeLibrary.BookList()[result - 1];
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
foreach (var b in homeLibrary.books.Where(b => b.BookTitle == book.BookTitle))
{
b.Popularity++;
}
user.TakeBook(book);
homeLibrary.Remove(book);
}
}
else
{
Console.WriteLine("Wrong number!");
}
}
PressEnter();
}
#endregion
#region ReturnTheBook (5)
else if (userAnswer == "5" && isAuth)
{
Console.Clear();
if (user.BookList().Count == 0)
{
Console.WriteLine("You haven't any book");
}
else
{
Console.WriteLine(user.ShowTakenBooks());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && user.BookList().Count > returnResult - 1)
{
var book = user.BookList()[returnResult - 1];
homeLibrary.Add(book, 1);
user.ReturnTheBook(book);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region Add a book (6)
else if (userAnswer == "6" && isAuth)
{
Console.Clear();
string title, author, genre;
int year, pages;
#region Enter the details of a book
while (true)
{
Console.WriteLine("Еnter the details of a book");
Console.Write("Title: ");
title = Console.ReadLine();
Console.Write("Author: ");
author = Console.ReadLine();
Console.Write("Genre: ");
genre = Console.ReadLine();
Console.Write("Year: ");
int.TryParse(Console.ReadLine(), out year);
Console.Write("Pages: ");
int.TryParse(Console.ReadLine(), out pages);
Book book = new Book(title, author, genre, year, pages, 0);
#region CheckAttributes
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
user.AddBookToLibrary(book, homeLibrary);
break;
}
#endregion
PressEnter();
}
#endregion
}
#endregion
#region Find last owner (7)
else if (userAnswer == "7" && isAuth)
{
Console.Clear();
Console.WriteLine(homeLibrary.GetLastOwners());
Console.ReadLine();
}
#endregion
#region XML_Find (9)
else if (userAnswer == "9" && isAuth)
{
Console.WriteLine("Enter book title:");
Console.ForegroundColor = ConsoleColor.DarkMagenta;
string result = Console.ReadLine();
Console.ResetColor();
while (reader.Read())
{
if (reader.Name == "Book")
{
reader.Read();
string BookTitle = reader.ReadElementContentAsString();
string Author = reader.ReadElementContentAsString();
string Genre = reader.ReadElementContentAsString();
int Year, Pages, Popularity;
Int32.TryParse(reader.ReadElementContentAsString(), out Year);
Int32.TryParse(reader.ReadElementContentAsString(), out Pages);
Int32.TryParse(reader.ReadElementContentAsString(), out Popularity);
if (BookTitle.Contains(result))
{
Console.WriteLine(new Book(BookTitle, Author, Genre, Year, Pages, Popularity).BookInfo());
Console.WriteLine();
}
}
}
reader.Close();
PressEnter();
}
#endregion
#region Select (10)
else if (userAnswer == "10" && isAuth)
{
Console.WriteLine("Authors: Shen and Vern");
var b1 = doc.Descendants("Book").
Where(b => b.Elements("Author").Any(f => (string)f == "А.Шень"));
var b2 = doc.Descendants("Book").
Where(b => b.Elements("Author").Any(f => (string)f == "Верн Жуль"));
var books = b1.Concat(b2);
foreach (var q in books)
{
Console.WriteLine(q);
}
PressEnter();
}
#endregion
#region XML_Insert (11)
else if (userAnswer == "11" && isAuth)
{
XElement elem = new XElement("Book",
new XElement("BookTitle", "XML_Added_Title"),
new XElement("Author", "XML_Added_Author"),
new XElement("Genre", "XML_Added_Genre"),
new XElement("Year", 2016),
new XElement("Pages", 999),
new XElement("Popularity", 6));
doc.Root.FirstNode.AddAfterSelf(elem);
doc.Save("books.xml");
using (FileStream fs = new FileStream("books.xml", FileMode.OpenOrCreate, FileAccess.Read))
{
homeLibrary.books = (List <Book>)formatter.Deserialize(fs);
}
Console.WriteLine("Added to XML file");
PressEnter();
}
#endregion
else if (userAnswer == "12" && isAuth)
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load("books.xml");
XmlElement xRoot = xmlDoc.DocumentElement;
Book book = new Book();
XmlNode xmlElement = xRoot.FirstChild;
foreach (XmlNode v in xmlElement)
{
if (v.Name == "BookTitle")
{
book.BookTitle = v.InnerText;
}
else if (v.Name == "Author")
{
book.Author = v.InnerText;
}
else if (v.Name == "Genre")
{
book.Genre = v.InnerText;
}
else if (v.Name == "Year")
{
book.Year = Convert.ToInt32(v.InnerText);
}
else if (v.Name == "Pages")
{
book.Pages = Convert.ToInt32(v.InnerText);
}
else if (v.Name == "Popularity")
{
book.Popularity = Convert.ToInt32(v.InnerText);
}
}
Console.WriteLine(book.BookInfo());
PressEnter();
}
#region Save (S)
else if (userAnswer == "s" && user.UserName == "admin")
{
if (Directory.Exists(startPath) && Directory.Exists(zipPath))
{
ZipFile.CreateFromDirectory(startPath, zipPath + @"\MyLibrary.zip");
}
else
{
Directory.CreateDirectory(zipPath);
ZipFile.CreateFromDirectory(startPath, zipPath + @"\MyLibrary.zip");
}
Console.WriteLine("Saved");
PressEnter();
}
#endregion
#region Load (L)
else if (userAnswer == "l" && user.UserName == "admin")
{
if (Directory.Exists(endPath))
{
ZipFile.CreateFromDirectory(zipPath + @"\MyLibrary.zip", endPath);
}
else if (!Directory.Exists(zipPath))
{
Console.WriteLine("File didn't save before");
}
else
{
Directory.CreateDirectory(endPath);
ZipFile.ExtractToDirectory(zipPath + @"\MyLibrary.zip", endPath);
Console.WriteLine("Loaded");
}
PressEnter();
}
#endregion
#region Exit (q)
else if (userAnswer == "q")
{
break;
}
#endregion
}while (userAnswer != "exit");
WriteLibraryToXMLDocument(homeLibrary);
using (FileStream fs = new FileStream(userFile, FileMode.Create, FileAccess.Write))
{
XmlSerializer serializer = new XmlSerializer(typeof(List <Book>));
serializer.Serialize(fs, user.BookList());
}
using (FileStream fs = new FileStream("users.xml", FileMode.Create, FileAccess.Write))
{
XmlSerializer serializer = new XmlSerializer(typeof(List <User>));
serializer.Serialize(fs, users.userList);
}
}
static void Main(string[] args)
{
User user;
DBUsers users = new DBUsers();
MyLibrary homeLibrary = new MyLibrary();
bool isAuth = Auth(users, out user);
string userAnswer = "";
do
{
Menu(isAuth);
userAnswer = Console.ReadLine();
#region LibraryInfo (1)
if (userAnswer == "1")
{
Console.Clear();
Console.WriteLine(homeLibrary.Info());
PressEnter();
}
#endregion
#region Find book (2)
else if (userAnswer == "2")
{
Console.Clear();
Console.WriteLine("1. Find by title\n" +
"2. Find by author\n" +
"3. Find by author and title");
string result = Console.ReadLine();
string author, title;
switch (result)
{
case "1":
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByTitle(title));
break;
case "2":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthor(author));
break;
case "3":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthorAndTitle(author, title));
break;
default:
Console.WriteLine("Wrong number!");
break;
}
PressEnter();
}
#endregion
#region Most popular book by genre (3)
else if (userAnswer == "3")
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.ShowAllGenres());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && homeLibrary.GetGenresList().Count > returnResult - 1)
{
var genre = homeLibrary.MostPopularBook(homeLibrary.GetGenresList()[returnResult - 1]);
Console.WriteLine(genre);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region TakeBook(4)
else if (userAnswer == "4" && isAuth)
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.AllTitles());
int result;
int.TryParse(Console.ReadLine(), out result);
if (result != 0 && homeLibrary.BookList().Count > result - 1)
{
var book = homeLibrary.BookList()[result - 1];
book.Popularity++;
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
user.TakeBook(book);
homeLibrary.Remove(book);
}
}
else
{
Console.WriteLine("Wrong number!");
}
}
PressEnter();
}
#endregion
#region ReturnTheBook (5)
else if (userAnswer == "5" && isAuth)
{
Console.Clear();
if (user.BookList().Count == 0)
{
Console.WriteLine("You haven't any book");
}
else
{
Console.WriteLine(user.ShowTakenBooks());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && user.BookList().Count > returnResult - 1)
{
var book = user.BookList()[returnResult - 1];
homeLibrary.Add(book, 1);
user.ReturnTheBook(book);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region Add a book (6)
else if (userAnswer == "6" && isAuth)
{
Console.Clear();
string title, author, genre;
int year, pages;
#region Enter the details of a book
while (true)
{
Console.WriteLine("Еnter the details of a book");
Console.Write("Title: ");
title = Console.ReadLine();
Console.Write("Author: ");
author = Console.ReadLine();
Console.Write("Genre: ");
genre = Console.ReadLine();
Console.Write("Year: ");
int.TryParse(Console.ReadLine(), out year);
Console.Write("Pages: ");
int.TryParse(Console.ReadLine(), out pages);
Book book = new Book(title, author, genre, year, pages, 0);
#region CheckAttributes
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
user.AddBookToLibrary(book, homeLibrary);
break;
}
#endregion
PressEnter();
}
#endregion
}
#endregion
#region Find last owner (7)
else if (userAnswer == "7" && isAuth)
{
Console.Clear();
Console.WriteLine(homeLibrary.GetLastOwners());
Console.ReadLine();
}
#endregion
#region Exit (q)
else if (userAnswer == "q")
{
break;
}
#endregion
}while (userAnswer != "exit");
}
static void Main(string[] args)
{
User user;
DBUsers users = new DBUsers();
MyLibrary homeLibrary = new MyLibrary();
DateTime xmlTimer, xmlTimer2,
binTimer, binTimer2,
jsonTimer, jsonTimer2;
XmlSerializer formatter = new XmlSerializer(typeof(Book));
DataContractJsonSerializer jsonFormatter = new DataContractJsonSerializer(typeof(Book));
BinaryFormatter binaryFormatter = new BinaryFormatter();
using (FileStream fsXml = new FileStream("books.xml", FileMode.OpenOrCreate))
{
xmlTimer = DateTime.Now;
foreach (var b in homeLibrary.BookList())
{
formatter.Serialize(fsXml, b);
}
xmlTimer2 = DateTime.Now;
}
using (FileStream fsJson = new FileStream("book.json", FileMode.OpenOrCreate))
{
jsonTimer = DateTime.Now;
foreach (var b in homeLibrary.BookList())
{
jsonFormatter.WriteObject(fsJson, b);
}
jsonTimer2 = DateTime.Now;
}
using (FileStream fsBin = new FileStream("book.dat", FileMode.OpenOrCreate))
{
binTimer = DateTime.Now;
foreach (var b in homeLibrary.BookList())
{
formatter.Serialize(fsBin, b);
}
binTimer2 = DateTime.Now;
}
bool isAuth = Auth(users, out user);
string userAnswer = "";
do
{
Menu(isAuth);
userAnswer = Console.ReadLine();
#region LibraryInfo (1)
if (userAnswer == "1")
{
Console.Clear();
Console.WriteLine(homeLibrary.Info());
PressEnter();
}
#endregion
#region Find book (2)
else if (userAnswer == "2")
{
Console.Clear();
Console.WriteLine("1. Find by title\n" +
"2. Find by author\n" +
"3. Find by author and title");
string result = Console.ReadLine();
string author, title;
switch (result)
{
case "1":
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByTitle(title));
break;
case "2":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthor(author));
break;
case "3":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthorAndTitle(author, title));
break;
default:
Console.WriteLine("Wrong number!");
break;
}
PressEnter();
}
#endregion
#region Most popular book by genre (3)
else if (userAnswer == "3")
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.ShowAllGenres());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && homeLibrary.GetGenresList().Count > returnResult - 1)
{
var genre = homeLibrary.MostPopularBook(homeLibrary.GetGenresList()[returnResult - 1]);
Console.WriteLine(genre);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region TakeBook(4)
else if (userAnswer == "4" && isAuth)
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.AllTitles());
int result;
int.TryParse(Console.ReadLine(), out result);
if (result != 0 && homeLibrary.BookList().Count > result - 1)
{
var book = homeLibrary.BookList()[result - 1];
book.Popularity++;
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
user.TakeBook(book);
homeLibrary.Remove(book);
}
}
else
{
Console.WriteLine("Wrong number!");
}
}
PressEnter();
}
#endregion
#region ReturnTheBook (5)
else if (userAnswer == "5" && isAuth)
{
Console.Clear();
if (user.BookList().Count == 0)
{
Console.WriteLine("You haven't any book");
}
else
{
Console.WriteLine(user.ShowTakenBooks());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && user.BookList().Count > returnResult - 1)
{
var book = user.BookList()[returnResult - 1];
homeLibrary.Add(book, 1);
user.ReturnTheBook(book);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region Add a book (6)
else if (userAnswer == "6" && isAuth)
{
Console.Clear();
string title, author, genre;
int year, pages;
#region Enter the details of a book
while (true)
{
Console.WriteLine("Еnter the details of a book");
Console.Write("Title: ");
title = Console.ReadLine();
Console.Write("Author: ");
author = Console.ReadLine();
Console.Write("Genre: ");
genre = Console.ReadLine();
Console.Write("Year: ");
int.TryParse(Console.ReadLine(), out year);
Console.Write("Pages: ");
int.TryParse(Console.ReadLine(), out pages);
Book book = new Book(title, author, genre, year, pages, 0);
#region CheckAttributes
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
user.AddBookToLibrary(book, homeLibrary);
break;
}
#endregion
PressEnter();
}
#endregion
}
#endregion
#region Find last owner (7)
else if (userAnswer == "7" && isAuth)
{
Console.Clear();
Console.WriteLine(homeLibrary.GetLastOwners());
Console.ReadLine();
}
#endregion
#region Exit (q)
else if (userAnswer == "q")
{
break;
}
#endregion
}while (userAnswer != "exit");
Console.WriteLine("XML timer: " + (xmlTimer2 - xmlTimer).Ticks +
"\nJSON timer: " + (jsonTimer2 - jsonTimer).Ticks +
"\nBinnary timer: " + (binTimer2 - binTimer).Ticks);
Console.ReadLine();
}
static void Main(string[] args)
{
XmlSerializer formatter = new XmlSerializer(typeof(List <Book>));
XmlSerializer userFormatter = new XmlSerializer(typeof(List <User>));
User user;
DBUsers users = new DBUsers();
MyLibrary homeLibrary = new MyLibrary();
string startPath = Environment.CurrentDirectory;
string zipPath = @"c:\SaveFolder";
string endPath = @"c:\New_Folder\MyLibrary";
using (FileStream fs = new FileStream("books.xml", FileMode.OpenOrCreate, FileAccess.Read))
{
homeLibrary.books = (List <Book>)formatter.Deserialize(fs);
}
using (FileStream fs = new FileStream("users.xml", FileMode.OpenOrCreate, FileAccess.Read))
{
users.userList = (List <User>)userFormatter.Deserialize(fs);
}
bool isAuth = Auth(users, out user);
string userFile = user.UserName + ".xml";
using (FileStream fs = new FileStream(userFile, FileMode.OpenOrCreate, FileAccess.Read))
{
try
{
user.UserBooks = (List <Book>)formatter.Deserialize(fs);
}
catch (Exception ex)
{
}
}
string userAnswer = "";
do
{
Menu(isAuth);
userAnswer = Console.ReadLine();
#region LibraryInfo (1)
if (userAnswer == "1")
{
Console.Clear();
Console.WriteLine(homeLibrary.Info());
PressEnter();
}
#endregion
#region Find book (2)
else if (userAnswer == "2")
{
Console.Clear();
Console.WriteLine("1. Find by title\n" +
"2. Find by author\n" +
"3. Find by author and title");
string result = Console.ReadLine();
string author, title;
switch (result)
{
case "1":
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByTitle(title));
break;
case "2":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthor(author));
break;
case "3":
Console.Write("Enter the author:");
author = Console.ReadLine();
Console.Write("Enter the title: ");
title = Console.ReadLine();
Console.WriteLine("\n" + homeLibrary.FindByAuthorAndTitle(author, title));
break;
default:
Console.WriteLine("Wrong number!");
break;
}
PressEnter();
}
#endregion
#region Most popular book by genre (3)
else if (userAnswer == "3")
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.ShowAllGenres());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && homeLibrary.GetGenresList().Count > returnResult - 1)
{
var genre = homeLibrary.MostPopularBook(homeLibrary.GetGenresList()[returnResult - 1]);
Console.WriteLine(genre);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region TakeBook(4)
else if (userAnswer == "4" && isAuth)
{
Console.Clear();
if (homeLibrary.BookList().Count == 0)
{
Console.WriteLine("We haven't any book");
}
else
{
Console.WriteLine(homeLibrary.AllTitles());
int result;
int.TryParse(Console.ReadLine(), out result);
if (result != 0 && homeLibrary.BookList().Count > result - 1)
{
var book = homeLibrary.BookList()[result - 1];
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
foreach (var b in homeLibrary.books.Where(b => b.BookTitle == book.BookTitle))
{
b.Popularity++;
}
user.TakeBook(book);
homeLibrary.Remove(book);
}
}
else
{
Console.WriteLine("Wrong number!");
}
}
PressEnter();
}
#endregion
#region ReturnTheBook (5)
else if (userAnswer == "5" && isAuth)
{
Console.Clear();
if (user.BookList().Count == 0)
{
Console.WriteLine("You haven't any book");
}
else
{
Console.WriteLine(user.ShowTakenBooks());
int returnResult;
int.TryParse(Console.ReadLine(), out returnResult);
if (returnResult != 0 && user.BookList().Count > returnResult - 1)
{
var book = user.BookList()[returnResult - 1];
homeLibrary.Add(book, 1);
user.ReturnTheBook(book);
}
else
{
Console.WriteLine("Wrong number");
}
}
PressEnter();
}
#endregion
#region Add a book (6)
else if (userAnswer == "6" && isAuth)
{
Console.Clear();
string title, author, genre;
int year, pages;
#region Enter the details of a book
while (true)
{
Console.WriteLine("Еnter the details of a book");
Console.Write("Title: ");
title = Console.ReadLine();
Console.Write("Author: ");
author = Console.ReadLine();
Console.Write("Genre: ");
genre = Console.ReadLine();
Console.Write("Year: ");
int.TryParse(Console.ReadLine(), out year);
Console.Write("Pages: ");
int.TryParse(Console.ReadLine(), out pages);
Book book = new Book(title, author, genre, year, pages, 0);
#region CheckAttributes
var results = new List <ValidationResult>();
var context = new ValidationContext(book);
if (!Validator.TryValidateObject(book, context, results, true))
{
foreach (var error in results)
{
Console.WriteLine(error.ErrorMessage);
}
}
else
{
user.AddBookToLibrary(book, homeLibrary);
break;
}
#endregion
PressEnter();
}
#endregion
}
#endregion
#region Find last owner (7)
else if (userAnswer == "7" && isAuth)
{
Console.Clear();
Console.WriteLine(homeLibrary.GetLastOwners());
Console.ReadLine();
}
#endregion
else if (userAnswer == "s" && user.UserName == "admin")
{
if (Directory.Exists(startPath) && Directory.Exists(zipPath))
{
ZipFile.CreateFromDirectory(startPath, zipPath + @"\MyLibrary.zip");
}
else
{
Directory.CreateDirectory(zipPath);
ZipFile.CreateFromDirectory(startPath, zipPath + @"\MyLibrary.zip");
}
Console.WriteLine("Saved");
PressEnter();
}
else if (userAnswer == "l" && user.UserName == "admin")
{
if (Directory.Exists(endPath))
{
ZipFile.CreateFromDirectory(zipPath + @"\MyLibrary.zip", endPath);
}
else if (!Directory.Exists(zipPath))
{
Console.WriteLine("File didn't save before");
}
else
{
Directory.CreateDirectory(endPath);
ZipFile.ExtractToDirectory(zipPath + @"\MyLibrary.zip", endPath);
Console.WriteLine("Loaded");
}
PressEnter();
}
#region Exit (q)
else if (userAnswer == "q")
{
break;
}
#endregion
}while (userAnswer != "exit");
using (FileStream fs = new FileStream("books.xml", FileMode.Create, FileAccess.Write))
{
XmlSerializer serializer = new XmlSerializer(typeof(List <Book>));
serializer.Serialize(fs, homeLibrary.books);
}
using (FileStream fs = new FileStream(userFile, FileMode.Create, FileAccess.Write))
{
XmlSerializer serializer = new XmlSerializer(typeof(List <Book>));
serializer.Serialize(fs, user.BookList());
}
using (FileStream fs = new FileStream("users.xml", FileMode.Create, FileAccess.Write))
{
XmlSerializer serializer = new XmlSerializer(typeof(List <User>));
serializer.Serialize(fs, users.userList);
}
}