Book Shell with search (by book params), add, remove options

iJunior_C#_Lesson_55

using System;
using System.Globalization;
using System.IO;
using iJuniorPractice;

namespace iJuniorPractice
{
    class Program
    {
        static void Main(string[] args)
        {
            BookShellView bookShellView = new BookShellView(new BookShell());
            bookShellView.Play();
        }
    }
    
    static class Utils
    {
        public static int ReadInt(string message = "")
        {
            int number;
            string input;

            Console.WriteLine(message);
            input = Console.ReadLine();
            
            while (int.TryParse(input, out number) == false)
            {
                Console.WriteLine("Incorrect input. Try again.");
                input = Console.ReadLine();
            }

            return number;
        }

        public static string ReadString(string message = "")
        {
            string input;

            Console.WriteLine(message);
            input = Console.ReadLine();
            
            while (input == "")
            {
                Console.WriteLine("Incorrect input, line is empty. Try again.");
                input = Console.ReadLine();
            }

            return input;
        }
    }

    class BookShellView
    {
        private const int CommandShowBooks = 1;
        private const int CommandAddBook = 2;
        private const int CommandRemoveBook = 3;
        private const int CommanndByName = 4;
        private const int CommanndByAuthor = 5;
        private const int CommanndByYear = 6;
        private const int CommandExit = 7;
        
        private BookShell _bookShell;

        public BookShellView(BookShell bookShell)
        {
            _bookShell = bookShell;
        }
        
        public void Play()
        {
            bool _isWork = true;
            int input;
            
            _bookShell = new BookShell();

            while (_isWork)
            {
                ShowMenu();
                input = Utils.ReadInt("Please enter command: ");

                switch (input)
                {
                    case CommandShowBooks:
                        _bookShell.ShowAllBooks();
                        break;
                    
                    case CommandAddBook:
                        _bookShell.AddBook();
                        break;
                    
                    case CommandRemoveBook:
                        _bookShell.RemoveBook();
                        break;
                    
                    case CommanndByName:
                        _bookShell.SearchByName();
                        break;
                
                    case CommanndByAuthor:
                        _bookShell.SearchByAuthor();
                        break;
                
                    case CommanndByYear:
                        _bookShell.SearchByPublishYear();
                        break;
                    
                    case CommandExit:
                        _isWork = false;
                        CloseApp();
                        break;
                    
                    default:
                        Console.WriteLine("Incorrect input.");
                        break;
                }
                
                Console.WriteLine("Press any key to continue...");
                Console.ReadKey();
                Console.Clear();
            }
        }

        private void ShowMenu()
        {
            Console.WriteLine($"Main Menu:");
            Console.WriteLine($"Show All Books - {CommandShowBooks}");
            Console.WriteLine($"Add Book - {CommandAddBook}");
            Console.WriteLine($"Remove Book - {CommandRemoveBook}");
            Console.WriteLine($"Search by Title Name - {CommanndByName}");
            Console.WriteLine($"Search by Author - {CommanndByAuthor}");
            Console.WriteLine($"Search by Publish Year - {CommanndByYear}");
        }

        private void CloseApp()
        {
            Console.WriteLine("Turning off application...");
        }
    }
    
    class BookShell
    {
        private List<Book> _books; 
        private int _lastBookId;
        
        public BookShell()
        {
            _lastBookId = 0;
            _books = new List<Book>();
        }

        public void SearchByName()
        {
            bool isFound = false;
            string name = Utils.ReadString("Please enter book name: ");
            
            foreach (var book in _books)
            {
                if (book.Name.Contains(name))
                {
                    isFound = true;
                    Console.WriteLine($"{book.GetInfo()}");
                }
            }
            
            if (isFound == false)
            {
                Console.WriteLine("Books not found.");
            }
        }

        public void SearchByAuthor()
        {
            bool isFound = false;
            string author = Utils.ReadString("Please enter book author: ");
            
            foreach (var book in _books)
            {
                if (book.Author.Contains(author))
                {
                    isFound = true;
                    Console.WriteLine($"{book.GetInfo()}");
                }
            } 
            
            if (isFound == false)
            {
                Console.WriteLine("Books not found.");
            }
        }

        public void SearchByPublishYear()
        {
            bool isFound = false;
            int year = Utils.ReadInt("Please enter book publish year: ");
            
            foreach (var book in _books)
            {
                if (book.PublishYear == year)
                {
                    isFound = true;
                    Console.WriteLine($"{book.GetInfo()}");
                }
            }

            if (isFound == false)
            {
                Console.WriteLine("Books not found.");
            }
        }

        public void AddBook()
        {
            Book newBook = CreateBook();
            _books.Add(newBook);
        }

        public void RemoveBook()
        {
            bool isFound = false;
            int bookId = Utils.ReadInt("Please enter book ID: ");
            
            foreach (var book in _books)
            {
                if (book.Id == bookId)
                {
                    isFound = true;
                    _books.Remove(book);
                    break;
                }
            }
            
            if(isFound == false)
            {
                Console.WriteLine("Book not found.");
            }
        }

        public void ShowAllBooks()
        {
            if (_books.Count == 0)
            {
                Console.WriteLine("No books found.");
            }
            else
            {
                foreach (var book in _books)
                {
                    Console.WriteLine($"{book.GetInfo()}");
                }
            }
        }

        private Book CreateBook()
        {
            string name = Utils.ReadString("Please enter the name of the book: ");
            string author = Utils.ReadString("Please enter the author: ");
            int publishYear = Utils.ReadInt("Publish year: ");
            
            return new Book(_lastBookId++, name, author, publishYear);
        }
    }

    class Book
    {
        public Book(int id, string name, string author, int publishYear)
        {
            Id = id;
            Name = name;
            Author = author;
            PublishYear = publishYear;
        }

        public int Id { get; private set; }
        public string Name { get; private set; }
        public string Author  { get; private set; }
        public int PublishYear  { get; private set; }
        
        public string GetInfo()
        {
            return $"{Id} - {Name}, {Author}, {PublishYear}";
        }
    }
}