Caroline Berg -C#EX03 - Inheritance and dependency

tdd-oop-inheritance.CSharp.Main/Article.cs

@@ -6,37 +6,19 @@
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Article {
-        public string title;
-
-        bool onLoan = false;
-
-        public Article(string title) {
-            this.title = title;
+    public class Article :InventoryItem, Item
+    {
+        public Author _author;
+        public Article(string title, Author author) {
+            this.Title = title;
+            _author = author;
         }
-
-        public bool isOnLoan()  {
-            return onLoan;
+        public Article(string title)
+        {
+            this.Title = title;
+            _author = new Author(string.Empty,string.Empty,string.Empty);
         }
 
-        public string checkIn() {
-            if (!this.isOnLoan()) {
-                return "item is not currently on loan";
-            }
-
-            this.onLoan = false;
-
-            return "item has been checked in";
-        }
-
-        public string checkOut() {
-            if (this.isOnLoan()) {
-                return "item is currently on loan";
-            }
-
-            this.onLoan = true;
-
-            return "item has been checked out";
-        }
+        public Author Author { get { return _author; } }
     }
 }

tdd-oop-inheritance.CSharp.Main/Author.cs

@@ -0,0 +1,28 @@
+using Microsoft.VisualBasic;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_oop_inheritance.CSharp.Main
+{
+    public class Author
+{
+        private string _name;
+        private string _adress;
+        private string _website;
+        public Author(string name, string adress, string website)
+        {
+            _name = name;
+            _adress = adress;
+            _website = website;
+        }
+
+        public string Name { get { return _name; } }
+        public string Adress { get { return _adress; } }
+        public string Website { get { return _website; } }
+
+
+    }
+}

tdd-oop-inheritance.CSharp.Main/Book.cs

@@ -6,37 +6,22 @@
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Book {
+    public class Book : InventoryItem, Item
+    {
         public string title;
-
-        bool onLoan = false;
+        public Author _author;
 
         public Book(string title) {
             this.title = title;
-        }
+            _author = new Author(string.Empty, string.Empty, string.Empty);
 
-        public bool isOnLoan() {
-            return onLoan;
         }
-
-        public string checkIn() {
-            if (!this.isOnLoan()) {
-                return "item is not currently on loan";
-            }
-
-            this.onLoan = false;
-
-            return "item has been checked in";
+        public Book(string title, Author author)
+        {
+            this.title = title;
+            _author = author;
         }
 
-        public string checkOut() {
-            if (this.isOnLoan()) {
-                return "item is currently on loan";
-            }
-
-            this.onLoan = true;
-
-            return "item has been checked out";
-        }
+        public Author Author { get { return _author; } }
     }
 }

tdd-oop-inheritance.CSharp.Main/InventoryItem.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using tdd_oop_inheritance.CSharp.Main;
+
+namespace tdd_oop_inheritance.CSharp.Main
+{
+    public class InventoryItem: Item
+
+{
+    private string _title = "";
+    private bool onLoan = false;
+
+    public bool isOnLoan()
+    {
+        return onLoan;
+    }
+
+     public string checkIn()
+    {
+
+        if (!this.isOnLoan())
+        {
+            return "item is not currently on loan";
+        }
+
+        this.onLoan = false;
+
+        return "item has been checked in";
+    }
+
+    public string checkOut()
+    {
+        if (this.isOnLoan())
+        {
+            return "item is currently on loan";
+        }
+
+        this.onLoan = true;
+
+        return "item has been checked out";
+
+    }
+
+
+        public string Title { get { return _title; } set { _title = value; } }
+
+    }
+}

tdd-oop-inheritance.CSharp.Main/Item.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Metadata.Ecma335;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace tdd_oop_inheritance.CSharp.Main
+{
+    public interface Item 
+    {
+        public string Title { get; set; }
+
+        public string checkIn() {
+            return string.Empty;
+        }
+        public string checkOut()
+        {
+            return string.Empty;
+        }
+    }
+}

tdd-oop-inheritance.CSharp.Main/Library.cs

@@ -6,48 +6,24 @@
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Library {
-        List<Article> articles = new List<Article>();
-        List<Book> books = new List<Book>();
-        List<Newspaper> newspapers = new List<Newspaper>();
+    public class Library:InventoryItem
+    {
+        private Dictionary<int,Item> inventory = new Dictionary<int, Item>();
 
-        public void addToStock(Article item) {
-            this.articles.Add(item);
+
+        public void addToStock(Item item) {
+            this.inventory.Add(inventory.Count,item);
         }
 
-        public void addToStock(Book item) {
-            this.books.Add(item);
-        }
-
-        public void addToStock(Newspaper item) {
-            this.newspapers.Add(item);
-        }
-
-        // The following methods may contain code that you are unfamiliar with. The strange syntax of article -> something
-        // is called a lambda expression (https://www.w3schools.com/java/java_lambda.asp)
-        public string checkInArticle(string title) {
-
-            List<Article> filtered = (List<Article>)this.articles.Where(article => article.title.Equals(title));
-
-            if (filtered.Count() < 1) {
-                return "item is not part of the library's collection";
-            }
-
-            return filtered[0].checkIn();
-        }
-
-        public string checkOutArticle(string title) {
-            List<Article> filtered = (List<Article>)this.articles.Where(article => article.title.Equals(title));
-
-            if (filtered.Count() < 1) {
-                return "item is not part of the library's collection";
+        public string checkIn(Item item) {
+            List<Item> filtered = new List<Item>();
+            foreach (Item item2 in this.inventory.Values)
+            {
+                if (item2.Title.Equals(item.Title)) { filtered.Add(item2); }
             }
+
+
 
-            return filtered[0].checkOut();
-        }
-
-        public string checkInBook(string title) {
-            List<Book> filtered = (List<Book>)this.books.Where(book => book.Equals(title));
 
             if (filtered.Count() < 1) {
                 return "item is not part of the library's collection";
@@ -56,34 +32,25 @@ public string checkInBook(string title) {
             return filtered[0].checkIn();
         }
 
-        public string checkOutBook(string title) {
-            List<Book> filtered = (List<Book>)this.books.Where(book => book.Equals(title));
-
-            if (filtered.Count() < 1) {
-                return "item is not part of the library's collection";
-            }
-
-            return filtered[0].checkOut();
-        }
-
-        public string checkInNewspaper(string title) {
-            List<Newspaper> filtered = (List<Newspaper>)this.newspapers.Where(newspaper => newspaper.title.Equals(title));
 
-            if (filtered.Count() < 1) {
-                return "item is not part of the library's collection";
+        public string checkOut(Item item)
+        {
+            List<Item> filtered = new List<Item>();
+            foreach (Item item2 in this.inventory.Values)
+            {
+                if (item2.Title.Equals(item.Title)) { filtered.Add(item2); }
             }
 
-            return filtered[0].checkIn();
-        }
 
-        public string checkOutNewspaper(string title) {
-            List<Newspaper> filtered = (List<Newspaper>)this.newspapers.Where(newspaper => newspaper.title.Equals(title));
+            if (filtered.Count() < 1)
+                {
+                    return "item is not part of the library's collection";
+                }
 
-            if (filtered.Count() < 1) {
-                return "item is not part of the library's collection";
+               return filtered[0].checkOut();
             }
 
-            return filtered[0].checkOut();
+        public Dictionary<int,Item> getInventory { get => inventory; }
         }
     }
-}
+

tdd-oop-inheritance.CSharp.Main/Newspaper.cs

@@ -1,31 +1,26 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace tdd_oop_inheritance.CSharp.Main
 {
-    public class Newspaper
+    public class Newspaper : InventoryItem,Item
     {
-        public string title;
-
-        Boolean onLoan = false;
-
+
         public Newspaper(string title) {
-            this.title = title;
-        }
-
-        public bool isOnLoan() {
-            return onLoan;
+            this.Title = title;
         }
 
-        public string checkIn() {
+        public new string checkIn()
+        { return "newspapers are not available for loan"; }
+
+        public new string checkOut() {
             return "newspapers are not available for loan";
         }
 
-        public string checkOut() {
-            return "newspapers are not available for loan";
-        }
+
     }
 }