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LibraryApp_Interactive/LibraryAppInteractive/LibraryApp/LibraryAdminPage.xaml

@@ -5,8 +5,13 @@
              x:Class="LibraryAppInteractive.LibraryAdminPage"
              Title="Manage Book Assets">
     <ContentPage.Content>
-        <Label Text="Library Admin page for the Interactive Library App"
-               HorizontalOptions="Center"
-               VerticalOptions="Center"/>         
+        <VerticalStackLayout>
+            <Entry x:Name="_txtName" Placeholder="Enter book name"/>
+            <Entry x:Name="_txtIsbn" Placeholder="Enter book isbn"/>
+            <Entry x:Name="_txtAuthor" Placeholder="Enter author"/>
+            <Entry x:Name="_txtType" Placeholder="Enter type (paper or digital)"/>
+            <Button x:Name="_btnRegister" Clicked="RegisterBook" Text="Register"/>
+            <Button x:Name="_btnDisplay" Clicked="DisplayBooks" Text="Display"/>
+        </VerticalStackLayout>
     </ContentPage.Content>
 </ContentPage>

LibraryApp_Interactive/LibraryAppInteractive/LibraryApp/LibraryAdminPage.xaml.cs

@@ -1,3 +1,4 @@
+using LibraryAppInteractive.businesslogic;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -8,8 +9,73 @@ namespace LibraryAppInteractive;
 
 public partial class LibraryAdminPage : ContentPage
 {
-    public LibraryAdminPage()
+    private Library _library;
+    public LibraryAdminPage(Library library)
     {        
         InitializeComponent();
+        _library = library;
+    }
+
+    private async void RegisterBook(object sender, EventArgs e)
+    {
+        //once the button is pressed it gets all the entries and then and then displays a alert telling you that it was registered if there was no problems
+        string name = _txtName.Text;
+        string isbn = _txtIsbn.Text;
+        string author = _txtAuthor.Text;
+        BookType type = BookType.Paper;
+        if (_txtType.Text == "Paper" || _txtType.Text == "paper")
+        {
+            type = BookType.Paper;
+        }
+        else if (_txtType.Text == "Digital" || _txtType.Text == "digital")
+        {
+            type = BookType.Digital;
+        }
+        else 
+        {
+            await DisplayAlert("error","Needs to be either paper or digital","Ok");
+        }
+
+        if (string.IsNullOrWhiteSpace(name) ||
+       string.IsNullOrWhiteSpace(isbn))
+        {
+            await DisplayAlert("Error", "Name and ISBN required", "OK");
+            return;
+        }
+        //had to google how to split mutiple authors into a array
+        string[] authors = author?
+     .Split(',', StringSplitOptions.RemoveEmptyEntries)
+     .Select(a => a.Trim())
+     .ToArray() ?? new string[0];
+
+        int copies = 1;
+
+        _library.RegisterBook(
+            name,isbn,authors,type,copies
+
+            );
+        await DisplayAlert("Success", "Book registered", "OK");
+
+    }
+
+    private async void DisplayBooks(object sender, EventArgs e)
+    {
+        //shows the list of all the books in a displayalert
+        var books = _library.GetAllBooks();
+
+        if (books == null || books.Count == 0)
+        {
+            await DisplayAlert("Library", "No books available", "OK");
+            return;
+        }
+
+        string result = "";
+
+        foreach (var book in books)
+        {
+            result += $"{book.Name} ({book.ISBN})\n";
+        }
+
+        await DisplayAlert("Books", result, "OK");
     }
 }

LibraryApp_Interactive/LibraryAppInteractive/LibraryApp/LibraryApp.csproj

@@ -35,21 +35,21 @@
 
     <ItemGroup>
         <!-- App Icon -->
-        <MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4"/>
+        <MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
 
         <!-- Splash Screen -->
-        <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128"/>
+        <MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
 
         <!-- Images -->
-        <MauiImage Include="Resources\Images\*"/>
-        <MauiImage Update="Resources\Images\admin.svg"  BaseSize="24,24"/>
-        <MauiImage Update="Resources\Images\library.svg" BaseSize="24,24"/>
+        <MauiImage Include="Resources\Images\*" />
+        <MauiImage Update="Resources\Images\admin.svg" BaseSize="24,24" />
+        <MauiImage Update="Resources\Images\library.svg" BaseSize="24,24" />
 
         <!-- Custom Fonts -->
-        <MauiFont Include="Resources\Fonts\*"/>
+        <MauiFont Include="Resources\Fonts\*" />
 
         <!-- Raw Assets (also remove the "Resources\Raw" prefix) -->
-        <MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)"/>
+        <MauiAsset Include="Resources\Raw\**" LogicalName="%(RecursiveDir)%(Filename)%(Extension)" />
     </ItemGroup>
 
     <ItemGroup>

LibraryApp_Interactive/LibraryAppInteractive/LibraryApp/LibraryBrowsePage.xaml

@@ -3,8 +3,13 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="LibraryAppInteractive.LibraryBrowsePage"
              Title="Browse Interactive Library">
-
-	<Label Text="Browse Library page for the Interactive Library App"
-	       HorizontalOptions="Center"
-	       VerticalOptions="Center"/> 
+
+    <VerticalStackLayout>
+        <Entry x:Name="_txtbookname" Placeholder="Enter book name"/>
+        <Button x:Name="_btnSearch" Clicked="SearchBook" Text="Search"/>
+        <Entry x:Name="_txtISBN" Placeholder="Enter book isbn number"/>
+        <Button x:Name="_btnBorrow" Clicked="BorrowBook" Text="Borrow"/>
+        <Entry x:Name="_txtLibID" Placeholder="Enter library ID"/>
+        <Button x:Name="_btnReturn" Clicked="OnReturnBook" Text="Return"/>
+    </VerticalStackLayout>
 </ContentPage>

LibraryApp_Interactive/LibraryAppInteractive/LibraryApp/LibraryBrowsePage.xaml.cs

@@ -1,9 +1,88 @@
-namespace LibraryAppInteractive;
+using LibraryAppInteractive.businesslogic;
+
+namespace LibraryAppInteractive;
 
 public partial class LibraryBrowsePage : ContentPage
 {
-    public LibraryBrowsePage()
+    public Library _library;
+    public LibraryBrowsePage(Library library)
     {   
         InitializeComponent();
+        _library = library;
+        _library.CreateDefaultBooks();
+
+    }
+
+    private async void SearchBook(object sender, EventArgs e)
+    {
+        //lets you search for a book if it available and matches the name you type in case sensitive 
+        if (_library == null)
+        {
+            await DisplayAlert("Error", "Library not initialized", "OK");
+            return;
+        }
+        string bookName = _txtbookname.Text;
+        Book book = _library.FindBookByName(bookName);
+
+        if (book == null) 
+        {
+            await DisplayAlert("Not found","No book availble","Ok");
+            return;
+        }
+        await DisplayAlert("Book found",$"Found the book {bookName}","Ok");
+    }
+
+    private async void BorrowBook(object sender, EventArgs e)
+    {
+        //lets you borrow a book based on the isbm given and then displays a alert saying you got the book
+        if (_library == null)
+        {
+            await DisplayAlert("Error", "Library not initialized", "OK");
+            return;
+        }
+        string isbn = _txtISBN.Text?.Trim();
+        Book book = _library.FindBookByISBN(isbn);
+        if (book == null)
+        {
+            await DisplayAlert("Not found","No book found","Ok");
+            return;
+
+        }
+
+        LibraryAsset asset = book.BorrowBook();
+        if (asset == null) 
+        {
+            await DisplayAlert("Not found", "No copies found", "Ok");
+            return;
+        }
+        await DisplayAlert("Book found", $"Borrowed the book {book.Name}", "Ok");
+
+    }
+
+    private async void OnReturnBook(object sender, EventArgs e)
+    {
+        //lets you return the book based off of the libid and isbn number and then adds it to the copy and then displays a alert saying its returned
+        if (_library == null)
+        {
+            await DisplayAlert("Error", "Library not initialized", "OK");
+            return;
+        }
+        string isbn = _txtISBN.Text;
+        if (!int.TryParse(_txtLibID.Text, out int libId))
+        {
+            await DisplayAlert("Error", "Please enter a valid numeric Library ID", "OK");
+            return;
+        }
+        int LibId = int.Parse(_txtLibID.Text);
+        Book book = _library.FindBookByISBN(isbn);
+        if (book == null)
+        {
+           await DisplayAlert("Not found", "No book found", "Ok");
+            return;
+        }
+
+        var result = book.ReturnBook(LibId);
+
+        await DisplayAlert("Book returned",$"Returned the book {book.Name}","Ok");
     }
 }

LibraryApp_Interactive/LibraryAppInteractive/LibraryApp/MauiProgram.cs

@@ -1,4 +1,5 @@
-using System.Collections.Immutable;
+using LibraryAppInteractive.businesslogic;
+using System.Collections.Immutable;
 
 namespace LibraryAppInteractive;
 
@@ -14,7 +15,10 @@ public static MauiApp CreateMauiApp()
                 fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
                 fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
             });
-
+        builder.Services.AddSingleton<Library>();
+
+        builder.Services.AddTransient<LibraryBrowsePage>();
+        builder.Services.AddTransient<LibraryAdminPage>();
         return builder.Build();
     }
 }