feat: authorization

Database/Database.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

Database/Models/Book.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class Book
+{
+    public int Id { get; set; }
+
+    public string Title { get; set; } = null!;
+
+    public string Isbn { get; set; } = null!;
+
+    public string Author { get; set; } = null!;
+
+    public string Status { get; set; } = null!;
+
+    public bool IsActive { get; set; }
+
+    public DateTime CreatedAt { get; set; }
+
+    public string? Description { get; set; }
+
+    public string? CoverUrl { get; set; }
+
+    public virtual ICollection<Borrowing> Borrowings { get; set; } = new List<Borrowing>();
+
+    public virtual ICollection<Wishlist> Wishlists { get; set; } = new List<Wishlist>();
+
+    public virtual ICollection<Category> Categories { get; set; } = new List<Category>();
+}

Database/Models/Borrowing.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class Borrowing
+{
+    public int Id { get; set; }
+
+    public int UserId { get; set; }
+
+    public int BookId { get; set; }
+
+    public DateTime BorrowDate { get; set; }
+
+    public DateTime DueDate { get; set; }
+
+    public DateTime? ReturnDate { get; set; }
+
+    public string Status { get; set; } = null!;
+
+    public decimal FineAmount { get; set; }
+
+    public bool IsFinePaid { get; set; }
+
+    public virtual Book Book { get; set; } = null!;
+
+    public virtual User User { get; set; } = null!;
+}

Database/Models/Category.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class Category
+{
+    public int Id { get; set; }
+
+    public string Name { get; set; } = null!;
+
+    public virtual ICollection<Book> Books { get; set; } = new List<Book>();
+}

Database/Models/LibraryManagementContext.cs

@@ -0,0 +1,175 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+
+namespace Database.Models;
+
+public partial class LibraryManagementContext : DbContext
+{
+    public LibraryManagementContext()
+    {
+    }
+
+    public LibraryManagementContext(DbContextOptions<LibraryManagementContext> options)
+        : base(options)
+    {
+    }
+
+    public virtual DbSet<Book> Books { get; set; }
+
+    public virtual DbSet<Borrowing> Borrowings { get; set; }
+
+    public virtual DbSet<Category> Categories { get; set; }
+
+    public virtual DbSet<Membership> Memberships { get; set; }
+
+    public virtual DbSet<User> Users { get; set; }
+
+    public virtual DbSet<UserSubscription> UserSubscriptions { get; set; }
+
+    public virtual DbSet<Wishlist> Wishlists { get; set; }
+
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see https://go.microsoft.com/fwlink/?LinkId=723263.
+        => optionsBuilder.UseSqlServer("Server=DESKTOP-BP9A061;Database=LibraryManagement;User Id=sa;Password=sasa@123;TrustServerCertificate=True;");
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<Book>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__Books__3214EC07AE1974C8");
+
+            entity.HasIndex(e => e.Isbn, "UQ__Books__447D36EA79CF66CE").IsUnique();
+
+            entity.Property(e => e.Author).HasMaxLength(100);
+            entity.Property(e => e.CreatedAt)
+                .HasDefaultValueSql("(getdate())")
+                .HasColumnType("datetime");
+            entity.Property(e => e.IsActive).HasDefaultValue(true);
+            entity.Property(e => e.Isbn)
+                .HasMaxLength(20)
+                .HasColumnName("ISBN");
+            entity.Property(e => e.Status)
+                .HasMaxLength(20)
+                .HasDefaultValue("Available");
+            entity.Property(e => e.Title).HasMaxLength(200);
+
+            entity.HasMany(d => d.Categories).WithMany(p => p.Books)
+                .UsingEntity<Dictionary<string, object>>(
+                    "BookCategory",
+                    r => r.HasOne<Category>().WithMany()
+                        .HasForeignKey("CategoryId")
+                        .HasConstraintName("FK_BookCategories_Categories"),
+                    l => l.HasOne<Book>().WithMany()
+                        .HasForeignKey("BookId")
+                        .HasConstraintName("FK_BookCategories_Books"),
+                    j =>
+                    {
+                        j.HasKey("BookId", "CategoryId").HasName("PK__BookCate__9C7051A74E7D221D");
+                        j.ToTable("BookCategories");
+                    });
+        });
+
+        modelBuilder.Entity<Borrowing>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__Borrowin__3214EC07EA26D8CD");
+
+            entity.Property(e => e.BorrowDate)
+                .HasDefaultValueSql("(getdate())")
+                .HasColumnType("datetime");
+            entity.Property(e => e.DueDate).HasColumnType("datetime");
+            entity.Property(e => e.FineAmount).HasColumnType("decimal(10, 2)");
+            entity.Property(e => e.ReturnDate).HasColumnType("datetime");
+            entity.Property(e => e.Status)
+                .HasMaxLength(20)
+                .HasDefaultValue("Active");
+
+            entity.HasOne(d => d.Book).WithMany(p => p.Borrowings)
+                .HasForeignKey(d => d.BookId)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("FK_Borrowings_Books");
+
+            entity.HasOne(d => d.User).WithMany(p => p.Borrowings)
+                .HasForeignKey(d => d.UserId)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("FK_Borrowings_Users");
+        });
+
+        modelBuilder.Entity<Category>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__Categori__3214EC0751B5797D");
+
+            entity.HasIndex(e => e.Name, "UQ__Categori__737584F622B16D3A").IsUnique();
+
+            entity.Property(e => e.Name).HasMaxLength(100);
+        });
+
+        modelBuilder.Entity<Membership>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__Membersh__3214EC07A6F5A55F");
+
+            entity.HasIndex(e => e.Type, "IX_Memberships_Type").IsUnique();
+
+            entity.Property(e => e.Price).HasColumnType("decimal(10, 2)");
+            entity.Property(e => e.Type).HasMaxLength(50);
+        });
+
+        modelBuilder.Entity<User>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__Users__3214EC0771D7BED2");
+
+            entity.HasIndex(e => e.Email, "UQ__Users__A9D10534F91FFF73").IsUnique();
+
+            entity.Property(e => e.Address).HasMaxLength(255);
+            entity.Property(e => e.CreatedAt)
+                .HasDefaultValueSql("(getdate())")
+                .HasColumnType("datetime");
+            entity.Property(e => e.Email).HasMaxLength(100);
+            entity.Property(e => e.FullName).HasMaxLength(100);
+            entity.Property(e => e.IsActive).HasDefaultValue(true);
+            entity.Property(e => e.PhoneNumber).HasMaxLength(20);
+            entity.Property(e => e.Role)
+                .HasMaxLength(20)
+                .HasDefaultValue("User");
+            entity.Property(e => e.StudentId).HasMaxLength(20);
+            entity.Property(e => e.SuspensionEndDate).HasColumnType("datetime");
+            entity.Property(e => e.UpdatedAt).HasColumnType("datetime");
+        });
+
+        modelBuilder.Entity<UserSubscription>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__UserSubs__3214EC07E3FBC0EC");
+
+            entity.Property(e => e.ExpiryDate).HasColumnType("datetime");
+            entity.Property(e => e.IsActive).HasDefaultValue(true);
+            entity.Property(e => e.StartDate).HasColumnType("datetime");
+
+            entity.HasOne(d => d.Membership).WithMany(p => p.UserSubscriptions)
+                .HasForeignKey(d => d.MembershipId)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("FK_UserSubscriptions_Memberships");
+
+            entity.HasOne(d => d.User).WithMany(p => p.UserSubscriptions)
+                .HasForeignKey(d => d.UserId)
+                .OnDelete(DeleteBehavior.ClientSetNull)
+                .HasConstraintName("FK_UserSubscriptions_Users");
+        });
+
+        modelBuilder.Entity<Wishlist>(entity =>
+        {
+            entity.HasKey(e => e.Id).HasName("PK__Wishlist__3214EC07F63D8F81");
+
+            entity.HasOne(d => d.Book).WithMany(p => p.Wishlists)
+                .HasForeignKey(d => d.BookId)
+                .HasConstraintName("FK_Wishlists_Books");
+
+            entity.HasOne(d => d.User).WithMany(p => p.Wishlists)
+                .HasForeignKey(d => d.UserId)
+                .HasConstraintName("FK_Wishlists_Users");
+        });
+
+        OnModelCreatingPartial(modelBuilder);
+    }
+
+    partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
+}

Database/Models/Membership.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class Membership
+{
+    public int Id { get; set; }
+
+    public string Type { get; set; } = null!;
+
+    public int MaxBooks { get; set; }
+
+    public int BorrowingDays { get; set; }
+
+    public decimal Price { get; set; }
+
+    public int DurationMonths { get; set; }
+
+    public virtual ICollection<UserSubscription> UserSubscriptions { get; set; } = new List<UserSubscription>();
+}

Database/Models/User.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class User
+{
+    public int Id { get; set; }
+
+    public string FullName { get; set; } = null!;
+
+    public string Email { get; set; } = null!;
+
+    public string PasswordHash { get; set; } = null!;
+
+    public string? PhoneNumber { get; set; }
+
+    public string Role { get; set; } = null!;
+
+    public bool IsActive { get; set; }
+
+    public DateTime CreatedAt { get; set; }
+
+    public DateTime? UpdatedAt { get; set; }
+
+    public string? StudentId { get; set; }
+
+    public bool? BanStatus { get; set; }
+
+    public DateTime? SuspensionEndDate { get; set; }
+
+    public string? Address { get; set; }
+
+    public virtual ICollection<Borrowing> Borrowings { get; set; } = new List<Borrowing>();
+
+    public virtual ICollection<UserSubscription> UserSubscriptions { get; set; } = new List<UserSubscription>();
+
+    public virtual ICollection<Wishlist> Wishlists { get; set; } = new List<Wishlist>();
+}

Database/Models/UserSubscription.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class UserSubscription
+{
+    public int Id { get; set; }
+
+    public int UserId { get; set; }
+
+    public int MembershipId { get; set; }
+
+    public DateTime StartDate { get; set; }
+
+    public DateTime ExpiryDate { get; set; }
+
+    public bool IsActive { get; set; }
+
+    public virtual Membership Membership { get; set; } = null!;
+
+    public virtual User User { get; set; } = null!;
+}

Database/Models/Wishlist.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+
+namespace Database.Models;
+
+public partial class Wishlist
+{
+    public int Id { get; set; }
+
+    public int UserId { get; set; }
+
+    public int BookId { get; set; }
+
+    public virtual Book Book { get; set; } = null!;
+
+    public virtual User User { get; set; } = null!;
+}

LibraryManagement.Backend/Features/Auth/AuthController.cs

@@ -0,0 +1,44 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibraryManagement.Backend.Features.Auth
+{
+    [ApiController]
+    [Route("api/auth")]
+    public class AuthController : ControllerBase
+    {
+        private readonly IAuthService _authService;
+
+        public AuthController(IAuthService authService)
+        {
+            _authService = authService;
+        }
+
+        [HttpPost("register")]
+        public async Task<ActionResult<AuthResponse>> Register([FromBody] RegisterRequest request)
+        {
+            try
+            {
+                var response = await _authService.Register(request);
+                return Ok(response);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(new { message = ex.Message });
+            }
+        }
+
+        [HttpPost("login")]
+        public async Task<ActionResult<AuthResponse>> Login([FromBody] LoginRequest request)
+        {
+            try
+            {
+                var response = await _authService.Login(request);
+                return Ok(response);
+            }
+            catch (Exception ex)
+            {
+                return Unauthorized(new { message = ex.Message });
+            }
+        }
+    }
+}

LibraryManagement.Backend/Features/Auth/AuthModels.cs

@@ -0,0 +1,26 @@
+namespace LibraryManagement.Backend.Features.Auth
+{
+    public class RegisterRequest
+    {
+        public string FullName { get; set; } = string.Empty;
+        public string Email { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+        public string? PhoneNumber { get; set; }
+        public string? Address { get; set; }
+        public string? StudentId { get; set; }
+    }
+
+    public class LoginRequest
+    {
+        public string Email { get; set; } = string.Empty;
+        public string Password { get; set; } = string.Empty;
+    }
+
+    public class AuthResponse
+    {
+        public string Token { get; set; } = string.Empty;
+        public string FullName { get; set; } = string.Empty;
+        public string Role { get; set; } = string.Empty;
+        public DateTime Expiry { get; set; }
+    }
+}

LibraryManagement.Backend/Features/Auth/AuthService.cs

@@ -0,0 +1,101 @@
+using Database.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using System.Text;
+
+namespace LibraryManagement.Backend.Features.Auth
+{
+    public interface IAuthService
+    {
+        Task<AuthResponse> Register(RegisterRequest request);
+        Task<AuthResponse> Login(LoginRequest request);
+    }
+
+    public class AuthService : IAuthService
+    {
+        private readonly LibraryManagementContext _context;
+        private readonly IConfiguration _configuration;
+
+        public AuthService(LibraryManagementContext context, IConfiguration configuration)
+        {
+            _context = context;
+            _configuration = configuration;
+        }
+
+        public async Task<AuthResponse> Register(RegisterRequest request)
+        {
+            if (await _context.Users.AnyAsync(u => u.Email == request.Email))
+            {
+                throw new Exception("User already exists with this email.");
+            }
+
+            var user = new User
+            {
+                FullName = request.FullName,
+                Email = request.Email,
+                PhoneNumber = request.PhoneNumber,
+                Address = request.Address,
+                StudentId = request.StudentId,
+                PasswordHash = BCrypt.Net.BCrypt.HashPassword(request.Password),
+                Role = "Member", // Default role
+                IsActive = true,
+                CreatedAt = DateTime.UtcNow
+            };
+
+            _context.Users.Add(user);
+            await _context.SaveChangesAsync();
+
+            return await AuthenticateUser(user);
+        }
+
+        public async Task<AuthResponse> Login(LoginRequest request)
+        {
+            var user = await _context.Users.FirstOrDefaultAsync(u => u.Email == request.Email);
+
+            if (user == null || !BCrypt.Net.BCrypt.Verify(request.Password, user.PasswordHash))
+            {
+                throw new Exception("Invalid email or password.");
+            }
+
+            if (!user.IsActive)
+            {
+                throw new Exception("User account is deactivated.");
+            }
+
+            return await AuthenticateUser(user);
+        }
+
+        private async Task<AuthResponse> AuthenticateUser(User user)
+        {
+            var tokenHandler = new JwtSecurityTokenHandler();
+            var key = Encoding.ASCII.GetBytes(_configuration["Jwt:Secret"] ?? "YourSuperSecretKeyForLibraryManagementSystem_AtLeast32CharsLong");
+            
+            var tokenDescriptor = new SecurityTokenDescriptor
+            {
+                Subject = new ClaimsIdentity(new[]
+                {
+                    new Claim(ClaimTypes.NameIdentifier, user.Id.ToString()),
+                    new Claim(ClaimTypes.Email, user.Email),
+                    new Claim(ClaimTypes.Name, user.FullName),
+                    new Claim(ClaimTypes.Role, user.Role)
+                }),
+                Expires = DateTime.UtcNow.AddDays(7),
+                SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature),
+                Issuer = _configuration["Jwt:Issuer"],
+                Audience = _configuration["Jwt:Audience"]
+            };
+
+            var token = tokenHandler.CreateToken(tokenDescriptor);
+            
+            return new AuthResponse
+            {
+                Token = tokenHandler.WriteToken(token),
+                FullName = user.FullName,
+                Role = user.Role,
+                Expiry = tokenDescriptor.Expires.Value
+            };
+        }
+    }
+}

LibraryManagement.Backend/Features/Users/UserController.cs

@@ -0,0 +1,23 @@
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibraryManagement.Backend.Features.Users
+{
+    [ApiController]
+    [Route("api/users")]
+    public class UserController : ControllerBase
+    {
+        private readonly IUserService _userService;
+
+        public UserController(IUserService userService)
+        {
+            _userService = userService;
+        }
+
+        [HttpPost]
+        public async Task<ActionResult<UserCreateResponse>> CreateUser([FromBody] UserCreateRequest request)
+        {
+            var response = await _userService.CreateUser(request);
+            return Ok(response);
+        }
+    }
+}

LibraryManagement.Backend/Features/Users/UserService.cs

@@ -0,0 +1,30 @@
+using Database.Models;
+
+namespace LibraryManagement.Backend.Features.Users
+{
+    public interface IUserService
+    {
+        public Task<UserCreateResponse> CreateUser(UserCreateRequest request);
+    }
+
+    public class UserService : IUserService
+    {
+        private readonly LibraryManagementContext _context;
+
+        public UserService(LibraryManagementContext context) { 
+            _context = context;
+        }
+
+        public Task<UserCreateResponse> CreateUser(UserCreateRequest request)
+        {
+            throw new NotImplementedException();
+        }
+    }
+
+    public class UserCreateRequest {
+        
+    }
+
+    public class UserCreateResponse { 
+    }
+}

LibraryManagement.Backend/LibraryManagement.Backend.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BCrypt.Net-Next" Version="4.1.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.13" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.17.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Database\Database.csproj" />
+  </ItemGroup>
+
+</Project>

LibraryManagement.Backend/LibraryManagement.Backend.http

@@ -0,0 +1,6 @@
+@LibraryManagement.Backend_HostAddress = http://localhost:5199
+
+GET {{LibraryManagement.Backend_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

LibraryManagement.Backend/Program.cs

@@ -0,0 +1,83 @@
+using System.Text;
+using Database.Models;
+using LibraryManagement.Backend.Features.Auth;
+using LibraryManagement.Backend.Features.Users;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.IdentityModel.Tokens;
+using Microsoft.OpenApi.Models;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1", new OpenApiInfo { Title = "Library Management API", Version = "v1" });
+    c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
+    {
+        Description = "JWT Authorization header using the Bearer scheme. Example: \"Authorization: Bearer {token}\"",
+        Name = "Authorization",
+        In = ParameterLocation.Header,
+        Type = SecuritySchemeType.ApiKey,
+        Scheme = "Bearer"
+    });
+    c.AddSecurityRequirement(new OpenApiSecurityRequirement
+    {
+        {
+            new OpenApiSecurityScheme
+            {
+                Reference = new OpenApiReference
+                {
+                    Type = ReferenceType.SecurityScheme,
+                    Id = "Bearer"
+                }
+            },
+            new string[] {}
+        }
+    });
+});
+
+builder.Services.AddDbContext<LibraryManagementContext>(options =>
+    options.UseSqlServer(builder.Configuration.GetConnectionString("MssqlConnection")));
+
+// Register Services
+builder.Services.AddScoped<IAuthService, AuthService>();
+builder.Services.AddScoped<IUserService, UserService>();
+
+// Configure JWT Authentication
+var key = Encoding.ASCII.GetBytes(builder.Configuration["Jwt:Secret"] ?? "YourSuperSecretKeyForLibraryManagementSystem_AtLeast32CharsLong");
+builder.Services.AddAuthentication(x =>
+{
+    x.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
+    x.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
+})
+.AddJwtBearer(x =>
+{
+    x.RequireHttpsMetadata = false;
+    x.SaveToken = true;
+    x.TokenValidationParameters = new TokenValidationParameters
+    {
+        ValidateIssuerSigningKey = true,
+        IssuerSigningKey = new SymmetricSecurityKey(key),
+        ValidateIssuer = true,
+        ValidateAudience = true,
+        ValidIssuer = builder.Configuration["Jwt:Issuer"],
+        ValidAudience = builder.Configuration["Jwt:Audience"],
+        ClockSkew = TimeSpan.Zero
+    };
+});
+
+var app = builder.Build();
+
+app.UseSwagger();
+app.UseSwaggerUI();
+
+app.UseHttpsRedirection();
+
+app.UseAuthentication();
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();

{LibraryManagement → LibraryManagement.Backend}/Properties/launchSettings.json

@@ -4,8 +4,8 @@
     "windowsAuthentication": false,
     "anonymousAuthentication": true,
     "iisExpress": {
-      "applicationUrl": "http://localhost:64033",
-      "sslPort": 44305
+      "applicationUrl": "http://localhost:13110",
+      "sslPort": 44374
     }
   },
   "profiles": {
@@ -13,7 +13,8 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "applicationUrl": "http://localhost:5064",
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5199",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
@@ -22,7 +23,8 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "applicationUrl": "https://localhost:7277;http://localhost:5064",
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7028;http://localhost:5199",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
@@ -30,6 +32,7 @@
     "IIS Express": {
       "commandName": "IISExpress",
       "launchBrowser": true,
+      "launchUrl": "swagger",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }

LibraryManagement.Backend/WeatherForecast.cs

@@ -0,0 +1,13 @@
+namespace LibraryManagement.Backend
+{
+    public class WeatherForecast
+    {
+        public DateOnly Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+        public string? Summary { get; set; }
+    }
+}

LibraryManagement.Backend/appsettings.json

@@ -0,0 +1,17 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "MssqlConnection": "Server=DESKTOP-BP9A061;Database=LibraryManagement;User Id=sa;Password=sasa@123;TrustServerCertificate=True;"
+  },
+  "Jwt": {
+    "Secret": "YourSuperSecretKeyForLibraryManagementSystem_AtLeast32CharsLong",
+    "Issuer": "LibraryManagementSystem",
+    "Audience": "LibraryManagementUsers"
+  }
+}

LibraryManagement.Frontend/Components/App.razor

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="/" />
+    <link rel="stylesheet" href="bootstrap/bootstrap.min.css" />
+    <link rel="stylesheet" href="app.css" />
+    <link rel="stylesheet" href="LibraryManagement.Frontend.styles.css" />
+    <link rel="icon" type="image/png" href="favicon.png" />
+    <HeadOutlet />
+</head>
+
+<body>
+    <Routes />
+    <script src="_framework/blazor.web.js"></script>
+</body>
+
+</html>

LibraryManagement.Frontend/Components/Layout/MainLayout.razor

@@ -0,0 +1,23 @@
+@inherits LayoutComponentBase
+
+<div class="page">
+    <div class="sidebar">
+        <NavMenu />
+    </div>
+
+    <main>
+        <div class="top-row px-4">
+            <a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a>
+        </div>
+
+        <article class="content px-4">
+            @Body
+        </article>
+    </main>
+</div>
+
+<div id="blazor-error-ui">
+    An unhandled error has occurred.
+    <a href="" class="reload">Reload</a>
+    <a class="dismiss">🗙</a>
+</div>

LibraryManagement.Frontend/Components/Layout/MainLayout.razor.css

@@ -0,0 +1,96 @@
+.page {
+    position: relative;
+    display: flex;
+    flex-direction: column;
+}
+
+main {
+    flex: 1;
+}
+
+.sidebar {
+    background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
+}
+
+.top-row {
+    background-color: #f7f7f7;
+    border-bottom: 1px solid #d6d5d5;
+    justify-content: flex-end;
+    height: 3.5rem;
+    display: flex;
+    align-items: center;
+}
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        white-space: nowrap;
+        margin-left: 1.5rem;
+        text-decoration: none;
+    }
+
+    .top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
+        text-decoration: underline;
+    }
+
+    .top-row ::deep a:first-child {
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+
+@media (max-width: 640.98px) {
+    .top-row {
+        justify-content: space-between;
+    }
+
+    .top-row ::deep a, .top-row ::deep .btn-link {
+        margin-left: 0;
+    }
+}
+
+@media (min-width: 641px) {
+    .page {
+        flex-direction: row;
+    }
+
+    .sidebar {
+        width: 250px;
+        height: 100vh;
+        position: sticky;
+        top: 0;
+    }
+
+    .top-row {
+        position: sticky;
+        top: 0;
+        z-index: 1;
+    }
+
+    .top-row.auth ::deep a:first-child {
+        flex: 1;
+        text-align: right;
+        width: 0;
+    }
+
+    .top-row, article {
+        padding-left: 2rem !important;
+        padding-right: 1.5rem !important;
+    }
+}
+
+#blazor-error-ui {
+    background: lightyellow;
+    bottom: 0;
+    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
+    display: none;
+    left: 0;
+    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
+    position: fixed;
+    width: 100%;
+    z-index: 1000;
+}
+
+    #blazor-error-ui .dismiss {
+        cursor: pointer;
+        position: absolute;
+        right: 0.75rem;
+        top: 0.5rem;
+    }

LibraryManagement.Frontend/Components/Layout/NavMenu.razor

@@ -0,0 +1,30 @@
+<div class="top-row ps-3 navbar navbar-dark">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="">LibraryManagement.Frontend</a>
+    </div>
+</div>
+
+<input type="checkbox" title="Navigation menu" class="navbar-toggler" />
+
+<div class="nav-scrollable" onclick="document.querySelector('.navbar-toggler').click()">
+    <nav class="flex-column">
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
+                <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
+            </NavLink>
+        </div>
+
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="counter">
+                <span class="bi bi-plus-square-fill-nav-menu" aria-hidden="true"></span> Counter
+            </NavLink>
+        </div>
+
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="weather">
+                <span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Weather
+            </NavLink>
+        </div>
+    </nav>
+</div>
+

LibraryManagement.Frontend/Components/Layout/NavMenu.razor.css

@@ -0,0 +1,105 @@
+.navbar-toggler {
+    appearance: none;
+    cursor: pointer;
+    width: 3.5rem;
+    height: 2.5rem;
+    color: white;
+    position: absolute;
+    top: 0.5rem;
+    right: 1rem;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") no-repeat center/1.75rem rgba(255, 255, 255, 0.1);
+}
+
+.navbar-toggler:checked {
+    background-color: rgba(255, 255, 255, 0.5);
+}
+
+.top-row {
+    height: 3.5rem;
+    background-color: rgba(0,0,0,0.4);
+}
+
+.navbar-brand {
+    font-size: 1.1rem;
+}
+
+.bi {
+    display: inline-block;
+    position: relative;
+    width: 1.25rem;
+    height: 1.25rem;
+    margin-right: 0.75rem;
+    top: -1px;
+    background-size: cover;
+}
+
+.bi-house-door-fill-nav-menu {
+    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E");
+}
+
+.bi-plus-square-fill-nav-menu {
+    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-plus-square-fill' viewBox='0 0 16 16'%3E%3Cpath d='M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm6.5 4.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3a.5.5 0 0 1 1 0z'/%3E%3C/svg%3E");
+}
+
+.bi-list-nested-nav-menu {
+    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.5 11.5A.5.5 0 0 1 5 11h10a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 3 7h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 1 3h10a.5.5 0 0 1 0 1H1a.5.5 0 0 1-.5-.5z'/%3E%3C/svg%3E");
+}
+
+.nav-item {
+    font-size: 0.9rem;
+    padding-bottom: 0.5rem;
+}
+
+    .nav-item:first-of-type {
+        padding-top: 1rem;
+    }
+
+    .nav-item:last-of-type {
+        padding-bottom: 1rem;
+    }
+
+    .nav-item ::deep .nav-link {
+        color: #d7d7d7;
+        background: none;
+        border: none;
+        border-radius: 4px;
+        height: 3rem;
+        display: flex;
+        align-items: center;
+        line-height: 3rem;
+        width: 100%;
+    }
+
+.nav-item ::deep a.active {
+    background-color: rgba(255,255,255,0.37);
+    color: white;
+}
+
+.nav-item ::deep .nav-link:hover {
+    background-color: rgba(255,255,255,0.1);
+    color: white;
+}
+
+.nav-scrollable {
+    display: none;
+}
+
+.navbar-toggler:checked ~ .nav-scrollable {
+    display: block;
+}
+
+@media (min-width: 641px) {
+    .navbar-toggler {
+        display: none;
+    }
+
+    .nav-scrollable {
+        /* Never collapse the sidebar for wide screens */
+        display: block;
+
+        /* Allow sidebar to scroll for tall menus */
+        height: calc(100vh - 3.5rem);
+        overflow-y: auto;
+    }
+}

LibraryManagement.Frontend/Components/Pages/Counter.razor

@@ -0,0 +1,19 @@
+@page "/counter"
+@rendermode InteractiveServer
+
+<PageTitle>Counter</PageTitle>
+
+<h1>Counter</h1>
+
+<p role="status">Current count: @currentCount</p>
+
+<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
+
+@code {
+    private int currentCount = 0;
+
+    private void IncrementCount()
+    {
+        currentCount++;
+    }
+}

LibraryManagement/Views/Shared/Error.cshtml → LibraryManagement.Frontend/Components/Pages/Error.razor

@@ -1,15 +1,15 @@
-@model ErrorViewModel
-@{
-    ViewData["Title"] = "Error";
-}
+@page "/Error"
+@using System.Diagnostics
+
+<PageTitle>Error</PageTitle>
 
 <h1 class="text-danger">Error.</h1>
 <h2 class="text-danger">An error occurred while processing your request.</h2>
 
-@if (Model.ShowRequestId)
+@if (ShowRequestId)
 {
     <p>
-        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+        <strong>Request ID:</strong> <code>@RequestId</code>
     </p>
 }
 
@@ -23,3 +23,14 @@
     For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
     and restarting the app.
 </p>
+
+@code{
+    [CascadingParameter]
+    private HttpContext? HttpContext { get; set; }
+
+    private string? RequestId { get; set; }
+    private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+    protected override void OnInitialized() =>
+        RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
+}

LibraryManagement.Frontend/Components/Pages/Home.razor

@@ -0,0 +1,7 @@
+@page "/"
+
+<PageTitle>Home</PageTitle>
+
+<h1>Hello, world!</h1>
+
+Welcome to your new app.

LibraryManagement.Frontend/Components/Pages/Weather.razor

@@ -0,0 +1,64 @@
+@page "/weather"
+@attribute [StreamRendering]
+
+<PageTitle>Weather</PageTitle>
+
+<h1>Weather</h1>
+
+<p>This component demonstrates showing data.</p>
+
+@if (forecasts == null)
+{
+    <p><em>Loading...</em></p>
+}
+else
+{
+    <table class="table">
+        <thead>
+            <tr>
+                <th>Date</th>
+                <th>Temp. (C)</th>
+                <th>Temp. (F)</th>
+                <th>Summary</th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach (var forecast in forecasts)
+            {
+                <tr>
+                    <td>@forecast.Date.ToShortDateString()</td>
+                    <td>@forecast.TemperatureC</td>
+                    <td>@forecast.TemperatureF</td>
+                    <td>@forecast.Summary</td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+
+@code {
+    private WeatherForecast[]? forecasts;
+
+    protected override async Task OnInitializedAsync()
+    {
+        // Simulate asynchronous loading to demonstrate streaming rendering
+        await Task.Delay(500);
+
+        var startDate = DateOnly.FromDateTime(DateTime.Now);
+        var summaries = new[] { "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching" };
+        forecasts = Enumerable.Range(1, 5).Select(index => new WeatherForecast
+        {
+            Date = startDate.AddDays(index),
+            TemperatureC = Random.Shared.Next(-20, 55),
+            Summary = summaries[Random.Shared.Next(summaries.Length)]
+        }).ToArray();
+    }
+
+    private class WeatherForecast
+    {
+        public DateOnly Date { get; set; }
+        public int TemperatureC { get; set; }
+        public string? Summary { get; set; }
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+    }
+}

LibraryManagement.Frontend/Components/Routes.razor

@@ -0,0 +1,6 @@
+<Router AppAssembly="typeof(Program).Assembly">
+    <Found Context="routeData">
+        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)" />
+        <FocusOnNavigate RouteData="routeData" Selector="h1" />
+    </Found>
+</Router>

LibraryManagement.Frontend/Components/_Imports.razor

@@ -0,0 +1,10 @@
+@using System.Net.Http
+@using System.Net.Http.Json
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using static Microsoft.AspNetCore.Components.Web.RenderMode
+@using Microsoft.AspNetCore.Components.Web.Virtualization
+@using Microsoft.JSInterop
+@using LibraryManagement.Frontend
+@using LibraryManagement.Frontend.Components

{LibraryManagement → LibraryManagement.Frontend}/Program.cs

@@ -1,27 +1,27 @@
+using LibraryManagement.Frontend.Components;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
-builder.Services.AddControllersWithViews();
+builder.Services.AddRazorComponents()
+    .AddInteractiveServerComponents();
 
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
 if (!app.Environment.IsDevelopment())
 {
-    app.UseExceptionHandler("/Home/Error");
+    app.UseExceptionHandler("/Error", createScopeForErrors: true);
     // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
     app.UseHsts();
 }
 
 app.UseHttpsRedirection();
-app.UseStaticFiles();
 
-app.UseRouting();
-
-app.UseAuthorization();
+app.UseStaticFiles();
+app.UseAntiforgery();
 
-app.MapControllerRoute(
-    name: "default",
-    pattern: "{controller=Home}/{action=Index}/{id?}");
+app.MapRazorComponents<App>()
+    .AddInteractiveServerRenderMode();
 
 app.Run();

LibraryManagement.Frontend/Properties/launchSettings.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+    "iisSettings": {
+      "windowsAuthentication": false,
+      "anonymousAuthentication": true,
+      "iisExpress": {
+        "applicationUrl": "http://localhost:63301",
+        "sslPort": 44390
+      }
+    },
+    "profiles": {
+      "http": {
+        "commandName": "Project",
+        "dotnetRunMessages": true,
+        "launchBrowser": true,
+        "applicationUrl": "http://localhost:5008",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      },
+      "https": {
+        "commandName": "Project",
+        "dotnetRunMessages": true,
+        "launchBrowser": true,
+        "applicationUrl": "https://localhost:7187;http://localhost:5008",
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      },
+      "IIS Express": {
+        "commandName": "IISExpress",
+        "launchBrowser": true,
+        "environmentVariables": {
+          "ASPNETCORE_ENVIRONMENT": "Development"
+        }
+      }
+    }
+  }

LibraryManagement.Frontend/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

LibraryManagement.Frontend/wwwroot/app.css

@@ -0,0 +1,51 @@
+html, body {
+    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
+}
+
+a, .btn-link {
+    color: #006bb7;
+}
+
+.btn-primary {
+    color: #fff;
+    background-color: #1b6ec2;
+    border-color: #1861ac;
+}
+
+.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
+  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
+}
+
+.content {
+    padding-top: 1.1rem;
+}
+
+h1:focus {
+    outline: none;
+}
+
+.valid.modified:not([type=checkbox]) {
+    outline: 1px solid #26b050;
+}
+
+.invalid {
+    outline: 1px solid #e50000;
+}
+
+.validation-message {
+    color: #e50000;
+}
+
+.blazor-error-boundary {
+    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
+    padding: 1rem 1rem 1rem 3.7rem;
+    color: white;
+}
+
+    .blazor-error-boundary::after {
+        content: "An error has occurred."
+    }
+
+.darker-border-checkbox.form-check-input {
+    border-color: #929292;
+}

LibraryManagement.slnx

@@ -1,3 +1,5 @@
 <Solution>
-  <Project Path="LibraryManagement/LibraryManagement.csproj" />
+  <Project Path="Database/Database.csproj" Id="1ec23dc7-355d-4456-a503-cfd0fb81cd5c" />
+  <Project Path="LibraryManagement.Backend/LibraryManagement.Backend.csproj" Id="82e311b1-ce76-4235-9d5f-0d06a942d038" />
+  <Project Path="LibraryManagement.Frontend/LibraryManagement.Frontend.csproj" Id="4209546e-83fd-4d5c-8707-47c86053d9a8" />
 </Solution>

LibraryManagement/Controllers/HomeController.cs

@@ -1,32 +0,0 @@
-using LibraryManagement.Models;
-using Microsoft.AspNetCore.Mvc;
-using System.Diagnostics;
-
-namespace LibraryManagement.Controllers
-{
-    public class HomeController : Controller
-    {
-        private readonly ILogger<HomeController> _logger;
-
-        public HomeController(ILogger<HomeController> logger)
-        {
-            _logger = logger;
-        }
-
-        public IActionResult Index()
-        {
-            return View();
-        }
-
-        public IActionResult Privacy()
-        {
-            return View();
-        }
-
-        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
-        public IActionResult Error()
-        {
-            return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
-        }
-    }
-}

LibraryManagement/Models/ErrorViewModel.cs

@@ -1,9 +0,0 @@
-namespace LibraryManagement.Models
-{
-    public class ErrorViewModel
-    {
-        public string? RequestId { get; set; }
-
-        public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
-    }
-}

LibraryManagement/Views/Home/Index.cshtml

@@ -1,8 +0,0 @@
-@{
-    ViewData["Title"] = "Home Page";
-}
-
-<div class="text-center">
-    <h1 class="display-4">Welcome</h1>
-    <p>Learn about <a href="https://learn.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
-</div>

LibraryManagement/Views/Home/Privacy.cshtml

@@ -1,6 +0,0 @@
-@{
-    ViewData["Title"] = "Privacy Policy";
-}
-<h1>@ViewData["Title"]</h1>
-
-<p>Use this page to detail your site's privacy policy.</p>

LibraryManagement/Views/Shared/_Layout.cshtml

@@ -1,49 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-<head>
-    <meta charset="utf-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>@ViewData["Title"] - LibraryManagement</title>
-    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
-    <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
-    <link rel="stylesheet" href="~/LibraryManagement.styles.css" asp-append-version="true" />
-</head>
-<body>
-    <header>
-        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
-            <div class="container-fluid">
-                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">LibraryManagement</a>
-                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" aria-controls="navbarSupportedContent"
-                        aria-expanded="false" aria-label="Toggle navigation">
-                    <span class="navbar-toggler-icon"></span>
-                </button>
-                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
-                    <ul class="navbar-nav flex-grow-1">
-                        <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
-                        </li>
-                        <li class="nav-item">
-                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
-                        </li>
-                    </ul>
-                </div>
-            </div>
-        </nav>
-    </header>
-    <div class="container">
-        <main role="main" class="pb-3">
-            @RenderBody()
-        </main>
-    </div>
-
-    <footer class="border-top footer text-muted">
-        <div class="container">
-            &copy; 2026 - LibraryManagement - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
-        </div>
-    </footer>
-    <script src="~/lib/jquery/dist/jquery.min.js"></script>
-    <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
-    <script src="~/js/site.js" asp-append-version="true"></script>
-    @await RenderSectionAsync("Scripts", required: false)
-</body>
-</html>

LibraryManagement/Views/Shared/_Layout.cshtml.css

@@ -1,48 +0,0 @@
-/* Please see documentation at https://learn.microsoft.com/aspnet/core/client-side/bundling-and-minification
-for details on configuring this project to bundle and minify static web assets. */
-
-a.navbar-brand {
-  white-space: normal;
-  text-align: center;
-  word-break: break-all;
-}
-
-a {
-  color: #0077cc;
-}
-
-.btn-primary {
-  color: #fff;
-  background-color: #1b6ec2;
-  border-color: #1861ac;
-}
-
-.nav-pills .nav-link.active, .nav-pills .show > .nav-link {
-  color: #fff;
-  background-color: #1b6ec2;
-  border-color: #1861ac;
-}
-
-.border-top {
-  border-top: 1px solid #e5e5e5;
-}
-.border-bottom {
-  border-bottom: 1px solid #e5e5e5;
-}
-
-.box-shadow {
-  box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .05);
-}
-
-button.accept-policy {
-  font-size: 1rem;
-  line-height: inherit;
-}
-
-.footer {
-  position: absolute;
-  bottom: 0;
-  width: 100%;
-  white-space: nowrap;
-  line-height: 60px;
-}

LibraryManagement/Views/Shared/_ValidationScriptsPartial.cshtml

@@ -1,2 +0,0 @@
-<script src="~/lib/jquery-validation/dist/jquery.validate.min.js"></script>
-<script src="~/lib/jquery-validation-unobtrusive/jquery.validate.unobtrusive.min.js"></script>

LibraryManagement/Views/_ViewImports.cshtml

@@ -1,3 +0,0 @@
-@using LibraryManagement
-@using LibraryManagement.Models
-@addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers