optimized GetAuthor method

BenchmarkService.cs

@@ -19,7 +19,7 @@ public BenchmarkService()
         /// and all his/her books (Book Name/Title and Publishment Year) published before 1900
         /// </summary>
         /// <returns></returns>
-        [Benchmark]
+        [Benchmark(Baseline = true)]
         public List<AuthorDTO> GetAuthors()
         {
             using var dbContext = new AppDbContext();
@@ -88,9 +88,40 @@ public List<AuthorDTO> GetAuthors()
         [Benchmark]
         public List<AuthorDTO> GetAuthors_Optimized()
         {
-            List<AuthorDTO> authors = new List<AuthorDTO>();
-
-            return authors;
+            using var dbContext = new AppDbContext();
+            return dbContext.Authors
+            .Where(x => x.Country == "Serbia" && x.Age == 27)
+            .OrderByDescending(x => x.BooksCount)
+            .Take(2)
+            .Include(x => x.User)
+            .ThenInclude(x => x.UserRoles)
+            .ThenInclude(x => x.Role)
+            .Include(x => x.Books)
+            .ThenInclude(x => x.Publisher)
+            .Select(x => new AuthorDTO {
+                UserCreated = x.User.Created,
+                UserEmailConfirmed = x.User.EmailConfirmed,
+                UserFirstName = x.User.FirstName,
+                UserLastActivity = x.User.LastActivity,
+                UserLastName = x.User.LastName,
+                UserEmail = x.User.Email,
+                UserName = x.User.UserName,
+                UserId = x.User.Id,
+                RoleId = x.User.UserRoles.FirstOrDefault(y => y.UserId == x.UserId).RoleId,
+                BooksCount = x.BooksCount,
+                AllBooks = x.Books.Where(y => y.Published.Year < 1900).Select(y => new BookDto {
+                    Id = y.Id,
+                    Name = y.Name,
+                    Published = y.Published,
+                    ISBN = y.ISBN,
+                    PublisherName = y.Publisher.Name
+                }).ToList(),
+                AuthorAge = x.Age,
+                AuthorCountry = x.Country,
+                AuthorNickName = x.NickName,
+                Id = x.Id
+            })
+            .ToList();
         }
     }
 }

Context/AppDbContext.cs

@@ -5,9 +5,10 @@ namespace OptimizeMePlease.Context
 {
     public class AppDbContext : DbContext
     {
+        public static readonly string sqlConnectionString = @"Server=.;Database=OptimizeMePlease;Trusted_Connection=True;Integrated Security=true;MultipleActiveResultSets=true";
         protected override void OnConfiguring(DbContextOptionsBuilder options)
         {
-            options.UseSqlServer("Server=localhost;Database=OptimizeMePlease;Trusted_Connection=True;Integrated Security=true;MultipleActiveResultSets=true");
+            options.UseSqlServer(sqlConnectionString);
         }
 
         protected override void OnModelCreating(ModelBuilder modelBuilder)

OptimizeMePlease.csproj

@@ -2,16 +2,16 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.13.2" />
-    <PackageReference Include="Bogus" Version="34.0.2" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.29" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="3.1.29" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.29" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.29">
+    <!--<PackageReference Include="Bogus" Version="34.0.2" />-->
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.9" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="6.0.9" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.9" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.9">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

Program.cs

@@ -4,6 +4,7 @@
 using Microsoft.SqlServer.Management.Smo;
 using System;
 using System.IO;
+using OptimizeMePlease.Context;
 
 namespace OptimizeMePlease
 {
@@ -24,24 +25,22 @@ public class Program
         static void Main(string[] args)
         {
             //Debugging 
-            BenchmarkService benchmarkService = new BenchmarkService();
-            benchmarkService.GetAuthors();
+            // BenchmarkService benchmarkService = new BenchmarkService();
+            //benchmarkService.GetAuthors();
 
             //Comment me after first execution, please.
             //IWillPopulateData();
 
-            //BenchmarkRunner.Run<BenchmarkService>();
+            BenchmarkRunner.Run<BenchmarkService>();
         }
 
         public static void IWillPopulateData()
         {
-            string sqlConnectionString = @"Server=localhost;Database=OptimizeMePlease;Trusted_Connection=True;Integrated Security=true;MultipleActiveResultSets=true";
-
             string workingDirectory = Environment.CurrentDirectory;
             string path = Path.Combine(Directory.GetParent(workingDirectory).Parent.Parent.FullName, @"script.sql");
             string script = File.ReadAllText(path);
 
-            SqlConnection conn = new SqlConnection(sqlConnectionString);
+            SqlConnection conn = new SqlConnection(AppDbContext.sqlConnectionString);
 
             Server server = new Server(new ServerConnection(conn));