Optimize authors

BenchmarkService.cs

@@ -1,6 +1,7 @@
 using BenchmarkDotNet.Attributes;
 using Microsoft.EntityFrameworkCore;
 using OptimizeMePlease.Context;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -86,11 +87,36 @@ public List<AuthorDTO> GetAuthors()
         }
 
         [Benchmark]
-        public List<AuthorDTO> GetAuthors_Optimized()
+        public List<MyAuthorDTO> GetAuthors_Optimized()
         {
-            List<AuthorDTO> authors = new List<AuthorDTO>();
+            using var context = new AppDbContext();
+            var date = new DateTime(1900, 1, 1);
+
+            var authors = context.Authors
+                .Include(b => b.Books.Where(by => by.Published < date))
+                .AsNoTracking()
+                .Where(a => a.Country == "Serbia" && a.Age == 27)
+                .OrderByDescending(a => a.BooksCount)
+                .Select(author => new MyAuthorDTO
+                {
+
+                    UserFirstName = author.User.FirstName,
+                    UserLastName = author.User.LastName,
+                    UserEmail = author.User.Email,
+                    UserName = author.User.UserName,
+                    AuthorAge = author.Age,
+                    AuthorCountry = author.Country,
+                    AllBooks = author.Books.Select(y => new MyBookDTO
+                    {
+                        Name = y.Name,
+                        PublishedYear = y.Published.Year
+
+                    })
+                }).Take(2).ToList();
+
 
             return authors;
         }
     }
 }
+

Context/AppDbContext.cs

@@ -7,7 +7,7 @@ public class AppDbContext : DbContext
     {
         protected override void OnConfiguring(DbContextOptionsBuilder options)
         {
-            options.UseSqlServer("Server=localhost;Database=OptimizeMePlease;Trusted_Connection=True;Integrated Security=true;MultipleActiveResultSets=true");
+            options.UseSqlServer(@"Data Source=(localdb)\mssqllocaldb;Initial Catalog=OptimizeMePlease;Integrated Security=True");
         }
 
         protected override void OnModelCreating(ModelBuilder modelBuilder)

MyAuthorDTO.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OptimizeMePlease
+{
+    public class MyAuthorDTO
+    {
+        public string UserFirstName { get; set; }
+        public string UserLastName { get; set; }
+        public string UserName { get; set; }
+        public string UserEmail { get; set; }
+        public int AuthorAge { get; set; }
+        public string AuthorCountry { get; set; }
+        public IEnumerable<MyBookDTO> AllBooks { get; set; }
+    }
+}

MyBookDTO.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OptimizeMePlease
+{
+    public class MyBookDTO
+    {
+        public string Name { get; set; }
+        public int PublishedYear { get; set; }
+    }
+}

OptimizeMePlease.csproj

@@ -2,16 +2,16 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net6</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="BenchmarkDotNet" Version="0.13.2"/>
+    <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

@@ -25,17 +25,17 @@ static void Main(string[] args)
         {
             //Debugging 
             BenchmarkService benchmarkService = new BenchmarkService();
-            benchmarkService.GetAuthors();
+            //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 sqlConnectionString = @"Data Source=(localdb)\mssqllocaldb;Initial Catalog=OptimizeMePlease;Integrated Security=True";
 
             string workingDirectory = Environment.CurrentDirectory;
             string path = Path.Combine(Directory.GetParent(workingDirectory).Parent.Parent.FullName, @"script.sql");