Added the domain part

Application/Application.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Domain/Domain.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Domain/Entities/Spell.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Domain.Entities
+{
+    public class Spell
+    {
+        public Guid Id { get; set; }
+        public required string Name { get; set; }
+        public required string Type { get; set; }
+        public required string Description { get; set; }
+        public required string Creator { get; set; }
+        public required DateTime CreationDate { get; set; }
+    }
+}

Domain/Filters/SpellFilter.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Domain.Filters
+{
+    public class SpellFilter
+    {
+        public Guid? Id { get; set; }
+        public string? Name { get; set; }
+        public string? Type { get; set; }
+        public string? Description { get; set; }
+        public string? Creator { get; set; }
+        public DateTime? FromDate { get; set; }
+        public DateTime? ToDate { get; set; }
+
+    }
+}

Domain/Repositories/ISpellRepository.cs

@@ -0,0 +1,20 @@
+using Domain.Entities;
+using Domain.Filters;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Domain.Repositories
+{
+    public interface ISpellRepository
+    {
+        Task<ICollection<Spell>> GetAll();
+        Task<Spell> GetSpellById(Guid id);
+        Task<ICollection<Spell>> GetFilteredSpells(SpellFilter spellfilter);
+        Task<Spell> UpdateSpell(Spell spell);
+        Task<string> DeleteSpell(Spell spell);
+        Task<Spell> CreateSpell(Spell spell);
+    }
+}

Infrastructure/Infrastructure.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

Liber_Incantamentum.Application/Liber_Incantamentum.Application.csproj

@@ -7,9 +7,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="DTOs\" />
-    <Folder Include="Interfaces\" />
-    <Folder Include="Services\" />
   </ItemGroup>
 
 </Project>

Liber_Incantamentum.Domain/Liber_Incantamentum.Domain.csproj

@@ -7,11 +7,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="Entities\" />
-    <Folder Include="Exceptions\" />
-    <Folder Include="DomainEvents\" />
-    <Folder Include="ValueObjects\" />
-    <Folder Include="Repositories\" />
   </ItemGroup>
 
 </Project>

Liber_Incantamentum.Infrastructure/Liber_Incantamentum.Infrastructure.csproj

@@ -7,8 +7,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="Data\" />
-    <Folder Include="Repositories\" />
   </ItemGroup>
 
 </Project>

Liber_Incantamentum.Tests/Liber_Incantamentum.Tests.csproj

@@ -7,8 +7,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="IntegrationTests\" />
-    <Folder Include="UnitTests\" />
   </ItemGroup>
 
 </Project>

Liber_Incantamentum/API.csproj

@@ -11,8 +11,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Folder Include="Controllers\" />
-    <Folder Include="Middlewares\" />
   </ItemGroup>
 
 </Project>

Tests/Tests.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>