Refactor BL foorum service to use a factory for DTOS

BL/BL.csproj

@@ -42,6 +42,7 @@
   <ItemGroup>
     <Compile Include="DTOs\FoorumDTO.cs" />
     <Compile Include="DTOs\PostDTO.cs" />
+    <Compile Include="Factories\FoorumFactory.cs" />
     <Compile Include="Interfaces\IFoorumService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Services\FoorumService.cs" />

BL/Factories/FoorumFactory.cs

@@ -0,0 +1,46 @@
+
+using System;
+using System.Collections.Generic;
+using BL.DTOs;
+using DAL.Domain;
+
+namespace BL.Factories
+{
+    public class FoorumFactory
+    {
+        public FoorumDTO Create(Foorum f, bool withPosts = false)
+        {
+            var dto = new FoorumDTO()
+            {
+                FoorumId = f.FoorumId,
+                Title = f.Title,
+                Author = f.Author,
+                Body = f.Body,
+                CreationTime = f.CreationTime,
+                Description = f.Description,
+                Visible = f.Visible
+            };
+
+            if (withPosts)
+            {
+                throw new NotImplementedException();
+                //dto.Posts = new List<PostDTO>();
+                //f.Posts.ForEach(p => {dto.Posts.Add();});
+            }
+
+            return dto;
+        }
+
+        public Foorum Create(FoorumDTO f)
+        {
+            return new Foorum()
+            {
+                Author = f.Author,
+                Body = f.Body,
+                CreationTime = f.CreationTime,
+                Description = f.Description,
+                Title = f.Title
+            };
+        }
+    }
+}

BL/Services/FoorumService.cs

@@ -5,6 +5,7 @@ using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 using BL.DTOs;
+using BL.Factories;
 using BL.Interfaces;
 using DAL.Domain;
 using DAL.Interfaces;
@@ -13,32 +14,19 @@ namespace BL.Services
 {
     public class FoorumService : IFoorumService
     {
-        private IFoorumRepository _foorumRepository;
+        private readonly IFoorumRepository _foorumRepository;
+        private readonly FoorumFactory _factory;
         public FoorumService(IFoorumRepository foorumRepository)
         {
             _foorumRepository = foorumRepository;
+            _factory = new FoorumFactory();
         }
         public FoorumDTO Add(FoorumDTO foorum)
         {
-            var foorumDomain = new Foorum()
-            {
-                Author = foorum.Author,
-                Body = foorum.Body,
-                CreationTime = DateTime.Now,
-                Description = foorum.Description,
-                Title = foorum.Title
-            };
+            var foorumDomain = _factory.Create(foorum);
+            foorumDomain.CreationTime = DateTime.Now;
             var f = _foorumRepository.Add(foorumDomain);
-            return new FoorumDTO()
-            {
-                FoorumId = f.FoorumId,
-                Title = f.Title,
-                Author = f.Author,
-                Body = f.Body,
-                CreationTime = f.CreationTime,
-                Description = f.Description,
-                Visible = f.Visible
-            };
+            return _factory.Create(f);
         }
 
         public void AddPost(int id, PostDTO post)
@@ -60,16 +48,7 @@ namespace BL.Services
         {
             foreach (var f in _foorumRepository.GetAll())
             {
-                yield return new FoorumDTO()
-                {
-                    FoorumId = f.FoorumId,
-                    Title = f.Title,
-                    Author = f.Author,
-                    Body = f.Body,
-                    CreationTime = f.CreationTime,
-                    Description = f.Description,
-                    Visible = f.Visible
-                };
+                yield return _factory.Create(f);
             }
             
         }