Add post, fix delete forum, fix null pointer exceptions, min max limist

on database strings

BL/Factories/FoorumFactory.cs

@@ -2,13 +2,19 @@
 using System;
 using System.Collections.Generic;
 using BL.DTOs;
+using BL.Interfaces;
 using DAL.Domain;
 
 namespace BL.Factories
 {
     public class FoorumFactory
     {
-        private readonly PostFactory _postFactory = new PostFactory();
+        private readonly PostFactory _postFactory;
+
+        public FoorumFactory(IFoorumService forumService)
+        {
+            _postFactory = new PostFactory(forumService);
+        }
         public FoorumDTO Create(Foorum f, bool withPosts = false)
         {
             var dto = new FoorumDTO()

BL/Factories/PostFactory.cs

@@ -4,12 +4,18 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using BL.DTOs;
+using BL.Interfaces;
 using DAL.Domain;
 
 namespace BL.Factories
 {
     public class PostFactory
     {
+        private readonly IFoorumService _foorumService;
+        public PostFactory(IFoorumService foorumService)
+        {
+            _foorumService = foorumService;
+        }
 
         public PostDTO Create(Post p, bool withForum=false)
         {
@@ -24,10 +30,23 @@ namespace BL.Factories
 
             if (withForum)
             {
-                throw new NotImplementedException();
+                dto.Foorum = _foorumService.Get(p.ForumId, withPosts:false);
             }
 
             return dto;
         }
+
+        public Post Create(PostDTO p)
+        {
+            var domain = new Post()
+            {
+                PostId = p.PostId,
+                Title = p.Title,
+                Author = p.Author,
+                Body = p.Body,
+                CreationTime = p.CreationTime,
+            };
+            return domain;
+        }
     }
 }