Made a start on the issues rework

src/Ombi.Core/Engine/V2/IssuesEngine.cs

@@ -0,0 +1,59 @@
+using Microsoft.EntityFrameworkCore;
+using Ombi.Store.Entities.Requests;
+using Ombi.Store.Repository;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Ombi.Core.Engine.V2
+{
+
+    public interface IIssuesEngine
+    {
+        Task<IEnumerable<IssuesSummaryModel>> GetIssues(int position, int take, IssueStatus status);
+    }
+
+    public class IssuesEngine : IIssuesEngine
+    {
+        private readonly IRepository<IssueCategory> _categories;
+        private readonly IRepository<Issues> _issues;
+        private readonly IRepository<IssueComments> _comments;
+
+        public IssuesEngine(IRepository<IssueCategory> categories,
+            IRepository<Issues> issues,
+            IRepository<IssueComments> comments)
+        {
+            _categories = categories;
+            _issues = issues;
+            _comments = comments;
+        }
+
+        public async Task<IEnumerable<IssuesSummaryModel>> GetIssues(int position, int take, IssueStatus status)
+        {
+            var issues = await _issues.GetAll().Where(x => x.Status == status).Skip(position).Take(take).ToListAsync();
+            var grouped = issues.GroupBy(x => x.Title, (key, g) => new { Title = key, Issues = g });
+            
+            var model = new List<IssuesSummaryModel>();
+
+            foreach(var group in grouped)
+            {
+                model.Add(new IssuesSummaryModel
+                {
+                    Count = group.Issues.Count(),
+                    Title = group.Title,
+                    Issues = group.Issues
+                });
+            }
+
+            return model;
+        }
+
+    }
+
+    public class IssuesSummaryModel
+    {
+        public string Title { get; set; }
+        public int Count { get; set; }
+        public IEnumerable<Issues> Issues { get; set; }
+    }
+}