added support for url mapping and viitors

Oqtane.Server/Repository/VisitorRepository.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.EntityFrameworkCore;
+using Oqtane.Models;
+
+namespace Oqtane.Repository
+{
+    public class VisitorRepository : IVisitorRepository
+    {
+        private TenantDBContext _db;
+
+        public VisitorRepository(TenantDBContext context)
+        {
+            _db = context;
+        }
+            
+        public IEnumerable<Visitor> GetVisitors(int siteId, DateTime fromDate)
+        {
+            return _db.Visitor.AsNoTracking()
+                .Include(item => item.User) // eager load users
+                .Where(item => item.SiteId == siteId && item.VisitedOn >= fromDate);
+        }
+
+        public Visitor AddVisitor(Visitor visitor)
+        {
+            _db.Visitor.Add(visitor);
+            _db.SaveChanges();
+            return visitor;
+        }
+
+        public Visitor UpdateVisitor(Visitor visitor)
+        {
+            _db.Entry(visitor).State = EntityState.Modified;
+            _db.SaveChanges();
+            return visitor;
+        }
+
+        public Visitor GetVisitor(int visitorId)
+        {
+            return _db.Visitor.Find(visitorId);
+        }
+
+        public void DeleteVisitor(int visitorId)
+        {
+            Visitor visitor = _db.Visitor.Find(visitorId);
+            _db.Visitor.Remove(visitor);
+            _db.SaveChanges();
+        }
+    }
+}