Initial commit

Oqtane.Server/Repository/TenantRepository.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Oqtane.Models;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace Oqtane.Repository
+{
+    public class TenantRepository : ITenantRepository
+    {
+        private HostContext db;
+        private readonly IMemoryCache _cache;
+        private readonly string alias;
+
+        public TenantRepository(HostContext context, IMemoryCache cache, IHttpContextAccessor accessor)
+        {
+            db = context;
+            _cache = cache;
+
+            // get site alias based on request context
+            alias = accessor.HttpContext.Request.Host.Value;
+            string path = accessor.HttpContext.Request.Path.Value;
+            if (path.StartsWith("/~") && !path.StartsWith("/~/"))
+            {
+                alias += path.Substring(0, path.IndexOf("/", 1));
+            }
+        }
+
+        public Tenant GetTenant()
+        {
+            try
+            {
+                IEnumerable<Tenant> tenants = _cache.GetOrCreate("tenants", entry =>
+                {
+                    entry.SlidingExpiration = TimeSpan.FromMinutes(30);
+                    return db.Tenant.ToList();
+                });
+                Tenant tenant;
+                if (tenants.Count() == 1)
+                {
+                    tenant = tenants.FirstOrDefault();
+                }
+                else
+                {
+                    tenant = tenants.Where(item => item.Alias == alias).FirstOrDefault();
+                }
+                return tenant;
+            }
+            catch
+            {
+                throw;
+            }
+        }
+    }
+}