From 05ccb4d8f1bbe3fb64e117136b4a89bcfb0b0b33 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 .../Timeline/Routes/ApiRoutePrefixConvention.cs    | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 BackEnd/Timeline/Routes/ApiRoutePrefixConvention.cs

(limited to 'BackEnd/Timeline/Routes/ApiRoutePrefixConvention.cs')

diff --git a/BackEnd/Timeline/Routes/ApiRoutePrefixConvention.cs b/BackEnd/Timeline/Routes/ApiRoutePrefixConvention.cs
new file mode 100644
index 00000000..ca38a0d9
--- /dev/null
+++ b/BackEnd/Timeline/Routes/ApiRoutePrefixConvention.cs
@@ -0,0 +1,46 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.ApplicationModels;
+using Microsoft.AspNetCore.Mvc.Infrastructure;
+using Microsoft.AspNetCore.Mvc.Routing;
+using System.Linq;
+
+namespace Timeline.Routes
+{
+    public static class MvcOptionsExtensions
+    {
+        public static void UseApiRoutePrefix(this MvcOptions opts, IRouteTemplateProvider routeAttribute)
+        {
+            opts.Conventions.Add(new ApiRoutePrefixConvention(routeAttribute));
+        }
+
+        public static void UseApiRoutePrefix(this MvcOptions opts, string prefix)
+        {
+            opts.UseApiRoutePrefix(new RouteAttribute(prefix));
+        }
+    }
+
+    public class ApiRoutePrefixConvention : IApplicationModelConvention
+    {
+        private readonly AttributeRouteModel _routePrefix;
+
+        public ApiRoutePrefixConvention(IRouteTemplateProvider route)
+        {
+            _routePrefix = new AttributeRouteModel(route);
+        }
+
+        public void Apply(ApplicationModel application)
+        {
+            foreach (var selector in application.Controllers.Where(c => c.Filters.Any(f => f is IApiBehaviorMetadata)).SelectMany(c => c.Selectors))
+            {
+                if (selector.AttributeRouteModel != null)
+                {
+                    selector.AttributeRouteModel = AttributeRouteModel.CombineAttributeRouteModel(_routePrefix, selector.AttributeRouteModel);
+                }
+                else
+                {
+                    selector.AttributeRouteModel = _routePrefix;
+                }
+            }
+        }
+    }
+}
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