1 files changed, 53 insertions, 0 deletions
diff --git a/VNLib.Plugins.Essentials.Content.Routing/RouteComparer.cs b/VNLib.Plugins.Essentials.Content.Routing/RouteComparer.cs
new file mode 100644
index 0000000..ed455f5
--- /dev/null
+++ b/VNLib.Plugins.Essentials.Content.Routing/RouteComparer.cs
@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+
+using VNLib.Plugins.Essentials.Content.Routing.Model;
+
+using static VNLib.Plugins.Essentials.Accounts.AccountManager;
+
+namespace VNLib.Plugins.Essentials.Content.Routing
+{
+    /// <summary>
+    /// Sorts routing rules based on closest match path/hostname routing along with privilage priority
+    /// </summary>
+    internal class RouteComparer : IComparer<Route>
+    {
+        //The idea is that hostnames without wildcards are exact, and hostnames with wildcards are "catch all"
+        public int Compare(Route x, Route y)
+        {
+            int val = 0;
+            //If x contains a wildcard in the hostname, then it is less than y
+            if (x.Hostname.Contains('*'))
+            {
+                val--;
+            }
+            //If y containts a wildcard, then y is less than x
+            if (y.Hostname.Contains('*'))
+            {
+                val++;
+            }
+            //If there was no wildcard, check paths
+            if (val == 0)
+            {
+                //If x containts a wildcard in the path, then x is less than y
+                if (x.MatchPath.Contains('*'))
+                {
+                    val--;
+                }
+                //If y containts a wildcard in the path, then y is less than x
+                if (y.MatchPath.Contains('*'))
+                {
+                    val++;
+
+                }
+            }
+            //If hostnames and paths are stil equal, check privilage level
+            if (val == 0)
+            {
+                //Higher privilage routine is greater than lower privilage
+                val = (x.Privilage & LEVEL_MSK) > (y.Privilage & LEVEL_MSK) ? 1 : -1;
+            }
+            //If both contain (or are) wildcards, then they are equal
+            return val;
+        }
+    }
+}