Multiword aliases are once again supported

src/NadekoBot/Modules/Utility/CommandMap/CommandMapService.cs

@@ -57,30 +57,20 @@ public class CommandMapService : IInputTransformer, INService
         
         if (AliasMaps.TryGetValue(guild.Id, out var maps))
         {
-            string word;
-            var index = input.IndexOf(' ', StringComparison.InvariantCulture);
-            if (index == -1)
+            string newInput = null;
+            foreach (var (k, v) in maps)
             {
-                word = input;
+                if (string.Equals(input, k, StringComparison.OrdinalIgnoreCase))
+                {
+                    newInput = v;
                 }
-            else
+                else if (input.StartsWith(k + ' ', StringComparison.OrdinalIgnoreCase))
                 {
-                word = input[..index];
+                    newInput = v + ' ' + input[k.Length..];
                 }
 
-            string newInput;
-            if (maps.TryGetValue(word, out var alias))
+                if (newInput is not null)
                 {
-                if (index == -1)
-                    newInput = alias;
-                else
-                    newInput = alias + ' ' + input[index..];
-            }
-            else
-            {
-                return null;
-            }
-            
                     try
                     {
                         var toDelete = await channel.SendConfirmAsync(_eb, $"{input} => {newInput}");
@@ -93,9 +83,15 @@ public class CommandMapService : IInputTransformer, INService
                             });
                         });
                     }
-            catch { }
+                    catch
+                    {
+                    }
 
                     return newInput;
+                }
+            }
+
+            return null;
 
             // var keys = maps.Keys.OrderByDescending(x => x.Length);
             // foreach (var k in keys)