Killed history

NadekoBot.Core/Common/ModuleBehaviors/IModuleBehavior.cs

@@ -0,0 +1,34 @@
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Common.ModuleBehaviors
+{
+    public struct ModuleBehaviorResult
+    {
+        public bool Blocked { get; set; }
+        public string NewInput { get; set; }
+
+        public static ModuleBehaviorResult None() => new ModuleBehaviorResult
+        {
+            Blocked = false,
+            NewInput = null,
+        };
+
+        public static ModuleBehaviorResult FromBlocked(bool blocked) => new ModuleBehaviorResult
+        {
+            Blocked = blocked,
+            NewInput = null,
+        };
+    }
+
+    public interface IModuleBehavior
+    {
+        /// <summary>
+        /// Negative priority means it will try to apply as early as possible
+        /// Positive priority menas it will try to apply as late as possible
+        /// </summary>
+        int Priority { get; }
+        Task<ModuleBehaviorResult> ApplyBehavior(DiscordSocketClient client, IGuild guild, IUserMessage msg);
+    }
+}