Add DI support to command Groups

src/Discord.Net.Commands/CommandService.cs

@@ -108,19 +108,19 @@ namespace Discord.Commands
                 if (moduleAttr == null)
                     throw new ArgumentException($"Modules must be marked with ModuleAttribute.");
 
-                return LoadInternal(moduleInstance, moduleAttr, typeInfo);
+                return LoadInternal(moduleInstance, moduleAttr, typeInfo, null);
             }
             finally
             {
                 _moduleLock.Release();
             }
         }
-        private Module LoadInternal(object moduleInstance, ModuleAttribute moduleAttr, TypeInfo typeInfo)
+        private Module LoadInternal(object moduleInstance, ModuleAttribute moduleAttr, TypeInfo typeInfo, IDependencyMap dependencyMap)
         {
             if (_modules.ContainsKey(moduleInstance.GetType()))
                 return _modules[moduleInstance.GetType()];
 
-            var loadedModule = new Module(typeInfo, this, moduleInstance, moduleAttr);
+            var loadedModule = new Module(typeInfo, this, moduleInstance, moduleAttr, dependencyMap);
             _modules[moduleInstance.GetType()] = loadedModule;
 
             foreach (var cmd in loadedModule.Commands)
@@ -141,7 +141,7 @@ namespace Discord.Commands
                     if (moduleAttr != null && moduleAttr.AutoLoad)
                     {
                         var moduleInstance = ReflectionUtils.CreateObject(typeInfo, this, dependencyMap);
-                        modules.Add(LoadInternal(moduleInstance, moduleAttr, typeInfo));
+                        modules.Add(LoadInternal(moduleInstance, moduleAttr, typeInfo, dependencyMap));
                     }
                 }
                 return modules.ToImmutable();

src/Discord.Net.Commands/Module.cs

@@ -19,7 +19,7 @@ namespace Discord.Commands
 
         public IReadOnlyList<PreconditionAttribute> Preconditions { get; }
 
-        internal Module(TypeInfo source, CommandService service, object instance, ModuleAttribute moduleAttr)
+        internal Module(TypeInfo source, CommandService service, object instance, ModuleAttribute moduleAttr, IDependencyMap dependencyMap)
         {
             Source = source;
             Service = service;
@@ -40,13 +40,13 @@ namespace Discord.Commands
                 Description = descriptionAttr.Text;
 
             List<Command> commands = new List<Command>();
-            SearchClass(source, instance, commands, Prefix);
+            SearchClass(source, instance, commands, Prefix, dependencyMap);
             Commands = commands;
 
             Preconditions = BuildPreconditions();
         }
 
-        private void SearchClass(TypeInfo parentType, object instance, List<Command> commands, string groupPrefix)
+        private void SearchClass(TypeInfo parentType, object instance, List<Command> commands, string groupPrefix, IDependencyMap dependencyMap)
         {
             if (groupPrefix != "")
                 groupPrefix += " ";
@@ -66,7 +66,7 @@ namespace Discord.Commands
                         nextGroupPrefix = groupPrefix + groupAttrib.Prefix ?? type.Name;
                     else
                         nextGroupPrefix = groupPrefix;
-                    SearchClass(type, ReflectionUtils.CreateObject(type, Service), commands, nextGroupPrefix);
+                    SearchClass(type, ReflectionUtils.CreateObject(type, Service, dependencyMap), commands, nextGroupPrefix, dependencyMap);
                 }
             }
         }