Now with cleaner participants in the responses

ref #6

src/models/responses/ResponsePermission.ts

@@ -4,9 +4,9 @@ import {
     IsObject
 } from "class-validator";
 import { Permission } from '../entities/Permission';
-import { Principal } from '../entities/Principal';
 import { PermissionAction } from '../enums/PermissionAction';
 import { PermissionTarget } from '../enums/PermissionTargets';
+import { ResponsePrincipal } from './ResponsePrincipal';
 
 /**
  * Defines a track of given length.
@@ -23,7 +23,7 @@ export class ResponsePermission {
      */
     @IsObject()
     @IsNotEmpty()
-    principal: Principal;
+    principal: ResponsePrincipal;
 
     /**
      * The permissions's target.
@@ -39,7 +39,7 @@ export class ResponsePermission {
 
     public constructor(permission: Permission) {
         this.id = permission.id;
-        this.principal = permission.principal;
+        this.principal = permission.principal.toResponse();
         this.target = permission.target;
         this.action = permission.action;
     }

src/models/responses/ResponseUserGroup.ts

@@ -0,0 +1,45 @@
+import {
+    IsArray,
+
+
+    IsNotEmpty,
+
+    IsOptional,
+    IsString
+} from "class-validator";
+import { Permission } from '../entities/Permission';
+import { UserGroup } from '../entities/UserGroup';
+import { ResponsePrincipal } from './ResponsePrincipal';
+
+/**
+ * Defines a user response.
+*/
+export class ResponseUserGroup extends ResponsePrincipal {
+    /**
+     * The group's name
+     */
+    @IsNotEmpty()
+    @IsString()
+    name: string;
+
+    /**
+     * The group's description
+     */
+    @IsOptional()
+    @IsString()
+    description?: string;
+
+    /**
+     * permissions
+     */
+    @IsArray()
+    @IsOptional()
+    permissions: Permission[];
+
+    public constructor(group: UserGroup) {
+        super(group);
+        this.name = group.name;
+        this.description = group.description;
+        this.permissions = group.permissions;
+    }
+}