Added a new endpoint that returns a users permissions as objects sorted into two arrays

ref #93

src/models/responses/ResponseUser.ts

@@ -70,6 +70,7 @@ export class ResponseUser extends ResponsePrincipal {
 
     /**
      * The user's permissions.
+     * Directly granted or inherited converted to their string form and deduplicated.
      */
     @IsArray()
     @IsOptional()

src/models/responses/ResponseUserPermissions.ts

@@ -0,0 +1,40 @@
+import {
+    IsArray,
+
+
+    IsOptional
+} from "class-validator";
+import { User } from '../entities/User';
+import { ResponsePermission } from './ResponsePermission';
+
+/**
+ * Defines the user permission response (get /api/users/:id/permissions).
+*/
+export class ResponseUserPermissions {
+    /**
+     * The permissions directly granted to the user.
+     */
+    @IsArray()
+    @IsOptional()
+    directlyGranted: ResponsePermission[] = new Array<ResponsePermission>();
+
+    /**
+     * The permissions directly inherited the user.
+     */
+    @IsArray()
+    @IsOptional()
+    inherited: ResponsePermission[] = new Array<ResponsePermission>();
+
+    /**
+     * Creates a ResponseUserPermissions object from a user.
+     * @param user The user the response shall be build for.
+     */
+    public constructor(user: User) {
+        for (let permission of user.permissions) {
+            this.directlyGranted.push(permission.toResponse());
+        }
+        for (let permission of user.inheritedPermissions) {
+            this.inherited.push(permission.toResponse());
+        }
+    }
+}