type fixing

common/entities/Directory.ts

@@ -1,10 +1,10 @@
 import {Photo} from "./Photo";
 export class Directory{
     
-    constructor(public id?:string,
+    constructor(public id?:number,
                 public name?:string,
                 public path?:string,
                 public lastUpdate?:Date,
-                public directories:Array<Directory>  = [],
+                public directories:Array<Directory> =[],
                 public photos:Array<Photo> = []){}
 }

common/entities/Photo.ts

@@ -1,7 +1,7 @@
 import {Utils} from "../Utils";
 import {Directory} from "./Directory";
 export class Photo {
-    constructor(public id:string, public name:string, public width:number, public height:number) {
+    constructor(public id:number, public name:string, public width:number, public height:number) {
     }
 
     public static getThumbnailPath(directory:Directory,photo:Photo){

common/entities/User.ts

@@ -8,5 +8,5 @@ export enum UserRoles{
 }
 
 export class User { 
-    constructor(public id?:string,public name?:string, public password?:string, public role:UserRoles = UserRoles.User){}
+    constructor(public id?:number,public name?:string, public password?:string, public role:UserRoles = UserRoles.User){}
 }