Fixed property groups form Group and EPerson models and added comments

src/app/core/eperson/models/eperson.model.ts

@@ -1,22 +1,50 @@
+import { Observable } from 'rxjs';
+
 import { DSpaceObject } from '../../shared/dspace-object.model';
 import { Group } from './group.model';
+import { RemoteData } from '../../data/remote-data';
+import { PaginatedList } from '../../data/paginated-list';
 
 export class EPerson extends DSpaceObject {
 
+  /**
+   * A string representing the unique handle of this Collection
+   */
   public handle: string;
 
-  public groups: Group[];
+  /**
+   * List of Groups that this EPerson belong to
+   */
+  public groups: Observable<RemoteData<PaginatedList<Group>>>;
 
+  /**
+   * A string representing the netid of this EPerson
+   */
   public netid: string;
 
+  /**
+   * A string representing the last active date for this EPerson
+   */
   public lastActive: string;
 
+  /**
+   * A boolean representing if this EPerson can log in
+   */
   public canLogIn: boolean;
 
+  /**
+   * The EPerson email address
+   */
   public email: string;
 
+  /**
+   * A boolean representing if this EPerson require certificate
+   */
   public requireCertificate: boolean;
 
+  /**
+   * A boolean representing if this EPerson registered itself
+   */
   public selfRegistered: boolean;
 
   /** Getter to retrieve the EPerson's full name as a string */