Change property visibility.

src/operations/category.ts

@@ -1,7 +1,8 @@
 // vim: set tw=80 ts=2 sw=2 sts=2 :
 
 export class Category {
-  category: string;
-  expenses: number;
-  revenues: number;
+  public category: string;
+  public expenses: number;
+  public revenues: number;
+  public income: number;
 }

src/operations/operation.ts

@@ -1,15 +1,15 @@
 // vim: set tw=80 ts=2 sw=2 sts=2:
 
 export class Operation {
-  id: number;
-  operation_date: string;
-  label: string;
-  value: number;
-  category: string;
-  scheduled_operation_id: number;
-  account_id: number;
-  balance: number;
-  confirmed: boolean;
-  pointed: boolean;
-  cancelled: boolean
+  public id: number;
+  public operation_date: string;
+  public label: string;
+  public value: number;
+  public category: string;
+  public scheduled_operation_id: number;
+  public account_id: number;
+  public balance: number;
+  public confirmed: boolean;
+  public pointed: boolean;
+  public canceled: boolean
 }

src/operations/operationList.component.ts

@@ -70,7 +70,7 @@ export class OperationListComponent implements OnInit {
   private account: Account;
   private minDate: Date;
   private maxDate: Date;
-  private operations: Operation[];
+  public operations: Operation[];
 
   constructor(
     private toastrService: ToastrService,