Creating resource on the fly when we want to delete model created by WS events

Change-Id: I2e5c0e0af2be6366d86437d140d4517990940cbb
diff --git a/src/app/core/index.ts b/src/app/core/index.ts
index a9aa9a6..fd87e38 100644
--- a/src/app/core/index.ts
+++ b/src/app/core/index.ts
@@ -13,6 +13,7 @@
 import {xosForm} from './form/form';
 import {xosField} from './field/field';
 import 'angular-toastr';
+import {ModelHelpers} from './services/helpers/model.helper';
 
 export const xosCore = 'xosCore';
 
@@ -24,6 +25,7 @@
   .service('PageTitle', PageTitle)
   .service('XosFormHelpers', XosFormHelpers)
   .service('ConfigHelpers', ConfigHelpers)
+  .service('ModelHelpers', ModelHelpers)
   .directive('xosLinkWrapper', xosLinkWrapper)
   .component('xosHeader', xosHeader)
   .component('xosFooter', xosFooter)
diff --git a/src/app/core/services/helpers/model.helper.ts b/src/app/core/services/helpers/model.helper.ts
new file mode 100644
index 0000000..81825d3
--- /dev/null
+++ b/src/app/core/services/helpers/model.helper.ts
@@ -0,0 +1,9 @@
+export interface IXosModelHelpersService {
+  urlFromCoreModel(name: string): string;
+}
+
+export class ModelHelpers {
+  urlFromCoreModel(name: string): string {
+    return `/core/${name.toLowerCase()}s`;
+  }
+}
diff --git a/src/app/core/services/helpers/model.helpers.spec.ts b/src/app/core/services/helpers/model.helpers.spec.ts
new file mode 100644
index 0000000..8456738
--- /dev/null
+++ b/src/app/core/services/helpers/model.helpers.spec.ts
@@ -0,0 +1,28 @@
+import * as angular from 'angular';
+import 'angular-mocks';
+import 'angular-ui-router';
+
+import {IXosModelHelpersService, ModelHelpers} from './model.helper';
+
+let service: IXosModelHelpersService;
+describe('The ConfigHelpers service', () => {
+
+  beforeEach(() => {
+    angular
+      .module('test', [])
+      .service('ModelHelpers', ModelHelpers);
+
+    angular.mock.module('test');
+  });
+
+  beforeEach(angular.mock.inject((
+    ModelHelpers: IXosModelHelpersService,
+  ) => {
+    service = ModelHelpers;
+  }));
+
+  it('should convert a core model name in an URL', () => {
+    expect(service.urlFromCoreModel('Slice')).toBe('/core/slices');
+  });
+
+});