Creating Stores and using Observables

Change-Id: I214692e64df065beaddee0e0ec8759de540c269d
diff --git a/src/app/datasources/rest/slices.rest.ts b/src/app/datasources/rest/slices.rest.ts
new file mode 100644
index 0000000..a5b7e5c
--- /dev/null
+++ b/src/app/datasources/rest/slices.rest.ts
@@ -0,0 +1,21 @@
+import {AppConfig} from '../../config/app.config';
+
+export interface IXosResourceService {
+  getResource(): ng.resource.IResourceClass<any>;
+}
+
+export class SlicesRest implements IXosResourceService {
+  static $inject = ['$resource'];
+  private resource: angular.resource.IResourceClass<any>;
+
+  /** @ngInject */
+  constructor(
+    private $resource: ng.resource.IResourceService
+  ) {
+    this.resource = this.$resource(`${AppConfig.apiEndpoint}/core/slices/`);
+  }
+
+  public getResource(): ng.resource.IResourceClass<ng.resource.IResource<any>> {
+    return this.resource;
+  }
+}