1 files changed, 55 insertions, 0 deletions
diff --git a/sdnr/wt/odlux/apps/demoApp/src/services/authorService.ts b/sdnr/wt/odlux/apps/demoApp/src/services/authorService.ts
new file mode 100644
index 000000000..d266f6b3e
--- /dev/null
+++ b/sdnr/wt/odlux/apps/demoApp/src/services/authorService.ts
@@ -0,0 +1,55 @@
+import { IAuthor } from '../models/author';
+
+import * as $ from 'jquery';
+
+const base_url = 'https://api.mfico.de/v1/authors';
+
+/** 
+ * Represents a web api accessor service for all author related actions.
+ */
+class AuthorService {
+
+ /**
+   * Gets all known authors from the backend.
+   * @returns A promise of the type array of @see {@link IAuthor} containing all known authors.
+   */
+  public getAllAuthors(): Promise<IAuthor[]> {
+    return new Promise((resolve: (value: IAuthor[]) => void, reject: (err: any) => void) => {
+      $.ajax({ method: "GET", url: base_url })
+        .then((data) => { resolve(data); }, (err) => { reject(err) });
+    });
+  }
+
+ /**
+   * Gets an author by its id from the backend.
+   * @returns A promise of the type @see {@link IAuthor} containing the author to get.
+   */
+  public getAuthorById(id: string | number): Promise<IAuthor> {
+    return new Promise((resolve: (value: IAuthor) => void, reject: (err: any) => void) => {
+      $.ajax({ method: "GET", url: base_url + "/" + id })
+        .then((data) => { resolve(data); }, (err) => { reject(err) });
+    });
+  }
+
+
+/**
+ * Saves the given author to the backend api.
+ * @returns A promise of the type @see {@link IAuthor} containing the autor returned by the backend api.
+ */
+  public saveAuthor(author: IAuthor): Promise<IAuthor> {
+    return new Promise((resolve: (value: IAuthor) => void, reject: (err: any) => void) => {
+       // simulate server save
+      window.setTimeout(() => {
+        if (Math.random() > 0.8) {
+          reject("Could not save author.");
+        } else {
+          resolve(author);
+        }
+      }, 800); // simulate a short network delay
+    });
+  }
+}
+
+// return as a singleton
+export const authorService = new AuthorService();
+export default authorService;