1 files changed, 43 insertions, 0 deletions
diff --git a/Timeline/ClientApp/src/app/todo/todo-service/todo.service.ts b/Timeline/ClientApp/src/app/todo/todo-service/todo.service.ts
new file mode 100644
index 00000000..ed1f2cbe
--- /dev/null
+++ b/Timeline/ClientApp/src/app/todo/todo-service/todo.service.ts
@@ -0,0 +1,43 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable, from } from 'rxjs';
+import { switchMap, map, filter } from 'rxjs/operators';
+
+import { TodoItem } from '../todo-item';
+
+export interface IssueResponseItem {
+  number: number;
+  title: string;
+  state: string;
+  html_url: string;
+  pull_request?: any;
+}
+
+export type IssueResponse = IssueResponseItem[];
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TodoService {
+
+  readonly baseUrl = 'https://api.github.com/repos/crupest/Timeline';
+
+  constructor(private client: HttpClient) { }
+
+  getWorkItemList(): Observable<TodoItem> {
+    return this.client.get<IssueResponse>(`${this.baseUrl}/issues`, {
+      params: {
+        state: 'all'
+      }
+    }).pipe(
+      switchMap(result => from(result)),
+      filter(result => result.pull_request === undefined), // filter out pull requests.
+      map(result => <TodoItem>{
+        number: result.number,
+        title: result.title,
+        isClosed: result.state === 'closed',
+        detailUrl: result.html_url
+      })
+    );
+  }
+}