Resume poll service

src/app/poll.service.ts

@@ -2,7 +2,9 @@ import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { Session } from './session';
 import { MemberVote } from './card';
-import { Observable } from 'rxjs';
+import { Observable, of } from 'rxjs';
+import { Topic } from './topic';
+import { Member } from './member';
 
 export class PollResponse {
   name: string;
@@ -28,4 +30,25 @@ export class PollService {
   currentPoll(session: Session) : Observable<PollResponse> {
     return this.http.get<PollResponse>('/api/poll/current/' + session.id);
   }
+
+  getTopic(session: Session) : Observable<Topic> {
+    return this.http.get<Topic>('/api/poll/topic/' + session.id);
+  }
+
+  setTopic(session: Session, topic: Topic) {
+    this.http.post('/api/poll/topic/' + session.id, topic)
+  }
+
+  placeVote(session: Session, member:  Member, vote: string) {
+    var wrapper = {
+      vote: vote
+    };
+    var url = '/api/poll/vote/' + session.id + '/' + member.id;
+    this.http.post(url, wrapper);
+  }
+
+  retractVote(session: Session, member:  Member, vote: string) {
+    var url = '/api/poll/vote/' + session.id + '/' + member.id;
+    this.http.delete(url);
+  }
 }

src/app/topic.ts

@@ -1,12 +1,14 @@
 export class Topic {
   id: number;
 
-  name: string;
+  topic: string;
 
   description: string;
 
   url: string;
 
+  votable: boolean;
+
   constructor() {
 
   }