Adding a front page / fetching subscribed forums.

- Adding subscribed to post view. Fixes #25

1 files changed, 85 insertions, 0 deletions

diff --git a/ui/src/components/main.tsx b/ui/src/components/main.tsx
new file mode 100644
index 00000000..b7b0a562
--- /dev/null
+++ b/ui/src/components/main.tsx
@@ -0,0 +1,85 @@
+import { Component, linkEvent } from 'inferno';
+import { Link } from 'inferno-router';
+import { Subscription } from "rxjs";
+import { retryWhen, delay, take } from 'rxjs/operators';
+import { UserOperation, Community as CommunityI, GetCommunityResponse, CommunityResponse, Post, GetPostsForm, ListingSortType, ListingType, GetPostsResponse, CreatePostLikeForm, CreatePostLikeResponse, CommunityUser, GetFollowedCommunitiesResponse } from '../interfaces';
+import { WebSocketService, UserService } from '../services';
+import { MomentTime } from './moment-time';
+import { PostListings } from './post-listings';
+import { Sidebar } from './sidebar';
+import { msgOp, mdToHtml } from '../utils';
+
+interface State {
+  subscribedCommunities: Array<CommunityUser>;
+}
+
+export class Main extends Component<any, State> {
+
+  private subscription: Subscription;
+  private emptyState: State = {
+    subscribedCommunities: []
+  }
+
+  constructor(props, context) {
+    super(props, context);
+
+    this.state = this.emptyState;
+
+    this.subscription = WebSocketService.Instance.subject
+      .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
+      .subscribe(
+        (msg) => this.parseMessage(msg),
+        (err) => console.error(err),
+        () => console.log('complete')
+      );
+
+    if (UserService.Instance.loggedIn) {
+      WebSocketService.Instance.getFollowedCommunities();
+    }
+  }
+
+  componentWillUnmount() {
+    this.subscription.unsubscribe();
+  }
+
+  render() {
+    return (
+      <div class="container">
+        <div class="row">
+          <div class="col-12 col-lg-9">
+            <PostListings />
+          </div>
+          <div class="col-12 col-lg-3">
+            <h4>A Landing message</h4>
+            {UserService.Instance.loggedIn &&
+              <div>
+                <hr />
+                <h4>Subscribed forums</h4>
+                <ul class="list-unstyled"> 
+                  {this.state.subscribedCommunities.map(community =>
+                    <li><Link to={`/community/${community.community_id}`}>{community.community_name}</Link></li>
+                  )}
+                </ul>
+              </div>
+            }
+          </div>
+        </div>
+      </div>
+    )
+  }
+
+
+  parseMessage(msg: any) {
+    console.log(msg);
+    let op: UserOperation = msgOp(msg);
+    if (msg.error) {
+      alert(msg.error);
+      return;
+    } else if (op == UserOperation.GetFollowedCommunities) {
+      let res: GetFollowedCommunitiesResponse = msg;
+      this.state.subscribedCommunities = res.communities;
+      this.setState(this.state);
+    }
+  }
+}
+