From fe89bc2a42b12d4f483bb3d720c8447de4d97f65 Mon Sep 17 00:00:00 2001
From: Dessalines <tyhou13@gmx.com>
Date: Mon, 29 Apr 2019 09:07:41 -0700
Subject: Auto-select current community if creating a post from the community
 page.

Fixes #133
---
 ui/src/components/create-post.tsx | 12 +++++++++++-
 ui/src/components/navbar.tsx      |  6 +++++-
 ui/src/components/post-form.tsx   |  4 ++++
 3 files changed, 20 insertions(+), 2 deletions(-)

(limited to 'ui/src')

diff --git a/ui/src/components/create-post.tsx b/ui/src/components/create-post.tsx
index e2998ca7..1958be72 100644
--- a/ui/src/components/create-post.tsx
+++ b/ui/src/components/create-post.tsx
@@ -18,13 +18,23 @@ export class CreatePost extends Component<any, any> {
         <div class="row">
           <div class="col-12 col-lg-6 mb-4">
             <h5>Create a Post</h5>
-            <PostForm onCreate={this.handlePostCreate}/>
+            <PostForm onCreate={this.handlePostCreate} prevCommunityName={this.prevCommunityName} />
           </div>
         </div>
       </div>
     )
   }
 
+  get prevCommunityName(): string {
+    if (this.props.location.state) {
+      let lastLocation = this.props.location.state.prevPath;
+      if (lastLocation.includes("/c/")) {
+        return lastLocation.split("/c/")[1];
+      }    
+    }
+    return undefined;
+  }
+
   handlePostCreate(id: number) {
     this.props.history.push(`/post/${id}`);
   }
diff --git a/ui/src/components/navbar.tsx b/ui/src/components/navbar.tsx
index 31dab61b..ee19e5c5 100644
--- a/ui/src/components/navbar.tsx
+++ b/ui/src/components/navbar.tsx
@@ -79,7 +79,7 @@ export class Navbar extends Component<any, NavbarState> {
               <Link class="nav-link" to="/search">Search</Link>
             </li>
             <li class="nav-item">
-              <Link class="nav-link" to="/create_post">Create Post</Link>
+              <Link class="nav-link" to={{pathname: '/create_post', state: { prevPath: this.currentLocation }}}>Create Post</Link>
             </li>
             <li class="nav-item">
               <Link class="nav-link" to="/create_community">Create Community</Link>
@@ -165,6 +165,10 @@ export class Navbar extends Component<any, NavbarState> {
     }
   }
 
+  get currentLocation() {
+    return this.context.router.history.location.pathname;
+  }
+
   sendRepliesCount(res: GetRepliesResponse) {
     UserService.Instance.sub.next({user: UserService.Instance.user, unreadCount: res.replies.filter(r => !r.read).length});
   }
diff --git a/ui/src/components/post-form.tsx b/ui/src/components/post-form.tsx
index ab936282..e4e75df4 100644
--- a/ui/src/components/post-form.tsx
+++ b/ui/src/components/post-form.tsx
@@ -8,6 +8,7 @@ import * as autosize from 'autosize';
 
 interface PostFormProps {
   post?: Post; // If a post is given, that means this is an edit
+  prevCommunityName?: string;
   onCancel?(): any;
   onCreate?(id: number): any;
   onEdit?(post: Post): any;
@@ -170,6 +171,9 @@ export class PostForm extends Component<PostFormProps, PostFormState> {
       this.state.communities = res.communities;
       if (this.props.post) {
         this.state.postForm.community_id = this.props.post.community_id;
+      } else if (this.props.prevCommunityName) {
+        let foundCommunityId = res.communities.find(r => r.name == this.props.prevCommunityName).id;
+        this.state.postForm.community_id = foundCommunityId;
       } else {
         this.state.postForm.community_id = res.communities[0].id;
       }
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