From fa0f704b567701ff9089934ad118722c98afeb85 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Fri, 8 May 2020 00:05:16 +0100
Subject: [PATCH] clear tag panel selection if the community selected is left

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 src/stores/GroupStore.js    |  6 ++++++
 src/stores/TagOrderStore.js | 13 ++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/stores/GroupStore.js b/src/stores/GroupStore.js
index 6aad6aeaec..78a144f755 100644
--- a/src/stores/GroupStore.js
+++ b/src/stores/GroupStore.js
@@ -18,6 +18,7 @@ import EventEmitter from 'events';
 import { groupMemberFromApiObject, groupRoomFromApiObject } from '../groups';
 import FlairStore from './FlairStore';
 import {MatrixClientPeg} from '../MatrixClientPeg';
+import dis from '../dispatcher';
 
 function parseMembersResponse(response) {
     return response.chunk.map((apiMember) => groupMemberFromApiObject(apiMember));
@@ -295,6 +296,11 @@ class GroupStore extends EventEmitter {
     }
 
     leaveGroup(groupId) {
+        // ensure the tag panel filter is cleared if the group was selected
+        dis.dispatch({
+            action: "deselect_tags",
+            tag: groupId,
+        });
         return MatrixClientPeg.get().leaveGroup(groupId)
             // The user should now not be able to access group settings
             .then(this._fetchResource.bind(this, this.STATE_KEY.Summary, groupId))
diff --git a/src/stores/TagOrderStore.js b/src/stores/TagOrderStore.js
index 6d03a2b289..c05728e497 100644
--- a/src/stores/TagOrderStore.js
+++ b/src/stores/TagOrderStore.js
@@ -168,9 +168,16 @@ class TagOrderStore extends Store {
             }
             break;
             case 'deselect_tags':
-                this._setState({
-                    selectedTags: [],
-                });
+                if (payload.tag) {
+                    // if a tag is passed, only deselect that tag
+                    this._setState({
+                        selectedTags: this._state.selectedTags.filter(tag => tag !== payload.tag),
+                    });
+                } else {
+                    this._setState({
+                        selectedTags: [],
+                    });
+                }
                 Analytics.trackEvent('FilterStore', 'deselect_tags');
             break;
             case 'on_client_not_viable':