FEATURE: add 'New Topic' button on full page search view

app/assets/javascripts/discourse/routes/full-page-search.js.es6

@@ -1,4 +1,5 @@
 import { translateResults, getSearchKey, isValidSearchTerm } from "discourse/lib/search";
+import Composer from 'discourse/models/composer';
 
 export default Discourse.Route.extend({
   queryParams: { q: {}, context_id: {}, context: {}, skip_context: {} },
@@ -39,6 +40,17 @@ export default Discourse.Route.extend({
     didTransition() {
       this.controllerFor("full-page-search")._showFooter();
       return true;
+    },
+
+    createTopic(searchTerm) {
+      let category;
+      if (searchTerm.indexOf("category:")) {
+        const match =  searchTerm.match(/category:(\S*)/);
+        if (match && match[1]) {
+          category = match[1];
+        }
+      }
+      this.container.lookup('controller:composer').open({action: Composer.CREATE_TOPIC, draftKey: Composer.CREATE_TOPIC, topicCategory: category});
     }
   }
 

app/assets/javascripts/discourse/templates/full-page-search.hbs

@@ -1,6 +1,11 @@
 <div class="search row clearfix">
   {{search-text-field value=searchTerm class="full-page-search input-xxlarge search no-blur" action="search" hasAutofocus=hasAutofocus}}
   {{d-button action="search" icon="search" class="btn-primary" disabled=searchButtonDisabled}}
+  {{#if currentUser}}
+    {{#unless site.mobileView}}
+      <span class="new-topic-btn">{{d-button id="create-topic" class="btn-default" action="createTopic" actionParam=searchTerm icon="plus" label="topic.create"}}</span>
+    {{/unless}}
+  {{/if}}
   {{#if canBulkSelect}}
     {{#if model.posts}}
       {{d-button icon="list" class="bulk-select" title="topics.bulk.toggle" action="toggleBulkSelect"}}

app/assets/stylesheets/common/base/search.scss

@@ -74,6 +74,10 @@
     height: 22px;
     padding-left: 6px;
   }
+
+  .new-topic-btn {
+    float:right;
+  }
 }
 
 .search-footer {