FEATURE: Option to disable user presence and profile

This allows users who are privacy conscious to disable the presence
features of the forum as well as their public profile.

plugins/discourse-presence/assets/javascripts/discourse/components/composer-presence-display.js.es6

@@ -113,6 +113,12 @@ export default Ember.Component.extend({
 
   publish(data) {
     this._lastPublish = new Date();
+
+    // Don't publish presence if disabled
+    if (this.currentUser.hide_profile_and_presence) {
+      return Ember.RSVP.Promise.resolve();
+    }
+
     return ajax("/presence/publish", { type: "POST", data });
   },
 

plugins/discourse-presence/plugin.rb

@@ -107,8 +107,7 @@ after_initialize do
     ACTIONS ||= [-"edit", -"reply"].freeze
 
     def publish
-
-      raise Discourse::NotFound if !current_user
+      raise Discourse::NotFound if current_user.blank? || current_user.user_option.hide_profile_and_presence?
 
       data = params.permit(
         :response_needed,

plugins/discourse-presence/spec/requests/presence_controller_spec.rb

@@ -37,6 +37,12 @@ describe ::Presence::PresencesController do
       expect { post '/presence/publish.json' }.not_to raise_error
     end
 
+    it "does not publish for users with disabled presence features" do
+      user1.user_option.update_column(:hide_profile_and_presence, true)
+      post '/presence/publish.json'
+      expect(response.code).to eq("404")
+    end
+
     it "uses guardian to secure endpoint" do
       private_post = Fabricate(:private_message_post)