Display group rules correctly in slash commands

app/helpers/helper.rb

@@ -82,6 +82,9 @@ module DiscourseChat
   		i = 1
   		rules.each do |rule|
         category_id = rule.category_id
+
+        case rule.type
+        when "normal"
           if category_id.nil?
             category_name = I18n.t("chat_integration.all_categories")
           else
@@ -92,6 +95,14 @@ module DiscourseChat
               category_name = I18n.t("chat_integration.deleted_category")
             end
           end
+        when "group_mention", "group_message"
+          group = Group.find_by(id: rule.group_id)
+          if group
+            category_name = I18n.t("chat_integration.#{rule.type}_template", name: group.name)
+          else
+            category_name = I18n.t("chat_integration.deleted_group")
+          end
+        end
 
         text << I18n.t("chat_integration.provider.#{provider}.status.rule_string",
                           index: i,

config/locales/server.en.yml

@@ -62,6 +62,9 @@ en:
     deleted_category: "(deleted category)"
     deleted_group: "(deleted group)"
 
+    group_mention_template: "mentions of: @%{name}"
+    group_message_template: "messages to: @%{name}"
+
     provider:
 
       #######################################

spec/helpers/helper_spec.rb

@@ -152,16 +152,18 @@ RSpec.describe DiscourseChat::Manager do
     end
 
     context 'with some rules' do
+      let(:group){Fabricate(:group)}
       before do
         DiscourseChat::Rule.create!(channel: chan1, filter:'watch', category_id:category.id, tags:nil)
         DiscourseChat::Rule.create!(channel: chan1, filter:'mute', category_id:nil, tags:nil)
         DiscourseChat::Rule.create!(channel: chan1, filter:'follow', category_id:nil, tags:[tag1.name])
+        DiscourseChat::Rule.create!(channel: chan1, filter:'watch', type: 'group_message', group_id:group.id)
         DiscourseChat::Rule.create!(channel: chan2, filter:'watch', category_id:1, tags:nil)
       end
 
       it 'displays the correct rules' do
         string = DiscourseChat::Helper.status_for_channel(chan1)
-        expect(string.scan('status.rule_string').size).to eq(3)
+        expect(string.scan('status.rule_string').size).to eq(4)
       end
 
       it 'only displays tags for rules with tags' do