1 files changed, 27 insertions, 0 deletions
diff --git a/lib/gitlab/slash_commands/presenters/help.rb b/lib/gitlab/slash_commands/presenters/help.rb
new file mode 100644
index 00000000000..ea611a4d629
--- /dev/null
+++ b/lib/gitlab/slash_commands/presenters/help.rb
@@ -0,0 +1,27 @@
+module Gitlab
+  module SlashCommands
+    module Presenters
+      class Help < Presenters::Base
+        def present(trigger, text)
+          ephemeral_response(text: help_message(trigger, text))
+        end
+
+        private
+
+        def help_message(trigger, text)
+          return "No commands available :thinking_face:" unless @resource.present?
+
+          if text.start_with?('help')
+            header_with_list("Available commands", full_commands(trigger))
+          else
+            header_with_list("Unknown command, these commands are available", full_commands(trigger)) 
+          end
+        end
+
+        def full_commands(trigger)
+          @resource.map { |command| "#{trigger} #{command.help_message}" }
+        end
+      end
+    end
+  end
+end