start/stop tracking: issue context menu entry

lib/stopwatch/context_menus_controller_patch.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Stopwatch
+  module ContextMenusControllerPatch
+    module Helper
+      def watcher_link(objects, user)
+        link = +''
+        if params[:action] == 'issues' and
+            objects.one? and (issue = objects[0]).is_a?(Issue) and
+            User.current.allowed_to?(:log_time, issue.project)
+          t = Stopwatch::IssueTimer.new(issue: issue)
+          if t.running?
+            link << IssueLinks.new(issue).stop_timer
+          else
+            link << IssueLinks.new(issue).start_timer
+          end
+        end
+        super + content_tag(:li, link.html_safe)
+      end
+    end
+
+    def self.apply
+      ContextMenusController.class_eval do
+        helper Helper
+      end
+    end
+  end
+end
+