Add created_by user to Task

app/controllers/tasks_controller.rb

@@ -18,6 +18,7 @@ class TasksController < ApplicationController
 
   def create
     @task = Task.new(current_user_id: current_user.id)
+    @task.created_by = current_user
     @task.attributes=(task_params)
     if params[:periodic]
       @task.periodic_task_group = PeriodicTaskGroup.new

app/models/task.rb

@@ -4,6 +4,7 @@ class Task < ApplicationRecord
   has_many :users, :through => :assignments
   belongs_to :workgroup
   belongs_to :periodic_task_group
+  belongs_to :created_by, :class_name => 'User', :foreign_key => 'created_by_user_id'
 
   scope :non_group, -> { where(workgroup_id: nil, done: false) }
   scope :done, -> { where(done: true) }

app/views/tasks/show.haml

@@ -5,6 +5,10 @@
   %dl.dl-horizontal
     %dt= heading_helper Task, :name
     %dd= @task.name
+    %dt= heading_helper Task, :created_on
+    %dd= format_time @task.created_on
+    %dt= heading_helper Task, :created_by
+    %dd= show_user @task.created_by
     - if @task.description.present?
       %dt= heading_helper Task, :description
       %dd= simple_format(@task.description)