Add creation of assigned tags and designated users to task creation action [SCI-7444]

app/controllers/my_modules_controller.rb

@@ -34,10 +34,18 @@ class MyModulesController < ApplicationController
     y = max_xy ? (max_xy.y + 10) : 1
     @my_module = @experiment.my_modules.new(my_module_params)
     @my_module.assign_attributes(created_by: current_user, last_modified_by: current_user, x: x, y: y)
-    if @my_module.save
+    @my_module.transaction do
+      if my_module_tags_params[:tag_ids].present?
+        @my_module.tags << @experiment.project.tags.where(id: my_module_tags_params[:tag_ids])
+      end
+      if my_module_designated_users_params[:user_ids].present?
+        @my_module.designated_users << @experiment.users.where(id: my_module_designated_users_params[:user_ids])
+      end
+      @my_module.save!
       redirect_to canvas_experiment_path(@experiment) if params[:my_module][:view_mode] == 'canvas'
-    else
+    rescue ActiveRecord::RecordInvalid
       render json: @my_module.errors, status: :unprocessable_entity
+      raise ActiveRecord::Rollback
     end
   end
 
@@ -468,6 +476,14 @@ class MyModulesController < ApplicationController
     permitted_params
   end
 
+  def my_module_tags_params
+    params.require(:my_module).permit(tag_ids: [])
+  end
+
+  def my_module_designated_users_params
+    params.require(:my_module).permit(user_ids: [])
+  end
+
   def protocol_params
     params.require(:protocol).permit(:name, :description)
   end