Migrate old reports to new experiment level reports

app/views/reports/new.html.erb

@@ -20,7 +20,7 @@
   data-project-id="<%= @project.id %>"
   data-save-report-url="<%= save_modal_project_reports_url %>"
   data-report-id="<%= @report.present? ? @report.id : "" %>"
-  data,unsaved-work-text="<%=t "projects.reports.new.unsaved_work" %>"
+  data-unsaved-work-text="<%=t "projects.reports.new.unsaved_work" %>"
   data-global-sort-text="<%=t "projects.reports.new.global_sort" %>"
 >
 </div>

db/migrate/20160803082801_add_experiment_to_report_elements.rb

@@ -1,8 +1,51 @@
 class AddExperimentToReportElements < ActiveRecord::Migration
-  def change
+  def up
     add_column :report_elements, :experiment_id, :integer
-
     add_foreign_key :report_elements, :experiments
     add_index :report_elements, :experiment_id
+
+    Project.find_each do |project|
+      experiment = project.experiments.first
+
+      next unless experiment && project.reports.count > 0
+      project.reports.each do |report|
+        project_element = report.report_elements.where(type_of: 0).first
+        module_elements = report.report_elements.where(type_of: 1)
+
+        next unless project_element
+        experiment_element = report.report_elements.create(
+          type_of: :experiment,
+          experiment: experiment,
+          position: 0
+        )
+
+        next unless module_elements.count > 0
+        module_elements.each do |element|
+          element.parent_id = experiment_element.id
+          element.save!
+        end
+      end
+    end
+  end
+
+  def down
+    Project.find_each do |project|
+      next unless project.reports.count > 0
+      project.reports.each do |report|
+        experiment_elements = report.report_elements.where(type_of: 15)
+        module_elements = report.report_elements.where(type_of: 1)
+
+        next unless module_elements.count > 0
+        module_elements.each do |element|
+          element.parent_id = nil
+          element.save!
+        end
+        experiment_elements.destroy_all
+      end
+    end
+
+    remove_index :report_elements, :experiment_id
+    remove_foreign_key :report_elements, :experiments
+    remove_column :report_elements, :experiment_id
   end
 end