start of iteration 2

app/controllers/reports_controller.rb

@@ -11,7 +11,9 @@ class ReportsController < ApplicationController
   # GET /reports/1
   def show
     respond_to do |format|
-      format.html
+      format.html do
+        @current_page = page_param && @report.pages.find(page_param) || @report.pages.first
+      end
       format.pdf
       format.xlsx do
         response.headers["Content-Disposition"] = %(attachment; filename="#{filename(@report, extension: 'xlsx')}")
@@ -35,7 +37,7 @@ class ReportsController < ApplicationController
       format.docx do
         send_file(Docx::Document.new.generate do |document|
           document.heading1(@report.name)
-          document.paragraph(@report.comment_html)
+          document.paragraph(@report.comment)
           # document.heading1("slfkj")
           # document.paragraph("sldkfj")
           @report.elements.each do |element|
@@ -127,10 +129,14 @@ class ReportsController < ApplicationController
 
   # Only allow a list of trusted parameters through.
   def report_params
-    params.require(:report).permit(:name, :comment_html)
+    params.require(:report).permit(:name, :comment)
   end
 
   def filename(report, extension: "html")
     "#{report.name}-#{Time.current.strftime('%Y%m%d%H%M')}.#{extension}"
   end
+
+  def page_param
+    params[:page_id]
+  end
 end