read rendering options directly from the model ReportRendingOptions

app/controllers/admin/reports_controller.rb

@@ -48,15 +48,7 @@ module Admin
                       else
                         I18n.t(:name, scope: [:admin, :reports, @report_type])
                       end
-
-      # Initialize data
-      params[:display_summary_row] = true if request.get?
-      @params_fields_to_show = if request.get?
-                                 @report.columns.keys - @report.fields_to_hide
-                               else
-                                 params[:fields_to_show]
-                               end
-
+      @rendering_options = rendering_options
       @data = Reporting::FrontendData.new(spree_current_user)
     end
   end

app/controllers/concerns/reports_actions.rb

@@ -62,4 +62,27 @@ module ReportsActions
   def i18n_scope
     'admin.reports'
   end
+
+  def rendering_options
+    @rendering_options ||= ReportRenderingOptions.where(
+      user: spree_current_user,
+      report_type: report_type,
+      report_subtype: report_subtype
+    ).first_or_create do |new_instance|
+      new_instance.options[:fields_to_show] = if @report.present?
+                                                @report.columns.keys - @report.fields_to_hide
+                                              else
+                                                []
+                                              end
+      new_instance.options[:display_summary_row] = request.get? || params[:display_summary_row].present?
+      params[:display_header_row] = params[:display_header_row].present?
+    end
+    if params[:fields_to_show].present?
+      @rendering_options.options[:fields_to_show] = params[:fields_to_show]
+    end
+    @rendering_options.options[:display_summary_row] = params[:display_summary_row].present?
+    @rendering_options.options[:display_header_row] = params[:display_header_row].present?
+    @rendering_options.save
+    @rendering_options
+  end
 end

app/models/report_rendering_options.rb

@@ -0,0 +1,4 @@
+class ReportRenderingOptions < ApplicationRecord
+  belongs_to :user, class_name: "Spree::User"
+  serialize :options, Hash
+end

app/views/admin/reports/_rendering_options.html.haml

@@ -16,16 +16,16 @@
       .omega.fourteen.columns
         - if @report.header_option?
           %span.inline-checkbox{ style: "margin-right: 1rem;" }
-            = check_box_tag :display_header_row, true, params[:display_header_row]
+            = check_box_tag :display_header_row, true, @render_options.options[:display_header_row]
             = label_tag :display_header_row, t(".header_row")
         - if @report.summary_row_option?
           %span.inline-checkbox
-            = check_box_tag :display_summary_row, true, params[:display_summary_row], { "data-csv-select-target": "checkbox" }
+            = check_box_tag :display_summary_row, true, @render_options.options[:display_summary_row], { "data-csv-select-target": "checkbox" }
             = label_tag :display_summary_row, t(".summary_row"), { "data-csv-select-target": "label" }
 
 - if @report.available_headers.present?
   .row
     .alpha.two.columns= label_tag nil, t(:report_columns)
     .omega.fourteen.columns
-      = render MultipleCheckedSelectComponent.new(name: "fields_to_show", options: @report.available_headers, selected: @params_fields_to_show)
+      = render MultipleCheckedSelectComponent.new(name: "fields_to_show", options: @report.available_headers, selected: @render_options.options[:fields_to_show])
   

db/migrate/20221116095826_create_report_rendering_options.rb

@@ -0,0 +1,12 @@
+class CreateReportRenderingOptions < ActiveRecord::Migration[6.1]
+  def change
+    create_table :report_rendering_options do |t|
+      t.references :user
+      t.text :options
+      t.string :report_type
+      t.string :report_subtype
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_10_07_105052) do
+ActiveRecord::Schema.define(version: 2022_11_16_095826) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -354,6 +354,16 @@ ActiveRecord::Schema.define(version: 2022_10_07_105052) do
     t.index ["subscription_id"], name: "index_proxy_orders_on_subscription_id"
   end
 
+  create_table "report_rendering_options", force: :cascade do |t|
+    t.bigint "user_id"
+    t.text "options"
+    t.string "report_type"
+    t.string "report_subtype"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["user_id"], name: "index_report_rendering_options_on_user_id"
+  end
+
   create_table "schedules", id: :serial, force: :cascade do |t|
     t.string "name", limit: 255, null: false
     t.datetime "created_at", null: false

spec/models/report_rendering_options_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe ReportRenderingOptions, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end