Reports: Ability to hide columns

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

@@ -17,6 +17,13 @@
           = check_box_tag :display_summary_row, true, params[:display_summary_row]
           = label_tag :display_summary_row, t(".summary_row")
 
+- if @report.available_headers.present?
+  .row
+    .alpha.two.columns= label_tag nil, t(:report_hide_columns)
+    .omega.fourteen.columns
+      = select_tag(:fields_to_hide, options_for_select(@report.available_headers, params[:fields_to_hide]),
+                  class: "select2 fullwidth", multiple: true)
+
 .row.rendering-options
   .alpha.two.columns
     = label_tag :report_format, t(".generate_report")

config/locales/en.yml

@@ -2625,6 +2625,7 @@ See the %{link} to find out more about %{sitename}'s features and to start using
   report_payment_totals: 'Payment Totals'
   report_all: 'all'
   report_order_cycle: "Order Cycle"
+  report_hide_columns: Columns to Hide
   report_enterprises: "Enterprises"
   report_enterprise_fee: "Fees Names"
   report_users: "Users"

lib/reporting/report_grouper.rb

@@ -139,9 +139,7 @@ module Reporting
     end
 
     def slice_row_fields(row)
-      result = row.clone
-      report.fields_to_hide.each { |field| result.delete_field!(field) }
-      result
+      OpenStruct.new(row.to_h.reject { |k, _v| k.in?(report.fields_to_hide) })
     end
 
     # Compute the query result item into a result row

lib/reporting/report_template.rb

@@ -28,11 +28,17 @@ module Reporting
       Ransack::Search.new(Spree::Order)
     end
 
+    def available_headers
+      columns.is_a?(Hash) ? columns.keys.map { |key| [translate_header(key), key] } : nil
+    rescue NotImplementedError
+      nil
+    end
+
     # Can be re implemented in subclasses if they not use yet the new syntax
     # with columns method
     def table_headers
       columns.keys.filter{ |key| !key.in?(fields_to_hide) }.map do |key|
-        custom_headers[key] || I18n.t("report_header_#{key}")
+        translate_header(key)
       end
     end
 
@@ -57,7 +63,11 @@ module Reporting
         formatted_rules.map { |rule| rule[:fields_used_in_header] }.flatten.reject(&:blank?)
       else
         []
-      end
+      end.concat(params_fields_to_hide)
+    end
+
+    def params_fields_to_hide
+      params[:fields_to_hide]&.map(&:to_sym) || []
     end
 
     # Rules for grouping, ordering, and summary rows