Report generation. Download csv

app/models/concerns/download_settings/budget_investment_csv.rb

@@ -0,0 +1,28 @@
+module DownloadSettings
+  module BudgetInvestmentCsv
+    extend ActiveSupport::Concern
+
+    def get_association_attribute_names
+      ["author_name", "author_email"]
+    end
+
+    def get_downloadables_names(config)
+      DownloadSetting.where(name_model: "Budget::Investment",
+                            downloadable: true,
+                            config: config).pluck(:name_field)
+    end
+
+    def to_csv(budgets, admin_attr, options = {})
+
+      attributes = admin_attr.nil? ? [] : admin_attr
+
+      CSV.generate(options) do |csv|
+        csv << attributes
+        budgets.each do |budget|
+          csv << attributes.map{ |attr| budget.send(attr)}
+        end
+      end
+    end
+
+  end
+end