Class: RailsDbAdmin::Services::ReportHelper

Inherits:
AbstractController::Base
  • Object
show all
Includes:
AbstractController::AssetPaths, AbstractController::Helpers, AbstractController::Rendering, AbstractController::Translation
Defined in:
lib/rails_db_admin/services/report_helper.rb

Defined Under Namespace

Classes: Cache

Instance Method Summary collapse

Instance Method Details

#build_report(report_iid, formats = [:pdf, :csv], report_params = {}) ⇒ Object

Renders report for formats

Parameters:

  • report_iid (String) —

    IID of Report

  • format (Symbol) —

    Format to render the report in (:pdf, :csv)

  • report_params (Hash) (defaults to: {}) —

    Parameters for report



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# File 'lib/rails_db_admin/services/report_helper.rb', line 18

def build_report(report_iid, formats=[:pdf, :csv], report_params={})
  begin
    @formats = formats

    database_connection_class = RailsDbAdmin::ConnectionHandler.create_connection_class(Rails.env)
    @query_support = RailsDbAdmin::QuerySupport.new(database_connection_class, Rails.env)

    @report = Report.find_by_internal_identifier(report_iid)
    @report_params = report_params

    add_report_view_paths
    build_report_data

    missing_params = check_required_params

    if missing_params.count > 0
      if missing_params.count == 1
        "#{missing_params.join(', ')} is required"
      else
        "#{missing_params.join(', ')} are required"
      end

    else
      file_attachments = []

      if @data[:error]
        @data[:error]
      else
        @formats.each do |format|
          case format
            when :html
              data = render inline: @report.template,
                            locals: build_tpl_locals

              file_attachments.push({name: "#{@report.name}.html", data: data})

            when :pdf
              data = render_to_string({
                                          template: 'base.html.erb',
                                          locals: build_tpl_locals
                                      })

              file_attachments << {
                  name: "#{@report.name}.pdf",
                  data: WickedPdf.new.pdf_from_string(data, build_pdf_config)
              }

            when :csv
              business_module = @report_params[:business_module_id].present? ? BusinessModule.where(id: @report_params[:business_module_id]).first : nil

              csv_data = CSV.generate do |csv|
  
                custom_data_columns = []
                if @data[:columns].include?('custom_fields')

                  custom_data = JSON.parse(@data[:rows].first['custom_fields'])

                  if business_module
                    custom_data.each do |field_name, field_value|
                      custom_data_columns << business_module.organizer_view.selected_fields.where('field_name = ?', field_name).first.label
                    end
                  else
                    custom_data_columns = custom_data.keys
                  end

                  # remove the custom_fields column if it exists
                  @data[:columns].delete('custom_fields')
                end

                csv << @data[:columns] + custom_data_columns

                @data[:rows].each do |row|
                  custom_values = []

                  custom_fields = row.delete('custom_fields')

                  unless custom_fields.blank?
                    custom_data = JSON.parse(custom_fields)

                    if business_module
                      custom_data.each do |field_name, field_value|
                        case business_module.organizer_view.selected_fields.where('field_name = ?', field_name).first.field_type.internal_identifier
                          when 'address'
                            if field_value.blank?
                              custom_values << ''
                            else
                              custom_values << "#{field_value['address_line_1']} #{field_value['address_line_2']} #{field_value['city']} #{field_value['state']}, #{field_value['zip']} #{field_value['country']}"
                            end
                          else
                            custom_values << field_value
                        end

                      end
                    else
                      custom_values = custom_data.values
                    end
                  end

                  csv << row.values + custom_values
                end
              end

              file_attachments << {
                  name: "#{@report.name}.csv",
                  data: csv_data
              }
            else
              raise 'Invalid Format'
          end
        end

        file_attachments
      end

    end

  rescue StandardError => ex
    Rails.logger.error ex.message
    Rails.logger.error ex.backtrace.join("\n")

    # email notification
    ExceptionNotifier.notify_exception(ex) if defined? ExceptionNotifier

    "Error running report"
  end
end