Module: ElaineCrud::ExportHandling

Extended by:
ActiveSupport::Concern
Included in:
BaseController
Defined in:
lib/elaine_crud/export_handling.rb

Overview

Handles data export functionality (CSV, Excel, JSON) Provides export action and format generation methods

Instance Method Summary collapse

Instance Method Details

#export ⇒ Object

Export records in CSV, Excel (XLSX), or JSON format Respects current search/filter state and enforces max export limits



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# File 'lib/elaine_crud/export_handling.rb', line 14

def export
  # Fetch records without pagination for export
  @records = fetch_records_for_export

  # Check record count
  if @records.count > self.class.max_export_records
    redirect_to polymorphic_path(crud_model),
      alert: "Cannot export more than #{self.class.max_export_records} records. Please apply filters to reduce the number of records.",
      status: :see_other
    return
  end

  @columns = determine_columns
  @model_name = crud_model.name

  respond_to do |format|
    format.csv do
      send_data generate_csv(@records, @columns),
        filename: export_filename('csv'),
        type: 'text/csv',
        disposition: 'attachment'
    end

    format.xlsx do
      send_data generate_xlsx(@records, @columns),
        filename: export_filename('xlsx'),
        type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        disposition: 'attachment'
    end

    format.json do
      render json: generate_json(@records, @columns),
        status: :ok
    end
  end
end