Class: Mensa::ExportJob

Inherits:
ApplicationJob show all
Defined in:
app/jobs/mensa/export_job.rb

Overview

Generates the CSV for a Mensa::Export, attaches it to the export’s asset and broadcasts the refreshed export button badge and downloads list so the requesting user sees the finished download appear without reloading.

Instance Method Summary collapse

Instance Method Details

#perform(export) ⇒ Object 



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# File 'app/jobs/mensa/export_job.rb', line 12

def perform(export)
  return unless export

  export.update(status: "processing")
  Mensa.config.callbacks[:export_started]&.call(export)

  table = build_table(export)
  unless table.exportable?
    finalize(export, status: "failed")
    return
  end

  data, filename, content_type = generate(table, export)

  export.asset.attach(io: StringIO.new(data), filename: filename, content_type: content_type)
  finalize(export, status: "completed", filename: filename)

  Mensa.config.callbacks[:export_complete]&.call(export)
rescue => e
  Mensa.config.logger&.error("Mensa::ExportJob failed for export #{export_id}: #{e.class}: #{e.message}")
  finalize(export, status: "failed") if export
  raise
end