Class: ActiveList::Exporters::OpenDocumentSpreadsheetExporter

Inherits:
AbstractExporter
  • Object
show all
Defined in:
lib/active_list/exporters/open_document_spreadsheet_exporter.rb

Constant Summary collapse

DATE_ELEMENTS =
{
  'm' => '<number:month number:style="long"/>',
  'd' => '<number:day number:style="long"/>',
  'Y' => '<number:year/>'
}.freeze

Instance Attribute Summary

Attributes inherited from AbstractExporter

#generator, #table

Instance Method Summary collapse

Methods inherited from AbstractExporter

#columns_headers, #columns_to_array, #initialize

Constructor Details

This class inherits a constructor from ActiveList::Exporters::AbstractExporter

Instance Method Details

#file_extensionObject



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# File 'lib/active_list/exporters/open_document_spreadsheet_exporter.rb', line 16

def file_extension
  'ods'
end

#mime_typeObject



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# File 'lib/active_list/exporters/open_document_spreadsheet_exporter.rb', line 20

def mime_type
  Mime::ODS
end

#send_data_codeObject



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# File 'lib/active_list/exporters/open_document_spreadsheet_exporter.rb', line 24

def send_data_code
  xml_escape = "to_s.gsub('&', '&amp;').gsub('\\'', '&apos;').gsub('<', '&lt;').gsub('>', '&gt;')"
  xml_escape << ".force_encoding('US-ASCII')" if xml_escape.respond_to?(:force_encoding)
  record = 'r'
  code = generator.select_data_code(paginate: false)
  code << "name = #{table.model.name}.model_name.human.gsub(/[^a-z0-9]/i, '_')\n"
  code << "file = ActiveList.temporary_directory.join(name + rand(999_999_999).to_s(36) + '.#{file_extension}')\n"
  code << "FileUtils.mkdir_p(file.dirname)\n"
  code << "Zip::OutputStream.open(file) do |zile|\n"
  # MimeType in first place
  code << "  zile.put_next_entry('mimetype', nil, nil, Zip::Entry::STORED)\n"
  code << "  zile << '#{mime_type}'\n"

  # Manifest
  code << "  zile.put_next_entry('META-INF/manifest.xml')\n"
  code << "  zile << ('<?xml version=\"1.0\" encoding=\"UTF-8\"?><manifest:manifest xmlns:manifest=\"urn:oasis:names:tc:opendocument:xmlns:manifest:1.0\"><manifest:file-entry manifest:media-type=\"#{mime_type}\" manifest:full-path=\"/\"/><manifest:file-entry manifest:media-type=\"text/xml\" manifest:full-path=\"content.xml\"/></manifest:manifest>')\n"
  code << "  zile.put_next_entry('content.xml')\n"

  code << "  zile << ('<?xml version=\"1.0\" encoding=\"UTF-8\"?><office:document-content xmlns:office=\"urn:oasis:names:tc:opendocument:xmlns:office:1.0\" xmlns:style=\"urn:oasis:names:tc:opendocument:xmlns:style:1.0\" xmlns:text=\"urn:oasis:names:tc:opendocument:xmlns:text:1.0\" xmlns:table=\"urn:oasis:names:tc:opendocument:xmlns:table:1.0\" xmlns:draw=\"urn:oasis:names:tc:opendocument:xmlns:drawing:1.0\" xmlns:fo=\"urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:meta=\"urn:oasis:names:tc:opendocument:xmlns:meta:1.0\" xmlns:number=\"urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0\" xmlns:presentation=\"urn:oasis:names:tc:opendocument:xmlns:presentation:1.0\" xmlns:svg=\"urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0\" xmlns:chart=\"urn:oasis:names:tc:opendocument:xmlns:chart:1.0\" xmlns:dr3d=\"urn:oasis:names:tc:opendocument:xmlns:dr3d:1.0\" xmlns:math=\"http://www.w3.org/1998/Math/MathML\" xmlns:form=\"urn:oasis:names:tc:opendocument:xmlns:form:1.0\" xmlns:script=\"urn:oasis:names:tc:opendocument:xmlns:script:1.0\" xmlns:ooo=\"http://openoffice.org/2004/office\" xmlns:ooow=\"http://openoffice.org/2004/writer\" xmlns:oooc=\"http://openoffice.org/2004/calc\" xmlns:dom=\"http://www.w3.org/2001/xml-events\" xmlns:xforms=\"http://www.w3.org/2002/xforms\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:field=\"urn:openoffice:names:experimental:ooxml-odf-interop:xmlns:field:1.0\" office:version=\"1.1\"><office:scripts/>')\n"
  # Styles
  code << "  zile << ('<office:automatic-styles>"\
          '<style:style style:name="co1" style:family="table-column"><style:table-column-properties fo:break-before="auto" style:use-optimal-column-width="true"/></style:style>'\
          '<style:style style:name="header" style:family="table-cell"><style:text-properties fo:font-weight="bold" style:font-weight-asian="bold" style:font-weight-complex="bold"/></style:style>'\
          '<number:date-style style:name="K4D" number:automatic-order="true"><number:text>' + ::I18n.translate('date.formats.default').gsub(/\%./) { |x| '</number:text>' + DATE_ELEMENTS[x[1..1]] + '<number:text>' } + '</number:text></number:date-style><style:style style:name="ce1" style:family="table-cell" style:data-style-name="K4D"/>'\
                                                                                                                                                                                                                             "</office:automatic-styles>')\n"

  # Tables
  code << "  zile << ('<office:body><office:spreadsheet><table:table table:name=\"'+#{table.model.name}.model_name.human.#{xml_escape}+'\">')\n"
  code << "  zile << ('<table:table-column table:number-columns-repeated=\"#{table.exportable_columns.size}\"/>')\n"
  code << "  zile << ('<table:table-header-rows><table:table-row>" + columns_headers.collect { |h| "<table:table-cell table:style-name=\"header\" office:value-type=\"string\"><text:p>'+(#{h}).#{xml_escape}+'</text:p></table:table-cell>" }.join + "</table:table-row></table:table-header-rows>')\n"
  code << "  for #{record} in #{generator.records_variable_name}\n"
  code << "    zile << ('<table:table-row>" + table.exportable_columns.collect do |column|
    '<table:table-cell' + (if column.numeric? || column.datatype == :decimal
                             " office:value-type=\"float\" office:value=\"'+(#{column.datum_code(record)}).#{xml_escape}+'\""
                           elsif column.datatype == :boolean
                             " office:value-type=\"boolean\" office:boolean-value=\"'+(#{column.datum_code(record)}).#{xml_escape}+'\""
                           elsif column.datatype == :date
                             " office:value-type=\"date\" table:style-name=\"ce1\" office:date-value=\"'+(#{column.datum_code(record)}).#{xml_escape}+'\""
                           else
                             ' office:value-type="string"'
                           end) + "><text:p>'+(" + column.exporting_datum_code(record, true) + ").#{xml_escape}+'</text:p></table:table-cell>"
  end.join + "</table:table-row>')\n"
  code << "  end\n"
  code << "  zile << ('</table:table></office:spreadsheet></office:body></office:document-content>')\n"
  code << "end\n"
  code << "send_file(file, stream: false, type: #{mime_type.to_s.inspect}, disposition: 'inline', filename: name+'.#{file_extension}')\n"
  # code << "File.delete(file)\n" # Removes tmp files before they explode the disk
  # raise code
  code
end