Class: Gluttonberg::Content::ImportExportCSV::ExportUtils

Inherits:
Object
  • Object
show all
Defined in:
lib/gluttonberg/content/import_export_csv.rb

Overview

ClassMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(all_records, local_options, klass) ⇒ ExportUtils

Returns a new instance of ExportUtils.



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 81

def initialize(all_records, local_options, klass)
  self.all_records = all_records
  self.local_options = local_options
  self.klass = klass
end

Instance Attribute Details

#all_records ⇒ Object

Returns the value of attribute all_records.



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 80

def all_records
  @all_records
end

#export_column_names ⇒ Object

Returns the value of attribute export_column_names.



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 80

def export_column_names
  @export_column_names
end

#export_wysiwyg_columns ⇒ Object

Returns the value of attribute export_wysiwyg_columns.



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 80

def export_wysiwyg_columns
  @export_wysiwyg_columns
end

#klass ⇒ Object

Returns the value of attribute klass.



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 80

def klass
  @klass
end

#local_options ⇒ Object

Returns the value of attribute local_options.



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 80

def local_options
  @local_options
end

Class Method Details

.export(all_records, local_options, klass) ⇒ Object 



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 87

def self.export(all_records, local_options, klass)
  export_utils = ExportUtils.new(all_records, local_options, klass)
  export_utils.prepare_export_column_names
  require 'csv'

  csv_string = CSV.generate do |csv|
    csv << export_utils.all_export_columns
    export_utils.all_records.each do |record|
      csv << export_utils.prepare_row(record)
    end
  end
  csv_string
end

Instance Method Details

#_prepare_names(source, default) ⇒ Object 



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 113

def _prepare_names(source, default)
  if self.local_options && self.local_options.has_key?(source)
    self.local_options[source].dup
  else
    klass.send(default).dup
  end
end

#all_export_columns ⇒ Object 



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 121

def all_export_columns
  temp_columns = self.export_column_names.blank? ? [] : self.export_column_names.dup
  temp_columns << self.export_wysiwyg_columns.dup unless self.export_wysiwyg_columns.blank?
  temp_columns << :published_at
  temp_columns << :updated_at
  temp_columns = temp_columns.flatten
  temp_columns.uniq!
  temp_columns
end

#prepare_export_column_names ⇒ Object 



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 101

def prepare_export_column_names
  
  self.export_column_names = _prepare_names(:export_columns, :import_export_columns)
  self.export_wysiwyg_columns = _prepare_names(:wysiwyg_columns, :wysiwyg_columns)
  

  if self.export_column_names.blank?
    raise "Please define export_column_names property"
  end
  self.export_column_names
end

#prepare_row(record) ⇒ Object 



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# File 'lib/gluttonberg/content/import_export_csv.rb', line 131

def prepare_row(record)
  row = []
  self.all_export_columns.each do |column|
    if self.export_wysiwyg_columns && self.export_wysiwyg_columns.include?(column)
      if record.send(column).blank?
        row << ""
      else
        val = record.send(column)
        if val.is_a? String
          row << val.html_safe
        elsif val.is_a? String
          row << val.collect{|v| v.is_a? String ? v.html_safe : v}
        else
          row << val
        end
      end
    else
      row << record.send(column)
    end
  end
  row.flatten
end