Class: ETL::Parser::ExcelParser

Inherits:
Parser show all
Defined in:
lib/etl/parser/excel_parser.rb

Defined Under Namespace

Classes: Field

Instance Attribute Summary collapse

Attributes inherited from Parser

#options, #source

Instance Method Summary collapse

Methods inherited from Parser

class_for_name

Constructor Details

#initialize(source, options = {}) ⇒ ExcelParser

Initialize the parser

  • source: The Source object

  • options: Parser options Hash



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# File 'lib/etl/parser/excel_parser.rb', line 12

def initialize(source, options={})
  super
  configure
end

Instance Attribute Details

#ignore_blank_line ⇒ Object

Returns the value of attribute ignore_blank_line.



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# File 'lib/etl/parser/excel_parser.rb', line 7

def ignore_blank_line
  @ignore_blank_line
end

Instance Method Details

#each ⇒ Object

Returns each row



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# File 'lib/etl/parser/excel_parser.rb', line 18

def each
  Dir.glob(file).each do |file|
    ETL::Engine.logger.debug "parsing #{file}"
    line = 0
    lines_skipped = 0
    book = Spreadsheet.open file
    loopworksheets = []

    if worksheets.empty?
      loopworksheets = book.worksheets
    else
      worksheets.each do |index|
        loopworksheets << book.worksheet(index)
      end
    end

    loopworksheets.each do |sheet|
      sheet.each do |raw_row|
        if lines_skipped < source.skip_lines
          ETL::Engine.logger.debug "skipping line"
          lines_skipped += 1
          next
        end
        line += 1
        row = {}
        if self.ignore_blank_line and raw_row.empty?
          lines_skipped += 1
          next
        end
        validate_row(raw_row, line, file)
        raw_row.each_with_index do |value, index|
          f = fields[index]
          row[f.name] = value
        end
        yield row
      end
    end
  end
end

#fields ⇒ Object

Get an array of defined fields



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# File 'lib/etl/parser/excel_parser.rb', line 64

def fields
  @fields ||= []
end

#worksheets ⇒ Object

Get an array of defined worksheets



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# File 'lib/etl/parser/excel_parser.rb', line 59

def worksheets
  @worksheets ||= []
end