Class: ExcelProcessor

Inherits:
Object
  • Object
show all
Defined in:
lib/excel_processor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(spreadsheet, image_log = {}) ⇒ ExcelProcessor

Returns a new instance of ExcelProcessor.



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# File 'lib/excel_processor.rb', line 9

def initialize(spreadsheet, image_log={})
  @spreadsheet = spreadsheet
  @image_log = image_log
end

Instance Attribute Details

#image_log ⇒ Object

Returns the value of attribute image_log.



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# File 'lib/excel_processor.rb', line 7

def image_log
  @image_log
end

#spreadsheet ⇒ Object

Returns the value of attribute spreadsheet.



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# File 'lib/excel_processor.rb', line 7

def spreadsheet
  @spreadsheet
end

Instance Method Details

#read_spreadsheet ⇒ Object 



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# File 'lib/excel_processor.rb', line 14

def read_spreadsheet
  excel = WIN32OLE.new('Excel.Application')
  excel.visible = false
  img_log = excel.Workbooks.Open(@spreadsheet)
  img_ws = img_log.Worksheets(1)
     
     # Set-up arrays for column values

    link_array = []
    figure_array = []

    # Pull values from Figure # column

    for row in 10..img_ws.UsedRange.Rows.Count do 
      cell = img_ws.Cells(row,3).value.to_s
      if cell != nil
        c = cell.sub(/(\D*)/, "fig_")
        new_cell = c.sub(/(\.)/, "-")
      else
        new_cell = ""
      end

      figure_array << new_cell
    end
  
    # Pull values from Source URL column

    for row in 10..img_ws.UsedRange.Rows.Count do 
      cell = img_ws.Cells(row,4).Value
      if (cell != nil) && (cell.include?("."))
        new_cell = cell
      else
        new_cell = ""
      end

      link_array << new_cell
    end

    # Zip arrays into hash of figure numbers and links

    @image_log = Hash[figure_array.zip(link_array)]

    # Remove blanks

    @image_log.delete_if { |k, v| k == "" }

  # Shut it down 

  excel.ActiveWorkbook.Close(0)
  excel.Quit
end