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.



9
10
11
12
 
# 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.



7
8
9
 
# File 'lib/excel_processor.rb', line 7

def image_log
  @image_log
end

#spreadsheet ⇒ Object

Returns the value of attribute spreadsheet.



7
8
9
 
# File 'lib/excel_processor.rb', line 7

def spreadsheet
  @spreadsheet
end

Instance Method Details

#read_spreadsheet ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
# 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