Class: SvgTemplateToPdf

Inherits:
Object
  • Object
show all
Defined in:
lib/svg_template_to_pdf.rb,
lib/svg_template_to_pdf/version.rb

Constant Summary collapse

VERSION = 
"0.1.1"

Instance Method Summary collapse

Constructor Details

#initialize(svg_filename, csv_filename, output_folder = "~", pdf_filename = nil) ⇒ SvgTemplateToPdf

Returns a new instance of SvgTemplateToPdf.



8
9
10
11
12
13
 
# File 'lib/svg_template_to_pdf.rb', line 8

def initialize(svg_filename, csv_filename, output_folder = "~", pdf_filename = nil)
  @svg_input     = File.read(svg_filename)
  @csv_filename  = csv_filename
  @output_folder = output_folder
  @pdf_filename  = pdf_filename
end

Instance Method Details

#process ⇒ Object 



23
24
25
26
27
28
29
30
31
 
# File 'lib/svg_template_to_pdf.rb', line 23

def process
  output_files = []
  CSV.read(@csv_filename, headers: true).each_with_index do |row, i| # for each row produce pdf with data
    content = @svg_input.dup
    variables.each { |col| content.sub!("%VAR_#{col}%", row[col].to_s) }
    output_files << Svg2pdf.convert_from_data(content, :pdf, working_dir: @output_folder, output_name: "#{@pdf_filename}#{i}")
  end
  output_files
end

#variables ⇒ Object

Get header names from svg

Raises:

  • (StandardError) 


16
17
18
19
20
21
 
# File 'lib/svg_template_to_pdf.rb', line 16

def variables
  result     = @svg_input.scan(/%VAR_(\w+)%/).flatten
  duplicates = get_duplicates(result)
  raise StandardError, "More than 1 use of variables #{duplicates.join(", ")} in the SVG file." if duplicates.size != 0
  result
end