class Paperclip::Document::Processors::Counter
This processor extract the OCR text of the file
Attributes
pages_count_column[RW]
Public Class Methods
new(file, options = {}, attachment = nil)
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Calls superclass method
Paperclip::Document::Processor::new
# File lib/paperclip/document/processors/counter.rb, line 8 def initialize(file, options = {}, attachment = nil) super(file, options, attachment) if @options[:pages_count_column].nil? && pages_count_column? @options[:pages_count_column] = default_pages_count_column end @pages_count_column = @options[:pages_count_column] unless @pages_count_column raise Paperclip::Error, 'No pages count column given' end end
Public Instance Methods
default_pages_count_column()
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Returns the name of the default pages count column
# File lib/paperclip/document/processors/counter.rb, line 39 def default_pages_count_column @attachment.name.to_s + '_pages_count' end
make()
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Extract the pages count of all the document
# File lib/paperclip/document/processors/counter.rb, line 21 def make count = Docsplit.extract_length(file_path.to_s) instance[pages_count_column] = count instance.run_callbacks(:save) { false } File.open(file.path) end
pages_count_column?()
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Check if a pages count column is present
# File lib/paperclip/document/processors/counter.rb, line 31 def pages_count_column? expected_column = default_pages_count_column @attachment.instance.class.columns.detect do |column| column.name.to_s == expected_column end end