Class: TaliaCore::DataTypes::PdfData

Inherits:
FileRecord show all
Defined in:
lib/talia_core/data_types/pdf_data.rb

Overview

FileRecord that contains a PDF document.

Instance Attribute Summary

Attributes inherited from DataRecord

#temp_path

Instance Method Summary collapse

Methods inherited from FileRecord

#all_bytes, #get_byte, #position, #reset, #seek, #size

Methods included from TaliaCore::DataTypes::PathHelpers::ClassMethods

#data_path, #tempfile_path

Methods included from DataLoader::ClassMethods

#create_from_url

Methods included from IipLoader

#convert_original?, #create_from_files, #create_from_stream, #create_iip, #open_original_image, #open_original_image_file, #open_original_image_stream, #orig_location, #prepare_image_from_existing!

Methods included from TaliaUtil::IoHelper

#base_for, #file_url, #open_from_url, #open_generic

Methods included from PathHelpers

#data_directory, #data_path, #extract_filename, #file_path, #full_filename, #static_path, #tempfile_path

Methods included from FileStore

#all_text, #assign_type, #create_from_data, #create_from_file, #is_file_open?, #write_file_after_save

Methods inherited from DataRecord

#all_bytes, #content_string, find_by_type_and_location!, find_data_records, #get_byte, #mime_type, #position, #reset, #seek, #size

Instance Method Details

#create_from_writer(writer_opts = {}) ⇒ Object

Create the PDF data using PDF::Writer. The writer will be passed to the block given to this method, and the resulting PDF will be saved as the record’s file.



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# File 'lib/talia_core/data_types/pdf_data.rb', line 15

def create_from_writer(writer_opts = {})
  activate_pdf
  writer = PDF::Writer.new(writer_opts) do |pdf|
    yield(pdf)
  end
  filename = File.join(Dir.tmpdir, "#{rand 10E16}.pdf")
  writer.save_as(filename)
  self.create_from_file('', filename, true) # set to delete tempfile on create
  self
end

#extract_mime_type(location) ⇒ Object

The MIME type is always application/pdf



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# File 'lib/talia_core/data_types/pdf_data.rb', line 8

def extract_mime_type(location)
  'application/pdf'
end