Class: InvoiceMaker::Invoice

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

Constant Summary collapse

PDF_CONTENT_TYPE = 
'application/pdf'
JSON_CONTENT_TYPE = 
'application/json'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Invoice

Returns a new instance of Invoice.



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# File 'lib/invoice_maker/invoice.rb', line 9

def initialize
  @dest_dir = '/tmp'
  @data = Hash.new
  @base_uri = 'https://invoice-generator.com'
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/invoice_maker/invoice.rb', line 7

def data
  @data
end

#dest_dir ⇒ Object

Returns the value of attribute dest_dir.



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# File 'lib/invoice_maker/invoice.rb', line 6

def dest_dir
  @dest_dir
end

Instance Method Details

#append_item(item) ⇒ Object 



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# File 'lib/invoice_maker/invoice.rb', line 24

def append_item(item)
  raise "Unable to add items to an empty invoice data.  Did you 'set' first?" if @data.empty?
  @data['items'] = [] unless @data.has_key?('items')
  @data['items'].push item unless @data.empty?
end

#generate ⇒ Object

Let’s generate a pdf



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# File 'lib/invoice_maker/invoice.rb', line 31

def generate
  response = HTTParty.post(@base_uri, body: @data.to_json, headers: { "Content-Type" => JSON_CONTENT_TYPE })
  if response.success? && response.content_type == PDF_CONTENT_TYPE
    filename = File.join(@dest_dir, SecureRandom.urlsafe_base64(16)) + '.pdf'
    save_pdf(filename, response.parsed_response)
  else
    return nil
  end
  return filename
end

#set(options = {}) ⇒ Object

set invoice data



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# File 'lib/invoice_maker/invoice.rb', line 16

def set(options = {})
  @data = options
end