Class: Html2Email

Inherits:
Object
  • Object
show all
Defined in:
lib/html2email.rb

Overview

Command line wrapper for creating and writing HtmlEmail objects

Constant Summary collapse

VERSION = 
'0.1.4'

Instance Method Summary collapse

Constructor Details

#initialize(args = []) ⇒ Html2Email

Returns a new instance of Html2Email.



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# File 'lib/html2email.rb', line 12

def initialize(args = [])
  @args, @options = args, { :default_type => 'str', :test_recipients => [] }
end

Instance Method Details

#options ⇒ Object 



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# File 'lib/html2email.rb', line 16

def options
  OptionParser.new do |opt|
    opt.banner = %Q{\
      Convert an html file to an email-compatible form.

      Usage: #{File.basename $0} [options] [infile[:outfile], ...]

      Options:
    }.gsub(/^ +/,'')

    opt.on('-l', '--layout FILE', 'Use FILE as a layout template') do |arg|
      @options[:layout] = File.expand_path arg
    end

    types = Tilt.mappings.keys
    opt.on('-t', '--default-type FORMAT',
           'Fall back to FORMAT when template type cannot be inferred from',
           "a file's extension, e.g. input from STDIN. " +
           "Defaults to `#{@options[:default_type]}'") do |arg|
      if types.include? arg
        @options[:default_type] = arg
      else
        raise ArgumentError, "Default type must be one of: #{types.join ', '}"
      end
    end

    opt.on('-e', '--email [ADDR,ADDR]', Array,
           'Send rendered html to recipients; list can also be defined',
           'within the template') do |arg|
      @options[:email_test] = true
      @options[:test_recipients] = arg || []
    end

    opt.on('--stdout',
           'Write to STDOUT when an outfile is not explicitly specified') do
      @options[:stdout] = true
    end

    opt.separator "\nSupported FORMATs:\n#{types.join ', '}"
  end
end

#run ⇒ Object

Command line interface



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# File 'lib/html2email.rb', line 59

def run
  options.parse! @args
  messages = []

  process(@args).each do |infile, outfile|
    htmlemail = HtmlEmail.new infile, @options[:layout], @options
    write (html = htmlemail.render), outfile
    messages << html
    @options[:test_recipients] += htmlemail.test_recipients
  end

  if @options[:email_test]
    HtmlMailer.new(messages, @options[:test_recipients].uniq).html_send
  end
ensure
  FileUtils.rm_f(@tempfile) if @tempfile
end