Class: KindleMailer

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(email_credentials) ⇒ KindleMailer

Returns a new instance of KindleMailer.

Raises:

  • (ArgumentError) 


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# File 'lib/KindleMailer.rb', line 8

def initialize(email_credentials)
  raise ArgumentError, "You must supply email credentials to use KindleMailer" if email_credentials.nil?
  @email_credentials = email_credentials
end

Instance Attribute Details

#email_credentials ⇒ Object

Returns the value of attribute email_credentials.



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# File 'lib/KindleMailer.rb', line 7

def email_credentials
  @email_credentials
end

#kindle_address ⇒ Object

Returns the value of attribute kindle_address.



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# File 'lib/KindleMailer.rb', line 6

def kindle_address
  @kindle_address
end

Instance Method Details

#create_filename(file) ⇒ Object 



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# File 'lib/KindleMailer.rb', line 62

def create_filename(file)
  new_filename = Digest::MD5.file(file).to_s+"_"+rand(1000000).to_s+File.extname(file)
end

#send(kindle_address, file) ⇒ Object 



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# File 'lib/KindleMailer.rb', line 13

def send(kindle_address, file)
  begin
    validate_kindle_address(kindle_address)
    @kindle_address = kindle_address

    filepath = File.expand_path(file)
    validate_file_path(filepath)


    puts "Preparing #{File.basename(filepath)} to be sent to #{@kindle_address}"

    if(File.extname(filepath).eql?(".mobi"))
      filepath = stage_file(filepath)
    end

    message = GmailMailer::Message.new(@kindle_address)
    message.add_attachment(filepath)
    
    mailer = GmailMailer::Mailer.new(@email_credentials)
    mailer.send(message)
  rescue 
    raise 
  ensure
    FileUtils.rm(filepath) if(File.extname(filepath).eql?(".mobi"))
  end

  puts "#{File.basename(file)} was successfully sent to #{@kindle_address}"
  return true
end

#stage_file(filepath) ⇒ Object 



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# File 'lib/KindleMailer.rb', line 55

def stage_file(filepath)
  new_filename=create_filename(filepath)
  new_location = File.expand_path(STAGING_DIR + "/" + new_filename)
  FileUtils.cp(filepath, new_location)
  new_location
end

#validate_file_path(filepath) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/KindleMailer.rb', line 43

def validate_file_path(filepath)
  raise ArgumentError, "The file you have specified does not exist #{SEE_HELP}" if filepath.nil? || !File.exist?(filepath)
  raise ArgumentError, "The file you have specified is not a valid type #{SEE_HELP}" if VALID_FILE_TYPES.include?(File.extname(filepath)) == false
  return true 
end

#validate_kindle_address(addr) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/KindleMailer.rb', line 49

def validate_kindle_address(addr)
  raise ArgumentError, "You must supply an address to send this item to" if addr.nil?
  raise ArgumentError, "#{addr} does not appear to be a valid kindle address" if !addr.end_with?("@kindle.com")
  return true 
end