Class: ConnectionMailchain

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

Overview

Handles the Mailchain API configuration and connection

Instance Method Summary collapse

Constructor Details

#initialize(config, config_file) ⇒ ConnectionMailchain

Initialize configs



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# File 'lib/connection/mailchain.rb', line 9

def initialize(config, config_file)
  @config = config
  @config_file = config_file
  @api = MailchainApi.new(@config['mailchain'])
end

Instance Method Details

#addresses_by_network ⇒ Object

Returns addresses formatted by_network e.g. [{

  "protocol" => "ethereum",
  "network" => "kovan",
  "addresses"=> ["1234567890...", "d5ab4ce..."]
}]



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# File 'lib/connection/mailchain.rb', line 100

def addresses_by_network
  protocol_networks.map do |obj|
    {
      'protocol' => obj['protocol'],
      'network' => obj['network'],
      'addresses' => @api.addresses(obj['protocol'], obj['network'])[:body]['addresses']
    }
  end
end

#configuration_wizard ⇒ Object

# Run the Mailchain API configuration



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# File 'lib/connection/mailchain.rb', line 25

def configuration_wizard
  connection_configuration = ConnectionConfigurationMailchain.new(@config)
  result = connection_configuration.configuration_wizard
  if result['save']
    result['config']['imap'].delete('password')
    new_config_json = JSON.pretty_generate(result['config'])
    File.write(@config_file, new_config_json)
  end
end

#configure_and_connect ⇒ Object

Configures the Mailchain API settings then tests the connection



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# File 'lib/connection/mailchain.rb', line 16

def configure_and_connect
  if !configuration_wizard # TODO: - wire up to connection configuration
    exit
  else
    test_connection
  end
end

#convert_message(message) ⇒ Object

Converts mailchain message to regular email



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# File 'lib/connection/mailchain.rb', line 52

def convert_message(message)
  footer = 'Delivered by Mailchain IMAP Connector'
  c_type = get_content_type(message['headers']['content-type'])

  mail = Mail.new do
    from        message['headers']['from']
    to          message['headers']['to']
    date        message['headers']['date']
    message_id  message['headers']['message-id']
    subject     message['subject']
    if c_type == 'html'
      html_part do
        content_type message['headers']['content-type']
        body "#{message['body']} <br/><br/>#{footer}"
      end
    end
    if c_type == 'plain'
      text_part do
        content_type message['headers']['content-type']
        body "#{message['body']} \r\n#{footer}"
      end
    end
  end
  mail.header['X-Mailchain-Block-Id'] = message['block-id']
  mail.header['X-Mailchain-Block-Id-Encoding'] = message['block-id-encoding']
  mail.header['X-Mailchain-Transaction-Hash']  = message['transaction-hash']
  mail.header['X-Mailchain-Transaction-Hash-Encoding'] = message['transaction-hash-encoding']
  mail
end

#convert_messages(messages) ⇒ Object

Convert and call the append_message for each valid message



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# File 'lib/connection/mailchain.rb', line 132

def convert_messages(messages)
  cmgs = []
  messages.each do |msg|
    next unless msg['status'] == 'ok'

    cm = convert_message(msg)
    cmgs << {
      'message' => cm,
      'message_id' => msg['headers']['message-id'],
      'message_date' => cm.date.to_time
    }
  end
  cmgs
end

#get_content_type(content_type) ⇒ Object

Returns ‘text` or `html`



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# File 'lib/connection/mailchain.rb', line 83

def get_content_type(content_type)
  case content_type
  when '"text/html; charset=\"UTF-8\""'
    'html'
  when '"text/plain; charset=\"UTF-8\""'
    'plain'
  else
    'plain'
  end
end

#get_messages(addr, protocol, network) ⇒ Object

Gets messages from api and returns ‘body` => […]



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# File 'lib/connection/mailchain.rb', line 126

def get_messages(addr, protocol, network)
  address = "#{addr}"
  @api.messages(address, protocol, network)[:body]
end

#messages_by_network(item) ⇒ Object

Returns messages formatted by_network

e.g. [ address, res['messages'] ]



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# File 'lib/connection/mailchain.rb', line 112

def messages_by_network(item)
  protocol = item['protocol']
  network = item['network']
  addresses = item['addresses']
  messages = []
  addresses.each do |address|
    address_val = address["value"]
    res = get_messages(address_val, protocol, network)
    messages << [address_val, res['messages']] unless res['messages'].nil?
  end
  messages
end

#protocol_networks ⇒ Object

Returns array of each network with parent protocol e.g. [=> ‘ethereum’, ‘network’ => ‘ropsten’,…]



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# File 'lib/connection/mailchain.rb', line 149

def protocol_networks
  output = []
  @api.protocols[:body]['protocols'].each do |proto|
    output << proto['networks'].map do |n|
      { 'protocol' => proto['name'], 'network' => n['name'] }
    end
  end
  output.flatten
rescue StandardError => e
  puts "Error: #{e}"
end

#test_connection(silent = false) ⇒ Object

Tests the connection to the Mailchain API



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# File 'lib/connection/mailchain.rb', line 36

def test_connection(silent = false)
  puts 'Testing API connection...' unless silent
  result = true
  begin
    res = @api.version
    res[:status_code] != 200
    puts "Connection was successful (API version: #{res[:body]['version']})" unless silent
  rescue StandardError => e
    puts "Mailchain API failed to connect with the following error: #{e}"
    puts 'Check the Mailchain client is running and configured correctly'
    result = false
  end
  result
end