Module: Trophonius::Connection

Defined in:
lib/trophonius_connection.rb

Class Method Summary collapse

Class Method Details

.connect ⇒ String

Creates a new connection to FileMaker

Returns:

  • (String) —

    the token used to connect with the FileMaker data api



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

def self.connect
  if Trophonius.config.redis_connection
    Trophonius::RedisManager.set_key(key: 'token', value: setup_connection)
    Trophonius::RedisManager.set_key(key: 'last_connection', value: Time.now)
    token = Trophonius::RedisManager.get_key(key: 'token')
    token
  else
    @token = setup_connection
    @last_connection = Time.now
    @token
  end
end

.last_connection ⇒ Time

Returns the receive time of the last received token

Returns:

  • (Time) —

    Returns the receive time of the last received token



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# File 'lib/trophonius_connection.rb', line 90

def self.last_connection
  last = Trophonius.config.redis_connection ? Trophonius::RedisManager.get_key(key: 'last_connection') : nil
  last = last.nil? ? nil : Time.parse(last)
  Trophonius.config.redis_connection ? last : @last_connection
end

.setup_connection ⇒ String

Creates and runs a HTTP request to create a new data api connection This method throws an error when the request returns with a HTTP error or a FileMaker error

Returns:

  • (String) —

    the token used to connect with the FileMaker data api if successful



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# File 'lib/trophonius_connection.rb', line 30

def self.setup_connection
  if Trophonius.config.redis_connection
    Trophonius::RedisManager.set_key(key: 'token', value: '')
    Trophonius::RedisManager.set_key(key: 'last_connection', value: nil)
  else
    @token = ''
  end
  ssl_verifyhost = Trophonius.config.local_network ? 0 : 2
  ssl_verifypeer = !Trophonius.config.local_network
  url =
    URI(
      "http#{Trophonius.config.ssl == true ? 's' : ''}://#{Trophonius.config.host}/fmi/data/v1/databases/#{Trophonius.config.database}/sessions"
    )
  request =
    Typhoeus::Request.new(
      url,
      method: :post,
      body:
        if Trophonius.config.external_name.empty?
          {}
        else
          {
            fmDataSource: [
              {
                database: Trophonius.config.external_name,
                username: Trophonius.config.external_username,
                password: Trophonius.config.external_password
              }
            ]
          }.to_json
        end,
      params: {},
      ssl_verifyhost: ssl_verifyhost,
      ssl_verifypeer: ssl_verifypeer,
      headers: {
        'Content-Type' => 'application/json',
        Authorization: "Basic #{Base64.strict_encode64("#{Trophonius.config.username}:#{Trophonius.config.password}")}"
      }
    )
  temp = request.run

  begin
    parsed = JSON.parse(temp.response_body)
  rescue Exception => e
    Error.throw_error('1631')
  end
  Error.throw_error(parsed['messages'][0]['code']) if parsed['messages'][0]['code'] != '0'
  return parsed['response']['token']
end

.test_connection ⇒ Boolean

Tests whether the FileMaker token is still valid

Returns:

  • (Boolean) —

    True if the token is valid False if invalid



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# File 'lib/trophonius_connection.rb', line 99

def self.test_connection
  url =
    URI(
      "http#{Trophonius.config.ssl == true ? 's' : ''}://#{Trophonius.config.host}/fmi/data/v1/databases/#{Trophonius.config.database}/layouts/#{
        Trophonius.config.layout_name
      }/records?_limit=1"
    )
  begin
    request =
      Typhoeus::Request.new(
        url,
        method: :get, body: {}, params: {}, headers: { 'Content-Type' => 'application/json', Authorization: "Bearer #{@token}" }
      )
    temp = request.run
    JSON.parse(temp.response_body)['messages'][0]['code'] == '0'
  rescue StandardError
    return false
  end
end

.token ⇒ String

Returns the last received token

Returns:

  • (String) —

    the last valid token used to connect with the FileMaker data api



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# File 'lib/trophonius_connection.rb', line 83

def self.token
  return Trophonius.config.redis_connection ? Trophonius::RedisManager.get_key(key: 'token') : @token
end

.valid_connection? ⇒ Boolean

Returns whether the current connection is still valid

Returns:

  • (Boolean) —

    True if the connection is valid False if invalid



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# File 'lib/trophonius_connection.rb', line 122

def self.valid_connection?
  if Trophonius.config.layout_name != '' && test_connection == false
    false
  else
    last_connection.nil? ? false : (((Time.now - last_connection) / 60).round <= 15 || test_connection)
  end
end