Class: Djoini::Connection

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/djoini/connection.rb

Overview

Class to manage db connetion to postgres

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.load_database(db_name = 'postgres') ⇒ Object 



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# File 'lib/djoini/connection.rb', line 30

def self.load_database(db_name = 'postgres')
  _db_config_path = File.join(Dir.pwd, '/config/database.yml')

  fail unless File.file?(_db_config_path)

  _conn_config = YAML.load(File.read(_db_config_path))
  Djoini::Connection.instance.establish_connection(_conn_config[db_name])
end

Instance Method Details

#conn ⇒ Object 



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# File 'lib/djoini/connection.rb', line 15

def conn
  db || load_database
end

#establish_connection(params) ⇒ Object 



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# File 'lib/djoini/connection.rb', line 19

def establish_connection(params)
  _adapter = params.fetch('adapter', 'postgres')
  _username = params.fetch('username')
  _password = params.fetch('password', '')
  _host = params.fetch('host', 'localhost')
  _port = params.fetch('port', '5432')
  _db_name = params.fetch('db_name')

  self.db = PG.connect("#{_adapter}://#{_username}:#{_password}@#{_host}:#{_port}/#{_db_name}")
end