Module: WdSinatraSequel::DBConnector

Defined in:
lib/wd_sinatra_sequel.rb

Overview

DB Connection ########

Constant Summary collapse

DB_FILE = 
File.join(WDSinatra::AppLoader.root_path, "config", "database.yml")
DB_CONFIG = 
YAML.load_file(DB_FILE)

Class Method Summary collapse

Class Method Details

.connect_to_db ⇒ Object 



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# File 'lib/wd_sinatra_sequel.rb', line 70

def connect_to_db
  if @db_configuration
    if @db_configuration.has_key?('uri')
      uri = @db_configuration['uri']
      config_without_uri = @db_configuration.clone
      config_without_uri.delete('uri')
      connection = Sequel.connect(uri, config_without_uri)
    else
      connection = Sequel.connect(@db_configuration)
    end
  else
    raise "Can't connect without the config previously set"
  end
end

.db_configuration(env = RACK_ENV) ⇒ Object 



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# File 'lib/wd_sinatra_sequel.rb', line 58

def db_configuration(env=RACK_ENV)
  old_connect_status = ENV['DONT_CONNECT']
  set_db_connection(env)
  ENV['DONT_CONNECT'] = old_connect_status
  @db_configuration
end

.db_configurations ⇒ Object 



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# File 'lib/wd_sinatra_sequel.rb', line 65

def db_configurations
  db_configuration unless @db_configurations
  @db_configurations
end

.set_db_connection(env = RACK_ENV) ⇒ Object 



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# File 'lib/wd_sinatra_sequel.rb', line 27

def set_db_connection(env=RACK_ENV)
  # Set the Sequel logger
  loggers = []
  if Object.const_defined?(:LOGGER)
    loggers << LOGGER
  else
    loggers << Logger.new($stdout)
  end

  # Establish the DB connection
  if File.exist?(DB_FILE)
    if DB_CONFIG && DB_CONFIG[env]
      @db_configurations = DB_CONFIG
      @db_configuration = @db_configurations[env]
      # add loggers
      @db_configuration['loggers'] ||= []
      @db_configuration['loggers'].concat(loggers)
      # overwrite DB name by using an ENV variable
      if ENV['FORCED_DB_NAME']
        print "Database name overwritten to be #{ENV['FORCED_DB_NAME']}\n"
        @db_configurations[env]['database'] = @db_configuration['database'] = ENV['FORCED_DB_NAME']
      end
      connect_to_db unless ENV['DONT_CONNECT']
    else
      raise "#{DB_FILE} doesn't have an entry for the #{env} environment"
    end
  else
    raise "#{DB_FILE} file missing, can't connect to the DB"
  end
end