Module: Merb::Orms::Sequel

Defined in:
lib/merb/orms/sequel/connection.rb

Defined Under Namespace

Classes: Connect

Class Method Summary collapse

Class Method Details

.config ⇒ Object 



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# File 'lib/merb/orms/sequel/connection.rb', line 26

def config
  @config ||= begin
    # Convert string keys to symbols
    full_config = Erubis.load_yaml_file(config_file)
    config = (Merb::Plugins.config[:merb_sequel] = {})
    (full_config[Merb.environment.to_sym] || full_config[Merb.environment] || full_config[:development]).each do |key, value|
      config[key.to_sym] = value
    end
    config
  end
end

.config_file ⇒ Object 



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# File 'lib/merb/orms/sequel/connection.rb', line 10

def config_file() Merb.dir_for(:config) / "database.yml" end

.config_options(config = {}) ⇒ Object 



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# File 'lib/merb/orms/sequel/connection.rb', line 59

def config_options(config = {})
  options = {}
  
  # Use SQLite by default
  options[:adapter]  = (config[:adapter]  || "sqlite")
  # Use localhost as default host
  options[:host]     = (config[:host]     || "localhost")          
  # Default user is an empty string. Both username and user keys are supported.
  options[:user]     = (config[:username] || config[:user] || "")
  
  options[:password] = config[:password] || ""
  
  # Both encoding and charset options are supported, default is utf8
  options[:encoding] = (config[:encoding] || config[:charset] || "utf8")
  # Default database is hey_dude_configure_your_database
  options[:database] = config[:database] || "hey_dude_configure_your_database"
  # MSSQL support
  options[:db_type] = config[:db_type]  if config[:db_type]
  options[:socket] = config[:socket] if config[:socket]
  options[:logger]   = Merb.logger
  options
end

.connect ⇒ Object

Database connects as soon as the gem is loaded



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# File 'lib/merb/orms/sequel/connection.rb', line 39

def connect
  if File.exists?(config_file)
    Merb.logger.info!("Connecting to the '#{config[:database]}' database on '#{config[:host]}' using '#{config[:adapter]}' ...")
    connection = ::Sequel.connect(config_options(config))
    begin
      connection.test_connection
    rescue => e
      Merb.logger.error!("Connection Error: #{e}")
      exit(1)
    end
    connection
  else
    copy_sample_config
    Merb.logger.set_log(STDERR)
    Merb.logger.error! "No database.yml file found at #{config_file}."
    Merb.logger.error! "A sample file was created called #{sample_dest} for you to copy and edit."
    exit(1)
  end
end

.copy_sample_config ⇒ Object 



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# File 'lib/merb/orms/sequel/connection.rb', line 22

def copy_sample_config
  FileUtils.cp sample_source, sample_dest unless File.exists?(sample_dest)
end

.new_sequel? ⇒ Boolean

Determine if we use Sequel 3 or not

Returns

Boolean

True if using Sequel >= 2.12.0 or False

Returns:

  • (Boolean) 


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# File 'lib/merb/orms/sequel/connection.rb', line 18

def new_sequel?
  /^(2.12|3)/ =~ ::Sequel.version
end

.sample_dest ⇒ Object 



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# File 'lib/merb/orms/sequel/connection.rb', line 11

def sample_dest() Merb.dir_for(:config) / "database.yml.sample" end

.sample_source ⇒ Object 



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# File 'lib/merb/orms/sequel/connection.rb', line 12

def sample_source() File.dirname(__FILE__) / "database.yml.sample" end