Method: Autumn::Leaf#database_name

Defined in:
lib/autumn/leaf.rb

#database_name ⇒ Object

Trues to guess the name of the database connection this leaf is using. Looks for database connections named after either this leaf’s identifier or this leaf’s class name. Returns nil if no suitable connection is found.



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# File 'lib/autumn/leaf.rb', line 330

def database_name # :nodoc:
  return nil unless Module.constants.include? 'DataMapper' or Module.constants.include? :DataMapper
  raise "No such database connection #{options[:database]}" if options[:database] and DataMapper::Repository.adapters[options[:database]].nil?
  # Custom database connection specified
  return options[:database].to_sym if options[:database]
  # Leaf config name
  return leaf_name.to_sym if DataMapper::Repository.adapters[leaf_name.to_sym]
  # Leaf config name, underscored
  return leaf_name.methodize.to_sym if DataMapper::Repository.adapters[leaf_name.methodize.to_sym]
  # Leaf class name
  return self.class.to_s.to_sym if DataMapper::Repository.adapters[self.class.to_s.to_sym]
  # Leaf class name, underscored
  return self.class.to_s.methodize.to_sym if DataMapper::Repository.adapters[self.class.to_s.methodize.to_sym]
  # I give up
  return nil
end