Module: Mongous::Base

Included in:
Mongous
Defined in:
lib/mongous/base.rb

Instance Method Summary collapse

Instance Method Details

#client ⇒ Object 



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# File 'lib/mongous/base.rb', line 94

def client
  if not self.class_variable_defined?( :@@client )
    connect!
  end
  self.class_variable_get( :@@client )
end

#client=(new_client) ⇒ Object 



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# File 'lib/mongous/base.rb', line 101

def client=( new_client )
  if not new_client.is_a?( ::Mongo::Client )
    raise  Mongous::Error, "type invalid. :  #{ new_client }"
  end
  self.class_variable_set( :@@client, new_client )
end

#connect(hosts_or_uri = nil, file: nil, mode: nil, loglevel: nil, **options) ⇒ Object 



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# File 'lib/mongous/base.rb', line 11

def connect( hosts_or_uri = nil, file: nil, mode: nil, loglevel: nil, **options )
  case  hosts_or_uri
  when  Array, String
    hosts_or_uri

  when  NilClass
    if file
      mode  ||=  "development"
      text  =  ::File.open( file ).read    rescue  raise( Mongous::Error, "could not load #{ file }" )
      yaml  =  ::ERB.new( text ).result    rescue  raise( Mongous::Error, "could not parse by ERB: #{ file }" )
      hash  =  ::YAML.load( yaml )
      conf  =  hash[mode]["clients"]["default"]

      hosts_or_uri  =  conf["uri"]
      if hosts_or_uri
        conf.delete( "uri" )
        options.merge!( conf )
      else
        hosts_or_uri  =  conf["hosts"]
        conf.delete( "hosts" )
        database  =  conf["database"]
        conf.delete( "database" )
        options.merge!( conf )
        options["database"]  =  database
      end

    else
      hosts_or_uri  =  [ "localhost:27017" ]
      options[:database]  =  "test"    if options[:database].nil? || options[:database].empty?

    end
  end

  ::Mongo::Logger.logger.level  =  loglevel || Logger::ERROR
  ::Mongo::Client.new( hosts_or_uri, options )
end

#connect!(hosts_or_uri = nil, **options) ⇒ Object 



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# File 'lib/mongous/base.rb', line 48

def connect!( hosts_or_uri = nil, **options )
  client_  =  connect( hosts_or_uri, **options )
  self.class_variable_set( :@@client, client_ )
end

#document!(*names, **opts) ⇒ Object Also known as: attach!

Raises:



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# File 'lib/mongous/base.rb', line 53

def document!( *names, **opts )
  raise  Mongous::Error, "missing argument."   if names.empty?

  names.each do |name|
    case  name
    when  String
      name
    when  Symbol
      name  =  name.to_s
    else
      raise  Mongous::Error, "type invalid. :  #{ name }"
    end

    raise  Mongous::Error, "missing argument."   unless  /^[A-Z]/.match(name)

    if  Object.const_defined?( name )
      if  Object.const_get( name ).include?( Mongous::Document )
        Object.class_eval{ remove_const( name ) }
      else
        raise  Mongous::Error, "type invalid. :  #{ Object.class_eval(name) }"
      end
    end

    klass  =  Object.class_eval <<-CLASS
      class #{name}
        include Mongous::Document
      end
    CLASS

    if opts[:timestamp]
      klass.class_eval do
        field  :created_at, Time, create: proc{ Time.now }
        field  :updated_at, Time, update: proc{ Time.now }
        index  :created_at
        index  :updated_at
      end
    end
  end
end

#loger ⇒ Object 



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# File 'lib/mongous/base.rb', line 108

def loger
  ::Mongo::Logger.logger
end