Class: XMigra::SourceTreeInitializer

Inherits:
Object
  • Object
show all
Defined in:
lib/xmigra/source_tree_initializer.rb

Defined Under Namespace

Classes: ConfigInfo

Instance Method Summary collapse

Constructor Details

#initialize(root_path) ⇒ SourceTreeInitializer

Returns a new instance of SourceTreeInitializer.



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# File 'lib/xmigra/source_tree_initializer.rb', line 36

def initialize(root_path)
  @root_path = Pathname.new(root_path)
end

Instance Method Details

#create_files! ⇒ Object 



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# File 'lib/xmigra/source_tree_initializer.rb', line 59

def create_files!
  schema_config = ConfigInfo.new(@root_path)
  
  if vcs_system.nil?
    puts "The indicated folder is not under version control.  Some features"
    puts "of this system require version control for full functionality.  If"
    puts "you later decide to use version control, you will need to configure"
    puts "it without assistance from this script."
    puts
    unless Console.yes_no("Continue configuring schema management", :no)
      return
    end
  end
  
  db_system = Console::Menu.new(
    "Supported Database Systems",
    DatabaseSupportModules,
    "Target system",
    :get_name => lambda {|m| m::SYSTEM_NAME}
  ).get_selection
  
  schema_config.dbinfo['system'] = db_system::SYSTEM_NAME
  if db_system.respond_to? :init_schema
    db_system.init_schema(schema_config)
  end
  
  if vcs_system.respond_to? :init_schema
    vcs_system.init_schema(schema_config)
  end
  
  puts "Enter a script comment.  This comment will be prepended to each"
  puts "generated script exactly as given here."
  script_comment = get_user_input_block('script comment').extend(LiteralYamlStyle)
  schema_config.dbinfo['script comment'] = script_comment if script_comment != ''
  
  schema_config.root_path.mkpath
  
  dbinfo_path.open('w') do |dbinfo_io|
    $xmigra_yamler.dump(schema_config.dbinfo, dbinfo_io)
  end
  schema_config.created_file! dbinfo_path
  
  schema_config.run_steps_after_dbinfo_creation!
  
  return schema_config.created_files
end

#dbinfo_path ⇒ Object 



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# File 'lib/xmigra/source_tree_initializer.rb', line 40

def dbinfo_path
  @root_path + SchemaManipulator::DBINFO_FILE
end

#get_user_input_block(input_type) ⇒ Object 



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# File 'lib/xmigra/source_tree_initializer.rb', line 44

def get_user_input_block(input_type)
  puts "Input ends on a line containing nothing but a single '.'."
  "".tap do |result|
    while (line = $stdin.gets).strip != '.'
      result << line
    end
  end
end

#vcs_system ⇒ Object 



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# File 'lib/xmigra/source_tree_initializer.rb', line 53

def vcs_system
  @vcs_system ||= VersionControlSupportModules.find do |m|
    m.manages(@root_path)
  end
end