Module: DbSession

Defined in:
lib/db_session.rb,
lib/db_session/version.rb,
lib/generators/db_session/install_generator.rb

Defined Under Namespace

Modules: Generators

Constant Summary collapse

SESSION_KEY = 
:db_session_store_id
VERSION = 
'1.0.1'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.setup {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:

  • _self (DbSession) —

    the object that the method was called on



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# File 'lib/db_session.rb', line 12

def self.setup
  yield self
end

Instance Method Details

#add_to_db_session(key, object) ⇒ Object 



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# File 'lib/db_session.rb', line 53

def add_to_db_session(key, object)
  can_be_stored = can_be_stored?(object)

  if can_be_stored
    db_session_id = session[SESSION_KEY]
    db_session_id ? db_session = DbSessionStore.find_by(id: db_session_id) : db_session = nil

    db_session ? main_data_object = JSON.parse(db_session.serialized_data) : main_data_object = {}
    main_data_object[key] = {class: get_class(object), object: object}

    if db_session
      db_session.serialized_data = main_data_object.to_json
      db_session.save
    else
      db_session = DbSessionStore.create(serialized_data: main_data_object.to_json)
    end

    session[SESSION_KEY] = db_session.id
  end

  clear_expired_sessions

  can_be_stored
end

#clear_db_session ⇒ Object 



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# File 'lib/db_session.rb', line 78

def clear_db_session
  db_session_id = session[SESSION_KEY]
  if db_session_id
    db_session = DbSessionStore.find_by(id: db_session_id)
    db_session.destroy if db_session
  end
end

#get_from_db_session(key = nil) ⇒ Object 



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# File 'lib/db_session.rb', line 16

def get_from_db_session(key=nil)
  db_session_id = session[SESSION_KEY]
  db_session_id ? db_session = DbSessionStore.find_by(id: db_session_id) : db_session = nil

  if db_session
    main_data_object = JSON.parse(db_session.serialized_data)

    if key
      return rebuild_object(main_data_object[key.to_s])
    else
      main_data_object.each do |k, v|
        main_data_object[k] = rebuild_object(main_data_object[k])
      end
      return main_data_object
    end
  end
end

#set_db_session(key, object) ⇒ Object 



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# File 'lib/db_session.rb', line 34

def set_db_session(key, object)
  clear_db_session

  can_be_stored = can_be_stored?(object)

  if can_be_stored
    main_data_object = {}
    main_data_object[key] = {class: get_class(object), object: object}

    db_session = DbSessionStore.create(serialized_data: main_data_object.to_json)

    session[SESSION_KEY] = db_session.id
  end

  clear_expired_sessions

  can_be_stored
end