Class: Rowdb::Sync

Inherits:
Adapter show all
Defined in:
lib/adapters/sync.rb

Instance Method Summary collapse

Methods inherited from Adapter

#find_format, #initialize, #normalize_path, #unwrap, #wrap

Constructor Details

This class inherits a constructor from Rowdb::Adapter

Instance Method Details

#read ⇒ Object

Load a JSON string from a file.

Returns:

  • Hash data



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# File 'lib/adapters/sync.rb', line 15

def read()

  json = nil

  # Load JSON inside a Javascript variable.
  if @format == :js && File.exist?(@source)
    File.open(@source, 'r') do |file|
      json = file.read
      # Fix double encoding issue due to JSON string becoming Ruby string.
      json.gsub!('\\"', '"')
      unwrap(json)
    end
  # Load JSON string.
  else
    json = Oj.load_file(@source)
  end

  unless json.nil?

    # Parse JSON.
    data = Oj.load(json)
    return data.transform_keys(&:to_sym)

  end

  return nil

end

#write(data) ⇒ Object

Save a Hash to a file as a JSON string or JS.

Parameters:

  • Hash —

    data



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# File 'lib/adapters/sync.rb', line 49

def write(data)

  json = Oj.dump(data, mode: :compat)

  Oj.to_file(@source, json)

  if @format == :js
    wrap()
  end

end