Class: ActsAsConfiguration::Configuration

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

Overview

The object how controll the data

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/acts_as_configuration.rb', line 11

def initialize(options={})
  @model = options[:model]
  @column_name = options[:column_name].to_s
  @columns = expand_options options[:columns], { :not_call_symbol => [:boolean], :not_expand => [:validate, :default] }
  @value = get_defaults_values options

  raise "#{@column_name} should by text or string not #{options[:model].column_for_attribute(@column_name.to_sym).type}" if not [:text, :stiring].include? options[:model].column_for_attribute(@column_name.to_sym).type

  out = YAML.parse(@model[@column_name].to_s)
  if out == false
    db_value = nil
  else
    db_value = out.to_ruby
  end
  @value.merge! db_value if db_value.kind_of? Hash

  initialize_values

  # Raise or not if fail?...
  @model.attributes[@column_name] = @value
  @model.save(:validate => false)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object

The “magic” happen here. Use the undefined method as a column



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# File 'lib/acts_as_configuration.rb', line 49

def method_missing(m, *args, &block)
  # If the method don't finish in "=" is fore read
  if m !~ /\=$/
    self[m.to_s]
  # but if finish with "=" is for wirte
  else
    column_name = m.to_s.gsub(/\=$/, '')
    self[column_name.to_s] = args.first
  end
end

Instance Method Details

#[](key) ⇒ Object 



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

def [](key)
  @value[key.to_s]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/acts_as_configuration.rb', line 38

def []=(key, value)
  if  (@columns[key.to_sym][:type] == :boolean and (not [true.class, false.class].include? value.class)) or
      ((not [:boolean, nil].include?(@columns[key.to_sym][:type])) and @columns[key.to_sym][:type] != value.class )
    raise "#{value.inspect} is not a valid type, expected #{@columns[key.to_sym][:type]}"
  end
  @value[key.to_s] = value
  @model.send :"#{@column_name}=", @value.to_yaml
end