Class: Unimatrix::Activist::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/unimatrix/activist/resources/base.rb

Direct Known Subclasses

Activity, Error, Realm, Task

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}, associations = {}) {|_self| ... } ⇒ Base

Returns a new instance of Base.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/unimatrix/activist/resources/base.rb', line 54

def initialize( attributes={}, associations={} )
  self.type_name = self.class.name.gsub( /Unimatrix::Activist::/, '' ).underscore

  attributes.each do | key, value |
    if !respond_to?( "#{ key }=" )
      field( key )
    end

    send( "#{ key }=", value )
  end

  associations.each do | key, value |
    self.instance_variable_set( "@_#{ key }", value )
  end

  yield self if block_given?
end

Class Method Details

.field(name, options = {}) ⇒ Object 



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# File 'lib/unimatrix/activist/resources/base.rb', line 11

def field( name, options = {} )
  self.fields[ name.to_sym ] = options.merge( name: name )

  class_eval(
    "def #{ name }(); " +
    "@#{ name }.is_a?( FalseClass ) ? @#{ name } : (" +
       "@#{ name } || " +
         ( options[ :default ].nil? ?
            "nil" :
            ( options[ :default ].is_a?( String ) ?
                "'#{ options[ :default ] }'" :
                  "#{ options[ :default ] }" ) ) + ");" +
    "end;" +
    " " +
    "attr_writer :#{ name };",
    __FILE__,
    __LINE__
  )

end

.has_many(name, options = {}) ⇒ Object 



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# File 'lib/unimatrix/activist/resources/base.rb', line 39

def has_many( name, options = {} )
  define_method name do
    self.instance_variable_get( "@_#{ name }" ) ||
    options[ :default ] || []
  end
end

.has_one(name, options = {}) ⇒ Object 



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# File 'lib/unimatrix/activist/resources/base.rb', line 32

def has_one( name, options = {} )
  define_method name do
    associations = self.instance_variable_get( "@_#{ name.to_s.pluralize }" )
    associations.present? ? associations.first : options[ :default ]
  end
end

.inherited(subclass) ⇒ Object 



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# File 'lib/unimatrix/activist/resources/base.rb', line 7

def inherited( subclass )
  subclass.fields = {}.merge( self.fields )
end

Instance Method Details

#field(name, options = {}) ⇒ Object 



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# File 'lib/unimatrix/activist/resources/base.rb', line 72

def field( name, options = {} )
  self.fields[ name.to_sym ] = options.merge( name: name )

  class_eval(
    "def #{ name }(); " +
    "@#{ name }.is_a?( FalseClass ) ? @#{ name } : (" +
       "@#{ name } || " +
         ( options[ :default ].nil? ?
            "nil" :
            ( options[ :default ].is_a?( String ) ?
                "'#{ options[ :default ] }'" :
                  "#{ options[ :default ] }" ) ) + ");" +
    "end;" +
    " " +
    "attr_writer :#{ name };",
    __FILE__,
    __LINE__
  )
end