Class: IB::Base

Inherits:
Object show all
Extended by:
ActiveModel::Callbacks, ActiveModel::Naming
Includes:
ActiveModel::Serialization, ActiveModel::Serializers::JSON, ActiveModel::Validations
Defined in:
lib/ib/base.rb

Overview

Base class for tableless IB data Models, extends ActiveModel API

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}, opts = {}) ⇒ Base

If a opts hash is given, keys are taken as attribute names, values as data. The model instance fields are then set automatically from the opts Hash.



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# File 'lib/ib/base.rb', line 16

def initialize attributes={}, opts={}
  run_callbacks :initialize do
    error "Argument must be a Hash", :args unless attributes.is_a?(Hash)

    self.attributes = attributes # set_attribute_defaults is now after_init callback
  end
end

Class Method Details

.attr_accessible(*args) ⇒ Object 



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# File 'lib/ib/base.rb', line 67

def self.attr_accessible *args
end

.attr_protected(*args) ⇒ Object

Noop methods mocking ActiveRecord::Base macros



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# File 'lib/ib/base.rb', line 64

def self.attr_protected *args
end

.belongs_to(model, *args) ⇒ Object

ActiveRecord::Base association API mocks



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# File 'lib/ib/base.rb', line 72

def self.belongs_to model, *args
  attr_accessor model
end

.find(*args) ⇒ Object 



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# File 'lib/ib/base.rb', line 89

def self.find *args
  []
end

.has_many(models, *args) ⇒ Object 



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# File 'lib/ib/base.rb', line 80

def self.has_many models, *args
  attr_accessor models

  define_method(models) do
    self.instance_variable_get("@#{models}") ||
      self.instance_variable_set("@#{models}", [])
  end
end

.has_one(model, *args) ⇒ Object 



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# File 'lib/ib/base.rb', line 76

def self.has_one model, *args
  attr_accessor model
end

.serialize(*properties) ⇒ Object

ActiveRecord::Base misc



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# File 'lib/ib/base.rb', line 99

def self.serialize *properties
end

Instance Method Details

#[](key) ⇒ Object

ActiveModel-style read/write_attribute accessors



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# File 'lib/ib/base.rb', line 35

def [] key
  attributes[key.to_sym]
end

#[]=(key, val) ⇒ Object 



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# File 'lib/ib/base.rb', line 43

def []= key, val
  # p key, val
  attributes[key.to_sym] = val
end

#attributes ⇒ Object

ActiveModel API (for serialization)



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# File 'lib/ib/base.rb', line 26

def attributes
  @attributes ||= Hash.new #HashWithIndifferentAccess.new
end

#attributes=(attrs) ⇒ Object 



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# File 'lib/ib/base.rb', line 30

def attributes= attrs
  attrs.keys.each { |key| self.send("#{key}=", attrs[key]) }
end

#new_record? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ib/base.rb', line 52

def new_record?
  true
end

#save ⇒ Object Also known as: save! 



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# File 'lib/ib/base.rb', line 56

def save
  valid?
end

#to_model ⇒ Object 



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# File 'lib/ib/base.rb', line 48

def to_model
  self
end

#update_attribute(key, value) ⇒ Object 



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# File 'lib/ib/base.rb', line 39

def update_attribute key, value
  @attributes[key.to_sym] = value
end