Class: Quill::BaseModel

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::Model
Defined in:
lib/quill/base_model.rb

Direct Known Subclasses

ActivityModel, ActivitySession

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ BaseModel

Returns a new instance of BaseModel.



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# File 'lib/quill/base_model.rb', line 34

def initialize *args
  @data = {}
  super
  load_model_attributes
end

Class Method Details

.attributes(*attrs) ⇒ Object 



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# File 'lib/quill/base_model.rb', line 13

def self.attributes *attrs
  return @attributes if defined?(@attributes)
  @attributes = attrs

  (attrs.dup.unshift(*@special_attrs).unshift(*key_attributes)).each do |attr|
    class_eval "      def \#{attr}\n        @data[:\#{attr}]\n      end\n\n      def \#{attr}= value\n        @data[:\#{attr}] = value\n      end\n    CODE\n  end\nend\n"

.inherited(subclass) ⇒ Object 



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# File 'lib/quill/base_model.rb', line 9

def self.inherited subclass
  subclass.special_attrs *@special_attrs
end

.key_attributes ⇒ Object 



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# File 'lib/quill/base_model.rb', line 30

def self.key_attributes
  [:_uid]
end

.special_attrs(*attrs) ⇒ Object 



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# File 'lib/quill/base_model.rb', line 4

def self.special_attrs *attrs
  return @special_attrs unless attrs.any?
  @special_attrs = attrs
end

Instance Method Details

#load_model_attributes ⇒ Object 



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# File 'lib/quill/base_model.rb', line 62

def load_model_attributes
  return unless key_present?

  object = find
  object.data = {} if object.data.nil?
  attrs = {}

  attrs[:_uid] = object.uid

  # load attributes defined on the superclass. These attributes
  # are designated by Quill.
  self.class.special_attrs.each do |attr|
    attrs[attr] = object.send(attr)
  end

  # load user defined attributes. This is arbitrary data that the app
  # has stored for this record.
  self.class.attributes.each do |attr|
    attrs[attr] = YAML.load(object.data[attr]) if object.data[attr].present?
  end

  @data.reverse_merge!(attrs)
end

#persist ⇒ Object 



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# File 'lib/quill/base_model.rb', line 44

def persist
  data = @data.except(*self.class.special_attrs.dup << :_uid)
  serialized_data = {}

  data.each do |key, value|
    serialized_data[key] = value.to_yaml
  end

  params = { data: serialized_data }

  self.class.special_attrs.each do |attr|
    params[attr] = send(attr)
  end

  params = filter_params(params) if respond_to?(:filter_params)
  persist_params params
end

#save(options = {}) ⇒ Object 



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# File 'lib/quill/base_model.rb', line 40

def save(options={})
  perform_validations(options) ? persist : false
end

#save! ⇒ Object 



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# File 'lib/quill/base_model.rb', line 86

def save!
  save || raise
end