Module: Propensity::Preferences::Preferable

Included in:
Configuration
Defined in:
app/models/propensity/preferences/preferable.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 15

def self.included(base)
  base.class_eval do
    extend Preferences::PreferableClassMethods

    if respond_to?(:after_create)
      after_create do |obj|
        obj.save_pending_preferences
      end
    end

    if respond_to?(:after_destroy)
      after_destroy do |obj|
        obj.clear_preferences
      end
    end

  end
end

Instance Method Details

#clear_preferences ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 93

def clear_preferences
  preferences.keys.each {|pref| preference_store.delete preference_cache_key(pref)}
end

#get_preference(name) ⇒ Object Also known as: preferred, prefers? 



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# File 'app/models/propensity/preferences/preferable.rb', line 34

def get_preference(name)
  has_preference! name
  send self.class.preference_getter_method(name)
end

#has_preference!(name) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 61

def has_preference!(name)
  raise NoMethodError.new "#{name} preference not defined" unless has_preference? name
end

#has_preference?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/propensity/preferences/preferable.rb', line 65

def has_preference?(name)
  respond_to? self.class.preference_getter_method(name)
end

#preference_cache_key(name) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 81

def preference_cache_key(name)
  return unless id
  [self.class.name, name, id].join('::').underscore
end

#preference_default(name) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 51

def preference_default(name)
  has_preference! name
  send self.class.preference_default_getter_method(name)
end

#preference_description(name) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 56

def preference_description(name)
  has_preference! name
  send self.class.preference_description_getter_method(name)
end

#preference_type(name) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 46

def preference_type(name)
  has_preference! name
  send self.class.preference_type_getter_method(name)
end

#preferences ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 69

def preferences
  prefs = {}
  methods.grep(/^prefers_.*\?$/).each do |pref_method|
    prefs[pref_method.to_s.gsub(/prefers_|\?/, '').to_sym] = send(pref_method)
  end
  prefs
end

#save_pending_preferences ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 86

def save_pending_preferences
  return unless @pending_preferences
  @pending_preferences.each do |name, value|
    set_preference(name, value)
  end
end

#set_preference(name, value) ⇒ Object 



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# File 'app/models/propensity/preferences/preferable.rb', line 41

def set_preference(name, value)
  has_preference! name
  send self.class.preference_setter_method(name), value
end