Class: Widget::Data

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/widget/widget_data.rb

Instance Method Summary collapse

Constructor Details

#initialize(clean_slate = false) ⇒ Data

Returns a new instance of Data.



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# File 'lib/widget/widget_data.rb', line 9

def initialize(clean_slate=false)
  hm = HashModel.new
  save_widgets(HashModel.new) unless File.exist?(HASHMODEL_FILE) || clean_slate
  @widgets = load_widgets
end

Instance Method Details

#create(name) ⇒ Object

CRUD



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# File 'lib/widget/widget_data.rb', line 22

def create(name)
  return false unless @widgets.where(name).empty?
  time_now = now
  @widgets.add(:name=>name, :created_at=>time_now, :modified_at=>time_now)
  save_widgets
  true
end

#delete(name) ⇒ Object 



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# File 'lib/widget/widget_data.rb', line 41

def delete(name)
  return false if @widgets.where(name).empty?
  @widgets.delete!(name)
  save_widgets
  true
end

#delete_all ⇒ Object

CRUD helpers



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# File 'lib/widget/widget_data.rb', line 50

def delete_all
  @widgets.clear
  save_widgets
end

#length ⇒ Object Also known as: count 



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# File 'lib/widget/widget_data.rb', line 15

def length
  @widgets.length
end

#read(name) ⇒ Object 



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# File 'lib/widget/widget_data.rb', line 30

def read(name)
  @widgets.where(name)
end

#read_all ⇒ Object 



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# File 'lib/widget/widget_data.rb', line 55

def read_all
  @widgets.clone
end

#reload ⇒ Object 



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# File 'lib/widget/widget_data.rb', line 59

def reload
  load_widgets
end

#update(name) ⇒ Object 



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# File 'lib/widget/widget_data.rb', line 34

def update(name)
  # note the destructive update! method
  changed = !(@widgets.update!(name, :modified_at=>now).empty?)
  save_widgets
  changed
end