Class: YAMLAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/less_active_record/yaml_adapter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(storage_name) ⇒ YAMLAdapter

Returns a new instance of YAMLAdapter.



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# File 'lib/less_active_record/yaml_adapter.rb', line 6

def initialize(storage_name)
  @file_name = "#{ storage_name }.yml"
  @_mapper = YAMLObjectMapper.new(file_name)
end

Instance Attribute Details

#file_name ⇒ Object (readonly)

Returns the value of attribute file_name.



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# File 'lib/less_active_record/yaml_adapter.rb', line 4

def file_name
  @file_name
end

Instance Method Details

#destroy(id) ⇒ Object 



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# File 'lib/less_active_record/yaml_adapter.rb', line 31

def destroy(id)
  item = search(id: id).first
  unless item.nil?
    _items.delete(item)
    dump_all_items!

    item
  end
end

#insert(attributes) ⇒ Object 



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# File 'lib/less_active_record/yaml_adapter.rb', line 24

def insert(attributes)
  calculate_id.tap do |id|
    _items << attributes.merge(id: id)
    dump_all_items!
  end
end

#search(attributes = {}) ⇒ Object 



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# File 'lib/less_active_record/yaml_adapter.rb', line 41

def search(attributes = {})
  _items.map(&:clone).reject do |item|
    attributes.keys.any? { |key| attributes[key] != item[key] }
  end
end

#update(id, attributes) ⇒ Object 



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# File 'lib/less_active_record/yaml_adapter.rb', line 11

def update(id, attributes)
  item = search(id: id).first
  if item.nil?
    false
  else
    attributes.delete(:id)
    index = _items.index(item)
    _items[index].update(attributes)

    true
  end
end