Class: Wepo::Mapper

Inherits:
Object
  • Object
show all
Defined in:
lib/wepo/mapper.rb

Instance Method Summary collapse

Constructor Details

#initialize(entity_class:, model_class:) ⇒ Mapper

Returns a new instance of Mapper.



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# File 'lib/wepo/mapper.rb', line 4

def initialize(entity_class:, model_class:)
  @entity_class = entity_class
  @model_class = model_class
end

Instance Method Details

#map_entity(entity) ⇒ Object 



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# File 'lib/wepo/mapper.rb', line 27

def map_entity(entity)
  model = @model_class.find_or_initialize_by(id: entity.id)
  model.attributes.keys.each do |name|
    if name.include?('_id')
      association = name.gsub(/_id/,'').to_sym
      entity_association = entity.send(association)
      model.send(setter(name), entity.send(association).id) if entity_association
    else
      model.send(setter(name), entity.send(name)) if entity.respond_to?(name)
    end
  end
  model
end

#map_model(model) ⇒ Object 



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# File 'lib/wepo/mapper.rb', line 9

def map_model(model)
  entity = @entity_class.new
  entity.attributes.keys.each do |name|
    value = model.send(name)
    if value.respond_to? :each
      values = value.map do |v|
        entity_class = (v.class.name + "Entity").constantize
        mapper = Mapper.new(entity_class: entity_class, model_class: v.class)
        mapper.map_model(v)
      end
      entity.send(setter(name), values)
    else
      entity.send(setter(name), value)
    end
  end
  entity
end