Class: A2z::Responses::Item

Inherits:
Object show all
Includes:
Helpers
Defined in:
lib/a2z/responses/item.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Helpers

included

Constructor Details

#initialize ⇒ Item

Returns a new instance of Item.



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# File 'lib/a2z/responses/item.rb', line 9

def initialize
  @links = []
  @attrs = {}
  @image_sets = {}
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



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# File 'lib/a2z/responses/item.rb', line 23

def method_missing(name, *args, &block)
  method_name = name.to_s
  
  if method_name.end_with?('?')  # && method_name != 'has_key?'
    has_key?(method_name.sub(/\?$/, ''))
  elsif has_key?(method_name)
    self[method_name]
  else
    super
  end
end

Instance Attribute Details

#asin ⇒ Object

Returns the value of attribute asin.



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# File 'lib/a2z/responses/item.rb', line 6

def asin
  @asin
end

#detail_page_url ⇒ Object

Returns the value of attribute detail_page_url.



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# File 'lib/a2z/responses/item.rb', line 6

def detail_page_url
  @detail_page_url
end

#image_sets ⇒ Object

Returns the value of attribute image_sets.



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# File 'lib/a2z/responses/item.rb', line 6

def image_sets
  @image_sets
end

#large_image ⇒ Object

Returns the value of attribute large_image.



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# File 'lib/a2z/responses/item.rb', line 6

def large_image
  @large_image
end

#links ⇒ Object

Returns the value of attribute links.



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# File 'lib/a2z/responses/item.rb', line 6

def links
  @links
end

#medium_image ⇒ Object

Returns the value of attribute medium_image.



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# File 'lib/a2z/responses/item.rb', line 6

def medium_image
  @medium_image
end

#parent_asin ⇒ Object

Returns the value of attribute parent_asin.



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# File 'lib/a2z/responses/item.rb', line 6

def parent_asin
  @parent_asin
end

#small_image ⇒ Object

Returns the value of attribute small_image.



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# File 'lib/a2z/responses/item.rb', line 6

def small_image
  @small_image
end

Class Method Details

.from_response(data) ⇒ Object 



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# File 'lib/a2z/responses/item.rb', line 47

def self.from_response(data)
  new.tap do |item|
    item.asin = data['ASIN']
    item.parent_asin = data['ParentASIN']
    item.detail_page_url = data['DetailPageURL']
    
    if data['ItemLinks']
      item.links = data['ItemLinks']['ItemLink'].collect { |link| ItemLink.from_response(link) }
    end
    
    if data['ItemAttributes']
      data['ItemAttributes'].each { |key, value| item[underscore(key)] = value }
    end
    
    if data['ImageSets'] && data['ImageSets']['ImageSet']
      image_sets = data['ImageSets']['ImageSet']
      image_sets = [image_sets] unless image_sets.kind_of?(Array)
      
      image_sets.each do |image_set|
        image_set = ImageSet.from_response(image_set)
        item.image_sets[image_set.category.to_sym] = image_set
      end
    end
    
    item.small_image = Image.from_response(data['SmallImage']) if data['SmallImage']
    item.medium_image = Image.from_response(data['MediumImage']) if data['MediumImage']
    item.large_image = Image.from_response(data['LargeImage']) if data['LargeImage']
    
    item.freeze
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/a2z/responses/item.rb', line 39

def [](key)
  @attrs[key]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/a2z/responses/item.rb', line 35

def []=(key, value)
  @attrs[key] = value
end

#has_key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/a2z/responses/item.rb', line 43

def has_key?(key)
  @attrs.has_key?(key)
end

#keys ⇒ Object 



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# File 'lib/a2z/responses/item.rb', line 15

def keys
  @attrs.keys
end

#respond_to_missing?(name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/a2z/responses/item.rb', line 19

def respond_to_missing?(name, include_private = false)
  name.to_s.end_with?('?') || super
end