Class: Shopify::ShopifyModel

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

Direct Known Subclasses

Article, CustomCollection

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(shop, attrs = {}) ⇒ ShopifyModel

Returns a new instance of ShopifyModel.



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# File 'lib/shopify.rb', line 140

def initialize(shop, attrs={})
  @new_record = true
  attrs.each { |k,v| instance_variable_set("@#{k}", v) }
  @shop = shop
end

Instance Attribute Details

#shop ⇒ Object

Returns the value of attribute shop.



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# File 'lib/shopify.rb', line 145

def shop
  @shop
end

Class Method Details

.children_of(parent_klass) ⇒ Object 



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# File 'lib/shopify.rb', line 107

def children_of(parent_klass)
  @parent = parent_klass
  parent_klass_name = parent_klass.name.gsub(/.*::/,'')
  klass_name = self.name.gsub(/.*::/,'')
  # Defines the getter method in the parent class
  # TODO: Make the object cache the results of queries, per set of parameters,
  #       and reload only when you include true as the first argument.
  parent_klass.class_eval "
    def #{klass_name.snake_case.pluralize}(query_params={})
      @#{klass_name.snake_case.pluralize} ||= begin
        json = Shopify.get(\"/#{parent_klass_name.snake_case.pluralize}/\#{id}/#{klass_name.snake_case.pluralize}.xml\", shop.options(:query => query_params))
        case 
        when json['#{parent_klass_name.snake_case}_#{klass_name.snake_case.pluralize}']
          json['#{parent_klass_name.snake_case}_#{klass_name.snake_case.pluralize}']
        when json['#{klass_name.snake_case.pluralize}']
          json['#{klass_name.snake_case.pluralize}']
        else
          json
        end
      end
      @#{klass_name.snake_case.pluralize} = (@#{klass_name.snake_case.pluralize}.is_a?(Array) ? @#{klass_name.snake_case.pluralize}.collect {|i| #{klass_name}.instantiate(shop, i)} : [#{klass_name}.instantiate(shop, @#{klass_name.snake_case.pluralize})]) unless @#{klass_name.snake_case.pluralize}.is_a?(#{klass_name}) || @#{klass_name.snake_case.pluralize}.is_a?(Array) && @#{klass_name.snake_case.pluralize}[0].is_a?(#{klass_name})
      @#{klass_name.snake_case.pluralize}
    end
  "
end

.instantiate(shop, attrs = {}) ⇒ Object 



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# File 'lib/shopify.rb', line 137

def self.instantiate(shop, attrs={})
  new(shop, attrs.merge('new_record' => false))
end

.is_child? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shopify.rb', line 132

def is_child?
  (@parent ||= nil)
end

.load_api_classes(api) ⇒ Object 



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# File 'lib/shopify.rb', line 46

def load_api_classes(api)
  api.each_key do |klass_name|
    next unless klass_name.is_a?(String)
    singular = klass_name.singular
    mode = singular == klass_name ? [:singular] : []
    klass = Shopify.const_set(singular, Class.new(ShopifyModel))

    # Set up the top_level or children_of setting
    self == ShopifyModel ?
      klass.send(:top_level, *mode) :
      klass.send(:children_of, self)

    # Set up the properties
    klass.send(:attr_accessor, *api[klass_name].delete(:properties).split(', ').map {|s| s.to_sym})
    
    # If there are any children to be had, set them up
    klass.load_api_classes(api[klass_name])
  end
end

.top_level(*options) ⇒ Object 



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# File 'lib/shopify.rb', line 66

def top_level(*options)
  klass_name = self.name.gsub(/.*::/,'')
  if options.include?(:singular)
    # Defines the singular accessor in the Shopify object
    # TODO: Make the object cache the results of queries, per set of parameters,
    #       and reload only when you include true as the first argument.
    Shopify.class_eval "
      def #{klass_name.snake_case}(query_params={})
        json = Shopify.get(\"/#{klass_name.snake_case}.xml\", options(:query => query_params))
        begin
          #{klass_name}.instantiate(self, json['#{klass_name.snake_case}'])
        rescue => e
          warn \"Error: \#{e.inspect}\"
          json
        end
      end
    "
  else
    # Defines the plural accessor in the Shopify object
    # TODO: Make the object cache the results of queries, per set of parameters,
    #       and reload only when you include true as the first argument.
    Shopify.class_eval "
      def #{klass_name.snake_case.pluralize}(query_params={})
        json = Shopify.get(\"/#{klass_name.snake_case.pluralize}.xml\", options(:query => query_params))
        if json['#{klass_name.snake_case.pluralize}']
          json['#{klass_name.snake_case.pluralize}'].collect {|i| #{klass_name}.instantiate(self, i)}
        else
          json
        end
      end
      def #{klass_name.snake_case}(id)
        json = Shopify.get(\"/#{klass_name.snake_case.pluralize}/\#{id}.xml\", options)
        if json['#{klass_name.snake_case}']
          #{klass_name}.instantiate(self, json['#{klass_name.snake_case}'])
        else
          json
        end
      end
    "
  end
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/shopify.rb', line 147

def inspect
  "<#{self.class.name} shop=#{@shop.host} #{instance_variables.reject {|i| i=='@shop' || instance_variable_get(i).to_s==''}.map {|i| "#{i}=#{instance_variable_get(i).inspect}"}.join(' ')}>"
end