Module: BcMiddleware::SearchApi

Defined in:
lib/bc-middleware/search_api.rb

Instance Method Summary collapse

Instance Method Details

#attribute_fields ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 41

def attribute_fields
  params[:fields].present? ? params[:fields] : resource_class_attributes
end

#collection ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 5

def collection
  get_collection_ivar || begin
    c = end_of_association_chain

    if respond_to?(:search_terms) && (terms = search_terms).present?
       c = c.search(terms)
     end

     if paginate_terms.present? && page_term.present? && per_term.present?
       if c.respond_to?(:scoped)
         c = c.search.page(page_term).per(per_term)
       else
         c = c.page(page_term).per(per_term)
       end
     end

    set_collection_ivar(c.respond_to?(:scoped) ? c.scoped : c.all)
  end
end

#extract_attributes(klass) ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 72

def extract_attributes(klass)
  klass.accessible_attributes.select(&:present?) + [klass.primary_key]
end

#page_term ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 33

def page_term
  paginate_terms[:page]
end

#paginate_terms ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 29

def paginate_terms
  params[:paginate]
end

#per_term ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 37

def per_term
  paginate_terms[:per]
end

#relationship_fields ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 45

def relationship_fields
  @relationship_fields ||= begin
    include_params = params[:include].present? ? params[:include] : {}
    raise(ArgumentError.new("wrong format for include parameter")) unless include_params.is_a?(Hash)
    
    result = {}
    include_params.each do |(relationship_name, relationship_value)|
      # TODO verificar as relacoes
      if relationship_value.present?
        result[relationship_name] = relationship_value
      else
        relationship = resource_class.reflect_on_all_associations.detect {|r| r.name == relationship_name.to_sym}
        if relationship.nil?
        	raise(InvalidRelationship.new("Relationship with name #{relationship_name} not found for #{resource_class}"))
        end
        result[relationship_name] = extract_attributes(relationship.klass)
      end
    end

    result
  end
end

#resource_class_attributes ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 68

def resource_class_attributes
  @resource_class_attributes ||= extract_attributes(resource_class)
end

#search_terms ⇒ Object 



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# File 'lib/bc-middleware/search_api.rb', line 25

def search_terms
 params[:search]
end