Class: ForestLiana::SerializerFactory

Inherits:
Object
  • Object
show all
Defined in:
app/serializers/forest_liana/serializer_factory.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.define_serializer(active_record_class, serializer) ⇒ Object 



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# File 'app/serializers/forest_liana/serializer_factory.rb', line 6

def self.define_serializer(active_record_class, serializer)
  class_name = ForestLiana.name_for(active_record_class).classify
  module_name = class_name.deconstantize

  name = module_name if module_name
  name += class_name.demodulize

  # NOTICE: Create the serializer in the UserSpace to avoid conflicts with
  # serializer created from integrations, actions, segments, etc.
  ForestLiana::UserSpace.const_set("#{name}Serializer", serializer)
end

.get_serializer_name(active_record_class) ⇒ Object 



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# File 'app/serializers/forest_liana/serializer_factory.rb', line 18

def self.get_serializer_name(active_record_class)
  if defined?(::Intercom::Conversation) &&
    active_record_class == ::Intercom::Conversation
    "ForestLiana::IntercomConversationSerializer"
  elsif defined?(::Intercom::User) &&
    active_record_class == ::Intercom::User
    "ForestLiana::IntercomAttributeSerializer"
  elsif defined?(::Stripe::Charge) &&
    active_record_class == ::Stripe::Charge
    "ForestLiana::StripePaymentSerializer"
  elsif defined?(::Stripe::Card) &&
    active_record_class == ::Stripe::Card
    "ForestLiana::StripeCardSerializer"
  elsif defined?(::Stripe::Invoice) &&
    active_record_class == ::Stripe::Invoice
    "ForestLiana::StripeInvoiceSerializer"
  elsif defined?(::Stripe::Subscription) &&
    active_record_class == ::Stripe::Subscription
    "ForestLiana::StripeSubscriptionSerializer"
  elsif defined?(::Stripe::BankAccount) &&
    active_record_class == ::Stripe::BankAccount
    "ForestLiana::StripeBankAccountSerializer"
  elsif active_record_class == ForestLiana::Model::Stat
    "ForestLiana::StatSerializer"
  elsif active_record_class == ForestLiana::Model::Collection
    "ForestLiana::CollectionSerializer"
  elsif active_record_class == ForestLiana::Model::Action
    "ForestLiana::ActionSerializer"
  elsif active_record_class == ForestLiana::Model::Segment
    "ForestLiana::SegmentSerializer"
  else
    class_name = ForestLiana.name_for(active_record_class).classify
    module_name = class_name.deconstantize

    name = module_name if module_name
    name += class_name.demodulize

    "ForestLiana::UserSpace::#{name}Serializer"
  end
end

Instance Method Details

#serializer_for(active_record_class) ⇒ Object 



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# File 'app/serializers/forest_liana/serializer_factory.rb', line 59

def serializer_for(active_record_class)
  serializer = Class.new {
    include JSONAPI::Serializer

    def self_link
      "/forest#{super.underscore}"
    end

    def type
      ForestLiana.name_for(object.class).demodulize
    end

    def format_name(attribute_name)
      attribute_name.to_s
    end

    def unformat_name(attribute_name)
      attribute_name.to_s
    end

    def relationship_self_link(attribute_name)
      nil
    end

    def relationship_related_link(attribute_name)
      ret = {}

      # Has many smart field
      current = self.has_many_relationships[attribute_name]
      if current.try(:[], :options).try(:[], :name) == attribute_name
        ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/#{attribute_name}"
        return ret
      end

      if intercom_integration?
        case attribute_name
        when :intercom_conversations
          ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/intercom_conversations"
        when :intercom_attributes
          ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/intercom_attributes"
        end
      end

      if stripe_integration?
        case attribute_name
        when :stripe_payments
          ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/stripe_payments"
        when :stripe_invoices
          ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/stripe_invoices"
        when :stripe_cards
          ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/stripe_cards"
        end
      end

      if ret[:href].blank?
        begin
          if @options[:include].try(:include?, attribute_name.to_s)
            object.send(attribute_name)
          end

          SchemaUtils.many_associations(object.class).each do |a|
            if a.name == attribute_name
              ret[:href] = "/forest/#{ForestLiana.name_for(object.class)}/#{object.id}/relationships/#{attribute_name}"
            end
          end
        rescue TypeError, ActiveRecord::StatementInvalid, NoMethodError
          puts "Cannot load the association #{attribute_name} on #{object.class.name} #{object.id}."
        end
      end

      ret
    end

    private

    def intercom_integration?
      ForestLiana.integrations
        .try(:[], :intercom)
        .try(:[], :mapping)
        .try(:include?, object.class.name)
    end

    def stripe_integration?
      mapping = ForestLiana.integrations
        .try(:[], :stripe)
        .try(:[], :mapping)

      if mapping
        collection_names = mapping.map do |collection_name_and_field|
          collection_name_and_field.split('.')[0]
        end
        collection_names.include?(object.class.name)
      else
        false
      end
    end
  }

  attributes(active_record_class).each do |attribute|
    serializer.attribute(attribute)
  end

  # NOTICE: Format time type fields during the serialization.
  attributes_time(active_record_class).each do |attribute|
    serializer.attribute(attribute) do |x|
      value = object.send(attribute)
      if value
        match = /(\d{2}:\d{2}:\d{2})/.match(value.to_s)
        (match && match[1]) ? match[1] : nil
      else
        nil
      end
    end
  end

  # NOTICE: Format serialized fields.
  attributes_serialized(active_record_class).each do |attribute, serialization|
    serializer.attribute(attribute) do |x|
      value = object.send(attribute)
      value ? value.to_json : nil
    end
  end

  # NOTICE: Format CarrierWave url attribute
  if active_record_class.respond_to?(:mount_uploader)
    active_record_class.uploaders.each do |key, value|
      serializer.attribute(key) { |x| object.send(key).try(:url) }
    end
  end

  # NOTICE: Format Paperclip url attribute
  if active_record_class.respond_to?(:attachment_definitions)
    active_record_class.attachment_definitions.each do |key, value|
      serializer.attribute(key) { |x| object.send(key) }
    end
  end

  # NOTICE: Format ActsAsTaggable attribute
  if active_record_class.respond_to?(:acts_as_taggable) &&
    active_record_class.acts_as_taggable.respond_to?(:to_a)
    active_record_class.acts_as_taggable.to_a.each do |key, value|
      serializer.attribute(key) do |x|
        object.send(key).map(&:name)
      end
    end
  end

  SchemaUtils.associations(active_record_class).each do |a|
    begin
      if SchemaUtils.model_included?(a.klass)
        serializer.send(serializer_association(a), a.name) {
          if [:has_one, :belongs_to].include?(a.macro)
            begin
              object.send(a.name)
            rescue ActiveRecord::RecordNotFound
              nil
            end
          else
            []
          end
        }
      end
    rescue NameError
      # NOTICE: Let this error silent, a bad association warning will be
      #         displayed in the schema adapter.
    end
  end

  # Intercom
  if has_intercom_integration?(active_record_class.name)
    serializer.send(:has_many, :intercom_conversations) { }
    serializer.send(:has_many, :intercom_attributes) { }
  end

  # Stripe
  if has_stripe_integration?(active_record_class.name)
    serializer.send(:has_many, :stripe_payments) { }
    serializer.send(:has_many, :stripe_invoices) { }
    serializer.send(:has_many, :stripe_cards) { }
  end

  ForestLiana::SerializerFactory.define_serializer(active_record_class,
                                                   serializer)

  serializer
end