Replacing old representative template for OCs with active model serializers

app/serializers/api/admin/enterprise_fee_serializer.rb

@@ -0,0 +1,3 @@
+class Api::Admin::EnterpriseFeeSerializer < ActiveModel::Serializer
+  attributes :id, :enterprise_id
+end

app/serializers/api/admin/exchange_serializer.rb

@@ -0,0 +1,12 @@
+class Api::Admin::ExchangeSerializer < ActiveModel::Serializer
+  attributes :id, :sender_id, :receiver_id, :incoming, :variants, :pickup_time, :pickup_instructions
+
+  has_many :enterprise_fees, serializer: Api::Admin::EnterpriseFeeSerializer
+
+  def variants
+    Hash[
+      OpenFoodNetwork::Permissions.new(options[:current_user]).
+      visible_variants_within(object).map { |v| [v.id, true] }
+    ]
+  end
+end

app/serializers/api/admin/order_cycle_serializer.rb

@@ -0,0 +1,18 @@
+class Api::Admin::OrderCycleSerializer < ActiveModel::Serializer
+  attributes :id, :name, :orders_open_at, :orders_close_at, :coordinator_id, :exchanges
+
+  has_many :coordinator_fees, serializer: Api::IdSerializer
+
+  def orders_open_at
+    object.orders_open_at.to_s
+  end
+
+  def orders_close_at
+    object.orders_close_at.to_s
+  end
+
+  def exchanges
+    scoped_exchanges = OpenFoodNetwork::Permissions.new(options[:current_user]).order_cycle_exchanges(object).order('id ASC')
+    ActiveModel::ArraySerializer.new(scoped_exchanges, {each_serializer: Api::Admin::ExchangeSerializer, current_user: options[:current_user] })
+  end
+end