feat(charge): GrapgQL types for graduated percentage

app/graphql/types/charges/graduated_percentage_range.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Types
+  module Charges
+    class GraduatedPercentageRange < Types::BaseObject
+      field :from_value, GraphQL::Types::BigInt, null: false
+      field :to_value, GraphQL::Types::BigInt, null: true
+
+      field :fixed_amount, String, null: false
+      field :flat_amount, String, null: false
+      field :rate, String, null: false
+    end
+  end
+end

app/graphql/types/charges/graduated_percentage_range_input.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Types
+  module Charges
+    class GraduatedPercentageRangeInput < Types::BaseInputObject
+      argument :from_value, GraphQL::Types::BigInt, required: true
+      argument :to_value, GraphQL::Types::BigInt, required: false
+
+      argument :fixed_amount, String, required: true
+      argument :flat_amount, String, required: true
+      argument :rate, String, required: true
+    end
+  end
+end

app/graphql/types/charges/properties.rb

@@ -9,6 +9,9 @@ class Properties < Types::BaseObject
       # NOTE: Graduated charge model
       field :graduated_ranges, [Types::Charges::GraduatedRange], null: true, hash_key: :graduated_ranges
 
+      # NOTE: Graduated percentage modle
+      field :graduated_percentage_ranges, [Types::Charges::GraduatedPercentageRange], null: true
+
       # NOTE: Package charge model
       field :free_units, GraphQL::Types::BigInt, null: true, hash_key: :free_units
       field :package_size, GraphQL::Types::BigInt, null: true, hash_key: :package_size

app/graphql/types/charges/properties_input.rb

@@ -9,6 +9,9 @@ class PropertiesInput < Types::BaseInputObject
       # NOTE: Graduated charge model
       argument :graduated_ranges, [Types::Charges::GraduatedRangeInput], required: false
 
+      # NOTE: Graduated percentage charge model
+      argument :graduated_percentage_ranges, [Types::Charges::GraduatedPercentageRangeInput], required: false
+
       # NOTE: Package charge model
       argument :free_units, GraphQL::Types::BigInt, required: false
       argument :package_size, GraphQL::Types::BigInt, required: false