Shipping rates fetched from Printify during product sync, converted to GBP at sync time using frankfurter.app ECB exchange rates with 5% buffer. Cached in shipping_rates table per blueprint/provider/country. Cart page shows shipping estimate with country selector (detected from Accept-Language header, persisted in cookie). Stripe Checkout includes shipping_options for UK domestic and international delivery. Order shipping_cost extracted from Stripe on payment. ScheduledSyncWorker runs every 6 hours via Oban cron to keep rates and exchange rates fresh. REST_OF_THE_WORLD fallback covers unlisted countries. 780 tests, 0 failures. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
54 lines
1.4 KiB
Elixir
54 lines
1.4 KiB
Elixir
defmodule SimpleshopTheme.Shipping.ShippingRate do
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use Ecto.Schema
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import Ecto.Changeset
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@primary_key {:id, :binary_id, autogenerate: true}
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@foreign_key_type :binary_id
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schema "shipping_rates" do
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field :blueprint_id, :integer
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field :print_provider_id, :integer
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field :country_code, :string
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field :first_item_cost, :integer
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field :additional_item_cost, :integer
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field :currency, :string, default: "USD"
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field :handling_time_days, :integer
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belongs_to :provider_connection, SimpleshopTheme.Products.ProviderConnection
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timestamps(type: :utc_datetime)
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end
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def changeset(rate, attrs) do
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rate
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|> cast(attrs, [
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:provider_connection_id,
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:blueprint_id,
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:print_provider_id,
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:country_code,
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:first_item_cost,
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:additional_item_cost,
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:currency,
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:handling_time_days
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])
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|> validate_required([
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:provider_connection_id,
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:blueprint_id,
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:print_provider_id,
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:country_code,
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:first_item_cost,
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:additional_item_cost,
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:currency
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])
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|> validate_number(:first_item_cost, greater_than_or_equal_to: 0)
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|> validate_number(:additional_item_cost, greater_than_or_equal_to: 0)
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|> foreign_key_constraint(:provider_connection_id)
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|> unique_constraint([
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:provider_connection_id,
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:blueprint_id,
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:print_provider_id,
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:country_code
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])
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end
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end
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