5c2f70ce44
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>
551 lines
17 KiB
Elixir
551 lines
17 KiB
Elixir
defmodule SimpleshopTheme.Providers.Printify do
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@moduledoc """
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Printify provider implementation.
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Handles product sync and order submission for Printify.
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"""
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@behaviour SimpleshopTheme.Providers.Provider
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alias SimpleshopTheme.Clients.Printify, as: Client
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alias SimpleshopTheme.Products.ProviderConnection
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require Logger
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@impl true
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def provider_type, do: "printify"
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@impl true
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def test_connection(%ProviderConnection{} = conn) do
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key),
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{:ok, shops} <- Client.get_shops() do
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shop = List.first(shops)
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{:ok,
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%{
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shop_id: shop["id"],
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shop_name: shop["title"],
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shop_count: length(shops)
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}}
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else
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nil -> {:error, :no_api_key}
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{:error, _} = error -> error
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end
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end
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@impl true
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def fetch_products(%ProviderConnection{config: config} = conn) do
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shop_id = config["shop_id"]
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if is_nil(shop_id) do
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{:error, :no_shop_id}
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else
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key),
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{:ok, products} <- fetch_all_products(shop_id) do
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{:ok, products}
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else
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nil -> {:error, :no_api_key}
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{:error, _} = error -> error
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end
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end
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end
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# Fetches all products by paginating through the API
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defp fetch_all_products(shop_id) do
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fetch_products_page(shop_id, 1, [])
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end
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defp fetch_products_page(shop_id, page, acc) do
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case Client.list_products(shop_id, page: page) do
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{:ok, response} ->
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products = Enum.map(response["data"] || [], &normalize_product/1)
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all_products = acc ++ products
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current_page = response["current_page"] || page
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last_page = response["last_page"] || 1
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if current_page < last_page do
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# Small delay to be nice to rate limits (600/min = 10/sec)
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Process.sleep(100)
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fetch_products_page(shop_id, page + 1, all_products)
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else
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{:ok, all_products}
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end
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{:error, _} = error ->
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error
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end
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end
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@impl true
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def submit_order(%ProviderConnection{config: config} = conn, order) do
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shop_id = config["shop_id"]
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if is_nil(shop_id) do
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{:error, :no_shop_id}
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else
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key),
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order_data <- build_order_payload(order),
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{:ok, response} <- Client.create_order(shop_id, order_data) do
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{:ok, %{provider_order_id: response["id"]}}
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else
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nil -> {:error, :no_api_key}
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{:error, _} = error -> error
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end
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end
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end
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@impl true
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def get_order_status(%ProviderConnection{config: config} = conn, provider_order_id) do
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shop_id = config["shop_id"]
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if is_nil(shop_id) do
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{:error, :no_shop_id}
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else
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key),
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{:ok, response} <- Client.get_order(shop_id, provider_order_id) do
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{:ok, normalize_order_status(response)}
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else
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nil -> {:error, :no_api_key}
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{:error, _} = error -> error
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end
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end
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end
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# =============================================================================
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# Shipping Rates
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# =============================================================================
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@impl true
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def fetch_shipping_rates(%ProviderConnection{} = conn, products) when is_list(products) do
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key) do
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pairs = extract_blueprint_provider_pairs(products)
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Logger.info("Fetching shipping rates for #{length(pairs)} blueprint/provider pairs")
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rates =
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pairs
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|> Enum.with_index()
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|> Enum.flat_map(fn {pair, index} ->
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# Rate limit: 100ms between requests
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if index > 0, do: Process.sleep(100)
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fetch_shipping_for_pair(pair)
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end)
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{:ok, rates}
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else
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nil -> {:error, :no_api_key}
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end
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end
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defp extract_blueprint_provider_pairs(products) do
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products
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|> Enum.flat_map(fn product ->
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provider_data = product[:provider_data] || %{}
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blueprint_id = provider_data[:blueprint_id] || provider_data["blueprint_id"]
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print_provider_id = provider_data[:print_provider_id] || provider_data["print_provider_id"]
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if blueprint_id && print_provider_id do
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[{blueprint_id, print_provider_id}]
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else
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[]
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end
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end)
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|> Enum.uniq()
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end
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defp fetch_shipping_for_pair({blueprint_id, print_provider_id}) do
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case Client.get_shipping(blueprint_id, print_provider_id) do
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{:ok, response} ->
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normalize_shipping_response(blueprint_id, print_provider_id, response)
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{:error, reason} ->
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Logger.warning(
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"Failed to fetch shipping for blueprint #{blueprint_id}, " <>
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"provider #{print_provider_id}: #{inspect(reason)}"
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)
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[]
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end
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end
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defp normalize_shipping_response(blueprint_id, print_provider_id, response) do
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handling_time_days =
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case response["handling_time"] do
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%{"value" => value, "unit" => "day"} -> value
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_ -> nil
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end
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profiles = response["profiles"] || []
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# For each profile, expand countries into individual rate maps.
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# Then group by country and take the max first_item_cost across profiles
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# (conservative estimate across variant groups).
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profiles
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|> Enum.flat_map(fn profile ->
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countries = profile["countries"] || []
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first_cost = get_in(profile, ["first_item", "cost"]) || 0
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additional_cost = get_in(profile, ["additional_items", "cost"]) || 0
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currency = get_in(profile, ["first_item", "currency"]) || "USD"
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Enum.map(countries, fn country ->
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%{
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blueprint_id: blueprint_id,
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print_provider_id: print_provider_id,
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country_code: country,
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first_item_cost: first_cost,
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additional_item_cost: additional_cost,
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currency: currency,
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handling_time_days: handling_time_days
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}
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end)
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end)
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|> Enum.group_by(& &1.country_code)
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|> Enum.map(fn {_country, country_rates} ->
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# Take the max first_item_cost across variant groups for this country
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Enum.max_by(country_rates, & &1.first_item_cost)
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end)
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end
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# =============================================================================
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# Webhook Registration
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# =============================================================================
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@webhook_events [
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"product:updated",
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"product:deleted",
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"product:publish:started",
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"order:sent-to-production",
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"order:shipment:created",
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"order:shipment:delivered"
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]
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@doc """
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Registers webhooks for product events with Printify.
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Returns {:ok, results} or {:error, reason}.
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"""
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def register_webhooks(%ProviderConnection{config: config} = conn, webhook_url) do
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shop_id = config["shop_id"]
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secret = config["webhook_secret"]
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cond do
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is_nil(shop_id) ->
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{:error, :no_shop_id}
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is_nil(secret) or secret == "" ->
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{:error, :no_webhook_secret}
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true ->
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key) do
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{:ok, create_all_webhooks(shop_id, webhook_url, secret)}
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else
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nil -> {:error, :no_api_key}
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end
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end
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end
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defp create_all_webhooks(shop_id, webhook_url, secret) do
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Enum.map(@webhook_events, fn event ->
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case Client.create_webhook(shop_id, webhook_url, event, secret) do
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{:ok, response} -> {:ok, event, response}
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{:error, reason} -> {:error, event, reason}
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end
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end)
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end
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@doc """
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Lists registered webhooks for the shop.
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"""
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def list_webhooks(%ProviderConnection{config: config} = conn) do
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shop_id = config["shop_id"]
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if is_nil(shop_id) do
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{:error, :no_shop_id}
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else
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with api_key when is_binary(api_key) <- ProviderConnection.get_api_key(conn),
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:ok <- set_api_key(api_key),
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{:ok, webhooks} <- Client.list_webhooks(shop_id) do
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{:ok, webhooks}
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else
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nil -> {:error, :no_api_key}
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{:error, _} = error -> error
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end
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end
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end
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# =============================================================================
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# Option Types Extraction (for frontend)
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# =============================================================================
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@doc """
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Extracts option types from Printify provider_data for frontend display.
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Returns a list of option type maps with normalized names, types, and values
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including hex color codes for color-type options.
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## Examples
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iex> extract_option_types(%{"options" => [
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...> %{"name" => "Colors", "type" => "color", "values" => [
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...> %{"id" => 1, "title" => "Black", "colors" => ["#000000"]}
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...> ]}
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...> ]})
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[%{name: "Color", type: :color, values: [%{id: 1, title: "Black", hex: "#000000"}]}]
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"""
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def extract_option_types(%{"options" => options}) when is_list(options) do
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Enum.map(options, fn opt ->
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%{
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name: singularize_option_name(opt["name"]),
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type: option_type_atom(opt["type"]),
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values: extract_option_values(opt)
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}
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end)
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end
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def extract_option_types(_), do: []
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defp option_type_atom("color"), do: :color
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defp option_type_atom("size"), do: :size
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defp option_type_atom(_), do: :other
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defp extract_option_values(%{"values" => values, "type" => "color"}) do
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Enum.map(values, fn val ->
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%{
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id: val["id"],
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title: val["title"],
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hex: List.first(val["colors"])
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}
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end)
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end
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defp extract_option_values(%{"values" => values}) do
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Enum.map(values, fn val ->
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%{id: val["id"], title: val["title"]}
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end)
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end
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# =============================================================================
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# Data Normalization
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# =============================================================================
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defp normalize_product(raw) do
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options = raw["options"] || []
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%{
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provider_product_id: to_string(raw["id"]),
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title: raw["title"],
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description: raw["description"],
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category: extract_category(raw),
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images: normalize_images(raw["images"] || []),
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variants: normalize_variants(raw["variants"] || [], options),
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provider_data: %{
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blueprint_id: raw["blueprint_id"],
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print_provider_id: raw["print_provider_id"],
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tags: raw["tags"] || [],
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options: options,
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raw: raw
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}
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}
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end
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defp normalize_images(images) do
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images
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|> Enum.with_index()
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|> Enum.map(fn {img, index} ->
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# Printify returns position as a label string (e.g., "front", "back")
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# We use the index as the numeric position instead
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%{
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src: img["src"],
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position: index,
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alt: img["position"]
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}
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end)
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end
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defp normalize_variants(variants, options) do
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option_names = extract_option_names(options)
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Enum.map(variants, fn var ->
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%{
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provider_variant_id: to_string(var["id"]),
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title: var["title"],
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sku: var["sku"],
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price: var["price"],
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cost: var["cost"],
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options: normalize_variant_options(var, option_names),
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is_enabled: var["is_enabled"] == true,
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is_available: var["is_available"] == true
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}
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end)
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end
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# Extract option names from product options, singularizing common plurals
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defp extract_option_names(options) do
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Enum.map(options, fn opt ->
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singularize_option_name(opt["name"])
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end)
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end
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defp singularize_option_name("Colors"), do: "Color"
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defp singularize_option_name("Sizes"), do: "Size"
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defp singularize_option_name(name), do: name
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defp normalize_variant_options(variant, option_names) do
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# Build human-readable map from variant title
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# Title format matches product options order: "Navy / S" for [Colors, Sizes]
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title = variant["title"] || ""
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parts = String.split(title, " / ")
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parts
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|> Enum.with_index()
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|> Enum.reduce(%{}, fn {value, index}, acc ->
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key = Enum.at(option_names, index) || "Option #{index + 1}"
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Map.put(acc, key, value)
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end)
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end
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defp extract_category(raw) do
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# Try to extract category from tags (case-insensitive)
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tags =
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(raw["tags"] || [])
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|> Enum.map(&String.downcase/1)
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cond do
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has_tag?(tags, ~w[t-shirt tshirt shirt hoodie sweatshirt apparel clothing]) -> "Apparel"
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has_tag?(tags, ~w[mug cup blanket pillow cushion homeware homewares home]) -> "Homewares"
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has_tag?(tags, ~w[notebook journal stationery]) -> "Stationery"
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has_tag?(tags, ~w[phone case bag tote accessories]) -> "Accessories"
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has_tag?(tags, ~w[art print poster canvas wall]) -> "Art Prints"
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true -> List.first(raw["tags"])
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end
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end
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defp has_tag?(tags, keywords) do
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Enum.any?(tags, fn tag ->
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Enum.any?(keywords, fn keyword -> String.contains?(tag, keyword) end)
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end)
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end
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defp normalize_order_status(raw) do
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%{
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status: map_order_status(raw["status"]),
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provider_status: raw["status"],
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tracking_number: extract_tracking(raw),
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tracking_url: extract_tracking_url(raw),
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shipments: raw["shipments"] || []
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}
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end
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defp map_order_status("pending"), do: "submitted"
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defp map_order_status("on-hold"), do: "submitted"
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defp map_order_status("payment-not-received"), do: "submitted"
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defp map_order_status("cost-calculation"), do: "submitted"
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defp map_order_status("in-production"), do: "processing"
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defp map_order_status("partially-shipped"), do: "processing"
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defp map_order_status("shipped"), do: "shipped"
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defp map_order_status("delivered"), do: "delivered"
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defp map_order_status("canceled"), do: "cancelled"
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defp map_order_status(_), do: "submitted"
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defp extract_tracking(raw) do
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case raw["shipments"] do
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[shipment | _] -> shipment["tracking_number"]
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_ -> nil
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end
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end
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defp extract_tracking_url(raw) do
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case raw["shipments"] do
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[shipment | _] -> shipment["tracking_url"]
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_ -> nil
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end
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end
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# =============================================================================
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# Order Building
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# =============================================================================
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defp build_order_payload(order_data) do
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%{
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external_id: order_data.order_number,
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label: order_data.order_number,
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line_items:
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Enum.map(order_data.line_items, fn item ->
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%{
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product_id: item.provider_product_id,
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variant_id: parse_variant_id(item.provider_variant_id),
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quantity: item.quantity
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}
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end),
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shipping_method: 1,
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address_to: build_address(order_data.shipping_address, order_data.customer_email)
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}
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end
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# Maps Stripe shipping_details address fields to Printify's expected format.
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# Stripe gives us: name, line1, line2, city, postal_code, state, country
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# Printify wants: first_name, last_name, address1, address2, city, zip, region, country
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defp build_address(address, email) when is_map(address) do
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{first, last} = split_name(address["name"])
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%{
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first_name: first,
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last_name: last,
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email: email,
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phone: address["phone"] || "",
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country: address["country"] || "",
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region: address["state"] || address["region"] || "",
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address1: address["line1"] || address["address1"] || "",
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address2: address["line2"] || address["address2"] || "",
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city: address["city"] || "",
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zip: address["postal_code"] || address["zip"] || ""
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}
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end
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defp build_address(_address, email) do
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%{
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first_name: "",
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last_name: "",
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email: email,
|
|
phone: "",
|
|
country: "",
|
|
region: "",
|
|
address1: "",
|
|
address2: "",
|
|
city: "",
|
|
zip: ""
|
|
}
|
|
end
|
|
|
|
defp split_name(nil), do: {"", ""}
|
|
defp split_name(""), do: {"", ""}
|
|
|
|
defp split_name(name) do
|
|
case String.split(name, " ", parts: 2) do
|
|
[first] -> {first, ""}
|
|
[first, last] -> {first, last}
|
|
end
|
|
end
|
|
|
|
# Printify variant IDs are integers, but we store them as strings
|
|
defp parse_variant_id(id) when is_integer(id), do: id
|
|
defp parse_variant_id(id) when is_binary(id), do: String.to_integer(id)
|
|
|
|
# =============================================================================
|
|
# API Key Management
|
|
# =============================================================================
|
|
|
|
# Temporarily sets the API key for the request
|
|
# In a production system, this would use a connection pool or request context
|
|
defp set_api_key(api_key) do
|
|
Process.put(:printify_api_key, api_key)
|
|
:ok
|
|
end
|
|
end
|