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Extend StripeConnectAccountService.update_from_stripe to also create …
…associated external account record
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24 changes: 17 additions & 7 deletions
24
lib/code_corps/stripe_service/adapters/stripe_external_account.ex
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defmodule CodeCorps.StripeService.Adapters.StripeExternalAccountAdapter do | ||
import CodeCorps.MapUtils, only: [rename: 3] | ||
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alias CodeCorps.MapUtils | ||
alias CodeCorps.StripeConnectAccount | ||
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@stripe_attributes [ | ||
:account, :account_holder_name, :account_holder_type, :bank_name, :country, | ||
:account_holder_name, :account_holder_type, :bank_name, :country, | ||
:currency, :default_for_currency, :fingerprint, :id, :last4, | ||
:routing_number, :status | ||
] | ||
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def to_params(%Stripe.ExternalAccount{} = bank_account, stripe_connect_account_id \\ nil) do | ||
def to_params(%Stripe.ExternalAccount{} = external_account, %StripeConnectAccount{} = connect_account) do | ||
params = | ||
bank_account | ||
external_account | ||
|> Map.from_struct | ||
|> Map.take(@stripe_attributes) | ||
|> rename(:id, :id_from_stripe) | ||
|> rename(:account, :account_id_from_stripe) | ||
|> Map.put(:stripe_connect_account_id, stripe_connect_account_id) | ||
|> MapUtils.rename(:id, :id_from_stripe) | ||
|> add_association_attributes(connect_account) | ||
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{:ok, params} | ||
end | ||
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defp add_association_attributes(attributes, %StripeConnectAccount{} = connect_account) do | ||
association_attributes = build_association_attributes(connect_account) | ||
attributes |> Map.merge(association_attributes) | ||
end | ||
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defp build_association_attributes(%StripeConnectAccount{id: id, id_from_stripe: id_from_stripe}) do | ||
%{account_id_from_stripe: id_from_stripe, stripe_connect_account_id: id} | ||
end | ||
end |
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108 changes: 108 additions & 0 deletions
108
lib/code_corps/stripe_service/stripe_connect_account_service.ex
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defmodule CodeCorps.StripeService.StripeConnectAccountService do | ||
alias CodeCorps.{Repo, StripeConnectAccount, StripeExternalAccount} | ||
alias CodeCorps.StripeService.Adapters.{StripeConnectAccountAdapter} | ||
alias CodeCorps.StripeService.StripeConnectExternalAccountService | ||
alias Ecto.Multi | ||
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import Ecto.Query, only: [where: 3] | ||
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@api Application.get_env(:code_corps, :stripe) | ||
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@doc """ | ||
Used to create a remote `Stripe.Account` record as well as an associated local | ||
`StripeConnectAccount` record. | ||
""" | ||
def create(attributes) do | ||
with {:ok, from_params} <- StripeConnectAccountAdapter.from_params(attributes), | ||
{:ok, %Stripe.Account{} = account} <- @api.Account.create(from_params), | ||
{:ok, params} <- StripeConnectAccountAdapter.to_params(account, attributes) | ||
do | ||
%StripeConnectAccount{} |> StripeConnectAccount.create_changeset(params) |> Repo.insert | ||
else | ||
failure -> failure | ||
end | ||
end | ||
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@doc """ | ||
Used to update both the local `StripeConnectAccount` as well as the remote `Stripe.Account`, | ||
using attributes sent by the client | ||
""" | ||
def update(%StripeConnectAccount{id_from_stripe: id_from_stripe} = local_account, %{} = attributes) do | ||
with {:ok, from_params} <- StripeConnectAccountAdapter.from_params(attributes), | ||
{:ok, %Stripe.Account{} = api_account} <- @api.Account.update(id_from_stripe, from_params) | ||
do | ||
update_local_account(local_account, api_account, attributes) | ||
end | ||
end | ||
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@doc """ | ||
Used to update the local `StripeConnectAccount` record using data retrieved from the Stripe API | ||
""" | ||
def update_from_stripe(id_from_stripe) do | ||
with {:ok, %Stripe.Account{} = api_account} <- @api.Account.retrieve(id_from_stripe), | ||
%StripeConnectAccount{} = local_account <- Repo.get_by(StripeConnectAccount, id_from_stripe: id_from_stripe) | ||
do | ||
update_local_account(local_account, api_account) | ||
else | ||
nil -> {:error, :not_found} | ||
failure -> failure | ||
end | ||
end | ||
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# updates a StripeConnectAccount record with combined information from the provided | ||
# Stripe.Account record and an optional attributes map | ||
defp update_local_account( | ||
%StripeConnectAccount{} = local_account, | ||
%Stripe.Account{} = api_account, | ||
attributes \\ %{} | ||
) do | ||
with {:ok, params} <- StripeConnectAccountAdapter.to_params(api_account, attributes) do | ||
changeset = local_account |> StripeConnectAccount.webhook_update_changeset(params) | ||
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multi = Multi.new | ||
|> Multi.update(:stripe_connect_account, changeset) | ||
|> Multi.run(:process_external_accounts, &process_external_accounts(&1, api_account)) | ||
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case Repo.transaction(multi) do | ||
{:ok, %{stripe_connect_account: stripe_connect_account, process_external_accounts: _}} -> | ||
{:ok, stripe_connect_account} | ||
{:error, :stripe_connect_account, %Ecto.Changeset{} = changeset, %{}} -> | ||
{:error, changeset} | ||
{:error, failed_operation, failed_value, _changes_so_far} -> | ||
{:error, failed_operation, failed_value} | ||
end | ||
end | ||
end | ||
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# goes through all Stripe.ExternalAccount objects within the retrieved Stripe.Account object, | ||
# then either retrieves or creates a StripeExternalAccount object for each of them | ||
defp process_external_accounts(_, %Stripe.Account{external_accounts: %{data: []}}), do: {:ok, []} | ||
defp process_external_accounts( | ||
%{stripe_connect_account: %StripeConnectAccount{} = connect_account}, | ||
%Stripe.Account{external_accounts: %{data: new_external_account_list}} | ||
) do | ||
StripeExternalAccount | ||
|> where([e], e.stripe_connect_account_id == ^connect_account.id) | ||
|> Repo.delete_all | ||
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new_external_account_list | ||
|> (fn(list) -> [List.last(list)] end).() # We only support one external account for now | ||
|> Enum.map(&find_or_create_external_account(&1, connect_account)) | ||
|> Enum.map(&take_record/1) | ||
|> aggregate_records | ||
end | ||
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# retrieves or creates a StripeExternalAccount object associated to the provided | ||
# Stripe.ExternalAccount and StripeConnectAccount objects | ||
# returns {:ok, list_of_created_external_account_records} | ||
defp find_or_create_external_account(%Stripe.ExternalAccount{} = api_external_account, connect_account) do | ||
case Repo.get_by(StripeExternalAccount, id_from_stripe: api_external_account.id) do | ||
nil -> StripeConnectExternalAccountService.create(api_external_account, connect_account) | ||
%StripeExternalAccount{} = local_external_account -> {:ok, local_external_account} | ||
end | ||
end | ||
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defp take_record({:ok, %StripeExternalAccount{} = external_account}), do: external_account | ||
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defp aggregate_records(results), do: {:ok, results} | ||
end |
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