INT-915: Put changed cash to payment cash (#42)

apps/capi/src/capi_handler_decoder_invoicing.erl

@@ -149,7 +149,13 @@ decode_payment(InvoiceID, Payment, Context) ->
     #domain_Cash{
         amount = Amount,
         currency = Currency
-    } = Payment#domain_InvoicePayment.cost,
+    } =
+        case Payment#domain_InvoicePayment.changed_cost of
+            undefined ->
+                Payment#domain_InvoicePayment.cost;
+            Cost ->
+                Cost
+        end,
     capi_handler_utils:merge_and_compact(
         #{
             <<"id">> => Payment#domain_InvoicePayment.id,

apps/capi/test/capi_base_api_token_tests_SUITE.erl

@@ -49,6 +49,7 @@
     get_payment_status_insufficient_funds_test/1,
 
     create_payment_ok_test/1,
+    create_payment_with_changed_cost_ok_test/1,
     create_refund/1,
     create_refund_blocked_error/1,
     create_refund_expired_error/1,
@@ -212,6 +213,7 @@ groups() ->
             activate_shop_for_party_error_test,
 
             create_payment_ok_test,
+            create_payment_with_changed_cost_ok_test,
             retrieve_payment_by_external_id_test,
             retrieve_payment_by_external_id_for_party_test,
             check_no_payment_by_external_id_test,
@@ -829,6 +831,48 @@ create_payment_ok_test(Config) ->
     {ok, Payment} = capi_client_payments:create_payment(?config(context, Config), Req, ?STRING),
     #{<<"transactionInfo">> := #{<<"extra_payment_info">> := _}} = Payment.
 
+-spec create_payment_with_changed_cost_ok_test(config()) -> _.
+create_payment_with_changed_cost_ok_test(Config) ->
+    BenderKey = <<"bender_key">>,
+    ExternalID = <<"merch_id">>,
+    ChangedCost = 1000,
+    _ = capi_ct_helper:mock_services(
+        [
+            {invoicing, fun
+                ('Get', _) ->
+                    {ok, ?PAYPROC_INVOICE};
+                ('StartPayment', {_, PaymentParams}) ->
+                    #payproc_InvoicePaymentParams{
+                        id = ID,
+                        payer = {payment_resource, _},
+                        payer_session_info = ?PAYER_SESSION_INFO,
+                        context = ?CONTENT
+                    } =
+                        PaymentParams,
+                    {ok, ?PAYPROC_PAYMENT(?PAYMENT_W_CHANGED_COST(ID, ChangedCost))}
+            end},
+            {party_management, fun('GetShop', _) ->
+                {ok, ?SHOP}
+            end},
+            {bender, fun('GenerateID', _) ->
+                {ok, capi_ct_helper_bender:get_result(BenderKey)}
+            end}
+        ],
+        Config
+    ),
+    _ = capi_ct_helper_bouncer:mock_assert_payment_op_ctx(
+        <<"CreatePayment">>,
+        ?STRING,
+        ?STRING,
+        ?STRING,
+        Config
+    ),
+    PaymentTool = {bank_card, ?BANK_CARD(<<"visa">>, ?EXP_DATE(2, 2020), <<"Degus">>)},
+    PaymentToolToken = capi_crypto:encode_token(#{payment_tool => PaymentTool, valid_until => undefined}),
+    Req = ?PAYMENT_PARAMS(ExternalID, PaymentToolToken),
+    {ok, Payment} = capi_client_payments:create_payment(?config(context, Config), Req, ?STRING),
+    #{<<"amount">> := ChangedCost} = Payment.
+
 -spec create_refund(config()) -> _.
 create_refund(Config) ->
     BenderKey = <<"bender_key">>,

apps/capi/test/capi_dummy_data.hrl

@@ -39,13 +39,15 @@
     bank_account = ?INVOICE_BANK_ACCOUNT
 }).
 
--define(CASH, #domain_Cash{
-    amount = ?INTEGER,
+-define(CASH(Amount), #domain_Cash{
+    amount = Amount,
     currency = #domain_CurrencyRef{
         symbolic_code = ?RUB
     }
 }).
 
+-define(CASH, ?CASH(?INTEGER)).
+
 -define(CONTENT, #base_Content{
     type = <<"application/json">>,
     data = ?JSON_SERIAL
@@ -307,7 +309,7 @@
 -define(PAYMENT_STATUS_PENDING, {pending, #domain_InvoicePaymentPending{}}).
 -define(PAYMENT_STATUS_FAILED(F), {failed, #domain_InvoicePaymentFailed{failure = F}}).
 
--define(PAYMENT(ID, Status, Payer, ExternalID), #domain_InvoicePayment{
+-define(PAYMENT(ID, Status, Payer, ExternalID, ChangedCost), #domain_InvoicePayment{
     id = ID,
     created_at = ?TIMESTAMP,
     domain_revision = ?INTEGER,
@@ -315,19 +317,22 @@
     payer = Payer,
     payer_session_info = ?PAYER_SESSION_INFO,
     cost = ?CASH,
+    changed_cost = ChangedCost,
     flow = {instant, #domain_InvoicePaymentFlowInstant{}},
     context = ?CONTENT,
     make_recurrent = false,
     external_id = ExternalID
 }).
 
--define(PAYMENT(ID, Status, Payer), ?PAYMENT(ID, Status, Payer, undefined)).
+-define(PAYMENT(ID, Status, Payer), ?PAYMENT(ID, Status, Payer, undefined, undefined)).
 -define(PAYMENT, ?PAYMENT(?STRING, ?PAYMENT_STATUS_PENDING, ?PAYER)).
 
 -define(PAYMENT_WITH_RECURRENT_PAYER, ?PAYMENT(?STRING, ?PAYMENT_STATUS_PENDING, ?RECURRENT_PAYER)).
 -define(PAYMENT_WITH_CUSTOMER_PAYER, ?PAYMENT(?STRING, ?PAYMENT_STATUS_PENDING, ?CUSTOMER_PAYER)).
 
--define(PAYMENT_W_EXTERNAL_ID(ID, ExternalID), ?PAYMENT(ID, ?PAYMENT_STATUS_PENDING, ?PAYER, ExternalID)).
+-define(PAYMENT_W_EXTERNAL_ID(ID, ExternalID), ?PAYMENT(ID, ?PAYMENT_STATUS_PENDING, ?PAYER, ExternalID, undefined)).
+
+-define(PAYMENT_W_CHANGED_COST(ID, Amount), ?PAYMENT(ID, ?PAYMENT_STATUS_PENDING, ?PAYER, undefined, ?CASH(Amount))).
 
 -define(RECURRENT_PAYMENT(Status), #domain_InvoicePayment{
     id = ?STRING,

rebar.lock

@@ -40,7 +40,7 @@
  {<<"ctx">>,{pkg,<<"ctx">>,<<"0.6.0">>},2},
  {<<"damsel">>,
   {git,"https://github.com/valitydev/damsel.git",
-       {ref,"958e5f023870019d5fea668e52ed74d2d45d7d42"}},
+       {ref,"23211ff8c0c45699fa6d78afa55f304e95dbee87"}},
   0},
  {<<"dmt_client">>,
   {git,"https://github.com/valitydev/dmt_client.git",