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unified gateway interface

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This commit is contained in:
Stephan D
2025-12-31 17:47:32 +01:00
parent 19b7b69bd8
commit 97ba7500dc
104 changed files with 8228 additions and 1742 deletions
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134
api/ledger/client/client.go
View File

@@ -8,6 +8,8 @@ import (
"time"
"github.com/tech/sendico/pkg/merrors"
"github.com/tech/sendico/pkg/payments/rail"
moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
ledgerv1 "github.com/tech/sendico/pkg/proto/ledger/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
@@ -16,6 +18,10 @@ import (
// Client exposes typed helpers around the ledger gRPC API.
type Client interface {
ReadBalance(ctx context.Context, accountID string) (*moneyv1.Money, error)
CreateTransaction(ctx context.Context, tx rail.LedgerTx) (string, error)
HoldBalance(ctx context.Context, accountID string, amount string) error
CreateAccount(ctx context.Context, req *ledgerv1.CreateAccountRequest) (*ledgerv1.CreateAccountResponse, error)
ListAccounts(ctx context.Context, req *ledgerv1.ListAccountsRequest) (*ledgerv1.ListAccountsResponse, error)
PostCreditWithCharges(ctx context.Context, req *ledgerv1.PostCreditRequest) (*ledgerv1.PostResponse, error)
@@ -95,6 +101,80 @@ func (c *ledgerClient) Close() error {
return nil
}
func (c *ledgerClient) ReadBalance(ctx context.Context, accountID string) (*moneyv1.Money, error) {
if strings.TrimSpace(accountID) == "" {
return nil, merrors.InvalidArgument("ledger: account_id is required")
}
resp, err := c.GetBalance(ctx, &ledgerv1.GetBalanceRequest{LedgerAccountRef: strings.TrimSpace(accountID)})
if err != nil {
return nil, err
}
if resp == nil || resp.GetBalance() == nil {
return nil, merrors.Internal("ledger: balance response missing")
}
return cloneMoney(resp.GetBalance()), nil
}
func (c *ledgerClient) CreateTransaction(ctx context.Context, tx rail.LedgerTx) (string, error) {
orgRef := strings.TrimSpace(tx.OrganizationRef)
if orgRef == "" {
return "", merrors.InvalidArgument("ledger: organization_ref is required")
}
accountRef := strings.TrimSpace(tx.LedgerAccountRef)
if accountRef == "" {
return "", merrors.InvalidArgument("ledger: ledger_account_ref is required")
}
money := &moneyv1.Money{
Currency: strings.TrimSpace(tx.Currency),
Amount: strings.TrimSpace(tx.Amount),
}
if money.GetCurrency() == "" || money.GetAmount() == "" {
return "", merrors.InvalidArgument("ledger: amount is required")
}
description := strings.TrimSpace(tx.Description)
metadata := ledgerTxMetadata(tx.Metadata, tx)
switch {
case isLedgerRail(tx.FromRail) && !isLedgerRail(tx.ToRail):
resp, err := c.PostDebitWithCharges(ctx, &ledgerv1.PostDebitRequest{
IdempotencyKey: strings.TrimSpace(tx.IdempotencyKey),
OrganizationRef: orgRef,
LedgerAccountRef: accountRef,
Money: money,
Description: description,
Charges: tx.Charges,
Metadata: metadata,
ContraLedgerAccountRef: strings.TrimSpace(tx.ContraLedgerAccountRef),
})
if err != nil {
return "", err
}
return strings.TrimSpace(resp.GetJournalEntryRef()), nil
case isLedgerRail(tx.ToRail) && !isLedgerRail(tx.FromRail):
resp, err := c.PostCreditWithCharges(ctx, &ledgerv1.PostCreditRequest{
IdempotencyKey: strings.TrimSpace(tx.IdempotencyKey),
OrganizationRef: orgRef,
LedgerAccountRef: accountRef,
Money: money,
Description: description,
Charges: tx.Charges,
Metadata: metadata,
ContraLedgerAccountRef: strings.TrimSpace(tx.ContraLedgerAccountRef),
})
if err != nil {
return "", err
}
return strings.TrimSpace(resp.GetJournalEntryRef()), nil
default:
return "", merrors.InvalidArgument("ledger: unsupported transaction direction")
}
}
func (c *ledgerClient) HoldBalance(ctx context.Context, accountID string, amount string) error {
return merrors.NotImplemented("ledger: hold balance not supported")
}
func (c *ledgerClient) CreateAccount(ctx context.Context, req *ledgerv1.CreateAccountRequest) (*ledgerv1.CreateAccountResponse, error) {
ctx, cancel := c.callContext(ctx)
defer cancel()
@@ -156,3 +236,57 @@ func (c *ledgerClient) callContext(ctx context.Context) (context.Context, contex
}
return context.WithTimeout(ctx, timeout)
}
func isLedgerRail(value string) bool {
return strings.EqualFold(strings.TrimSpace(value), "LEDGER")
}
func cloneMoney(input *moneyv1.Money) *moneyv1.Money {
if input == nil {
return nil
}
return &moneyv1.Money{
Currency: input.GetCurrency(),
Amount: input.GetAmount(),
}
}
func cloneMetadata(input map[string]string) map[string]string {
if len(input) == 0 {
return nil
}
out := make(map[string]string, len(input))
for k, v := range input {
out[k] = v
}
return out
}
func ledgerTxMetadata(base map[string]string, tx rail.LedgerTx) map[string]string {
meta := cloneMetadata(base)
if meta == nil {
meta = map[string]string{}
}
if val := strings.TrimSpace(tx.PaymentPlanID); val != "" {
meta["payment_plan_id"] = val
}
if val := strings.TrimSpace(tx.FromRail); val != "" {
meta["from_rail"] = val
}
if val := strings.TrimSpace(tx.ToRail); val != "" {
meta["to_rail"] = val
}
if val := strings.TrimSpace(tx.ExternalReferenceID); val != "" {
meta["external_reference_id"] = val
}
if val := strings.TrimSpace(tx.FXRateUsed); val != "" {
meta["fx_rate_used"] = val
}
if val := strings.TrimSpace(tx.FeeAmount); val != "" {
meta["fee_amount"] = val
}
if len(meta) == 0 {
return nil
}
return meta
}

30
api/ledger/client/fake.go
View File

@@ -3,13 +3,18 @@ package client
import (
"context"
"github.com/tech/sendico/pkg/payments/rail"
moneyv1 "github.com/tech/sendico/pkg/proto/common/money/v1"
ledgerv1 "github.com/tech/sendico/pkg/proto/ledger/v1"
)
// Fake implements Client for tests.
type Fake struct {
CreateAccountFn func(ctx context.Context, req *ledgerv1.CreateAccountRequest) (*ledgerv1.CreateAccountResponse, error)
ListAccountsFn func(ctx context.Context, req *ledgerv1.ListAccountsRequest) (*ledgerv1.ListAccountsResponse, error)
ReadBalanceFn func(ctx context.Context, accountID string) (*moneyv1.Money, error)
CreateTransactionFn func(ctx context.Context, tx rail.LedgerTx) (string, error)
HoldBalanceFn func(ctx context.Context, accountID string, amount string) error
CreateAccountFn func(ctx context.Context, req *ledgerv1.CreateAccountRequest) (*ledgerv1.CreateAccountResponse, error)
ListAccountsFn func(ctx context.Context, req *ledgerv1.ListAccountsRequest) (*ledgerv1.ListAccountsResponse, error)
PostCreditWithChargesFn func(ctx context.Context, req *ledgerv1.PostCreditRequest) (*ledgerv1.PostResponse, error)
PostDebitWithChargesFn func(ctx context.Context, req *ledgerv1.PostDebitRequest) (*ledgerv1.PostResponse, error)
TransferInternalFn func(ctx context.Context, req *ledgerv1.TransferRequest) (*ledgerv1.PostResponse, error)
@@ -20,6 +25,27 @@ type Fake struct {
CloseFn func() error
}
func (f *Fake) ReadBalance(ctx context.Context, accountID string) (*moneyv1.Money, error) {
if f.ReadBalanceFn != nil {
return f.ReadBalanceFn(ctx, accountID)
}
return &moneyv1.Money{}, nil
}
func (f *Fake) CreateTransaction(ctx context.Context, tx rail.LedgerTx) (string, error) {
if f.CreateTransactionFn != nil {
return f.CreateTransactionFn(ctx, tx)
}
return "", nil
}
func (f *Fake) HoldBalance(ctx context.Context, accountID string, amount string) error {
if f.HoldBalanceFn != nil {
return f.HoldBalanceFn(ctx, accountID, amount)
}
return nil
}
func (f *Fake) CreateAccount(ctx context.Context, req *ledgerv1.CreateAccountRequest) (*ledgerv1.CreateAccountResponse, error) {
if f.CreateAccountFn != nil {
return f.CreateAccountFn(ctx, req)