move api/server to api/edge/bff

api/edge/bff/internal/server/ledgerapiimp/service.go

@@ -0,0 +1,112 @@
+package ledgerapiimp
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	ledgerclient "github.com/tech/sendico/ledger/client"
+	api "github.com/tech/sendico/pkg/api/http"
+	"github.com/tech/sendico/pkg/auth"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/mservice"
+	ledgerv1 "github.com/tech/sendico/pkg/proto/ledger/v1"
+	eapi "github.com/tech/sendico/server/interface/api"
+	mutil "github.com/tech/sendico/server/internal/mutil/param"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.uber.org/zap"
+)
+
+type ledgerClient interface {
+	CreateAccount(ctx context.Context, req *ledgerv1.CreateAccountRequest) (*ledgerv1.CreateAccountResponse, error)
+	ListAccounts(ctx context.Context, req *ledgerv1.ListAccountsRequest) (*ledgerv1.ListAccountsResponse, error)
+	GetBalance(ctx context.Context, req *ledgerv1.GetBalanceRequest) (*ledgerv1.BalanceResponse, error)
+	Close() error
+}
+
+type LedgerAPI struct {
+	logger        mlogger.Logger
+	client        ledgerClient
+	enf           auth.Enforcer
+	oph           mutil.ParamHelper
+	aph           mutil.ParamHelper
+	permissionRef bson.ObjectID
+	balancePerm   bson.ObjectID
+}
+
+func (a *LedgerAPI) Name() mservice.Type { return mservice.LedgerAccounts }
+
+func (a *LedgerAPI) Finish(ctx context.Context) error {
+	if a.client != nil {
+		if err := a.client.Close(); err != nil {
+			a.logger.Warn("Failed to close ledger client", zap.Error(err))
+		}
+	}
+	return nil
+}
+
+func CreateAPI(apiCtx eapi.API) (*LedgerAPI, error) {
+	p := &LedgerAPI{
+		logger: apiCtx.Logger().Named(mservice.LedgerAccounts),
+		enf:    apiCtx.Permissions().Enforcer(),
+		oph:    mutil.CreatePH(mservice.Organizations),
+		aph:    mutil.CreatePH("ledger_account"),
+	}
+
+	desc, err := apiCtx.Permissions().GetPolicyDescription(context.Background(), mservice.LedgerAccounts)
+	if err != nil {
+		p.logger.Warn("Failed to fetch ledger accounts permission description", zap.Error(err))
+		return nil, err
+	}
+	p.permissionRef = desc.ID
+
+	bdesc, err := apiCtx.Permissions().GetPolicyDescription(context.Background(), mservice.LedgerBalances)
+	if err != nil {
+		p.logger.Warn("Failed to fetch ledger balances permission description", zap.Error(err))
+		return nil, err
+	}
+	p.balancePerm = bdesc.ID
+
+	if err := p.initLedgerClient(apiCtx.Config().Ledger); err != nil {
+		p.logger.Error("Failed to initialize ledger client", zap.Error(err))
+		return nil, err
+	}
+
+	apiCtx.Register().AccountHandler(p.Name(), p.oph.AddRef("/"), api.Get, p.listAccounts)
+	apiCtx.Register().AccountHandler(p.Name(), p.oph.AddRef("/"), api.Post, p.createAccount)
+	apiCtx.Register().AccountHandler(p.Name(), p.aph.AddRef(p.oph.AddRef("/"))+"/balance", api.Get, p.getBalance)
+
+	return p, nil
+}
+
+func (a *LedgerAPI) initLedgerClient(cfg *eapi.LedgerConfig) error {
+	if cfg == nil {
+		return merrors.InvalidArgument("ledger configuration is not provided")
+	}
+
+	address := strings.TrimSpace(cfg.Address)
+	if address == "" {
+		address = strings.TrimSpace(os.Getenv(cfg.AddressEnv))
+	}
+	if address == "" {
+		return merrors.InvalidArgument(fmt.Sprintf("ledger address is not specified and address env %s is empty", cfg.AddressEnv))
+	}
+
+	clientCfg := ledgerclient.Config{
+		Address:     address,
+		DialTimeout: time.Duration(cfg.DialTimeoutSeconds) * time.Second,
+		CallTimeout: time.Duration(cfg.CallTimeoutSeconds) * time.Second,
+		Insecure:    cfg.Insecure,
+	}
+
+	client, err := ledgerclient.New(context.Background(), clientCfg)
+	if err != nil {
+		return err
+	}
+
+	a.client = client
+	return nil
+}