feat(t226): add Go ERP session login

backend-api/internal/transport/webui/usecase_adapter.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"cmroubao/backend-api/internal/domain"
+	"cmroubao/backend-api/internal/platform/shunyunbao"
 	"cmroubao/backend-api/internal/transport/authcommon"
 	"cmroubao/backend-api/internal/usecase"
 )
@@ -19,6 +20,7 @@ type UsecaseAdapter struct {
 	authorizations *usecase.OrderAuthorizationService
 	freight        *usecase.FreightService
 	procurement    *usecase.ProcurementService
+	erp            *shunyunbao.SessionManager
 }
 
 func (adapter *UsecaseAdapter) SetProcurement(
@@ -27,6 +29,65 @@ func (adapter *UsecaseAdapter) SetProcurement(
 	adapter.procurement = procurement
 }
 
+func (adapter *UsecaseAdapter) SetERPConnection(
+	manager *shunyunbao.SessionManager,
+) {
+	adapter.erp = manager
+}
+
+func (adapter *UsecaseAdapter) ERPConnectionStatus(
+	context.Context,
+) (ERPConnectionStatus, error) {
+	if adapter.erp == nil {
+		return ERPConnectionStatus{}, ErrUnavailable
+	}
+	return erpConnectionStatusFrom(adapter.erp.Status()), nil
+}
+
+func (adapter *UsecaseAdapter) RequestERPCaptcha(
+	ctx context.Context,
+) (ERPConnectionStatus, error) {
+	if adapter.erp == nil {
+		return ERPConnectionStatus{}, ErrUnavailable
+	}
+	status, err := adapter.erp.FetchCaptcha(ctx)
+	if err != nil {
+		return erpConnectionStatusFrom(status), mapERPError(err)
+	}
+	return erpConnectionStatusFrom(status), nil
+}
+
+func (adapter *UsecaseAdapter) OpenERPCaptcha(
+	_ context.Context,
+	ticket string,
+) (ERPCaptchaImage, error) {
+	if adapter.erp == nil {
+		return ERPCaptchaImage{}, ErrUnavailable
+	}
+	image, err := adapter.erp.OpenCaptcha(ticket)
+	if err != nil {
+		return ERPCaptchaImage{}, mapERPError(err)
+	}
+	return ERPCaptchaImage{
+		Content:     image.Content,
+		ContentType: image.ContentType,
+	}, nil
+}
+
+func (adapter *UsecaseAdapter) LoginERP(
+	ctx context.Context,
+	input ERPLoginInput,
+) (ERPConnectionStatus, error) {
+	if adapter.erp == nil {
+		return ERPConnectionStatus{}, ErrUnavailable
+	}
+	status, err := adapter.erp.Login(ctx, input.CaptchaTicket, input.CaptchaCode)
+	if err != nil {
+		return erpConnectionStatusFrom(status), mapERPError(err)
+	}
+	return erpConnectionStatusFrom(status), nil
+}
+
 func NewUsecaseAdapter(
 	tasks *usecase.TaskService,
 	assets *usecase.AssetService,
@@ -840,6 +901,38 @@ func mapUsecaseError(err error) error {
 	}
 }
 
+func mapERPError(err error) error {
+	var public error
+	switch {
+	case errors.Is(err, domain.ErrFreightSourceNotConfigured):
+		public = ErrERPNotConfigured
+	case errors.Is(err, domain.ErrFreightSourceSessionNeeded):
+		public = ErrERPSessionNeeded
+	case errors.Is(err, shunyunbao.ErrCaptchaTicketInvalid):
+		public = ErrERPCaptchaInvalid
+	case errors.Is(err, shunyunbao.ErrLoginRejected):
+		public = ErrERPLoginRejected
+	case errors.Is(err, domain.ErrFreightSourceProtocol):
+		public = ErrERPProtocol
+	case errors.Is(err, domain.ErrFreightSourceUnavailable):
+		public = ErrUnavailable
+	default:
+		return err
+	}
+	return &adapterError{public: public, cause: err}
+}
+
+func erpConnectionStatusFrom(
+	status shunyunbao.SessionStatus,
+) ERPConnectionStatus {
+	return ERPConnectionStatus{
+		Configured:    status.Configured,
+		Authenticated: status.Authenticated,
+		CaptchaReady:  status.CaptchaReady,
+		CaptchaTicket: status.CaptchaTicket,
+	}
+}
+
 type adapterError struct {
 	public error
 	cause  error
@@ -856,3 +949,4 @@ func (err *adapterError) Unwrap() []error {
 var _ Service = (*UsecaseAdapter)(nil)
 var _ FreightService = (*UsecaseAdapter)(nil)
 var _ ProcurementService = (*UsecaseAdapter)(nil)
+var _ ERPConnectionService = (*UsecaseAdapter)(nil)