restucturization of recipients payment methods

api/gateway/chain/storage/mongo/repository.go

@@ -0,0 +1,98 @@
+package mongo
+
+import (
+	"context"
+	"time"
+
+	"github.com/tech/sendico/gateway/chain/storage"
+	"github.com/tech/sendico/gateway/chain/storage/mongo/store"
+	"github.com/tech/sendico/pkg/db"
+	"github.com/tech/sendico/pkg/merrors"
+	"github.com/tech/sendico/pkg/mlogger"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.uber.org/zap"
+)
+
+// Store implements storage.Repository backed by MongoDB.
+type Store struct {
+	logger mlogger.Logger
+	conn   *db.MongoConnection
+	db     *mongo.Database
+
+	wallets   storage.WalletsStore
+	transfers storage.TransfersStore
+	deposits  storage.DepositsStore
+}
+
+// New creates a new Mongo-backed repository.
+func New(logger mlogger.Logger, conn *db.MongoConnection) (*Store, error) {
+	if conn == nil {
+		return nil, merrors.InvalidArgument("mongo connection is nil")
+	}
+	client := conn.Client()
+	if client == nil {
+		return nil, merrors.Internal("mongo client is not initialised")
+	}
+
+	result := &Store{
+		logger: logger.Named("storage").Named("mongo"),
+		conn:   conn,
+		db:     conn.Database(),
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	if err := result.Ping(ctx); err != nil {
+		result.logger.Error("mongo ping failed during repository initialisation", zap.Error(err))
+		return nil, err
+	}
+
+	walletsStore, err := store.NewWallets(result.logger, result.db)
+	if err != nil {
+		result.logger.Error("failed to initialise wallets store", zap.Error(err))
+		return nil, err
+	}
+	transfersStore, err := store.NewTransfers(result.logger, result.db)
+	if err != nil {
+		result.logger.Error("failed to initialise transfers store", zap.Error(err))
+		return nil, err
+	}
+	depositsStore, err := store.NewDeposits(result.logger, result.db)
+	if err != nil {
+		result.logger.Error("failed to initialise deposits store", zap.Error(err))
+		return nil, err
+	}
+
+	result.wallets = walletsStore
+	result.transfers = transfersStore
+	result.deposits = depositsStore
+
+	result.logger.Info("Chain gateway MongoDB storage initialised")
+	return result, nil
+}
+
+// Ping verifies the MongoDB connection.
+func (s *Store) Ping(ctx context.Context) error {
+	if s.conn == nil {
+		return merrors.InvalidArgument("mongo connection is nil")
+	}
+	return s.conn.Ping(ctx)
+}
+
+// Wallets returns the wallets store.
+func (s *Store) Wallets() storage.WalletsStore {
+	return s.wallets
+}
+
+// Transfers returns the transfers store.
+func (s *Store) Transfers() storage.TransfersStore {
+	return s.transfers
+}
+
+// Deposits returns the deposits store.
+func (s *Store) Deposits() storage.DepositsStore {
+	return s.deposits
+}
+
+var _ storage.Repository = (*Store)(nil)