Remove platform tenancy from SXCHNGE customer BFF (#34)

backend/pkg/db/factory.go

@@ -1,12 +1,8 @@
 package db
 
 import (
-	"git.sendico.io/tech/sxchnge/bff/pkg/auth"
 	"git.sendico.io/tech/sxchnge/bff/pkg/db/account"
 	mongoimpl "git.sendico.io/tech/sxchnge/bff/pkg/db/internal/mongo"
-	"git.sendico.io/tech/sxchnge/bff/pkg/db/invitation"
-	"git.sendico.io/tech/sxchnge/bff/pkg/db/policy"
-	"git.sendico.io/tech/sxchnge/bff/pkg/db/role"
 	"git.sendico.io/tech/sxchnge/bff/pkg/db/transaction"
 	"git.sendico.io/tech/sxchnge/bff/pkg/merrors"
 	"git.sendico.io/tech/sxchnge/bff/pkg/mlogger"
@@ -16,15 +12,9 @@ import (
 type Factory interface {
 	NewAccountDB() (account.DB, error)
 	NewAccountDBWithCollection(collection string) (account.DB, error)
-	NewInvitationsDB() (invitation.DB, error)
-
-	NewRolesDB() (role.DB, error)
-	NewPoliciesDB() (policy.DB, error)
 
 	TransactionFactory() transaction.Factory
 
-	Permissions() auth.Provider
-
 	CloseConnection()
 }
 
@@ -38,16 +28,3 @@ func NewConnection(logger mlogger.Logger, config *Config) (Factory, error) {
 	}
 	return nil, merrors.InvalidArgument("unknown database driver: "+string(config.Driver), "config.driver")
 }
-
-// NewCentralPermissionsConnection opens the explicitly configured central
-// permissions database. It intentionally has no fallback to a service domain DB.
-func NewCentralPermissionsConnection(logger mlogger.Logger, config *PermissionsDatabaseConfig) (Factory, error) {
-	if config == nil {
-		return nil, merrors.InvalidArgument("permissions_database configuration is required", "permissions_database")
-	}
-	conn, err := NewConnection(logger, config.AsDatabaseConfig())
-	if err != nil {
-		return nil, merrors.Wrap(err, "permissions_database")
-	}
-	return conn, nil
-}