errors.go

package rony

import (
	"errors"
	"fmt"
)

/*
   Creation Time: 2019 - Nov - 16
   Created by:  (ehsan)
   Maintainers:
      1.  Ehsan N. Moosa (E2)
   Auditor: Ehsan N. Moosa (E2)
   Copyright Ronak Software Group 2020
*/

// Error Codes
const (
	ErrCodeInternal         = "E00" // When Error is Unknown or it is internal and should not be exposed to the client
	ErrCodeInvalid          = "E01"
	ErrCodeUnavailable      = "E02"
	ErrCodeTooMany          = "E03"
	ErrCodeTooFew           = "E04"
	ErrCodeIncomplete       = "E05"
	ErrCodeTimeout          = "E06"
	ErrCodeAccess           = "E07"
	ErrCodeAlreadyExists    = "E08"
	ErrCodeBusy             = "E09"
	ErrCodeOutOfRange       = "E10"
	ErrCodePartiallyApplied = "E11"
	ErrCodeExpired          = "E12"
	ErrCodeNotImplemented   = "E13"
)

// Error Items
const (
	ErrItemServer     = "SERVER"
	ErrItemRaftLeader = "RAFT_LEADER"
	ErrItemHandler    = "HANDLER"
	ErrItemRequest    = "REQUEST"
)

// Errors
var (
	ErrGatewayAlreadyInitialized = errors.New("gateway already initialized")
	ErrNotFound                  = errors.New("not found")
	ErrAlreadyExists             = errors.New("already exists")
	ErrNotRaftLeader             = errors.New("not raft leader")
	ErrRaftAlreadyJoined         = errors.New("raft already joined")
	ErrRaftExecuteOnLeader       = errors.New("raft execute on leader")
	ErrRetriesExceeded           = wrapError("maximum retries exceeded")
)

func wrapError(txt string) func(err error) error {
	return func(err error) error {
		return errors.New(fmt.Sprintf("%s: %v", txt, err))
	}
}