mirror of
https://codeberg.org/forgejo/forgejo
synced 2024-12-05 02:54:46 +01:00
61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
|
// Copyright 2015 PingCAP, Inc.
|
||
|
//
|
||
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
// you may not use this file except in compliance with the License.
|
||
|
// You may obtain a copy of the License at
|
||
|
//
|
||
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
//
|
||
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
// See the License for the specific language governing permissions and
|
||
|
// limitations under the License.
|
||
|
|
||
|
package kv
|
||
|
|
||
|
import (
|
||
|
"strconv"
|
||
|
|
||
|
"github.com/juju/errors"
|
||
|
)
|
||
|
|
||
|
// IncInt64 increases the value for key k in kv store by step.
|
||
|
func IncInt64(rm RetrieverMutator, k Key, step int64) (int64, error) {
|
||
|
val, err := rm.Get(k)
|
||
|
if IsErrNotFound(err) {
|
||
|
err = rm.Set(k, []byte(strconv.FormatInt(step, 10)))
|
||
|
if err != nil {
|
||
|
return 0, errors.Trace(err)
|
||
|
}
|
||
|
return step, nil
|
||
|
}
|
||
|
if err != nil {
|
||
|
return 0, errors.Trace(err)
|
||
|
}
|
||
|
|
||
|
intVal, err := strconv.ParseInt(string(val), 10, 0)
|
||
|
if err != nil {
|
||
|
return 0, errors.Trace(err)
|
||
|
}
|
||
|
|
||
|
intVal += step
|
||
|
err = rm.Set(k, []byte(strconv.FormatInt(intVal, 10)))
|
||
|
if err != nil {
|
||
|
return 0, errors.Trace(err)
|
||
|
}
|
||
|
return intVal, nil
|
||
|
}
|
||
|
|
||
|
// GetInt64 get int64 value which created by IncInt64 method.
|
||
|
func GetInt64(r Retriever, k Key) (int64, error) {
|
||
|
val, err := r.Get(k)
|
||
|
if IsErrNotFound(err) {
|
||
|
return 0, nil
|
||
|
}
|
||
|
if err != nil {
|
||
|
return 0, errors.Trace(err)
|
||
|
}
|
||
|
intVal, err := strconv.ParseInt(string(val), 10, 0)
|
||
|
return intVal, errors.Trace(err)
|
||
|
}
|