vikunja-api/pkg/modules/keyvalue/keyvalue.go

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// Copyright 2020 Vikunja and contriubtors. All rights reserved.
//
// This file is part of Vikunja.
//
// Vikunja is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public Licensee as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Vikunja is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public Licensee for more details.
//
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// You should have received a copy of the GNU Affero General Public Licensee
// along with Vikunja. If not, see <https://www.gnu.org/licenses/>.
package keyvalue
import (
"code.vikunja.io/api/pkg/config"
"code.vikunja.io/api/pkg/modules/keyvalue/memory"
"code.vikunja.io/api/pkg/modules/keyvalue/redis"
)
// Storage defines an interface for saving key-value pairs
type Storage interface {
Put(key string, value interface{}) (err error)
Get(key string) (value interface{}, err error)
Del(key string) (err error)
IncrBy(key string, update int64) (err error)
DecrBy(key string, update int64) (err error)
}
var store Storage
// InitStorage initializes the configured storage backend
func InitStorage() {
switch config.KeyvalueType.GetString() {
case "redis":
store = redis.NewStorage()
case "memory":
fallthrough
default:
store = memory.NewStorage()
}
}
// Put puts a value in the storage backend
func Put(key string, value interface{}) error {
return store.Put(key, value)
}
// Get returns a value from a storage backend
func Get(key string) (value interface{}, err error) {
return store.Get(key)
}
// Del removes a save value from a storage backend
func Del(key string) (err error) {
return store.Del(key)
}
// IncrBy increases a value at key by the amount in update
func IncrBy(key string, update int64) (err error) {
return store.IncrBy(key, update)
}
// DecrBy increases a value at key by the amount in update
func DecrBy(key string, update int64) (err error) {
return store.DecrBy(key, update)
}