58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
package sessions
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import (
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"encoding/json"
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"errors"
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"fmt"
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"time"
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"openreplay/backend/pkg/db/redis"
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)
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type cacheImpl struct {
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db *redis.Client
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}
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func (c *cacheImpl) Set(session *Session) error {
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if c.db == nil {
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return ErrDisabledCache
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}
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if session == nil {
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return errors.New("session is nil")
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}
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if session.SessionID == 0 {
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return errors.New("session id is 0")
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}
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sessionBytes, err := json.Marshal(session)
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if err != nil {
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return err
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}
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if _, err = c.db.Redis.Set(fmt.Sprintf("session:id:%d", session.SessionID), sessionBytes, time.Minute*30).Result(); err != nil {
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return err
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}
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return nil
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}
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func (c *cacheImpl) Get(sessionID uint64) (*Session, error) {
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if c.db == nil {
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return nil, ErrDisabledCache
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}
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if sessionID == 0 {
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return nil, errors.New("session id is 0")
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}
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result, err := c.db.Redis.Get(fmt.Sprintf("session:id:%d", sessionID)).Result()
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if err != nil {
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return nil, err
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}
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session := &Session{}
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if err = json.Unmarshal([]byte(result), session); err != nil {
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return nil, err
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}
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return session, nil
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}
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var ErrDisabledCache = errors.New("cache is disabled")
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func NewCache(db *redis.Client) Cache {
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return &cacheImpl{db: db}
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}
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