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55 lines
1.6 KiB
55 lines
1.6 KiB
package cache
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import (
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"OpenIM/pkg/common/db/relation"
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"OpenIM/pkg/common/tracelog"
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"OpenIM/pkg/utils"
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"context"
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"github.com/dtm-labs/rockscache"
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"github.com/go-redis/redis/v8"
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"time"
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)
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const (
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blackIDsKey = "BLACK_IDS:"
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blackExpireTime = time.Second * 60 * 60 * 12
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)
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// args fn will exec when no data in cache
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type BlackCache interface {
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//get blackIDs from cache
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GetBlackIDs(ctx context.Context, userID string, fn func(ctx context.Context, userID string) ([]string, error)) (blackIDs []string, err error)
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//del user's blackIDs cache, exec when a user's black list changed
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DelBlackIDs(ctx context.Context, userID string) (err error)
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}
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type BlackCacheRedis struct {
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expireTime time.Duration
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rcClient *rockscache.Client
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black *relation.BlackGorm
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}
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func NewBlackCacheRedis(rdb redis.UniversalClient, blackDB BlackCache, options rockscache.Options) *BlackCacheRedis {
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return &BlackCacheRedis{
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expireTime: blackExpireTime,
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rcClient: rockscache.NewClient(rdb, options),
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}
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}
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func (b *BlackCacheRedis) getBlackIDsKey(ownerUserID string) string {
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return blackIDsKey + ownerUserID
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}
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func (b *BlackCacheRedis) GetBlackIDs(ctx context.Context, userID string) (blackIDs []string, err error) {
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return GetCache(ctx, b.rcClient, b.getBlackIDsKey(userID), b.expireTime, func(ctx context.Context) ([]string, error) {
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return b.black.FindBlackUserIDs(ctx, userID)
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})
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}
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func (b *BlackCacheRedis) DelBlackIDs(ctx context.Context, userID string) (err error) {
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defer func() {
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tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID)
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}()
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return b.rcClient.TagAsDeleted(b.getBlackIDsKey(userID))
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}
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