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68 lines
1.9 KiB
68 lines
1.9 KiB
package cache
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import (
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"context"
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"time"
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relationTb "github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/relation"
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"github.com/dtm-labs/rockscache"
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"github.com/redis/go-redis/v9"
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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 msgCache
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type BlackCache interface {
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//get blackIDs from msgCache
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metaCache
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NewCache() BlackCache
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GetBlackIDs(ctx context.Context, userID string) (blackIDs []string, err error)
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//del user's blackIDs msgCache, exec when a user's black list changed
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DelBlackIDs(ctx context.Context, userID string) BlackCache
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}
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type BlackCacheRedis struct {
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metaCache
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expireTime time.Duration
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rcClient *rockscache.Client
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blackDB relationTb.BlackModelInterface
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}
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func NewBlackCacheRedis(rdb redis.UniversalClient, blackDB relationTb.BlackModelInterface, options rockscache.Options) BlackCache {
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rcClient := rockscache.NewClient(rdb, options)
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return &BlackCacheRedis{
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expireTime: blackExpireTime,
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rcClient: rcClient,
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metaCache: NewMetaCacheRedis(rcClient),
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blackDB: blackDB,
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}
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}
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func (b *BlackCacheRedis) NewCache() BlackCache {
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return &BlackCacheRedis{
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expireTime: b.expireTime,
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rcClient: b.rcClient,
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blackDB: b.blackDB,
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metaCache: NewMetaCacheRedis(b.rcClient, b.metaCache.GetPreDelKeys()...),
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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.blackDB.FindBlackUserIDs(ctx, userID)
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})
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}
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func (b *BlackCacheRedis) DelBlackIDs(ctx context.Context, userID string) BlackCache {
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cache := b.NewCache()
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cache.AddKeys(b.getBlackIDsKey(userID))
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return cache
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}
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