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87 lines
2.4 KiB
87 lines
2.4 KiB
package cache
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import (
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"Open_IM/pkg/common/db/mysql"
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"Open_IM/pkg/common/trace_log"
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"Open_IM/pkg/utils"
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"context"
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"encoding/json"
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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 GroupExpireTime = time.Second * 60 * 60 * 12
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const groupInfoCacheKey = "GROUP_INFO_CACHE:"
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type GroupCache struct {
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db *mysql.Group
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expireTime time.Duration
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redisClient *RedisClient
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rcClient *rockscache.Client
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}
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func NewGroupCache(rdb redis.UniversalClient, db *mysql.Group, opts rockscache.Options) *GroupCache {
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redisClient := NewRedisClient(rdb)
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return &GroupCache{rcClient: rockscache.NewClient(rdb, opts), expireTime: GroupExpireTime, db: db, redisClient: redisClient}
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}
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func (g *GroupCache) getRedisClient() *RedisClient {
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return g.redisClient
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}
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func (g *GroupCache) GetGroupsInfoFromCache(ctx context.Context, groupIDs []string) (groups []*mysql.Group, err error) {
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for _, groupID := range groupIDs {
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group, err := g.GetGroupInfoFromCache(ctx, groupID)
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if err != nil {
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return nil, err
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}
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groups = append(groups, group)
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}
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return groups, nil
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}
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func (g *GroupCache) GetGroupInfoFromCache(ctx context.Context, groupID string) (group *mysql.Group, err error) {
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getGroup := func() (string, error) {
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groupInfo, err := g.db.Take(ctx, groupID)
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if err != nil {
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return "", utils.Wrap(err, "")
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}
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bytes, err := json.Marshal(groupInfo)
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if err != nil {
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return "", utils.Wrap(err, "")
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}
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return string(bytes), nil
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}
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group = &mysql.Group{}
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defer func() {
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trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID, "group", *group)
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}()
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groupStr, err := g.rcClient.Fetch(g.getGroupInfoCacheKey(groupID), g.expireTime, getGroup)
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if err != nil {
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return nil, utils.Wrap(err, "")
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}
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err = json.Unmarshal([]byte(groupStr), group)
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return group, utils.Wrap(err, "")
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}
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func (g *GroupCache) DelGroupInfoFromCache(ctx context.Context, groupID string) (err error) {
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defer func() {
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trace_log.SetCtxDebug(ctx, utils.GetFuncName(1), err, "groupID", groupID)
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}()
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return g.rcClient.TagAsDeleted(g.getGroupInfoCacheKey(groupID))
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}
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func (g *GroupCache) DelGroupsInfoFromCache(ctx context.Context, groupIDs []string) error {
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for _, groupID := range groupIDs {
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if err := g.DelGroupInfoFromCache(ctx, groupID); err != nil {
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return err
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}
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}
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return nil
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}
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func (g *GroupCache) getGroupInfoCacheKey(groupID string) string {
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return groupInfoCacheKey + groupID
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}
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