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112 lines
2.4 KiB
112 lines
2.4 KiB
package dao |
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import ( |
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"context" |
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"encoding/json" |
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"fmt" |
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"go-common/app/service/main/figure/model" |
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"go-common/library/cache/redis" |
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"go-common/library/log" |
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"github.com/pkg/errors" |
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) |
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const ( |
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_figureKey = "f:%d" |
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) |
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func figureKey(mid int64) string { |
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return fmt.Sprintf(_figureKey, mid) |
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} |
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// PingRedis check redis connection |
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func (d *Dao) PingRedis(c context.Context) (err error) { |
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conn := d.redis.Get(c) |
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defer conn.Close() |
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if _, err = conn.Do("SET", "PING", "PONG"); err != nil { |
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err = errors.WithStack(err) |
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} |
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return |
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} |
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// AddFigureInfoCache put figure to redis |
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func (d *Dao) AddFigureInfoCache(c context.Context, f *model.Figure) (err error) { |
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var ( |
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key = figureKey(f.Mid) |
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conn = d.redis.Get(c) |
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values []byte |
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) |
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defer conn.Close() |
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if values, err = json.Marshal(f); err != nil { |
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err = errors.Wrapf(err, "%+v", f) |
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return |
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} |
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if err = conn.Send("SET", key, values); err != nil { |
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err = errors.Wrapf(err, "conn.Send(SET, %s, %d)", key, values) |
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return |
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} |
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if err = conn.Send("EXPIRE", key, d.redisExpire); err != nil { |
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err = errors.Wrapf(err, "conn.Send(Expire, %s, %d)", key, d.redisExpire) |
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return |
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} |
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return |
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} |
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// FigureInfoCache get user figure info from redis |
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func (d *Dao) FigureInfoCache(c context.Context, mid int64) (f *model.Figure, err error) { |
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key := figureKey(mid) |
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conn := d.redis.Get(c) |
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defer conn.Close() |
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item, err := redis.Bytes(conn.Do("GET", key)) |
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if err != nil { |
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if err == redis.ErrNil { |
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err = nil |
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} |
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return |
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} |
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if err = json.Unmarshal(item, &f); err != nil { |
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log.Error("json.Unmarshal(%v) err(%v)", item, err) |
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} |
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return |
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} |
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// FigureBatchInfoCache ... |
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func (d *Dao) FigureBatchInfoCache(c context.Context, mids []int64) (fs []*model.Figure, missIndex []int, err error) { |
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if len(mids) == 0 { |
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return |
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} |
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fs = make([]*model.Figure, len(mids)) |
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var ( |
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conn = d.redis.Get(c) |
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valueBytes [][]byte |
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keys []interface{} |
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) |
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defer conn.Close() |
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for _, mid := range mids { |
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keys = append(keys, figureKey(mid)) |
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} |
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if valueBytes, err = redis.ByteSlices(conn.Do("MGET", keys...)); err != nil { |
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if err == redis.ErrNil { |
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err = nil |
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return |
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} |
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err = errors.WithStack(err) |
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return |
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} |
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for i, value := range valueBytes { |
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if value == nil { |
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missIndex = append(missIndex, i) |
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continue |
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} |
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f := &model.Figure{} |
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if err = json.Unmarshal(value, &f); err != nil { |
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log.Error("%+v", errors.Wrapf(err, "json.Unmarshal(%s)", value)) |
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err = nil |
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missIndex = append(missIndex, i) |
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continue |
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} |
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fs[i] = f |
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} |
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return |
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}
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