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75 lines
1.8 KiB
75 lines
1.8 KiB
package dao |
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import ( |
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"context" |
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"fmt" |
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"encoding/json" |
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"go-common/app/interface/main/web/model" |
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"go-common/library/cache/redis" |
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"go-common/library/log" |
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) |
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const ( |
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_keyCardFmt = "ac_%d" |
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) |
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func keyCard(mid int64) string { |
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return fmt.Sprintf(_keyCardFmt, mid) |
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} |
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// SetCardBakCache set card data to cache. |
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func (d *Dao) SetCardBakCache(c context.Context, mid int64, rs *model.Card) (err error) { |
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var bs []byte |
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key := keyCard(mid) |
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if bs, err = json.Marshal(rs); err != nil { |
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log.Error("json.Marshal(%v) error(%v)", rs, err) |
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return |
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} |
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err = d.commonSetBakCache(c, key, bs) |
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return |
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} |
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//CardBakCache get card data from cache. |
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func (d *Dao) CardBakCache(c context.Context, mid int64) (rs *model.Card, err error) { |
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key := keyCard(mid) |
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conn := d.redisBak.Get(c) |
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defer conn.Close() |
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var values []byte |
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if values, err = redis.Bytes(conn.Do("GET", key)); err != nil { |
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if err == redis.ErrNil { |
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err = nil |
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log.Warn("CardBakCache (%s) return nil", key) |
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} else { |
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log.Error("conn.Do(GET,%s) error(%v)", key, err) |
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} |
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return |
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} |
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if err = json.Unmarshal(values, &rs); err != nil { |
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log.Error("json.Unmarshal(%v) error(%v)", values, err) |
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} |
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return |
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} |
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func (d *Dao) commonSetBakCache(c context.Context, key string, bs []byte) (err error) { |
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conn := d.redisBak.Get(c) |
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defer conn.Close() |
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if err = conn.Send("SET", key, bs); err != nil { |
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log.Error("conn.Send(SET,%s,%s) error(%v)", key, string(bs), err) |
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return |
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} |
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if err = conn.Send("EXPIRE", key, d.redisCardBakExpire); err != nil { |
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log.Error("conn.Send(EXPIRE,%s,%d) error(%v)", key, d.redisCardBakExpire, err) |
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return |
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} |
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if err = conn.Flush(); err != nil { |
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log.Error("conn.Flush error(%v)", err) |
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return |
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} |
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for i := 0; i < 2; i++ { |
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if _, err = conn.Receive(); err != nil { |
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log.Error("conn.Receive(%d) error(%v)", i, err) |
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} |
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} |
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return |
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}
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