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132 lines
3.2 KiB
132 lines
3.2 KiB
package account |
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import ( |
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"context" |
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"crypto/md5" |
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"encoding/binary" |
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"encoding/hex" |
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"strconv" |
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"time" |
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"go-common/library/cache/memcache" |
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"go-common/library/log" |
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) |
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const ( |
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_addMidAndTitlePrefix = "add_midtitle_" |
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_addMidHalfMinPrefix = "add_midhafmin_" |
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) |
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func limitMidHafMin(mid int64) string { |
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return _addMidHalfMinPrefix + strconv.FormatInt(mid, 10) |
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} |
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func limitMidSameTitle(mid int64, title string) string { |
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ms := md5.Sum([]byte(title)) |
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return _addMidAndTitlePrefix + strconv.FormatInt(mid, 10) + "_" + hex.EncodeToString(ms[:]) |
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} |
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// HalfMin fn |
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func (d *Dao) HalfMin(c context.Context, mid int64) (exist bool, ts uint64, err error) { |
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var ( |
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conn = d.mc.Get(c) |
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rp *memcache.Item |
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) |
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defer conn.Close() |
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key := limitMidHafMin(mid) |
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rp, err = conn.Get(key) |
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if err != nil { |
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if err == memcache.ErrNotFound { |
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err = nil |
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} else { |
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log.Error("conn.Get error(%v) | key(%s) mid(%d)", err, key, mid) |
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} |
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return |
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} |
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if err = conn.Scan(rp, &ts); err != nil { |
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log.Error("conn.Scan(%s) error(%v)", rp.Value, err) |
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return |
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} |
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log.Info("HalfMin key(%s) ts(%d)", key, ts) |
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if ts != 0 { |
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exist = true |
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} |
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return |
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} |
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// AddHalfMin fn |
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func (d *Dao) AddHalfMin(c context.Context, mid int64) (err error) { |
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conn := d.mc.Get(c) |
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defer conn.Close() |
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key := limitMidHafMin(mid) |
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ts := time.Now().Unix() |
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if err = conn.Set(&memcache.Item{Key: key, Object: ts, Flags: memcache.FlagJSON, Expiration: d.mcLimitAddBasicExp}); err != nil { |
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log.Error("memcache.set error(%v) | key(%s) mid(%d)", err, key, mid) |
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} |
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return |
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} |
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// DelHalfMin func |
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func (d *Dao) DelHalfMin(c context.Context, mid int64) (err error) { |
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conn := d.mc.Get(c) |
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defer conn.Close() |
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if err = conn.Delete(limitMidHafMin(mid)); err == memcache.ErrNotFound { |
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err = nil |
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} |
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return |
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} |
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// SubmitCache get user submit cache. |
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func (d *Dao) SubmitCache(c context.Context, mid int64, title string) (exist int8, err error) { |
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var ( |
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conn = d.mc.Get(c) |
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rp *memcache.Item |
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) |
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defer conn.Close() |
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key := limitMidSameTitle(mid, title) |
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rp, err = conn.Get(key) |
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if err != nil { |
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if err == memcache.ErrNotFound { |
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err = nil |
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} else { |
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log.Error("conn.Get error(%v) | key(%s) mid(%d) title(%s)", err, key, mid, title) |
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} |
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} |
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if rp != nil { |
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exist = int8(binary.BigEndian.Uint64(rp.Value)) |
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} |
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return |
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} |
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// AddSubmitCache add submit cache into mc. |
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func (d *Dao) AddSubmitCache(c context.Context, mid int64, title string) (err error) { |
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conn := d.mc.Get(c) |
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defer conn.Close() |
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key := limitMidSameTitle(mid, title) |
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bs := make([]byte, 8) |
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binary.BigEndian.PutUint64(bs, 1) |
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if err = conn.Set(&memcache.Item{Key: key, Object: bs, Flags: memcache.FlagJSON, Expiration: d.mcSubExp}); err != nil { |
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log.Error("memcache.set error(%v) | key(%s) mid(%d) title(%s)", err, key, mid, title) |
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} |
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return |
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} |
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// DelSubmitCache func |
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func (d *Dao) DelSubmitCache(c context.Context, mid int64, title string) (err error) { |
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conn := d.mc.Get(c) |
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defer conn.Close() |
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if err = conn.Delete(limitMidSameTitle(mid, title)); err == memcache.ErrNotFound { |
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err = nil |
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} |
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return |
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} |
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func (d *Dao) pingMemcache(c context.Context) (err error) { |
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conn := d.mc.Get(c) |
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defer conn.Close() |
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if err = conn.Set(&memcache.Item{Key: "ping", Value: []byte("pong"), Expiration: 0}); err != nil { |
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log.Error("mc.ping.Store error(%v)", err) |
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return |
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} |
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return |
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}
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