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76 lines
1.5 KiB
76 lines
1.5 KiB
package dao |
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import ( |
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"context" |
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"sync" |
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accountApi "go-common/app/service/main/account/api" |
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account "go-common/app/service/main/account/model" |
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"go-common/library/log" |
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"go-common/library/sync/errgroup" |
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) |
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const ( |
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_perCall = 50 |
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) |
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func chain(ids ...[]int64) []int64 { |
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res := make([]int64, 0, len(ids)) |
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for _, l := range ids { |
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res = append(res, l...) |
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} |
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return res |
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} |
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func uniq(ids ...[]int64) []int64 { |
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hm := make(map[int64]struct{}) |
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for _, i := range chain(ids...) { |
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hm[i] = struct{}{} |
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} |
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res := make([]int64, 0, len(ids)) |
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for i := range hm { |
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res = append(res, i) |
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} |
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return res |
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} |
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// RPCInfos rpc info get by muti mid . |
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func (d *Dao) RPCInfos(c context.Context, mids []int64) (res map[int64]*account.Info, err error) { |
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var ( |
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g errgroup.Group |
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l sync.RWMutex |
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) |
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mids = uniq(mids) |
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total := len(mids) |
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pageNum := total / _perCall |
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if total%_perCall != 0 { |
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pageNum++ |
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} |
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res = make(map[int64]*account.Info, total) |
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for i := 0; i < pageNum; i++ { |
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start := i * _perCall |
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end := (i + 1) * _perCall |
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if end > total { |
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end = total |
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} |
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g.Go(func() (err error) { |
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midsReq := &accountApi.MidsReq{Mids: mids[start:end]} |
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infosReply, err := d.accountClient.Infos3(c, midsReq) |
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if err != nil { |
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log.Error("d.accountClient.Infos3(%+v) error(%v)", midsReq, err) |
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err = nil |
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return |
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} |
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for mid, info := range infosReply.Infos { |
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l.Lock() |
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res[mid] = info |
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l.Unlock() |
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} |
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return |
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}) |
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} |
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if err = g.Wait(); err != nil { |
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log.Error("g.Wait error(%v)", err) |
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} |
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return |
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}
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