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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package mq | ||
|
|
||
| import ( | ||
| "context" | ||
| "github.com/apache/rocketmq-client-go/v2" | ||
| mqprimitive "github.com/apache/rocketmq-client-go/v2/primitive" | ||
| "github.com/apache/rocketmq-client-go/v2/producer" | ||
| "github.com/cloudwego/hertz/pkg/common/json" | ||
| logx "github.com/xh-polaris/gopkg/util/log" | ||
| "github.com/xh-polaris/openapi-core-api/biz/infrastructure/config" | ||
| "github.com/xh-polaris/openapi-core-api/biz/infrastructure/consts" | ||
| ) | ||
|
|
||
| func SendBuyMsg(txId string, amount int64, rate int64, increment int64, price int64) error { | ||
| // 创建一个Producer实例 | ||
| p, err := rocketmq.NewProducer( | ||
| producer.WithNsResolver(mqprimitive.NewPassthroughResolver(config.GetConfig().RocketMQ.NameServers)), | ||
| producer.WithRetry(2), | ||
| ) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = p.Start() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| err2 := p.Shutdown() | ||
| if err2 != nil { | ||
| logx.Error("producer关闭失败") | ||
| } | ||
| }() | ||
|
|
||
| // 定义消息内容 | ||
| var msgBody map[string]interface{} | ||
| msgBody["txId"] = txId // 事务id | ||
| msgBody["rate"] = rate // 折扣 | ||
| msgBody["increment"] = increment // 接口余量增加量 | ||
| msgBody["amount"] = amount // 用户余额扣减 | ||
| msgBody["price"] = price // 购买时单价 | ||
|
|
||
| msgBodyBytes, err := json.Marshal(msgBody) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| msg := &mqprimitive.Message{ | ||
| Topic: consts.BuyTopic, | ||
| Body: msgBodyBytes, | ||
| } | ||
|
|
||
| _, err = p.SendSync(context.Background(), msg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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