pushMessageCommmand.go
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package messageHandler
import (
"github.com/Shopify/sarama"
"github.com/linmadan/egglib-go/core/application"
"github.com/linmadan/egglib-go/utils/json"
"gitlab.fjmaimaimai.com/mmm-go-pp/egglib-go-demos/pkg/application/factory"
"gitlab.fjmaimaimai.com/mmm-go-pp/egglib-go-demos/pkg/application/message/command"
"gitlab.fjmaimaimai.com/mmm-go-pp/egglib-go-demos/pkg/application/message/service"
. "gitlab.fjmaimaimai.com/mmm-go-pp/egglib-go-demos/pkg/log"
)
func PushMessageCommandHandler(message *sarama.ConsumerMessage) error {
transactionContext, err := factory.CreateTransactionContext(nil)
if err != nil {
return err
}
transactionContext.StartTransaction()
transactionIsSucceed := false
defer func() {
if transactionIsSucceed {
transactionContext.CommitTransaction()
} else {
transactionContext.RollbackTransaction()
}
}()
messageReceiverOptions := make(map[string]interface{})
localMessageOptions := make(map[string]interface{})
localMessageOptions["storeType"] = "pg"
localMessageOptions["converterType"] = "sarama"
storeOptions := make(map[string]interface{})
storeOptions["transactionContext"] = transactionContext
localMessageOptions["storeOptions"] = storeOptions
messageReceiverOptions["localMessageOptions"] = localMessageOptions
if receiver, err := factory.CreateMessageReceiver(messageReceiverOptions); err != nil {
return err
} else {
message, isRepeat, err := receiver.ReceiveMessage(message, nil)
if err != nil {
return err
}
if isRepeat {
var append = make(map[string]interface{})
append["messageId"] = message.MessageId
Logger.Warn("接收到重复消息")
} else {
/*填充业务 开始*/
pushMessageCommand := &command.PushMessageCommand{}
json.Unmarshal([]byte(message.MessageBody), pushMessageCommand)
messageServiceOptions := make(map[string]interface{})
messageServiceOptions["transactionContext"] = transactionContext
messageService := service.NewMessageService(messageServiceOptions)
if _, err := messageService.PushMessage(pushMessageCommand); err != nil {
return err
}
/*填充业务 结束*/
if err := receiver.ConfirmReceive(message); err != nil {
return err
}
}
}
transactionIsSucceed = true
return nil
}
func PgWrapperConsumerHandler(workHandler func(*application.Message, application.TransactionContext) error) func(*sarama.ConsumerMessage) error {
return func(message *sarama.ConsumerMessage) error {
transactionContext, err := factory.CreateTransactionContext(nil)
if err != nil {
return err
}
transactionContext.StartTransaction()
transactionIsSucceed := false
defer func() {
if transactionIsSucceed {
transactionContext.CommitTransaction()
} else {
transactionContext.RollbackTransaction()
}
}()
messageReceiverOptions := make(map[string]interface{})
localMessageOptions := make(map[string]interface{})
localMessageOptions["storeType"] = "pg"
localMessageOptions["converterType"] = "sarama"
storeOptions := make(map[string]interface{})
storeOptions["transactionContext"] = transactionContext
localMessageOptions["storeOptions"] = storeOptions
messageReceiverOptions["localMessageOptions"] = localMessageOptions
if receiver, err := factory.CreateMessageReceiver(messageReceiverOptions); err != nil {
return err
} else {
message, isRepeat, err := receiver.ReceiveMessage(message, nil)
if err != nil {
return err
}
if isRepeat {
var append = make(map[string]interface{})
append["messageId"] = message.MessageId
Logger.Warn("接收到重复消息")
} else {
err = workHandler(message, transactionContext)
if err := receiver.ConfirmReceive(message); err != nil {
return err
}
}
}
transactionIsSucceed = true
return nil
}
}
func PushMessageHandler(message *application.Message, transactionContext application.TransactionContext) error {
pushMessageCommand := &command.PushMessageCommand{}
json.Unmarshal([]byte(message.MessageBody), pushMessageCommand)
messageServiceOptions := make(map[string]interface{})
messageServiceOptions["transactionContext"] = transactionContext
messageService := service.NewMessageService(messageServiceOptions)
if _, err := messageService.PushMessage(pushMessageCommand); err != nil {
return err
}
return nil
}