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batch_receive_message.go
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batch_receive_message.go
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package alimns
import (
"context"
"encoding/xml"
"errors"
"fmt"
"net/http"
)
// BatchReceiveMessageResponse 批量消費消息
type BatchReceiveMessageResponse struct {
XMLName xml.Name `xml:"Messages"`
XMLNs string `xml:"xmlns,attr"`
ReceiveMessages []*ReceiveMessage `xml:"Message"`
}
// DefaultBatchReceiveMessage 返回默认的批量消费消息的参数
func DefaultBatchReceiveMessage() ReceiveMessageParam {
return ReceiveMessageParam{
NumOfMessages: defaultReceiveMessage,
}
}
// BatchReceiveMessage 批量消费消息
func (c *Client) BatchReceiveMessage(name string, setters ...ReceiveMessageParamSetter) (*BatchReceiveMessageResponse, error) {
var err error
receiveMessage := DefaultBatchReceiveMessage()
for _, setter := range setters {
err = setter(&receiveMessage)
if err != nil {
return nil, err
}
}
requestLine := fmt.Sprintf(mnsBatchReceiveMessage, name)
req := c.ca.NewRequest().Get().WithPath(requestLine).WithQueryParam(&receiveMessage)
resp, err := c.ca.Do(context.TODO(), req)
if err != nil {
return nil, err
}
switch resp.StatusCode() {
case http.StatusOK:
var batchReceiveMessageResponse BatchReceiveMessageResponse
if err := resp.DecodeFromXML(&batchReceiveMessageResponse); err != nil {
return nil, err
}
return &batchReceiveMessageResponse, nil
default:
var respErr RespErr
if err := resp.DecodeFromXML(&respErr); err != nil {
return nil, err
}
switch respErr.Code {
case messageNotExistError.Error():
return nil, messageNotExistError
case queueNotExistError.Error():
return nil, queueNotExistError
}
return nil, errors.New(respErr.Code)
}
}