97 lines
3.3 KiB
Go
97 lines
3.3 KiB
Go
// Изменено: 2026-04-11 — добавлена Redis persistence
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// ChangeMessageVisibilityV1 — меняет visibility timeout сообщения в очереди тенанта.
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package gosqs
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import (
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"net/http"
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"strings"
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"time"
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"shared-sqs/app/interfaces"
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"shared-sqs/app/models"
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"shared-sqs/app/persistence"
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"shared-sqs/app/utils"
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"github.com/gorilla/mux"
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log "github.com/sirupsen/logrus"
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)
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func ChangeMessageVisibilityV1(req *http.Request) (int, interfaces.AbstractResponseBody) {
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requestBody := models.NewChangeMessageVisibilityRequest()
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ok := utils.REQUEST_TRANSFORMER(requestBody, req, false)
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if !ok {
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log.Error("Invalid Request - ChangeMessageVisibilityV1")
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return utils.CreateErrorResponseV1("InvalidParameterValue", true)
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}
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t := getTenantFromContext(req)
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if t == nil {
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return utils.CreateErrorResponseV1("InvalidClientTokenId", true)
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}
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vars := mux.Vars(req)
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queueUrl := requestBody.QueueUrl
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queueName := ""
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if queueUrl == "" {
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queueName = vars["queueName"]
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} else {
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uriSegments := strings.Split(queueUrl, "/")
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queueName = uriSegments[len(uriSegments)-1]
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}
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key := tenantQueueKey(t.AccessKey, queueName)
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receiptHandle := requestBody.ReceiptHandle
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visibilityTimeout := requestBody.VisibilityTimeout
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if visibilityTimeout < 0 || visibilityTimeout > 43200 {
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return utils.CreateErrorResponseV1("InvalidParameterValue", true)
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}
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queue := models.SyncQueues.GetLocked(key)
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if queue == nil {
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return utils.CreateErrorResponseV1("QueueNotFound", true)
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}
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defer queue.UnlockMu()
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messageFound := false
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var changedMsgUuid string
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var msgRemoved bool
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var dlqMsg *models.SqsMessage
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// O(1)-поиск по индексу ReceiptHandle (P1.2) вместо скана всего среза.
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if i, ok := queue.IndexOfReceipt(receiptHandle); ok {
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if visibilityTimeout == 0 {
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// Возврат видимости (+ DLQ-перенос при исчерпании MaxReceiveCount) —
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// единый путь с батчевой версией.
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changedMsgUuid, msgRemoved, dlqMsg = queue.ResetVisibilityAndTryDLQ(i, receiptHandle)
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} else {
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queue.Messages[i].VisibilityTimeout = time.Now().Add(time.Duration(visibilityTimeout) * time.Second)
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changedMsgUuid = queue.Messages[i].Uuid
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}
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messageFound = true
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}
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// Персистим изменения в Redis под Lock (сетевые записи асинхронны).
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if messageFound {
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if msgRemoved {
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// Сообщение удалено (перемещено в DLQ) — удаляем из Redis исходной
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// очереди и сохраняем в DLQ, иначе после рестарта оно пропадёт из DLQ.
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persistence.DeleteMessagePersist(key, changedMsgUuid)
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if dlqMsg != nil {
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persistence.SaveMessage(dlqKeyFor(key, queue.DeadLetterQueue.Name), dlqMsg)
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}
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} else if i, ok := queue.IndexOfUUID(changedMsgUuid); ok {
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// Сообщение обновлено — перезаписываем в Redis
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persistence.SaveMessage(key, &queue.Messages[i])
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}
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persistence.SaveQueue(key, queue)
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}
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if !messageFound {
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return utils.CreateErrorResponseV1("MessageNotInFlight", true)
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}
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respStruct := models.ChangeMessageVisibilityResult{
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Xmlns: models.BaseXmlns,
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Metadata: models.BaseResponseMetadata,
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}
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return http.StatusOK, &respStruct
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}
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