Method OffsetDelete

offsetdelete.go:59–106

OffsetDelete sends a delete offset request to a kafka broker and returns the response.

(ctx context.Context, req *OffsetDeleteRequest)

// OffsetDelete sends a delete offset request to a kafka broker and returns the
// response.
func (c *Client) OffsetDelete(ctx context.Context, req *OffsetDeleteRequest) (*OffsetDeleteResponse, error) {
	topics := make([]offsetdelete.RequestTopic, 0, len(req.Topics))

	for topicName, partitionIndexes := range req.Topics {
		partitions := make([]offsetdelete.RequestPartition, len(partitionIndexes))

		for i, c := range partitionIndexes {
			partitions[i] = offsetdelete.RequestPartition{
				PartitionIndex: int32(c),
			}
		}

		topics = append(topics, offsetdelete.RequestTopic{
			Name:       topicName,
			Partitions: partitions,
		})
	}

	m, err := c.roundTrip(ctx, req.Addr, &offsetdelete.Request{
		GroupID: req.GroupID,
		Topics:  topics,
	})
	if err != nil {
		return nil, fmt.Errorf("kafka.(*Client).OffsetDelete: %w", err)
	}
	r := m.(*offsetdelete.Response)

	res := &OffsetDeleteResponse{
		Error:    makeError(r.ErrorCode, ""),
		Throttle: makeDuration(r.ThrottleTimeMs),
		Topics:   make(map[string][]OffsetDeletePartition, len(r.Topics)),
	}

	for _, topic := range r.Topics {
		partitions := make([]OffsetDeletePartition, len(topic.Partitions))

		for i, p := range topic.Partitions {
			partitions[i] = OffsetDeletePartition{
				Partition: int(p.PartitionIndex),
				Error:     makeError(p.ErrorCode, ""),
			}
		}

		res.Topics[topic.Name] = partitions
	}

	return res, nil
}