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30 lines
771 B
Go
30 lines
771 B
Go
// Copyright (c) Mainflux
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// SPDX-License-Identifier: Apache-2.0
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package readers
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import (
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"errors"
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"github.com/mainflux/mainflux/transformers/senml"
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)
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// ErrNotFound indicates that requested entity doesn't exist.
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var ErrNotFound = errors.New("entity not found")
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// MessageRepository specifies message reader API.
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type MessageRepository interface {
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// ReadAll skips given number of messages for given channel and returns next
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// limited number of messages.
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ReadAll(chanID string, offset, limit uint64, query map[string]string) (MessagesPage, error)
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}
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// MessagesPage contains page related metadata as well as list of messages that
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// belong to this page.
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type MessagesPage struct {
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Total uint64
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Offset uint64
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Limit uint64
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Messages []senml.Message
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}
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