mirror of https://github.com/go-gitea/gitea
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package payload
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import (
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"context"
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issues_model "code.gitea.io/gitea/models/issues"
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"code.gitea.io/gitea/modules/util"
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)
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const replyPayloadVersion1 byte = 1
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type payloadReferenceType byte
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const (
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payloadReferenceIssue payloadReferenceType = iota
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payloadReferenceComment
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)
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// CreateReferencePayload creates data which GetReferenceFromPayload resolves to the reference again.
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func CreateReferencePayload(reference interface{}) ([]byte, error) {
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var refType payloadReferenceType
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var refID int64
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switch r := reference.(type) {
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case *issues_model.Issue:
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refType = payloadReferenceIssue
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refID = r.ID
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case *issues_model.Comment:
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refType = payloadReferenceComment
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refID = r.ID
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default:
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return nil, util.NewInvalidArgumentErrorf("unsupported reference type: %T", r)
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}
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payload, err := util.PackData(refType, refID)
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if err != nil {
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return nil, err
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}
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return append([]byte{replyPayloadVersion1}, payload...), nil
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}
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// GetReferenceFromPayload resolves the reference from the payload
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func GetReferenceFromPayload(ctx context.Context, payload []byte) (interface{}, error) {
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if len(payload) < 1 {
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return nil, util.NewInvalidArgumentErrorf("payload to small")
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}
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if payload[0] != replyPayloadVersion1 {
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return nil, util.NewInvalidArgumentErrorf("unsupported payload version")
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}
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var ref payloadReferenceType
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var id int64
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if err := util.UnpackData(payload[1:], &ref, &id); err != nil {
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return nil, err
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}
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switch ref {
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case payloadReferenceIssue:
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return issues_model.GetIssueByID(ctx, id)
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case payloadReferenceComment:
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return issues_model.GetCommentByID(ctx, id)
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default:
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return nil, util.NewInvalidArgumentErrorf("unsupported reference type: %T", ref)
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}
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}
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