30 lines
673 B
Go
30 lines
673 B
Go
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// Copyright © 2023 Roberto Hidalgo <event-gateway@un.rob.mx>
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// SPDX-License-Identifier: Apache-2.0
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package payload
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import (
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"context"
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"fmt"
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)
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type contextKey string
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const ContextKey contextKey = "x-event-payload"
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func FromContext(ctx context.Context) (*Payload, error) {
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pf := ctx.Value(ContextKey)
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if pf == nil {
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return nil, fmt.Errorf("no payload found in context: %+v", ctx)
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}
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if parser, ok := pf.(Parser); ok {
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return parser.Parse()
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}
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return nil, fmt.Errorf("value at %s is not a payload.Parser, it's a %+v", ContextKey, pf)
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}
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func Context(ctx context.Context, parser Parser) context.Context {
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return context.WithValue(ctx, ContextKey, parser)
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}
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