38 lines
724 B
Go
38 lines
724 B
Go
package watermillmsg
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import (
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"context"
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"encoding/json"
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"github.com/ThreeDotsLabs/watermill"
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"github.com/ThreeDotsLabs/watermill/message"
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)
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type JSONMarshaler struct {
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NewUUID func() string
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}
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func (m JSONMarshaler) Marshal(ctx context.Context, v any) (*message.Message, error) {
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b, err := json.Marshal(v)
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if err != nil {
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return nil, err
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}
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msg := message.NewMessage(m.newUUID(), b)
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msg.SetContext(ctx)
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msg.Metadata.Set("Content-Type", "application/json")
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return msg, nil
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}
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func (m JSONMarshaler) newUUID() string {
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if m.NewUUID != nil {
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return m.NewUUID()
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}
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return watermill.NewUUID()
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}
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func (m JSONMarshaler) Unmarshal(msg *message.Message, v any) error {
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return json.Unmarshal(msg.Payload, v)
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}
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