47 lines
837 B
Go
47 lines
837 B
Go
package plugin
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import (
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"context"
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"github.com/evcc-io/evcc/plugin/pipeline"
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"github.com/evcc-io/evcc/util"
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)
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type msgHandler struct {
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ctx context.Context
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topic string
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pipeline *pipeline.Pipeline
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val *util.Monitor[string]
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}
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func (h *msgHandler) receive(payload string) {
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h.val.Set(payload)
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}
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// hasValue returned the received and processed payload as string
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func (h *msgHandler) hasValue() (string, error) {
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payload, err := h.val.GetContext(h.ctx)
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if err != nil {
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return "", err
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}
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if err := knownErrors([]byte(payload)); err != nil {
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return "", err
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}
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if h.pipeline != nil {
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b, err := h.pipeline.Process([]byte(payload))
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return string(b), err
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}
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return payload, nil
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}
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func (h *msgHandler) value() (string, error) {
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v, err := h.hasValue()
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if err != nil {
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return "", err
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}
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return v, nil
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}
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