41 lines
766 B
Go
41 lines
766 B
Go
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package hub
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import (
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"fmt"
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"sort"
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"strings"
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)
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type (
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// Fields is a [key]value storage for Messages values.
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Fields map[string]interface{}
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// Message represent some message/event passed into the hub
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// It also contain some helper functions to convert the fields to primitive types.
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Message struct {
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Name string
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Body []byte
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Fields Fields
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}
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)
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// Topic return the message topic used when the message was sended.
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func (m *Message) Topic() string {
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return m.Name
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}
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func (f Fields) String() string {
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if len(f) == 0 {
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return "Fields(<empty>)"
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}
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fields := make([]string, 0, len(f))
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for k, v := range f {
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fields = append(fields, fmt.Sprintf("[%s]%v", k, v))
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}
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sort.Strings(fields)
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return "Fields( " + strings.Join(fields, ", ") + " )"
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}
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