41 lines
1.1 KiB
Go
41 lines
1.1 KiB
Go
package events
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import (
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"fmt"
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serverevents "git.apihub24.de/admin/server_events/v2"
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)
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func withSameUserName(context serverevents.IContext) func(context serverevents.IContext) bool {
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return serverevents.CreateMetaDataFilter(context, func(c serverevents.IContext) string {
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userName, _ := serverevents.MetadataAs[string](context, "UserName")
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return userName
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}, func(a string, b string) bool {
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return a == b
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})
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}
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type greeting struct {
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Message string
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}
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type greeterEventHandler struct{}
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func (handler greeterEventHandler) CanExecute(context serverevents.IContext) bool {
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_, ok := serverevents.MetadataAs[string](context, "UserName")
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return ok
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}
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func (handler greeterEventHandler) Handle(context serverevents.IContext, data any) {
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userName, ok := serverevents.ValueAs[string](data)
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if !ok {
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userName, _ = serverevents.MetadataAs[string](context, "UserName")
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}
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context.Dispatch("greet", greeting{
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Message: fmt.Sprintf("Hello, %s", userName),
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}, withSameUserName(context))
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}
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func NewGreeterEventHandler() serverevents.IEventHandler {
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return &greeterEventHandler{}
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}
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