63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package middleware
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import (
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"errors"
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tele "git.belvedersky.ru/common/telebot"
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)
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// AutoRespond returns a middleware that automatically responds
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// to every callback.
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func AutoRespond() tele.MiddlewareFunc {
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return func(next tele.HandlerFunc) tele.HandlerFunc {
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return func(c tele.Context) error {
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if c.Callback() != nil {
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defer c.Respond()
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}
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return next(c)
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}
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}
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}
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// IgnoreVia returns a middleware that ignores all the
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// "sent via" messages.
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func IgnoreVia() tele.MiddlewareFunc {
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return func(next tele.HandlerFunc) tele.HandlerFunc {
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return func(c tele.Context) error {
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if msg := c.Message(); msg != nil && msg.Via != nil {
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return nil
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}
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return next(c)
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}
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}
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}
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// Recover returns a middleware that recovers a panic happened in
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// the handler.
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func Recover(onError ...func(error)) tele.MiddlewareFunc {
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return func(next tele.HandlerFunc) tele.HandlerFunc {
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return func(c tele.Context) error {
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var f func(error)
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if len(onError) > 0 {
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f = onError[0]
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} else {
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f = func(err error) {
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c.Bot().OnError(err, nil)
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}
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}
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defer func() {
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if r := recover(); r != nil {
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if err, ok := r.(error); ok {
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f(err)
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} else if s, ok := r.(string); ok {
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f(errors.New(s))
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}
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}
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}()
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return next(c)
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}
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}
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}
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