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44 lines
861 B
Go
44 lines
861 B
Go
7 years ago
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package telebot
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import (
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"time"
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"github.com/pkg/errors"
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)
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// Poller is a provider of Updates.
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//
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// All pollers must implement Poll(), which accepts bot
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// pointer and subscription channel and start polling
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// asynchronously straight away.
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type Poller interface {
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// Poll is supposed to take the bot object
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// subscription channel and start polling
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// for Updates immediately.
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Poll(b *Bot, dest chan Update)
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}
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// LongPoller is a classic LongPoller with timeout.
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type LongPoller struct {
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Timeout time.Duration
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}
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// Poll does long polling.
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func (p *LongPoller) Poll(b *Bot, dest chan Update) {
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var latestUpd int
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for {
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updates, err := b.getUpdates(latestUpd+1, p.Timeout)
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if err != nil {
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b.debug(errors.Wrap(err, "getUpdates() failed"))
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continue
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}
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for _, update := range updates {
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latestUpd = update.ID
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dest <- update
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}
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}
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}
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