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tiennm99
cf620a257e
Correct comments that described the retired webhook transport, a removed /cron route, the old KV store and wrapper types, and behaviour that has since changed; drop plan and review labels; reword two startup log lines that overstated or misnamed what they report.
42 lines
1.9 KiB
Go
42 lines
1.9 KiB
Go
// Package telegram constructs the go-telegram bot client used for long
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// polling and holds the few raw Bot API calls the library does not make
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// reliably (see DeleteWebhook).
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package telegram
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import (
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"github.com/go-telegram/bot"
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)
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// pollingAllowedUpdates restricts getUpdates to the update kinds the modules
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// actually handle: text commands, inline-keyboard callbacks, and inline-mode
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// queries. Anything else (channel posts, edited messages, etc.) is dropped
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// server-side by Telegram.
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//
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// This list is a hard gate, not an optimisation. Telegram filters on its side,
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// so a handler for a kind missing here is never called and leaves no trace —
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// no log line, no error, nothing to debug from. Any module that starts handling
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// a new update kind must add it here in the same change.
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var pollingAllowedUpdates = bot.AllowedUpdates{"message", "callback_query", "inline_query"}
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// NewBot constructs a Telegram bot for long-polling mode (the sole transport
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// on self-host — b.Start runs the getUpdates loop in cmd/server):
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//
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// - WithSkipGetMe: avoid a blocking GetMe call at startup. Token validity
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// surfaces on the first outgoing API call instead.
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// - WithNotAsyncHandlers: handlers run synchronously on the library's single
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// update worker instead of one goroutine per update. That bounds in-flight
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// work to one update at a time, which suits the single-replica polling
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// deployment; the cost is that a slow handler delays every update queued
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// behind it.
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// - WithAllowedUpdates: only request the update kinds the bot handles.
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//
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// Callers may pass extra options that override these defaults.
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func NewBot(token string, opts ...bot.Option) (*bot.Bot, error) {
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defaults := []bot.Option{
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bot.WithSkipGetMe(),
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bot.WithNotAsyncHandlers(),
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bot.WithAllowedUpdates(pollingAllowedUpdates),
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}
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return bot.New(token, append(defaults, opts...)...)
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}
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