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112 lines
4.6 KiB
Markdown
112 lines
4.6 KiB
Markdown
# TelegramBotAPI [](https://maven-badges.herokuapp.com/maven-central/dev.inmo/tgbotapi) [](https://core.telegram.org/bots/api-changelog#april-16-2022)
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| [](https://github.com/KotlinBy/awesome-kotlin) [](https://github.com/InsanusMokrassar/TelegramBotAPI/actions) [](https://docs.google.com/forms/d/e/1FAIpQLSctdJHT_aEniyYT0-IUAEfo1hsIlezX2owlkEAYX4KPl2V2_A/viewform?usp=sf_link) [](https://t.me/InMoTelegramBotAPI) |
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| [](https://github.com/InsanusMokrassar/TelegramBotAPI-bot_template/generate) [](https://github.com/InsanusMokrassar/TelegramBotAPI-examples/) [](https://tgbotapi.inmo.dev/index.html) [](https://bookstack.inmo.dev/books/telegrambotapi/chapter/introduction-tutorial) |
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Hello! This is a set of libraries for working with Telegram Bot API.
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## Examples
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There are several things you need to do to launch examples below:
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* Add `mavenCentral()` to your project repositories
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* [Maven variant](https://github.com/InsanusMokrassar/TelegramBotAPI/wiki/Including-in-your-project#pomxml)
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* Add dependency `implementation "dev.inmo:tgbotapi:$tgbotapi_version"`
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* Replace `tgbotapi_version` with exact version (see last one in the table above) or put variable with this name in project
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* Alternative variant for maven [here](https://github.com/InsanusMokrassar/TelegramBotAPI/wiki/Including-in-your-project#telegrambotapi)
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More including instructions [available here](https://github.com/InsanusMokrassar/TelegramBotAPI/wiki/Including-in-your-project).
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Other configuration examples:
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* [For multiplatform](https://github.com/InsanusMokrassar/TelegramBotAPI-examples/tree/master/ResenderBot)
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* [For JVM](https://github.com/InsanusMokrassar/TelegramBotAPI-examples/blob/master/GetMeBot/build.gradle)
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### Most common example
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```kotlin
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suspend fun main() {
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val bot = telegramBot(TOKEN)
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bot.buildBehaviourWithLongPolling {
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println(getMe())
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onCommand("start") {
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reply(it, "Hi:)")
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}
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}.join()
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}
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```
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In this example you will see information about this bot at the moment of starting and answer with `Hi:)` every time it
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gets message `/start`
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### Handling only last messages
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```kotlin
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suspend fun main() {
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val bot = telegramBot(TOKEN)
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val flowsUpdatesFilter = FlowsUpdatesFilter()
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bot.buildBehaviour(flowUpdatesFilter = flowsUpdatesFilter) {
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println(getMe())
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onCommand("start") {
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reply(it, "Hi:)")
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}
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retrieveAccumulatedUpdates(this).join()
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}
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}
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```
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The main difference with the previous example is that bot will get only last updates (accumulated before bot launch
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and maybe some updates it got after launch)
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### Build a little bit more complex behaviour
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```kotlin
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suspend fun main() {
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val bot = telegramBot(TOKEN)
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bot.buildBehaviourWithLongPolling {
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println(getMe())
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val nameReplyMarkup = ReplyKeyboardMarkup(
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matrix {
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row {
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+SimpleKeyboardButton("nope")
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}
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}
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)
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onCommand("start") {
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val photo = waitPhoto(
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SendTextMessage(it.chat.id, "Send me your photo please")
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).first()
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val name = waitText(
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SendTextMessage(
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it.chat.id,
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"Send me your name or choose \"nope\"",
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replyMarkup = nameReplyMarkup
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)
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).first().text.takeIf { it != "nope" }
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sendPhoto(
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it.chat,
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photo.mediaCollection,
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entities = buildEntities {
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if (name != null) regular(name) // may be collapsed up to name ?.let(::regular)
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}
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)
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}
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}.join()
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}
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```
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### More examples
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You may find examples in [this project](https://github.com/InsanusMokrassar/TelegramBotAPI-examples). Besides, you are
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always welcome in our [wiki](https://github.com/InsanusMokrassar/TelegramBotAPI/wiki/About-this-project) and
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[chat](https://t.me/InMoTelegramBotAPIChat).
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