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The fork of a wrapper for the Telegram Bot API written in Swift. This fork was created to add example implementations for different frameworks, like Vapor, Hummingbird, Smoke and FlyingFox.

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Swift Telegram Sdk for Telegram Bot Api (SDK for creating Telegram Bots in Swift)

Please, support with ⭐️

🤖 The wrapper for the Telegram Bot API written in Swift. It's not a framework. There is no special syntax here. This is a library that implements all Telegram Bot API methods, which is available to you to work with Vapor, Smoke, FlyingFox.

Swift Server Side Community

Swift Server Side Community - Ukraine / Russian / CIS Telegram Chat

Usage

  • Clone one of examples
    git clone https://github.com/nerzh/swift-telegram-sdk/tree/master/Examples/Vapor-Telegram-Bot
  • Add your telegram bot id to configure.swift
    let tgApi: String = "XXXXXXXXXX:YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"
  • Run in Xcode or build and run binary file
  • check commands in your telegram bots
    • /ping
    • /show_buttons

Examples

Advanced Example Usage

You should to implement TGClientPrtcl protocol

To configure and run a bot with or without any framework, you need to implement a simple TGClient protocol to send requests to the network with Content-Type: multipart/form-data. You can see an example here: VaporTGClient

import Logging

public protocol TGClientPrtcl {
    
    var log: Logger { get set }
    
    @discardableResult
    func post<Params: Encodable, Response: Decodable>(_ url: URL, params: Params?, as mediaType: HTTPMediaType?) async throws -> Response
    
    @discardableResult
    func post<Response: Decodable>(_ url: URL) async throws -> Response
}

Bot configuration.

Define bot ID

let tgApi: String = "XXXXXXXXXX:YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY"

Define connection type

LongPolling
var connectionType: TGConnectionType = .longpolling(limit: nil,
                                                    timeout: nil,
                                                    allowedUpdates: nil)
WebHook
var connectionType: TGConnectionType = .webhook(webHookURL: URL(string: "\(TG_WEBHOOK_DOMAIN!)/\(TGWebHookRouteName)")!)

Start bot with added handlers

let bot: TGBot = try await .init(connectionType: connectionType,
                                 dispatcher: nil,
                                 tgClient: VaporTGClient(client: app.client),
                                 tgURI: TGBot.standardTGURL,
                                 botId: botId,
                                 log: app.logger)
try await DefaultBotHandlers.addHandlers(bot: bot)
try await botActor.bot.start()

DefaultBotHandlers code example

import SwiftTelegramSdk

final class DefaultBotHandlers {

    static func addHandlers(bot: TGBot) async {
        await defaultBaseHandler(bot: bot)
        await messageHandler(bot: bot)
        await commandPingHandler(bot: bot)
        await commandShowButtonsHandler(bot: bot)
        await buttonsActionHandler(bot: bot)
    }
    
    private static func defaultBaseHandler(bot: TGBot) async {
        await bot.dispatcher.add(TGBaseHandler({ update in
            guard let message = update.message else { return }
            let params: TGSendMessageParams = .init(chatId: .chat(message.chat.id), text: "TGBaseHandler")
            try await bot.sendMessage(params: params)
        }))
    }

    private static func messageHandler(bot: TGBot) async {
        await bot.dispatcher.add(TGMessageHandler(filters: (.all && !.command.names(["/ping", "/show_buttons"]))) { update in
            let params: TGSendMessageParams = .init(chatId: .chat(update.message!.chat.id), text: "Success")
            try await bot.sendMessage(params: params)
        })
    }

    private static func commandPingHandler(bot: TGBot) async {
        await bot.dispatcher.add(TGCommandHandler(commands: ["/ping"]) { update in
            try await update.message?.reply(text: "pong", bot: bot)
        })
    }

    private static func commandShowButtonsHandler(bot: TGBot) async {
        await bot.dispatcher.add(TGCommandHandler(commands: ["/show_buttons"]) { update in
            guard let userId = update.message?.from?.id else { fatalError("user id not found") }
            let buttons: [[TGInlineKeyboardButton]] = [
                [.init(text: "Button 1", callbackData: "press 1"), .init(text: "Button 2", callbackData: "press 2")]
            ]
            let keyboard: TGInlineKeyboardMarkup = .init(inlineKeyboard: buttons)
            let params: TGSendMessageParams = .init(chatId: .chat(userId),
                                                    text: "Keyboard active",
                                                    replyMarkup: .inlineKeyboardMarkup(keyboard))
            try await bot.sendMessage(params: params)
        })
    }

    private static func buttonsActionHandler(bot: TGBot) async {
        await bot.dispatcher.add(TGCallbackQueryHandler(pattern: "press 1") { update in
            TGBot.log.info("press 1")
            guard let userId = update.callbackQuery?.from.id else { fatalError("user id not found") }
            let params: TGAnswerCallbackQueryParams = .init(callbackQueryId: update.callbackQuery?.id ?? "0",
                                                            text: update.callbackQuery?.data  ?? "data not exist",
                                                            showAlert: nil,
                                                            url: nil,
                                                            cacheTime: nil)
            try await bot.answerCallbackQuery(params: params)
            try await bot.sendMessage(params: .init(chatId: .chat(userId), text: "press 1"))
        })
        
        await bot.dispatcher.add(TGCallbackQueryHandler(pattern: "press 2") { update in
            TGBot.log.info("press 2")
            guard let userId = update.callbackQuery?.from.id else { fatalError("user id not found") }
            let params: TGAnswerCallbackQueryParams = .init(callbackQueryId: update.callbackQuery?.id ?? "0",
                                                            text: update.callbackQuery?.data  ?? "data not exist",
                                                            showAlert: nil,
                                                            url: nil,
                                                            cacheTime: nil)
            try await bot.answerCallbackQuery(params: params)
            try await bot.sendMessage(params: .init(chatId: .chat(userId), text: "press 2"))
        })
    }
}

Add to your Vapor project with Swift Package Manager

add to yor Package.json

// swift-tools-version:5.8

import PackageDescription

var packageDependencies: [Package.Dependency] = [
    .package(url: "https://github.com/vapor/vapor.git", .upToNextMajor(from: "4.57.0")),
]

packageDependencies.append(.package(url: "https://github.com/nerzh/swift-telegram-sdk", .upToNextMajor(from: "3.0.0")))


let package = Package(
    name: "Telegram-bot-example",
    platforms: [
        .macOS(.v12)
    ],
    dependencies: packageDependencies,
    targets: [
        .executableTarget(
            name: "Telegram-bot-example",
            dependencies: [
                .product(name: "Vapor", package: "vapor"),
                .product(name: "SwiftTelegramSdk", package: "swift-telegram-sdk"),
            ]
        )
    ]
)

Acknowledgments

Inspired by Telegrammer

About

The fork of a wrapper for the Telegram Bot API written in Swift. This fork was created to add example implementations for different frameworks, like Vapor, Hummingbird, Smoke and FlyingFox.

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