module Telegram module Bot class Api # rubocop:disable ClassLength ENDPOINTS = %w[ getUpdates setWebhook deleteWebhook getWebhookInfo getMe sendMessage forwardMessage sendPhoto sendAudio sendDocument sendVideo sendVoice sendVideoNote sendMediaGroup sendLocation editMessageLiveLocation stopMessageLiveLocation sendVenue sendContact sendChatAction getUserProfilePhotos getFile kickChatMember unbanChatMember restrictChatMember promoteChatMember leaveChat getChat getChatAdministrators exportChatInviteLink setChatPhoto deleteChatPhoto setChatTitle setChatDescription pinChatMessage unpinChatMessage getChatMembersCount getChatMember setChatStickerSet deleteChatStickerSet answerCallbackQuery editMessageText editMessageCaption editMessageReplyMarkup deleteMessage sendSticker getStickerSet uploadStickerFile createNewStickerSet addStickerToSet setStickerPositionInSet deleteStickerFromSet answerInlineQuery sendInvoice answerShippingQuery answerPreCheckoutQuery sendGame setGameScore getGameHighScores setPassportDataErrors editMessageMedia sendAnimation sendPoll stopPoll setChatPermissions setChatAdministratorCustomTitle sendDice getMyCommands setMyCommands setStickerSetThumb logOut close copyMessage createChatInviteLink editChatInviteLink revokeChatInviteLink ].freeze REPLY_MARKUP_TYPES = [ Telegram::Bot::Types::ReplyKeyboardMarkup, Telegram::Bot::Types::ReplyKeyboardRemove, Telegram::Bot::Types::ForceReply, Telegram::Bot::Types::InlineKeyboardMarkup ].freeze INLINE_QUERY_RESULT_TYPES = [ Telegram::Bot::Types::InlineQueryResultArticle, Telegram::Bot::Types::InlineQueryResultPhoto, Telegram::Bot::Types::InlineQueryResultGif, Telegram::Bot::Types::InlineQueryResultMpeg4Gif, Telegram::Bot::Types::InlineQueryResultVideo, Telegram::Bot::Types::InlineQueryResultAudio, Telegram::Bot::Types::InlineQueryResultVoice, Telegram::Bot::Types::InlineQueryResultDocument, Telegram::Bot::Types::InlineQueryResultLocation, Telegram::Bot::Types::InlineQueryResultVenue, Telegram::Bot::Types::InlineQueryResultContact, Telegram::Bot::Types::InlineQueryResultGame, Telegram::Bot::Types::InlineQueryResultCachedPhoto, Telegram::Bot::Types::InlineQueryResultCachedGif, Telegram::Bot::Types::InlineQueryResultCachedMpeg4Gif, Telegram::Bot::Types::InlineQueryResultCachedSticker, Telegram::Bot::Types::InlineQueryResultCachedDocument, Telegram::Bot::Types::InlineQueryResultCachedVideo, Telegram::Bot::Types::InlineQueryResultCachedVoice, Telegram::Bot::Types::InlineQueryResultCachedAudio ].freeze attr_reader :token, :url def initialize(token, url: 'https://api.telegram.org') @token = token @url = url end def method_missing(method_name, *args, &block) endpoint = method_name.to_s endpoint = camelize(endpoint) if endpoint.include?('_') ENDPOINTS.include?(endpoint) ? call(endpoint, *args) : super end def respond_to_missing?(*args) method_name = args[0].to_s method_name = camelize(method_name) if method_name.include?('_') ENDPOINTS.include?(method_name) || super end def call(endpoint, raw_params = {}) params = build_params(raw_params) response = conn.post("/bot#{token}/#{endpoint}", params) if response.status == 200 JSON.parse(response.body) else raise Exceptions::ResponseError.new(response), 'Telegram API has returned the error.' end end private def build_params(h) h.each_with_object({}) do |(key, value), params| params[key] = sanitize_value(value) end end def sanitize_value(value) jsonify_inline_query_results(jsonify_reply_markup(value)) end def jsonify_reply_markup(value) return value unless REPLY_MARKUP_TYPES.any? { |type| value.is_a?(type) } value.to_compact_hash.to_json end def jsonify_inline_query_results(value) return value unless value.is_a?(Array) && value.all? { |i| INLINE_QUERY_RESULT_TYPES.any? { |t| i.is_a?(t) } } value.map { |i| i.to_compact_hash.select { |_, v| v } }.to_json end def camelize(method_name) words = method_name.split('_') words.drop(1).map(&:capitalize!) words.join end def conn @conn ||= Faraday.new(url: url) do |faraday| faraday.request :multipart faraday.request :url_encoded faraday.adapter Telegram::Bot.configuration.adapter end end end end end