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Stored size: 1.61 KB
Contents
# frozen_string_literal: true
module Telegram
module Bot
class UpdatesController
# Support for parsing commands
module Commands
CMD_REGEX = %r{\A/([a-z\d_]{,31})(@(\S+))?(\s|$)}i.freeze
class << self
# Fetches command from text message. All subsequent words are returned
# as arguments.
# If command has mention (eg. `/test@SomeBot`), it returns commands only
# for specified username. Set `username` to `true` to accept
# any commands.
def command_from_text(text, username = nil)
return unless text
match = text.match(CMD_REGEX)
return unless match
mention = match[3]
[match[1], text.split.drop(1)] if username == true || !mention || mention == username
end
end
# Override it to filter or transform commands.
# Default implementation is to downcase and add `!` suffix.
def action_for_command(cmd)
"#{cmd.downcase}!"
end
# If payload is a message with command, then returned action is an
# action for this command.
# Separate method, so it can be easily overriden (ex. MessageContext).
#
# This is not used for edited messages/posts. It process them as basic updates.
def action_for_message
cmd, args = Commands.command_from_text(payload['text'], bot_username)
return unless cmd
[[action_for_command(cmd), {type: :command, command: cmd}], args]
end
alias_method :action_for_channel_post, :action_for_message
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems