Package org.telegram.telegrambots.abilitybots.api.util

Class AbilityUtils

Object

AbilityUtils

public final class AbilityUtils
extends Object

Helper and utility methods

Field Summary

Fields

Modifier and Type	Field	Description
static User	EMPTY_USER

Method Summary

Modifier and Type	Method	Description
static String	addTag(String username)
static Consumer<MessageContext>	commitTo(DBContext db)	Commits to DB.
static String	escape(String username)
static String	fullName(User user)	The full name is identified as the concatenation of the first and last name, separated by a space.
static Long	getChatId(Update update)	Fetches the direct chat ID of the specified update.
static String	getLocalizedMessage(String messageCode, String languageCode, Object... arguments)
static String	getLocalizedMessage(String messageCode, Locale locale, Object... arguments)
static User	getUser(Update update)	Fetches the user who caused the update.
static boolean	isGroupUpdate(Update update)	A "best-effort" boolean stating whether the update is a group message or not.
static Predicate<Update>	isReplyTo(String msg)
static boolean	isSuperGroupUpdate(Update update)	A "best-effort" boolean stating whether the update is a super-group message or not.
static boolean	isUserMessage(Update update)
static boolean	isValidCommand(String command)	Checks if the passed string is a valid bot command according to the requirements of Telegram Bot API: "A command must always start with the '/' symbol and may not be longer than 32 characters.
static boolean	isValidCommandName(String commandName)	Checks if the passed String is a valid command name.
static String	shortName(User user)	The short name is one of the following: First name Last name Username The method will try to return the first valid name in the specified order.
static String	stripTag(String username)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

EMPTY_USER

public static User EMPTY_USER

Method Details

stripTag

public static String stripTag(String username)

Parameters:

username - any username

Returns:

the username with the preceding "@" stripped off

commitTo

public static Consumer<MessageContext> commitTo(DBContext db)

Commits to DB.

Parameters:

db - the database to commit on

Returns:

a lambda consumer that takes in a MessageContext, used in post actions for abilities

getUser

public static User getUser(Update update)

Fetches the user who caused the update.

Parameters:

update - a Telegram Update

Returns:

the originating user

Throws:

IllegalStateException - if the user could not be found

isGroupUpdate

public static boolean isGroupUpdate(Update update)

A "best-effort" boolean stating whether the update is a group message or not.

Parameters:

update - a Telegram Update

Returns:

whether the update is linked to a group

isSuperGroupUpdate

public static boolean isSuperGroupUpdate(Update update)

A "best-effort" boolean stating whether the update is a super-group message or not.

Parameters:

update - a Telegram Update

Returns:

whether the update is linked to a group

getChatId

public static Long getChatId(Update update)

Fetches the direct chat ID of the specified update.

Parameters:

update - a Telegram Update

Returns:

the originating chat ID

Throws:

IllegalStateException - if the chat ID could not be found

isUserMessage

public static boolean isUserMessage(Update update)

Parameters:

update - a Telegram Update

Returns:

true if the update contains contains a private user message

addTag

public static String addTag(String username)

Parameters:

username - the username to add the tag to

Returns:

the username prefixed with the "@" tag.

isReplyTo

public static Predicate<Update> isReplyTo(String msg)

Parameters:

msg - the message to be replied to

Returns:

a predicate that asserts that the update is a reply to the specified message.

getLocalizedMessage

public static String getLocalizedMessage(String messageCode,
 Locale locale,
 Object... arguments)

getLocalizedMessage

public static String getLocalizedMessage(String messageCode,
 String languageCode,
 Object... arguments)

shortName

public static String shortName(User user)

The short name is one of the following:

1. First name
2. Last name
3. Username

The method will try to return the first valid name in the specified order.

Returns:

the short name of the user

fullName

public static String fullName(User user)

The full name is identified as the concatenation of the first and last name, separated by a space. This method can return an empty name if both first and last name are empty.

Parameters:

user - User to use

Returns:

the full name of the user

escape

public static String escape(String username)

isValidCommand

public static boolean isValidCommand(String command)

Checks if the passed string is a valid bot command according to the requirements of Telegram Bot API: "A command must always start with the '/' symbol and may not be longer than 32 characters. Commands can use latin letters, numbers and underscores." (https://core.telegram.org/bots#commands)

Parameters:

command - String representation of a command to be checked for validity

Returns:

whether the command is valid

isValidCommandName

public static boolean isValidCommandName(String commandName)

Checks if the passed String is a valid command name. Command name is text of a command without leading '/'

Parameters:

commandName - the command name to be checked for validity

Returns:

whether the command name is valid