netkorp /
spring-boot-telegram-framework
| 1 | package com.github.netkorp.telegram.framework.bots; |
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Code Smell
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| 3 | import com.github.netkorp.telegram.framework.commands.interfaces.Command; |
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| 4 | import com.github.netkorp.telegram.framework.commands.interfaces.MultistageCommand; |
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| 34 | * It has the responsibility to execute the proper command when an incoming message is received. |
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| 35 | */ |
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| 36 | @Component |
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| 37 | public class PollingTelegramBot extends TelegramLongPollingBot { |
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| 38 | |||
| 39 | private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
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| 40 | |||
| 41 | /** |
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| 42 | * The bot's username. |
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| 71 | public PollingTelegramBot(@Value("${telegram.bots.username}") String botUsername, |
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| 72 | @Value("${telegram.bots.token}") String botToken, |
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| 73 | SecurityManager securityManager, |
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| 74 | @Lazy CommandManager commandManager) { |
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| 75 | this.botUsername = botUsername; |
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| 76 | this.botToken = botToken; |
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| 77 | this.securityManager = securityManager; |
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| 78 | this.commandManager = commandManager; |
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| 84 | * @param update Update received. |
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| 85 | */ |
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| 86 | @Override |
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| 87 | public void onUpdateReceived(Update update) { |
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| 88 | // We check if the update has a message and the message has text |
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| 89 | if (update.hasMessage()) { |
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| 90 | Long chatId = update.getMessage().getChatId(); |
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| 91 | |||
| 92 | if (commandManager.hasActiveCommand(chatId)) { |
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| 93 | if (!update.getMessage().isCommand() |
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| 94 | || !reservedCommands(getCleanedCommand(update), update)) { |
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| 95 | try { |
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| 96 | commandManager.getActiveCommand(chatId).execute(update); |
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| 97 | } catch (CommandNotActive commandNotActive) { |
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| 98 | // Do nothing. This point is impossible to reach. |
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| 99 | } |
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| 100 | } |
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| 103 | } |
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| 104 | |||
| 105 | // Checking if this is a command |
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| 106 | if (update.getMessage().isCommand()) { |
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| 107 | try { |
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| 108 | Map.Entry<String, String[]> commandAndArgs = getCleanedCommandAndArgs(update); |
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| 109 | Command command = commandManager.getCommand(commandAndArgs.getKey()); |
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| 110 | |||
| 111 | if (!securityManager.isAuthorized(chatId, command)) { |
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| 112 | throw new UserNotAuthorized(); |
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| 113 | } |
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| 114 | |||
| 115 | if (command instanceof MultistageCommand && ((MultistageCommand) command).init(update)) { |
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| 116 | commandManager.setActiveCommand(chatId, ((MultistageCommand) command)); |
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| 117 | } else if (command instanceof SimpleCommand) { |
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| 118 | if (commandAndArgs.getValue().length == 0) { |
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| 119 | ((SimpleCommand) command).execute(update); |
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| 120 | } else { |
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| 121 | ((SimpleCommand) command).execute(update, commandAndArgs.getValue()); |
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| 122 | } |
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| 123 | } |
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| 124 | } catch (CommandNotFound commandNotFound) { |
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| 125 | sendMessage(commandNotFound.getMessage(), chatId); |
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| 126 | commandManager.getHelpCommand() |
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| 127 | .filter(command -> securityManager.isAuthorized(chatId, command)) |
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| 128 | .ifPresent(command -> command.execute(update)); |
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| 129 | } catch (UserNotAuthorized userNotAuthorized) { |
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| 130 | sendMessage(userNotAuthorized.getMessage(), chatId); |
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| 131 | } |
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| 132 | } else { |
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| 133 | sendMessage("That is not a command", chatId); |
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| 134 | } |
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| 135 | } |
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| 136 | } |
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| 141 | * @param update the received update. |
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| 142 | * @return the command and the parameters. |
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| 143 | */ |
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| 144 | private Map.Entry<String, String[]> getCleanedCommandAndArgs(Update update) { |
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| 145 | String cleanedCommand = getCleanedCommand(update); |
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| 146 | |||
| 147 | String[] dividedText = cleanedCommand.split(" "); |
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| 148 | |||
| 156 | * @param update the received update. |
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| 157 | * @return the command. |
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| 158 | */ |
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| 159 | private String getCleanedCommand(Update update) { |
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| 160 | return update.getMessage().getText().toLowerCase() |
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| 161 | .replace(String.format("@%s", getBotUsername().toLowerCase()), ""); |
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| 162 | } |
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| 163 | |||
| 164 | /** |
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| 167 | * @return the bot's username. |
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| 168 | */ |
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| 169 | @Override |
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| 170 | public String getBotUsername() { |
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| 171 | return botUsername; |
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| 172 | } |
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| 173 | |||
| 174 | /** |
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| 177 | * @return the bot's token. |
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| 178 | */ |
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| 179 | @Override |
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| 180 | public String getBotToken() { |
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| 181 | return botToken; |
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| 182 | } |
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| 183 | |||
| 184 | /** |
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| 189 | * @param update the message sent by the user. |
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| 190 | * @return {@code true} if some reserved command was executed; {@code false} otherwise. |
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| 191 | */ |
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| 192 | private boolean reservedCommands(String commandText, Update update) { |
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| 193 | Optional<MultistageCloseCommand> closeCommand = commandManager.getCloseCommand() |
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| 194 | .filter(command -> CommandManager.getCommandFullNames(command).get(0).equals(commandText)); |
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| 195 | |||
| 196 | if (closeCommand.isPresent()) { |
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| 197 | closeCommand.get().execute(update); |
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| 198 | return true; |
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| 199 | } |
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| 200 | |||
| 201 | Optional<MultistageDoneCommand> doneCommand = commandManager.getDoneCommand() |
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| 202 | .filter(command -> CommandManager.getCommandFullNames(command).get(0).equals(commandText)); |
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| 203 | |||
| 204 | if (doneCommand.isPresent()) { |
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| 205 | doneCommand.get().execute(update); |
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| 206 | return true; |
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| 207 | } |
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| 208 | |||
| 216 | * @param content the message content. |
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| 217 | * @param idChat the chat identification to which the message should be sent. |
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| 218 | */ |
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| 219 | public void sendMessage(String content, Long idChat) { |
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| 220 | sendMessage(content, idChat, false); |
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| 221 | } |
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| 222 | |||
| 223 | /** |
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| 227 | * @param idChat the chat identification to which the message should be sent. |
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| 228 | * @param html {@code true} if HTML format is enabled or {@code false} otherwise. |
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| 229 | */ |
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| 230 | public void sendMessage(String content, Long idChat, boolean html) { |
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| 231 | SendMessage message = new SendMessage() // Create a SendMessage object with mandatory fields |
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| 232 | .setChatId(idChat).setText(content).enableHtml(html); |
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| 233 | |||
| 234 | try { |
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| 235 | this.execute(message); // Call method to send the message |
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| 236 | } catch (TelegramApiException e) { |
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| 237 | LOG.error(e.getMessage(), e); |
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| 238 | } |
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| 239 | } |
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| 240 | } |
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| 241 |
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