fixes

mirzaev/parser_from_interneturok/system/models/interneturok.php

@@ -900,16 +900,21 @@ final class interneturok extends core
 	 */
 	public static function amount(): int
 	{
-		// Opening the interneturok accounts file
-		$file = new spl(INTERNETUROK_ACCOUNTS_FILE, 'r');
+		try {
+			// Opening the interneturok accounts file
+			$file = new spl(INTERNETUROK_ACCOUNTS_FILE, 'r');
 
-		// Move the cursor to the last row
-		$file->seek(PHP_INT_MAX);
+			// Move the cursor to the last row
+			$file->seek(PHP_INT_MAX);
 
-		// Initializing number of the last row
-		$rows = $file->key();
+			// Initializing number of the last row
+			$rows = $file->key();
 
-		// Exit (success)
-		return $rows;
+			// Exit (success)
+			return $rows;
+		}	catch (exception $exception) {
+			// Exit (fail)
+			return 0;
+		}
 	}
 }

mirzaev/parser_from_interneturok/system/models/telegram/parser.php

@@ -17,6 +17,9 @@ use Zanzara\Context as context,
 // Framework for asynchronous PHP
 use function React\Async\await;
 
+// Built-in libraries
+use Exception as exception;
+
 /**
  * Telegram shcool subjects parser
  *
@@ -205,26 +208,38 @@ final class parser extends core
 					// Initializing the parser
 					$parser = new interneturok();
 
-					// Parsing homework files
-					$files = $parser->parse(subject: $subject, grade: $grade, waiting: 3);
+					try {
 
-					if (!empty($files)) {
-						// Initialized homework files
+						// Parsing homework files
+						$files = $parser->parse(subject: $subject, grade: $grade, waiting: 3);
 
-						foreach ($files as $file) {
-							// Iterating over files in the storage
+						if (!empty($files)) {
+							// Initialized homework files
 
-							// Sending the file
-							await($context->sendDocument(new file_input($file)));
+							foreach ($files as $file) {
+								// Iterating over files in the storage
+
+								// Sending the file
+								await($context->sendDocument(new file_input($file)));
+							}
+
+							// Deleting in the telegram user buffer
+							$context->deleteUserDataItem(static::PROCESS);
+						} else {
+							// Not initialized homework files
+
+							// Sending the message
+							$context->sendMessage('❌ *Не найдены домашние задания')
+								->then(function (message $message) use ($context) {
+									// Sended the message
+
+									// Sending the menu with subjects
+									commands::menu($context);
+								});
 						}
-
-						// Deleting in the telegram user buffer
-						$context->deleteUserDataItem(static::PROCESS);
-					} else {
-						// Not initialized homework files
-
+					} catch (exception $exception) {
 						// Sending the message
-						$context->sendMessage('❌ *Не найдены домашние задания')
+						$context->sendMessage('⚠️  *Произошла ошибка при обработке домашних заданий')
 							->then(function (message $message) use ($context) {
 								// Sended the message