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<?php |
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namespace Chrl\AppBundle\Command; |
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use Chrl\AppBundle\Entity\Game; |
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use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand; |
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use Symfony\Component\Console\Input\InputDefinition; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Input\InputInterface; |
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class DeployCommand extends ContainerAwareCommand |
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{ |
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// This is just a normal Command::configure() method |
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protected function configure() |
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{ |
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$this->setName('buktopuha:deploy') |
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->setDescription('Tell all active games about deploy') |
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->setDefinition( |
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new InputDefinition( |
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[ |
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new InputOption('success') |
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] |
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) |
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); |
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} |
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// Execute will be called in a endless loop |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$output->writeln('Executing...'); |
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$gs = $this->getContainer()->get('app.gameservice'); |
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$tgApi = $this->getContainer()->get('buktopuha.telegram_bot_api'); |
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$games = $gs->getActiveGames(); |
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if (false == $input->getOption('success')) { |
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if (file_exists('var/logs/deploy.version')) { |
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$version = file_get_contents('var/logs/deploy.version'); |
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} else { |
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$version = 0; |
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file_put_contents('var/logs/deploy.version', $version); |
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} |
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$version++; |
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file_put_contents('var/logs/deploy.version', $version); |
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} |
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/** @var Game $game */ |
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foreach ($games as $game) { |
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if ($input->getOption('success')) { |
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$tgApi->sendMessage( |
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$game->chatId, |
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'Bot is back online (updated to build '.$version.')! The game continues...' |
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); |
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} else { |
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$tgApi->sendMessage( |
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$game->chatId, |
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'Bot rebooting due to deploy (build '.$version |
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.'), sorry. The game will continue once bot boots again.' |
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); |
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} |
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} |
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} |
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} |
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chrl /
buktopuha
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: