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<?php |
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declare(strict_types=1); |
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namespace Chemaclass\StockTicker\Infrastructure\Command; |
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use Chemaclass\StockTicker\Domain\Notifier\Channel\Email\EmailChannel; |
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use Chemaclass\StockTicker\Domain\Notifier\Channel\Fake\FakeChannel; |
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use Chemaclass\StockTicker\Domain\Notifier\Channel\Slack\SlackChannel; |
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use Chemaclass\StockTicker\Domain\Notifier\NotifierPolicy; |
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use Chemaclass\StockTicker\Domain\Notifier\NotifyResult; |
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use Chemaclass\StockTicker\Domain\Notifier\Policy\Condition\RecentNewsWasFound; |
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use Chemaclass\StockTicker\Domain\Notifier\Policy\PolicyGroup; |
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use Chemaclass\StockTicker\Infrastructure\Command\ReadModel\NotifyCommandInput; |
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use Chemaclass\StockTicker\StockTickerConfig; |
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use Chemaclass\StockTicker\StockTickerFacade; |
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use Chemaclass\StockTicker\StockTickerFactory; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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final class NotifyCommand extends Command |
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{ |
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private const DEFAULT_MAX_NEWS_TO_FETCH = 3; |
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private const DEFAULT_MAX_REPETITIONS = PHP_INT_MAX; |
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private const DEFAULT_SLEEPING_TIME_IN_SECONDS = 60; |
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private const DEFAULT_CHANNEL = 'email'; |
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private const MAP_POSSIBLE_CHANNELS = [ |
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'email' => EmailChannel::class, |
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'slack' => SlackChannel::class, |
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'fake' => FakeChannel::class, |
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]; |
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/** |
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* @psalm-suppress PropertyNotSetInConstructor |
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*/ |
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private OutputInterface $output; |
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protected function configure(): void |
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{ |
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$this |
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->setName('notify') |
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->setDescription('It notifies based on conditions applied to the crawled result') |
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->addArgument( |
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'symbols', |
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InputArgument::IS_ARRAY|InputArgument::REQUIRED, |
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'Which stock symbols do you want to crawl?' |
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) |
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->addOption( |
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'channels', |
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'c', |
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InputArgument::OPTIONAL, |
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'Channels to notify separated by comma [email,slack]', |
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self::DEFAULT_CHANNEL |
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) |
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->addOption( |
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'maxNews', |
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'm', |
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InputArgument::OPTIONAL, |
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'Max number of news to fetch per Quote', |
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self::DEFAULT_MAX_NEWS_TO_FETCH |
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) |
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->addOption( |
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'maxRepetitions', |
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'r', |
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InputArgument::OPTIONAL, |
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'Max number repetitions for the loop', |
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self::DEFAULT_MAX_REPETITIONS |
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) |
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->addOption( |
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'sleepingTime', |
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's', |
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InputArgument::OPTIONAL, |
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'Sleeping time in seconds', |
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self::DEFAULT_SLEEPING_TIME_IN_SECONDS |
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); |
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} |
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protected function execute(InputInterface $input, OutputInterface $output): int |
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{ |
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$this->output = $output; |
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$commandInput = NotifyCommandInput::createFromInput($input); |
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$channelNames = $this->mapChannelNames($commandInput->getChannelsAsString()); |
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$policy = $this->createPolicyForSymbols($commandInput->getSymbols()); |
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$facade = $this->createStockTickerFacade(); |
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for ($i = 0; $i < $commandInput->getMaxRepetitions(); $i++) { |
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$this->printStartingIteration($commandInput, $i); |
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$notifyResult = $facade->sendNotifications( |
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$channelNames, |
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$policy, |
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$commandInput->getMaxNews() |
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); |
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$this->printNotifyResult($notifyResult); |
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$this->sleepWithPrompt($commandInput->getSleepingTime()); |
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} |
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$output->writeln('Already reached the max repetition limit of ' . $commandInput->getMaxRepetitions()); |
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return Command::SUCCESS; |
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} |
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private function mapChannelNames(string $channelsAsString): array |
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{ |
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return array_filter(array_map( |
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static fn (string $c): string => self::MAP_POSSIBLE_CHANNELS[$c] ?? '', |
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explode(',', $channelsAsString) |
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)); |
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} |
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/** |
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* Create the same policy group for all symbols. |
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* |
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* @param string[] $symbols |
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*/ |
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private function createPolicyForSymbols(array $symbols): NotifierPolicy |
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{ |
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$conditions = array_fill_keys($symbols, new PolicyGroup([ |
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'Recent news was found' => new RecentNewsWasFound(), |
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])); |
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return new NotifierPolicy($conditions); |
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} |
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private function createStockTickerFacade(): StockTickerFacade |
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{ |
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return new StockTickerFacade( |
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new StockTickerFactory( |
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new StockTickerConfig( |
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dirname(__DIR__) . '/../Presentation/notification', |
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$_ENV |
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) |
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), |
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); |
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} |
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private function printStartingIteration(NotifyCommandInput $commandInput, int $actualIteration): void |
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{ |
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$this->output->writeln(sprintf('Looking for news in %s ...', implode(', ', $commandInput->getSymbols()))); |
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$this->output->writeln(sprintf('Completed %d of %d', $actualIteration, $commandInput->getMaxRepetitions())); |
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} |
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private function printNotifyResult(NotifyResult $notifyResult): void |
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{ |
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if ($notifyResult->isEmpty()) { |
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$this->output->writeln(' ~~~~ Nothing new here ~~~~'); |
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return; |
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} |
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$this->output->writeln('==========================='); |
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$this->output->writeln('====== Notify result ======'); |
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$this->output->writeln('==========================='); |
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foreach ($notifyResult->conditionNamesGroupBySymbol() as $symbol => $conditionNames) { |
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$quote = $notifyResult->quoteBySymbol($symbol); |
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$companyName = (null !== $quote->getCompanyName()) |
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? $quote->getCompanyName()->getLongName() ?? '' |
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: ''; |
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$symbol = $quote->getSymbol() ?? ''; |
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$this->output->writeln(sprintf('%s (%s)', $companyName, $symbol)); |
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foreach ($conditionNames as $conditionName) { |
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$this->output->writeln(" - $conditionName"); |
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} |
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$this->output->writeln(''); |
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} |
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$this->output->writeln(''); |
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} |
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private function sleepWithPrompt(int $sec): void |
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{ |
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$this->output->writeln("Sleeping {$sec} seconds..."); |
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$len = mb_strlen((string) $sec); |
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for ($i = $sec; $i > 0; $i--) { |
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$this->output->write(sprintf("%0{$len}d\r", $i)); |
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sleep(1); |
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} |
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$this->output->writeln('Awake again!'); |
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} |
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} |
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Chemaclass /
stock-ticker
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