feature: Added command to generaate mermaid graphs

Author: oliverde8

Command/GetDefinitionGraphCommand.php

@@ -0,0 +1,64 @@
+<?php
+declare(strict_types=1);
+
+namespace Oliverde8\PhpEtlBundle\Command;
+
+use Oliverde8\Component\PhpEtl\Output\MermaidStaticOutput;
+use Oliverde8\PhpEtlBundle\Services\ChainProcessorsManager;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Yaml\Yaml;
+
+class GetDefinitionGraphCommand extends Command
+{
+    const OPTION_GETURL = 'get-url';
+
+    protected ChainProcessorsManager $chainProcessorsManager;
+
+    /**
+     * ExecuteCommand constructor.
+     * @param ChainProcessorsManager $chainProcessorsManager
+     */
+    public function __construct(ChainProcessorsManager $chainProcessorsManager)
+    {
+        parent::__construct();
+        $this->chainProcessorsManager = $chainProcessorsManager;
+    }
+
+
+    protected function configure()
+    {
+        $this->setName("etl:definition:graph");
+        $this->addArgument("name", InputArgument::REQUIRED);
+        $this->addOption(self::OPTION_GETURL, 'u', InputOption::VALUE_NONE);
+    }
+
+    /**
+     * @throws \Oliverde8\Component\PhpEtl\Exception\ChainOperationException
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $sfs = new SymfonyStyle($input, $output);
+
+        $chainName = $input->getArgument("name");
+        $processor = $this->chainProcessorsManager->getProcessor($chainName, []);
+
+        $mermaidOutput = new MermaidStaticOutput();
+
+        if ($input->getOption(self::OPTION_GETURL)) {
+            $graph = $mermaidOutput->generateUrl($processor);
+            $sfs->title("Mermaid Graph Url");
+            $output->writeln($graph);
+        } else {
+            $graph = $mermaidOutput->generateGrapText($processor);
+            $sfs->title("Mermaid graph");
+            $output->writeln($graph);
+        }
+
+        return 0;
+    }
+}