Improved CLI command interaction

Author: Geolim4

Command/phpFastCacheCommand.php

@@ -1,6 +1,8 @@
 <?php
 namespace phpFastCache\Bundle\Command;
 
+use phpFastCache\Cache\ExtendedCacheItemPoolInterface;
+use phpFastCache\Exceptions\phpFastCacheDriverCheckException;
 use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -23,22 +25,55 @@ protected function configure()
     }
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        $failedInstances = [];
         $io = new SymfonyStyle($input, $output);
 
         $phpFastCache = $this->getContainer()->get('phpfastcache');
         $driver = $input->getArgument('driver');
-        if($driver) {
-            $phpFastCache->get($driver)->clear();
-            $io->success("Cache {$driver} cleared");
-        } else {
-            $caches = $this->getContainer()->getParameter('phpfastcache');
-            foreach($caches['drivers'] as $name => $parameters) {
+
+        $output->writeln("<bg=yellow;fg=red>Clearing cache operation can take a while, please be patient...</>");
+
+        $callback = function($name) use ($phpFastCache, $output, &$failedInstances)
+        {
+            try{
                 if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
-                    $output->writeln("Cache {$name} cleared");
+                    $output->writeln("<fg=yellow>Clearing instance {$name} cache...</>");
                 }
                 $phpFastCache->get($name)->clear();
+                if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
+                    $output->writeln("<fg=green>Cache instance {$name} cleared</>");
+                }
+            }catch (phpFastCacheDriverCheckException $e){
+                $failedInstances[] = $name;
+                if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
+                    $output->writeln("<fg=red>Cache instance {$name} not cleared, got exception: " . "<bg=red;options=bold>" . $e->getMessage() ."</>");
+                }else{
+                    $output->writeln("<fg=red>Cache instance {$name} not cleared (increase verbosity to get more information).</>");
+                }
+            }
+        };
+        $caches = $this->getContainer()->getParameter('phpfastcache');
+
+        if($driver) {
+            if(array_key_exists($driver, $caches['drivers'])){
+                $callback($driver);
+                if(!count($failedInstances)){
+                    $io->success("Cache instance {$driver} cleared");
+                }else{
+                    $io->error("Cache instance {$driver} not cleared");
+                }
+            }else{
+                $io->error("Cache instance {$driver} does not exists");
+            }
+        } else {
+            foreach($caches['drivers'] as $name => $parameters) {
+                $callback($name);
+            }
+            if(!count($failedInstances)){
+                $io->success('All caches instances got cleared');
+            }else{
+                $io->success('Almost all caches instances got cleared, except these: ' . implode(', ', $failedInstances));
             }
-            $io->success('All caches cleared');
         }
     }
 }