Added command descriptions

src/Command/DebugTasksCommand.php

@@ -45,8 +45,16 @@ public function __construct($name, TaskExecutionRepositoryInterface $taskExecuti
     protected function configure()
     {
         $this->setDescription('Debug tasks')
-            ->addOption('page', 'p', InputOption::VALUE_REQUIRED, '', 1)
-            ->addOption('page-size', null, InputOption::VALUE_REQUIRED, '', null);
+            ->setHelp(<<<'EOT'
+The <info>%command.name%</info> command dumps the information about tasks.
+
+    $ %command.full_name% -p 1 --page-size 10
+
+Pagination is possible with the optional options 'p' and 'page-size'.
+EOT
+            )
+            ->addOption('page', 'p', InputOption::VALUE_REQUIRED, 'Specifies page for pagination', 1)
+            ->addOption('page-size', null, InputOption::VALUE_REQUIRED, 'Specifies page-size for pagination', null);
     }
 
     /**

src/Command/RunCommand.php

@@ -50,7 +50,14 @@ public function __construct($name, TaskRunnerInterface $runner, TaskSchedulerInt
      */
     protected function configure()
     {
-        $this->setDescription('Run pending tasks');
+        $this->setDescription('Run pending tasks')
+            ->setHelp(<<<'EOT'
+The <info>%command.name%</info> command runs the pending task-executions. During the execution the status
+of the executions will be updated.
+
+    $ %command.full_name%
+EOT
+            );
     }
 
     /**

src/Command/RunHandlerCommand.php

@@ -44,9 +44,15 @@ public function __construct($name, TaskHandlerFactoryInterface $handlerFactory)
     protected function configure()
     {
         $this
-            ->setDescription('Run pending tasks')
-            ->addArgument('handlerClass', InputArgument::REQUIRED)
-            ->addArgument('workload', InputArgument::OPTIONAL);
+            ->setDescription('Run handler')
+            ->setHelp(<<<'EOT'
+The <info>%command.name%</info> command run given handler.
+
+    $ %command.full_name% AppBundle\\Handler\\ImageHandler ./img/test-image.jpg
+EOT
+            )
+        ->addArgument('handlerClass', InputArgument::REQUIRED, 'Handler which will be called')
+        ->addArgument('workload', InputArgument::OPTIONAL, 'This will be passed to the handler');
     }
 
     /**

src/Command/ScheduleTaskCommand.php

@@ -45,12 +45,22 @@ public function __construct($name, TaskSchedulerInterface $runner)
     protected function configure()
     {
         $this
-            ->setDescription('Run pending tasks')
-            ->addArgument('handlerClass', InputArgument::REQUIRED)
-            ->addArgument('workload', InputArgument::OPTIONAL)
-            ->addOption('cron-expression', 'c', InputOption::VALUE_REQUIRED)
-            ->addOption('execution-date', null, InputOption::VALUE_REQUIRED)
-            ->addOption('end-date', null, InputOption::VALUE_REQUIRED);
+            ->setDescription('Schedule task')
+            ->setHelp(<<<'EOT'
+The <info>%command.name%</info> command schedules given handler.
+
+    $ %command.full_name% AppBundle\\Handler\\ImageHandler
+
+Execute without any arguments in order to see schedule a single task, use the
+<comment>--workload</comment> option in order to specify a workload or
+<comment>--cron-expression</comment> to create a recurring task.
+EOT
+            )
+            ->addArgument('handlerClass', InputArgument::REQUIRED, 'Handler which will be called')
+            ->addArgument('workload', InputArgument::OPTIONAL, 'This will be passed to the handler')
+            ->addOption('cron-expression', 'c', InputOption::VALUE_REQUIRED, 'Specifies interval for recurring task')
+            ->addOption('execution-date', null, InputOption::VALUE_REQUIRED, 'Specifies execution-date for single task')
+            ->addOption('end-date', null, InputOption::VALUE_REQUIRED, 'Specifies last run date for recurring tasks');
     }
 
     /**