From 82e4d1ca348748e8cdde86f65e62221968cabed5 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Sun, 18 Apr 2021 21:46:12 +0200
Subject: Slight refactoring

---
 index.php                        |  1 -
 src/Command/RunCommand.php       | 17 +++++++------
 src/Module/AptModule.php         | 48 -----------------------------------
 src/Module/ModuleInterface.php   |  6 +++++
 src/Module/Modules/AptModule.php | 54 ++++++++++++++++++++++++++++++++++++++++
 src/Task.php                     | 22 ++++++++--------
 6 files changed, 81 insertions(+), 67 deletions(-)
 delete mode 100644 src/Module/AptModule.php
 create mode 100644 src/Module/Modules/AptModule.php

diff --git a/index.php b/index.php
index 0585c36..92972cf 100644
--- a/index.php
+++ b/index.php
@@ -1,4 +1,3 @@
-#!/usr/bin/env php
 <?php
 
 require __DIR__ . '/vendor/autoload.php';
diff --git a/src/Command/RunCommand.php b/src/Command/RunCommand.php
index 048e94c..145b2d5 100644
--- a/src/Command/RunCommand.php
+++ b/src/Command/RunCommand.php
@@ -7,6 +7,7 @@ use phpseclib3\Crypt\PublicKeyLoader;
 use phpseclib3\Net\SSH2;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 
 class RunCommand extends Command
@@ -14,12 +15,13 @@ class RunCommand extends Command
     protected static $defaultName = 'run';
 
     protected function configure()
-    {}
+    {
+        $this->addOption('config', 'c', InputOption::VALUE_REQUIRED, 'Path to config file', getcwd() . '/config.php');
+    }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        $cwd = getcwd();
-        $config = include $cwd . '/config.php';
+        $config = include $input->getOption('config');
 
         global $ssh;
         $ssh = new SSH2($config['host']);
@@ -28,17 +30,18 @@ class RunCommand extends Command
         }
 
         $commands = [];
-        foreach ($config['tasks'] as $task) {
+        foreach ($config['tasks'] as $taskName => $task) {
             /**@var Task $task*/
             if (! $task->module->checkState()) {
-                $output->writeln('Adding commands from ' . get_class($task->module));
+                $output->writeln($taskName . ': Adding commands from ' . get_class($task->module));
                 array_push($commands, ...$task->module->getCommands());
             }
             else {
-                $output->writeln('Skipping commands from ' . get_class($task->module));
+                $output->writeln($taskName . ': Skipping commands from ' . get_class($task->module));
             }
         }
 
+        // run commands in single exec call
         $ssh->exec(implode(PHP_EOL, $commands));
 
         return Command::SUCCESS;
diff --git a/src/Module/AptModule.php b/src/Module/AptModule.php
deleted file mode 100644
index ff4cb95..0000000
--- a/src/Module/AptModule.php
+++ /dev/null
@@ -1,48 +0,0 @@
-<?php
-
-namespace PHPIAC\Module;
-
-use phpseclib3\Net\SSH2;
-
-class AptModule implements ModuleInterface
-{
-    public function __construct(
-        private string $package,
-        private string $state = State::PRESENT
-    ) {}
-
-    public function checkState(): bool
-    {
-        global $ssh;
-        /**@var SSH2 $ssh*/
-        $ssh->enablePTY();
-        $ssh->exec("which $this->package");
-
-        if ($this->state === State::PRESENT) {
-            $state = ! empty($ssh->read());
-        }
-        else if ($this->state === State::ABSENT) {
-            $state = empty($ssh->read());
-        }
-
-        $ssh->disablePTY();
-
-        return $state;
-    }
-
-    public function getCommands(): array
-    {
-        if ($this->state === State::PRESENT) {
-            return [
-                "sudo apt install -y $this->package",
-            ];
-        }
-        else if ($this->state === State::ABSENT) {
-            return [
-                "sudo apt remove -y $this->package",
-            ];
-        }
-
-        return [];
-    }
-}
diff --git a/src/Module/ModuleInterface.php b/src/Module/ModuleInterface.php
index 2963b5f..649a095 100644
--- a/src/Module/ModuleInterface.php
+++ b/src/Module/ModuleInterface.php
@@ -4,7 +4,13 @@ namespace PHPIAC\Module;
 
 interface ModuleInterface
 {
+    /**
+     * @return bool
+     */
     public function checkState(): bool;
 
+    /**
+     * @return array
+     */
     public function getCommands(): array;
 }
diff --git a/src/Module/Modules/AptModule.php b/src/Module/Modules/AptModule.php
new file mode 100644
index 0000000..ccf4892
--- /dev/null
+++ b/src/Module/Modules/AptModule.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace PHPIAC\Module\Modules;
+
+use PHPIAC\Module\ModuleInterface;
+use PHPIAC\Module\State;
+use phpseclib3\Net\SSH2;
+
+class AptModule implements ModuleInterface
+{
+    /**
+     * AptModule constructor.
+     *
+     * @param string $package
+     * @param string $state
+     */
+    public function __construct(
+        private string $package,
+        private string $state = State::PRESENT
+    ) {}
+
+    /**
+     * @inheritDoc
+     */
+    public function checkState(): bool
+    {
+        global $ssh;
+        /**@var SSH2 $ssh*/
+        $ssh->enablePTY();
+
+        $ssh->exec("dpkg -l $this->package | grep 'ii'");
+        $dpkg = $ssh->read();
+
+        $state = match ($this->state) {
+            State::PRESENT => str_starts_with($dpkg, 'ii'),
+            State::ABSENT => str_contains($dpkg, 'no packages found'),
+        };
+
+        $ssh->disablePTY();
+
+        return $state;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getCommands(): array
+    {
+        return match ($this->state) {
+            State::PRESENT => ["sudo apt install -y $this->package"],
+            State::ABSENT => ["sudo apt remove -y $this->package"],
+        };
+    }
+}
diff --git a/src/Task.php b/src/Task.php
index 598f55c..a5698ea 100644
--- a/src/Task.php
+++ b/src/Task.php
@@ -6,22 +6,22 @@ use PHPIAC\Module\ModuleInterface;
 
 class Task
 {
-    public function __construct(
-        public ModuleInterface $module,
-        public array $vars,
-    ) {}
+    public ModuleInterface $module;
 
+    /**
+     * Task constructor.
+     */
+    public function __construct() {}
+
+    /**
+     * @param ModuleInterface $module
+     *
+     * @return $this
+     */
     public function setModule(ModuleInterface $module): self
     {
         $this->module = $module;
 
         return $this;
     }
-
-    public function setVars(array $vars): self
-    {
-        $this->vars = $vars;
-
-        return $this;
-    }
 }
-- 
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