3 files changed, 67 insertions, 0 deletions
diff --git a/src/Module/AptModule.php b/src/Module/AptModule.php
new file mode 100644
index 0000000..ff4cb95
--- /dev/null
+++ b/src/Module/AptModule.php
@@ -0,0 +1,48 @@
+<?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
new file mode 100644
index 0000000..2963b5f
--- /dev/null
+++ b/src/Module/ModuleInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace PHPIAC\Module;
+
+interface ModuleInterface
+{
+    public function checkState(): bool;
+
+    public function getCommands(): array;
+}
diff --git a/src/Module/State.php b/src/Module/State.php
new file mode 100644
index 0000000..c7f7af9
--- /dev/null
+++ b/src/Module/State.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace PHPIAC\Module;
+
+class State
+{
+    public const PRESENT = 'present';
+    public const ABSENT = 'absent';
+}