refactor: docker status parsing (#886)

lib/data/model/container/status.dart

@@ -0,0 +1,70 @@
+import 'package:fl_lib/fl_lib.dart';
+import 'package:server_box/core/extension/context/locale.dart';
+
+/// Represents the various states a container can be in.
+/// Supports both Docker and Podman container status parsing.
+enum ContainerStatus {
+  running,
+  exited,
+  created,
+  paused,
+  restarting,
+  removing,
+  dead,
+  unknown;
+
+  /// Check if the container is actively running
+  bool get isRunning => this == ContainerStatus.running;
+
+  /// Check if the container can be started
+  bool get canStart =>
+      this == ContainerStatus.exited ||
+      this == ContainerStatus.created ||
+      this == ContainerStatus.dead;
+
+  /// Check if the container can be stopped
+  bool get canStop =>
+      this == ContainerStatus.running || this == ContainerStatus.paused;
+
+  /// Check if the container can be restarted
+  bool get canRestart =>
+      this != ContainerStatus.removing && this != ContainerStatus.unknown;
+
+  /// Parse Docker container status string to ContainerStatus
+  static ContainerStatus fromDockerState(String? state) {
+    if (state == null || state.isEmpty) return ContainerStatus.unknown;
+
+    final lowerState = state.toLowerCase();
+
+    if (lowerState.startsWith('up')) return ContainerStatus.running;
+    if (lowerState.contains('exited')) return ContainerStatus.exited;
+    if (lowerState.contains('created')) return ContainerStatus.created;
+    if (lowerState.contains('paused')) return ContainerStatus.paused;
+    if (lowerState.contains('restarting')) return ContainerStatus.restarting;
+    if (lowerState.contains('removing')) return ContainerStatus.removing;
+    if (lowerState.contains('dead')) return ContainerStatus.dead;
+
+    return ContainerStatus.unknown;
+  }
+
+  /// Parse Podman container status from exited boolean
+  static ContainerStatus fromPodmanExited(bool? exited) {
+    if (exited == true) return ContainerStatus.exited;
+    if (exited == false) return ContainerStatus.running;
+    return ContainerStatus.unknown;
+  }
+
+  /// Get display string for the status
+  String get displayName {
+    return switch (this) {
+      ContainerStatus.running => l10n.running,
+      ContainerStatus.exited => libL10n.exit,
+      ContainerStatus.created => 'Created',
+      ContainerStatus.paused => 'Paused',
+      ContainerStatus.restarting => 'Restarting',
+      ContainerStatus.removing => 'Removing',
+      ContainerStatus.dead => 'Dead',
+      ContainerStatus.unknown => libL10n.unknown,
+    };
+  }
+}