fix: file explorer and support select file (#111)

ui/flutter/lib/app/views/views/buid_task_list_view.dart

@@ -3,9 +3,11 @@ import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:url_launcher/url_launcher.dart';
+import 'package:path/path.dart' as path;
 
 import '../../../api/api.dart';
 import '../../../api/model/task.dart';
+import '../../../util/file_explorer.dart';
 import '../../../util/file_icon.dart';
 import '../../../util/icons.dart';
 import '../../../util/message.dart';
@@ -53,6 +55,18 @@ class BuildTaskListView extends GetView {
       return task.status == Status.running;
     }
 
+    String buildExplorerUrl(Task task) {
+      if (task.meta.res.rootDir.trim().isEmpty) {
+        return path.join(
+            Util.safeDir(task.meta.opts.path),
+            Util.safeDir(task.meta.res.files[0].path),
+            task.meta.res.files[0].name);
+      } else {
+        return path.join(Util.safeDir(task.meta.opts.path),
+            Util.safeDir(task.meta.res.rootDir));
+      }
+    }
+
     Future<void> showDeleteDialog(String id) {
       final keep = true.obs;
 
@@ -100,9 +114,7 @@ class BuildTaskListView extends GetView {
           list.add(IconButton(
             icon: const Icon(Icons.folder_open),
             onPressed: () async {
-              final file = File(Util.buildAbsPath(task.meta.opts.path,
-                  task.meta.res.files[0].path, task.meta.res.files[0].name));
-              await launchUrl(file.parent.uri);
+              await FileExplorer.openAndSelectFile(buildExplorerUrl(task));
             },
           ));
         }

ui/flutter/lib/util/file_explorer.dart

@@ -0,0 +1,47 @@
+import 'dart:io';
+
+class FileExplorer {
+  static Future<void> openAndSelectFile(String filePath) async {
+    if (!await FileSystemEntity.isDirectory(filePath) &&
+        !await FileSystemEntity.isFile(filePath)) {
+      return;
+    }
+    if (await FileSystemEntity.isDirectory(filePath)) {
+      if (Platform.isWindows) {
+        Process.run('explorer.exe', [filePath]);
+      } else if (Platform.isMacOS || Platform.isLinux) {
+        Process.run('xdg-open', [filePath]);
+      }
+    } else if (await FileSystemEntity.isFile(filePath)) {
+      if (Platform.isWindows) {
+        Process.run('explorer.exe', ['/select,', filePath]);
+      } else if (Platform.isMacOS) {
+        Process.run('open', ['-R', filePath]);
+      } else if (Platform.isLinux) {
+        if (await _isUbuntuOrDebian()) {
+          Process.run('xdg-open', [filePath]);
+        } else if (await _isCentOS()) {
+          Process.run('nautilus', ['--select', filePath]);
+        }
+      }
+    }
+  }
+
+  static Future<bool> _isUbuntuOrDebian() async {
+    final result = await Process.run('lsb_release', ['-i']);
+    if (result.exitCode != 0) {
+      return false;
+    }
+    final output = result.stdout.toString().toLowerCase();
+    return output.contains('ubuntu') || output.contains('debian');
+  }
+
+  static Future<bool> _isCentOS() async {
+    final result = await Process.run('cat', ['/etc/os-release']);
+    if (result.exitCode != 0) {
+      return false;
+    }
+    final output = result.stdout.toString().toLowerCase();
+    return output.contains('centos');
+  }
+}

ui/flutter/lib/util/util.dart

@@ -3,12 +3,11 @@ import 'dart:io';
 import 'package:flutter/foundation.dart';
 
 class Util {
-  static String buildAbsPath(String dir, String path, String name) {
-    return (dir == "" ? "" : "$dir/") + buildPath(path, name);
-  }
-
-  static String buildPath(String path, String name) {
-    return (path == "" ? "" : "$path/") + name;
+  static String safeDir(String path) {
+    if (path == "." || path == "./" || path == ".\\") {
+      return "";
+    }
+    return path;
   }
 
   static String fmtByte(int byte) {