added cargo files

PinePods-0.8.2/mobile/lib/core/extensions.dart

@@ -0,0 +1,60 @@
+// Copyright 2020 Ben Hills and the project contributors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:math';
+
+extension IterableExtensions<E> on Iterable<E> {
+  Iterable<List<E>> chunk(int size) sync* {
+    if (length <= 0) {
+      yield [];
+      return;
+    }
+
+    var skip = 0;
+
+    while (skip < length) {
+      final chunk = this.skip(skip).take(size);
+
+      yield chunk.toList(growable: false);
+
+      skip += size;
+
+      if (chunk.length < size) {
+        return;
+      }
+    }
+  }
+}
+
+extension ExtString on String? {
+  String get forceHttps {
+    if (this != null) {
+      final url = Uri.tryParse(this!);
+
+      if (url == null || !url.isScheme('http')) return this!;
+      
+      // Don't force HTTPS for localhost or local IP addresses to support self-hosted development
+      final host = url.host.toLowerCase();
+      if (host == 'localhost' || 
+          host == '127.0.0.1' || 
+          host.startsWith('10.') || 
+          host.startsWith('192.168.') || 
+          host.startsWith('172.') ||
+          host.endsWith('.local')) {
+        return this!;
+      }
+
+      return url.replace(scheme: 'https').toString();
+    }
+
+    return this ?? '';
+  }
+}
+
+extension ExtDouble on double {
+  double get toTenth {
+    var mod = pow(10.0, 1).toDouble();
+    return ((this * mod).round().toDouble() / mod);
+  }
+}