Added copy-curl button

flutter/lib/pages/send/send.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:provider/provider.dart';
 import 'package:qr_flutter/qr_flutter.dart';
@@ -95,6 +96,14 @@ class _SendRootPageState extends State<SendRootPage> {
         const SizedBox(height: 16),
         Row(
           children: [
+            UI.buttonIconOnly(
+              icon: FontAwesomeIcons.webhook,
+              onPressed: _copyCurl,
+              square: true,
+              color: Theme.of(context).colorScheme.secondary.withAlpha(128),
+              iconColor: Theme.of(context).colorScheme.onSecondary,
+            ),
+            const SizedBox(width: 8),
             Expanded(
               child: UI.button(
                 text: 'Send',
@@ -188,6 +197,14 @@ class _SendRootPageState extends State<SendRootPage> {
         const SizedBox(height: 16),
         Row(
           children: [
+            UI.buttonIconOnly(
+              icon: FontAwesomeIcons.webhook,
+              onPressed: _copyCurl,
+              square: true,
+              color: Theme.of(context).colorScheme.secondary.withAlpha(128),
+              iconColor: Theme.of(context).colorScheme.onSecondary,
+            ),
+            const SizedBox(width: 8),
             Expanded(
               child: UI.button(
                 text: 'Send',
@@ -332,4 +349,35 @@ class _SendRootPageState extends State<SendRootPage> {
       _senderName.text = Globals().deviceName;
     });
   }
+
+  void _copyCurl() {
+    final userAcc = Provider.of<AppAuth>(context, listen: false);
+
+    if (!userAcc.isAuth()) {
+      Toaster.error("Error", 'Must be logged in to send messages');
+      return;
+    }
+
+    String curl = 'curl';
+    curl += ' --data user_id="${userAcc.userID}"';
+    curl += ' --data key="${userAcc.tokenSend}"';
+    curl += ' --data title="${shellEscape(_msgTitle.text)}"';
+    curl += ' --data content="${shellEscape(_msgContent.text)}"';
+
+    if (_expanded) {
+      curl += ' --data channel="${shellEscape(_channelName.text)}"';
+      curl += ' --data sender_name="${shellEscape(_senderName.text)}"';
+      curl += ' --data priority="${_priority}"';
+    }
+
+    curl += ' "https://simplecloudnotifier.de/"';
+
+    Clipboard.setData(new ClipboardData(text: curl));
+    Toaster.info("Clipboard", 'Copied curl-command to Clipboard');
+    print('================= [CLIPBOARD] =================\n${curl}\n================= [/CLIPBOARD] =================');
+  }
+
+  String shellEscape(String str) {
+    return str.replaceAll('\\', '\\\\').replaceAll('"', '\\"').replaceAll('\n', '\\n').replaceAll('\t', '\\t');
+  }
 }