CAKE-192 | created ParsedAddress class; applied this class to parse_address_from_domain.dart, send_page.dart and exchange_page.dart

lib/entities/parse_address_from_domain.dart

@@ -1,52 +1,40 @@
 import 'package:cake_wallet/entities/openalias_record.dart';
+import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/entities/unstoppable_domain_address.dart';
-import 'package:cake_wallet/src/screens/send/widgets/parse_address_from_domain_alert.dart';
-import 'package:flutter/material.dart';
-import 'package:cake_wallet/generated/i18n.dart';
 
 const topLevelDomain = 'crypto';
 
-Future<String> parseAddressFromDomain(
-    BuildContext context, String domain, String ticker) async {
+Future<ParsedAddress> parseAddressFromDomain(
+    String domain, String ticker) async {
   try {
     final domainParts = domain.split('.');
     final name = domainParts.last;
 
     if (domainParts.length <= 1 || domainParts.first.isEmpty || name.isEmpty) {
-      return domain;
+      return ParsedAddress(domain, ParseFrom.notParsed);
     }
 
     if (name.contains(topLevelDomain)) {
       final address = await fetchUnstoppableDomainAddress(domain, ticker);
 
       if (address?.isEmpty ?? true) {
-        return domain;
+        return ParsedAddress(domain, ParseFrom.notParsed);
       }
 
-      showAddressAlert(
-          context,
-          S.of(context).address_detected,
-          S.of(context).address_from_domain(domain));
-
-      return address;
+      return ParsedAddress(address, ParseFrom.unstoppableDomains);
     }
 
     final record = await OpenaliasRecord.fetchAddressAndName(
         OpenaliasRecord.formatDomainName(domain));
 
     if (record == null || record.address.contains(domain)) {
-      return domain;
+      return ParsedAddress(domain, ParseFrom.notParsed);
     }
 
-    showAddressAlert(
-        context,
-        S.of(context).openalias_alert_title,
-        S.of(context).openalias_alert_content(domain));
-
-    return record.address;
+    return ParsedAddress(record.address, ParseFrom.openAlias);
   } catch (e) {
     print(e.toString());
   }
 
-  return domain;
+  return ParsedAddress(domain, ParseFrom.notParsed);
 }

lib/entities/parsed_address.dart

@@ -0,0 +1,8 @@
+enum ParseFrom {unstoppableDomains, openAlias, notParsed}
+
+class ParsedAddress {
+  ParsedAddress(this.address, this.parseFrom);
+
+  final String address;
+  final ParseFrom parseFrom;
+}

lib/src/screens/exchange/exchange_page.dart

@@ -1,7 +1,9 @@
 import 'dart:ui';
+import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/entities/sync_status.dart';
 import 'package:cake_wallet/entities/wallet_type.dart';
 import 'package:cake_wallet/entities/parse_address_from_domain.dart';
+import 'package:cake_wallet/src/screens/send/widgets/parse_address_from_domain_alert.dart';
 import 'package:cake_wallet/src/widgets/standard_checkbox.dart';
 import 'package:dotted_border/dotted_border.dart';
 import 'package:flutter/cupertino.dart';
@@ -229,7 +231,7 @@ class ExchangePage extends BasePage {
                                   final ticker = exchangeViewModel
                                       .depositCurrency.title.toLowerCase();
                                   exchangeViewModel.depositAddress =
-                                    await parseAddressFromDomain(
+                                    await applyOpenaliasOrUnstoppableDomains(
                                         context, domain, ticker);
                                 },
                               ),
@@ -284,7 +286,7 @@ class ExchangePage extends BasePage {
                                     final ticker = exchangeViewModel
                                         .receiveCurrency.title.toLowerCase();
                                     exchangeViewModel.receiveAddress =
-                                      await parseAddressFromDomain(
+                                      await applyOpenaliasOrUnstoppableDomains(
                                           context, domain, ticker);
                                   },
                                 )),
@@ -514,12 +516,12 @@ class ExchangePage extends BasePage {
     var domain = template.depositAddress;
     var ticker = template.depositCurrency.toLowerCase();
     exchangeViewModel.depositAddress =
-      await parseAddressFromDomain(context, domain, ticker);
+      await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
 
     domain = template.receiveAddress;
     ticker = template.receiveCurrency.toLowerCase();
     exchangeViewModel.receiveAddress =
-      await parseAddressFromDomain(context, domain, ticker);
+      await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
   }
 
   void _setReactions(
@@ -691,7 +693,7 @@ class ExchangePage extends BasePage {
         final domain = depositAddressController.text;
         final ticker = exchangeViewModel.depositCurrency.title.toLowerCase();
         exchangeViewModel.depositAddress =
-          await parseAddressFromDomain(context, domain, ticker);
+          await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
       }
     });
 
@@ -701,7 +703,7 @@ class ExchangePage extends BasePage {
         final domain = receiveAddressController.text;
         final ticker = exchangeViewModel.receiveCurrency.title.toLowerCase();
         exchangeViewModel.receiveAddress =
-          await parseAddressFromDomain(context, domain, ticker);
+          await applyOpenaliasOrUnstoppableDomains(context, domain, ticker);
       }
     });
 
@@ -775,4 +777,28 @@ class ExchangePage extends BasePage {
       key.currentState.addressController.text = null;
     }
   }
+
+  Future<String> applyOpenaliasOrUnstoppableDomains(
+      BuildContext context, String domain, String ticker) async {
+    final parsedAddress = await parseAddressFromDomain(domain, ticker);
+
+    switch (parsedAddress.parseFrom) {
+      case ParseFrom.unstoppableDomains:
+        showAddressAlert(
+            context,
+            S.of(context).address_detected,
+            S.of(context).address_from_domain(domain));
+        break;
+      case ParseFrom.openAlias:
+        showAddressAlert(
+            context,
+            S.of(context).openalias_alert_title,
+            S.of(context).openalias_alert_content(domain));
+        break;
+      case ParseFrom.notParsed:
+        break;
+    }
+
+    return parsedAddress.address;
+  }
 }

lib/src/screens/send/send_page.dart

@@ -1,6 +1,8 @@
 import 'dart:ui';
+import 'package:cake_wallet/entities/parsed_address.dart';
 import 'package:cake_wallet/entities/transaction_priority.dart';
 import 'package:cake_wallet/entities/parse_address_from_domain.dart';
+import 'package:cake_wallet/src/screens/send/widgets/parse_address_from_domain_alert.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/src/widgets/keyboard_done_button.dart';
 import 'package:cake_wallet/src/widgets/picker.dart';
@@ -757,7 +759,24 @@ class SendPage extends BasePage {
   void applyOpenaliasOrUnstoppableDomains(BuildContext context) async {
     final domain = _addressController.text;
     final ticker = sendViewModel.currency.title.toLowerCase();
-    _addressController.text =
-      await parseAddressFromDomain(context, domain, ticker);
+    final parsedAddress = await parseAddressFromDomain(domain, ticker);
+    _addressController.text = parsedAddress.address;
+
+    switch (parsedAddress.parseFrom) {
+      case ParseFrom.unstoppableDomains:
+        showAddressAlert(
+            context,
+            S.of(context).address_detected,
+            S.of(context).address_from_domain(domain));
+        break;
+      case ParseFrom.openAlias:
+        showAddressAlert(
+            context,
+            S.of(context).openalias_alert_title,
+            S.of(context).openalias_alert_content(domain));
+        break;
+      case ParseFrom.notParsed:
+        break;
+    }
   }
 }