chore: Tiny fixes

Author: codekeyz

lib/src/utils/utils.dart

@@ -6,18 +6,25 @@ import 'package:http/http.dart' as http;
 import 'package:pharaoh/pharaoh_next.dart';
 import 'package:shared/shared.dart';
 
-Future<String?> getRandomImage(String searchText) async {
-  if (isTestMode) {
-    return 'https://dart.dev/assets/shared/dart-logo-for-shares.png';
-  }
+Future<String> getRandomImage(String searchText) async {
+  if (isTestMode) return defaultArticleImage;
+
+  String? resultingImageUrl;
 
   try {
     final response = await http.get(
       Uri.parse('https://api.pexels.com/v1/search?query=$searchText&per_page=1'),
       headers: {HttpHeaders.authorizationHeader: env<String>('PEXELS_API_KEY', '')},
     ).timeout(const Duration(seconds: 2));
     final result = await Isolate.run(() => jsonDecode(response.body)) as Map;
-    return result['photos'][0]['src']['medium'];
-  } catch (_) {}
-  return null;
+    resultingImageUrl = result['photos'][0]['src']['medium'];
+  } catch (error, trace) {
+    stderr.writeln('An error occurred while getting image for $searchText');
+    stderr.writeln('Error $error');
+    stderr.writeln('Trace $trace');
+  } finally {
+    resultingImageUrl ??= defaultArticleImage;
+  }
+
+  return resultingImageUrl;
 }

packages/frontend/lib/blog/blog_detail.dart

@@ -5,6 +5,7 @@ import 'package:frontend/main.dart';
 import 'package:frontend/utils/misc.dart';
 import 'package:markdown_widget/markdown_widget.dart';
 import 'package:provider/provider.dart';
+import 'package:shared/shared.dart';
 import 'package:timeago/timeago.dart' as timeago;
 
 import 'widgets/article_base_layout.dart';
@@ -34,8 +35,9 @@ class BlogDetail extends StatelessWidget {
 
         const footerStyle = TextStyle(fontSize: 12, fontWeight: FontWeight.w300);
         final isPostOwner = currentUser != null && owner != null && currentUser.id == owner.id;
+        final imageUri = article.imageUrl ?? defaultArticleImage;
 
-        final imageHost = article.imageUrl == null ? null : Uri.tryParse(article.imageUrl!)?.host;
+        final imageHost = Uri.tryParse(imageUri)?.host;
         const spacing = SizedBox(height: 24);
 
         return Column(
@@ -114,7 +116,7 @@ class BlogDetail extends StatelessWidget {
                   child: Column(
                     mainAxisSize: MainAxisSize.min,
                     children: [
-                      Expanded(child: imageView(article.imageUrl!)),
+                      Expanded(child: imageView(imageUri)),
                       if (imageHost != null) ...[
                         const SizedBox(height: 8),
                         Text(imageHost, style: const TextStyle(fontWeight: FontWeight.w300, fontSize: 12)),

packages/frontend/lib/data/providers/auth_provider.dart

@@ -23,7 +23,10 @@ class AuthProvider extends BaseProvider<User> {
 
   Future<void> getUser() async {
     final user = await safeRun(() => apiSvc.getUser());
-    if (user == null) return;
+    if (user == null) {
+      logout();
+      return;
+    }
 
     _setUser(user);
   }

packages/frontend/lib/utils/misc.dart

@@ -59,6 +59,9 @@ errorView({String? message}) {
 imageView(String imageUrl, {double? width, double? height}) => FastCachedImage(
       url: imageUrl,
       fit: BoxFit.cover,
+      errorBuilder: (_, error, df) => const Center(
+        child: Text('An error occurred while loading image'),
+      ),
       height: height ?? double.maxFinite,
       width: width ?? double.maxFinite,
       fadeInDuration: const Duration(seconds: 1),

packages/shared/lib/shared.dart

@@ -18,6 +18,8 @@ enum AppEnvironment {
 
 final isDebugMode = const bool.fromEnvironment("dart.vm.product") == false;
 
+const defaultArticleImage = 'https://images.pexels.com/photos/261763/pexels-photo-261763.jpeg';
+
 bool get isTestMode {
   var isDebug = false;
   assert(() {

test/backend_test.dart

@@ -4,6 +4,7 @@ import 'dart:io';
 import 'package:backend/backend.dart';
 import 'package:backend/src/models.dart';
 import 'package:shared/models.dart';
+import 'package:shared/shared.dart';
 
 import 'package:spookie/spookie.dart';
 import '../database/database.dart' as database;
@@ -267,7 +268,7 @@ void main() {
             expect(article.ownerId, currentUser!.id);
             expect(article.title, 'Hurry 🚀');
             expect(article.description, 'Welcome to the jungle');
-            expect(article.imageUrl, 'https://dart.dev/assets/shared/dart-logo-for-shares.png');
+            expect(article.imageUrl, defaultArticleImage);
             expect(article.id, isNotNull);
             expect(article.createdAt, isNotNull);
             expect(article.updatedAt, isNotNull);