refactor: use generic data repository

- Replaced specific repository
- Used shared Headline model
- Updated exception handling

Author: fulleni

lib/headline-details/bloc/headline_details_bloc.dart

@@ -1,35 +1,37 @@
 import 'dart:async'; // Ensure async is imported
 
 import 'package:bloc/bloc.dart';
-import 'package:ht_headlines_client/ht_headlines_client.dart'; // Import for Headline and Exceptions
-import 'package:ht_headlines_repository/ht_headlines_repository.dart';
+import 'package:ht_data_repository/ht_data_repository.dart'; // Generic Data Repository
+import 'package:ht_shared/ht_shared.dart'
+    show
+        Headline,
+        HtHttpException,
+        NotFoundException; // Shared models and standardized exceptions
 
 part 'headline_details_event.dart';
 part 'headline_details_state.dart';
 
 class HeadlineDetailsBloc
     extends Bloc<HeadlineDetailsEvent, HeadlineDetailsState> {
-  HeadlineDetailsBloc({required HtHeadlinesRepository headlinesRepository})
+  HeadlineDetailsBloc({required HtDataRepository<Headline> headlinesRepository})
     : _headlinesRepository = headlinesRepository,
       super(HeadlineDetailsInitial()) {
     on<HeadlineDetailsRequested>(_onHeadlineDetailsRequested);
   }
 
-  final HtHeadlinesRepository _headlinesRepository;
+  final HtDataRepository<Headline> _headlinesRepository;
 
   Future<void> _onHeadlineDetailsRequested(
     HeadlineDetailsRequested event,
     Emitter<HeadlineDetailsState> emit,
   ) async {
     emit(HeadlineDetailsLoading());
     try {
-      final headline = await _headlinesRepository.getHeadline(
-        id: event.headlineId,
-      );
-      emit(HeadlineDetailsLoaded(headline: headline!));
-    } on HeadlineNotFoundException catch (e) {
+      final headline = await _headlinesRepository.read(id: event.headlineId);
+      emit(HeadlineDetailsLoaded(headline: headline));
+    } on NotFoundException catch (e) {
       emit(HeadlineDetailsFailure(message: e.message));
-    } on HeadlinesFetchException catch (e) {
+    } on HtHttpException catch (e) {
       emit(HeadlineDetailsFailure(message: e.message));
     } catch (e) {
       emit(HeadlineDetailsFailure(message: 'An unexpected error occurred: $e'));

lib/headline-details/view/headline_details_page.dart

@@ -3,10 +3,11 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:ht_headlines_client/ht_headlines_client.dart';
 import 'package:ht_main/headline-details/bloc/headline_details_bloc.dart';
 import 'package:ht_main/l10n/l10n.dart';
 import 'package:ht_main/shared/shared.dart';
+import 'package:ht_shared/ht_shared.dart'
+    show Headline; // Import Headline model
 import 'package:intl/intl.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
@@ -265,22 +266,20 @@ class HeadlineDetailsPage extends StatelessWidget {
       );
     }
 
-    // Country Chip
-    if (headline.eventCountry != null) {
-      // Use country.flagUrl for the avatar
+    // Country Chip (from Source Headquarters)
+    if (headline.source?.headquarters != null) {
+      final country = headline.source!.headquarters!;
       chips.add(
         Chip(
           avatar: CircleAvatar(
-            // Use CircleAvatar for better image display
-            radius: chipAvatarSize / 2, // Adjust radius as needed
-            backgroundColor: Colors.transparent, // Avoid background color clash
-            backgroundImage: NetworkImage(headline.eventCountry!.flagUrl),
+            radius: chipAvatarSize / 2,
+            backgroundColor: Colors.transparent,
+            backgroundImage: NetworkImage(country.flagUrl),
             onBackgroundImageError: (exception, stackTrace) {
               // Optional: Handle image loading errors, e.g., show placeholder
             },
           ),
-          // Use eventCountry.name
-          label: Text(headline.eventCountry!.name),
+          label: Text(country.name),
           labelStyle: chipLabelStyle,
           backgroundColor: chipBackgroundColor,
           padding: chipPadding,