elCaribe app - customization and branding

news-app/lib/cubits/Bookmark/bookmarkCubit.dart

@@ -0,0 +1,111 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:news/data/models/NewsModel.dart';
+import 'package:news/data/repositories/Bookmark/bookmarkRepository.dart';
+import 'package:news/utils/strings.dart';
+
+abstract class BookmarkState {}
+
+class BookmarkInitial extends BookmarkState {}
+
+class BookmarkFetchInProgress extends BookmarkState {}
+
+class BookmarkFetchSuccess extends BookmarkState {
+  final List<NewsModel> bookmark;
+  final int totalBookmarkCount;
+  final bool hasMoreFetchError;
+  final bool hasMore;
+
+  BookmarkFetchSuccess({required this.bookmark, required this.totalBookmarkCount, required this.hasMoreFetchError, required this.hasMore});
+}
+
+class BookmarkFetchFailure extends BookmarkState {
+  final String errorMessage;
+
+  BookmarkFetchFailure(this.errorMessage);
+}
+
+class BookmarkCubit extends Cubit<BookmarkState> {
+  final BookmarkRepository bookmarkRepository;
+  int perPageLimit = 25;
+
+  BookmarkCubit(this.bookmarkRepository) : super(BookmarkInitial());
+
+  void getBookmark({required String langId}) async {
+    emit(BookmarkFetchInProgress());
+
+    try {
+      final result = await bookmarkRepository.getBookmark(limit: perPageLimit.toString(), offset: "0", langId: langId);
+
+      if (result[ERROR]) {
+        final message = result[MESSAGE];
+        if (message == "No Data Found") {
+          emit(BookmarkFetchSuccess(bookmark: [], totalBookmarkCount: 0, hasMoreFetchError: false, hasMore: false));
+        } else {
+          emit(BookmarkFetchFailure(message));
+        }
+        return;
+      }
+
+      final bookmarks = result['Bookmark'] as List<NewsModel>;
+      final total = result[TOTAL] as int;
+
+      emit(BookmarkFetchSuccess(bookmark: bookmarks, totalBookmarkCount: total, hasMoreFetchError: false, hasMore: bookmarks.length < total));
+    } catch (e) {
+      final error = e.toString();
+      emit(error == "No Data Found" ? BookmarkFetchSuccess(bookmark: [], totalBookmarkCount: 0, hasMoreFetchError: false, hasMore: false) : BookmarkFetchFailure(error));
+    }
+  }
+
+  bool hasMoreBookmark() {
+    return (state is BookmarkFetchSuccess) ? (state as BookmarkFetchSuccess).hasMore : false;
+  }
+
+  void getMoreBookmark({required String langId}) async {
+    if (state is BookmarkFetchSuccess) {
+      try {
+        final result = await bookmarkRepository.getBookmark(limit: perPageLimit.toString(), offset: (state as BookmarkFetchSuccess).bookmark.length.toString(), langId: langId);
+        List<NewsModel> updatedResults = (state as BookmarkFetchSuccess).bookmark;
+        updatedResults.addAll(result['Bookmark'] as List<NewsModel>);
+        emit(BookmarkFetchSuccess(bookmark: updatedResults, totalBookmarkCount: result[TOTAL], hasMoreFetchError: false, hasMore: updatedResults.length < result[TOTAL]));
+      } catch (e) {
+        emit(BookmarkFetchSuccess(
+            bookmark: (state as BookmarkFetchSuccess).bookmark,
+            hasMoreFetchError: (e.toString() == "No Data Found") ? false : true,
+            totalBookmarkCount: (state as BookmarkFetchSuccess).totalBookmarkCount,
+            hasMore: (state as BookmarkFetchSuccess).hasMore));
+      }
+    }
+  }
+
+  void addBookmarkNews(NewsModel model) {
+    if (state is BookmarkFetchSuccess) {
+      List<NewsModel> bookmarklist = [];
+      bookmarklist.insert(0, model);
+      bookmarklist.addAll((state as BookmarkFetchSuccess).bookmark);
+
+      emit(BookmarkFetchSuccess(
+          bookmark: List.from(bookmarklist), hasMoreFetchError: true, totalBookmarkCount: (state as BookmarkFetchSuccess).totalBookmarkCount, hasMore: (state as BookmarkFetchSuccess).hasMore));
+    }
+  }
+
+  void removeBookmarkNews(NewsModel model) {
+    if (state is BookmarkFetchSuccess) {
+      final bookmark = (state as BookmarkFetchSuccess).bookmark;
+      bookmark.removeWhere(((element) => (element.id == model.id || element.newsId == model.id)));
+      emit(BookmarkFetchSuccess(
+          bookmark: List.from(bookmark), hasMoreFetchError: true, totalBookmarkCount: (state as BookmarkFetchSuccess).totalBookmarkCount, hasMore: (state as BookmarkFetchSuccess).hasMore));
+    }
+  }
+
+  bool isNewsBookmark(String newsId) {
+    if (state is BookmarkFetchSuccess) {
+      final bookmark = (state as BookmarkFetchSuccess).bookmark;
+      return (bookmark.isNotEmpty) ? (bookmark.indexWhere((element) => (element.newsId == newsId || element.id == newsId)) != -1) : false;
+    }
+    return false;
+  }
+
+  void resetState() {
+    emit(BookmarkFetchInProgress());
+  }
+}