initial commit (migrated)

lib/features/quote/presentation/bloc/quote_bloc.dart

@@ -0,0 +1,83 @@
+import 'package:bloc_concurrency/bloc_concurrency.dart';
+import 'package:equatable/equatable.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:kuwot/core/data/local/config.dart';
+import 'package:kuwot/core/data/local/translation_target_config.dart';
+import 'package:kuwot/core/presentation/bloc/error_state.dart';
+import 'package:kuwot/features/quote/domain/entities/quote.dart';
+import 'package:kuwot/features/quote/domain/use_cases/get_quote.dart';
+import 'package:kuwot/features/quote/domain/use_cases/get_translated_quote.dart';
+
+part 'quote_events.dart';
+part 'quote_states.dart';
+
+class QuoteBloc extends Bloc<QuoteEvent, QuoteState> {
+  final GetQuote getQuote;
+  final GetTranslatedQuote getTranslatedQuote;
+  final Config<TranslationTarget> translationTargetConfig;
+
+  int _originalQuoteId = -1;
+
+  QuoteBloc({
+    required this.getQuote,
+    required this.getTranslatedQuote,
+    required this.translationTargetConfig,
+  }) : super(const QuoteInitialState()) {
+    on<GetQuoteEvent>(_onGetQuoteEvent, transformer: droppable());
+    on<GetTranslatedQuoteEvent>(
+      _onGetTranslatedQuoteEvent,
+      transformer: droppable(),
+    );
+  }
+
+  Future<void> _onGetQuoteEvent(
+    QuoteEvent event,
+    Emitter<QuoteState> emit,
+  ) async {
+    emit(const QuoteLoadingState());
+
+    // add delay to limit the number of api calls
+    await Future.delayed(const Duration(seconds: 1));
+
+    // check if need to translate the quote
+    final translationTarget = await translationTargetConfig.get();
+
+    // get quote
+    final result = await getQuote(GetQuoteParams(translationTarget));
+    result.fold((failure) => emit(QuoteErrorState(message: failure.message)), (
+      quote,
+    ) {
+      _originalQuoteId = quote.id;
+      emit(QuoteLoadedState(quote: quote));
+    });
+  }
+
+  Future<void> _onGetTranslatedQuoteEvent(
+    GetTranslatedQuoteEvent event,
+    Emitter<QuoteState> emit,
+  ) async {
+    emit(const QuoteLoadingState());
+
+    // add delay to limit the number of api calls
+    await Future.delayed(const Duration(seconds: 1));
+
+    // get translation target
+    final translationTarget = await translationTargetConfig.get();
+    if (translationTarget == null) {
+      emit(const QuoteErrorState(message: 'Translation target is not set'));
+      return;
+    }
+
+    // get translated quote
+    final result = await getTranslatedQuote(
+      GetTranslatedQuoteParams(
+        id: _originalQuoteId,
+        translationTarget: translationTarget,
+      ),
+    );
+    result.fold(
+      (failure) => emit(QuoteErrorState(message: failure.message)),
+      (quote) => emit(QuoteLoadedState(quote: quote)),
+    );
+  }
+}