add quotes

lib/features/quotes/presentation/providers/quotes_provider.dart

@@ -0,0 +1,138 @@
+/// Providers: Quotes
+///
+/// Riverpod providers for managing quotes state.
+library;
+
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:worker/core/database/models/enums.dart';
+import 'package:worker/features/quotes/data/datasources/quotes_local_datasource.dart';
+import 'package:worker/features/quotes/data/models/quote_model.dart';
+
+part 'quotes_provider.g.dart';
+
+/// Quotes Local Data Source Provider
+@riverpod
+QuotesLocalDataSource quotesLocalDataSource(Ref ref) {
+  return QuotesLocalDataSource();
+}
+
+/// Quotes Provider
+///
+/// Provides list of all quotes from local data source.
+@riverpod
+class Quotes extends _$Quotes {
+  @override
+  Future<List<QuoteModel>> build() async {
+    final datasource = ref.read(quotesLocalDataSourceProvider);
+
+    // Seed mock data on first load
+    final quotes = await datasource.getAllQuotes();
+    if (quotes.isEmpty) {
+      await datasource.seedMockQuotes();
+      return await datasource.getAllQuotes();
+    }
+
+    return quotes;
+  }
+
+  /// Refresh quotes
+  Future<void> refresh() async {
+    state = const AsyncValue.loading();
+    state = await AsyncValue.guard(() async {
+      return await ref.read(quotesLocalDataSourceProvider).getAllQuotes();
+    });
+  }
+}
+
+/// Quote Search Query Provider
+@riverpod
+class QuoteSearchQuery extends _$QuoteSearchQuery {
+  @override
+  String build() {
+    return '';
+  }
+
+  void updateQuery(String query) {
+    state = query;
+  }
+
+  void clearQuery() {
+    state = '';
+  }
+}
+
+/// Selected Quote Status Filter Provider
+@riverpod
+class SelectedQuoteStatus extends _$SelectedQuoteStatus {
+  @override
+  QuoteStatus? build() {
+    return null; // null means show all statuses
+  }
+
+  void selectStatus(QuoteStatus? status) {
+    state = status;
+  }
+
+  void clearFilter() {
+    state = null;
+  }
+}
+
+/// Filtered Quotes Provider
+///
+/// Filters quotes by search query and status.
+@riverpod
+Future<List<QuoteModel>> filteredQuotes(Ref ref) async {
+  final quotesAsync = ref.watch(quotesProvider);
+  final searchQuery = ref.watch(quoteSearchQueryProvider);
+  final selectedStatus = ref.watch(selectedQuoteStatusProvider);
+
+  return quotesAsync.when(
+    data: (quotes) {
+      var filtered = quotes;
+
+      // Filter by search query
+      if (searchQuery.isNotEmpty) {
+        final lowerQuery = searchQuery.toLowerCase();
+        filtered = filtered.where((quote) {
+          final matchesNumber = quote.quoteNumber.toLowerCase().contains(lowerQuery);
+          final matchesProject =
+              quote.projectName?.toLowerCase().contains(lowerQuery) ?? false;
+          return matchesNumber || matchesProject;
+        }).toList();
+      }
+
+      // Filter by status
+      if (selectedStatus != null) {
+        filtered = filtered.where((quote) => quote.status == selectedStatus).toList();
+      }
+
+      // Sort by creation date (newest first)
+      filtered.sort((a, b) => b.createdAt.compareTo(a.createdAt));
+
+      return filtered;
+    },
+    loading: () => [],
+    error: (error, stack) => [],
+  );
+}
+
+/// Quotes Count by Status Provider
+@riverpod
+Future<Map<QuoteStatus, int>> quotesCountByStatus(Ref ref) async {
+  final quotesAsync = ref.watch(quotesProvider);
+
+  return quotesAsync.when(
+    data: (quotes) {
+      final counts = <QuoteStatus, int>{};
+
+      for (final status in QuoteStatus.values) {
+        counts[status] = quotes.where((quote) => quote.status == status).length;
+      }
+
+      return counts;
+    },
+    loading: () => {},
+    error: (error, stack) => {},
+  );
+}