first commit

2026-02-07 15:57:09 +07:00
commit 157096f164
1153 changed files with 415766 additions and 0 deletions
--- a/ledger/provider.dart
+++ b/ledger/provider.dart
@@ -0,0 +1,189 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:mobile_pos/Screens/party%20ledger/repo/party_ledger_repo.dart';
+import 'model/party_leder_filer_param.dart';
+import 'model/party_ledger_model.dart';
+
+// State Class
+class LedgerState {
+  final List<PartyLedgerModel> transactions;
+  final bool isLoading;
+  final bool isLoadMoreRunning;
+  final int page;
+  final bool hasMoreData;
+  final String currentFilter;
+
+  LedgerState({
+    this.transactions = const [],
+    this.isLoading = true,
+    this.isLoadMoreRunning = false,
+    this.page = 1,
+    this.hasMoreData = true,
+    this.currentFilter = 'All',
+  });
+
+  LedgerState copyWith({
+    List<PartyLedgerModel>? transactions,
+    bool? isLoading,
+    bool? isLoadMoreRunning,
+    int? page,
+    bool? hasMoreData,
+    String? currentFilter,
+  }) {
+    return LedgerState(
+      transactions: transactions ?? this.transactions,
+      isLoading: isLoading ?? this.isLoading,
+      isLoadMoreRunning: isLoadMoreRunning ?? this.isLoadMoreRunning,
+      page: page ?? this.page,
+      hasMoreData: hasMoreData ?? this.hasMoreData,
+      currentFilter: currentFilter ?? this.currentFilter,
+    );
+  }
+}
+
+// Notifier
+// class PartyLedgerNotifier extends StateNotifier<LedgerState> {
+//   final PartyLedgerRepo _repository = PartyLedgerRepo();
+//   final String partyId;
+//
+//   PartyLedgerNotifier(this.partyId) : super(LedgerState()) {
+//     loadInitialData();
+//   }
+//
+//   // 1. Load Initial Data (Page 1)
+//   Future<void> loadInitialData() async {
+//     try {
+//       state = state.copyWith(isLoading: true);
+//       final response = await _repository.getPartyLedger(partyId: partyId, page: 1, duration: state.currentFilter // Pass the filter
+//           );
+//
+//       state = state.copyWith(
+//         transactions: response.data,
+//         isLoading: false,
+//         page: 1,
+//         hasMoreData: response.currentPage < response.lastPage,
+//       );
+//     } catch (e) {
+//       state = state.copyWith(isLoading: false, hasMoreData: false);
+//       print("Error loading ledger: $e");
+//     }
+//   }
+//
+//   // 2. Load More (Infinite Scroll)
+//   Future<void> loadMore() async {
+//     if (state.isLoadMoreRunning || !state.hasMoreData) return;
+//
+//     state = state.copyWith(isLoadMoreRunning: true);
+//
+//     try {
+//       final nextPage = state.page + 1;
+//       final response = await _repository.getPartyLedger(partyId: partyId, page: nextPage, duration: state.currentFilter // Keep using current filter
+//           );
+//
+//       state = state.copyWith(
+//         transactions: [...state.transactions, ...response.data],
+//         page: nextPage,
+//         isLoadMoreRunning: false,
+//         hasMoreData: response.currentPage < response.lastPage,
+//       );
+//     } catch (e) {
+//       state = state.copyWith(isLoadMoreRunning: false);
+//     }
+//   }
+//
+//   // 3. Update Filter (Resets data)
+//   void updateFilter(String newFilter) {
+//     if (state.currentFilter == newFilter) return;
+//
+//     // Reset state but keep the new filter
+//     state = LedgerState(currentFilter: newFilter, isLoading: true);
+//     loadInitialData(); // Reload with new filter
+//   }
+// }
+
+class PartyLedgerNotifier extends StateNotifier<LedgerState> {
+  final PartyLedgerRepo _repository = PartyLedgerRepo();
+  final String partyId;
+
+  PartyLedgerNotifier({
+    required this.partyId,
+    required String initialFilter,
+  }) : super(LedgerState(currentFilter: initialFilter)) {
+    loadInitialData();
+  }
+
+  // Load initial page (page 1)
+  Future<void> loadInitialData() async {
+    try {
+      state = state.copyWith(isLoading: true, page: 0, hasMoreData: true);
+      final response = await _repository.getPartyLedger(
+        partyId: partyId,
+        page: 1,
+        duration: state.currentFilter,
+      );
+
+      state = state.copyWith(
+        transactions: response.data,
+        isLoading: false,
+        page: 1,
+        hasMoreData: response.currentPage < response.lastPage,
+      );
+    } catch (e, st) {
+      print('Error loading ledger: $e\n$st');
+      state = state.copyWith(isLoading: false, hasMoreData: false);
+    }
+  }
+
+  // Load more for pagination
+  Future<void> loadMore() async {
+    if (state.isLoadMoreRunning || !state.hasMoreData) return;
+
+    state = state.copyWith(isLoadMoreRunning: true);
+
+    try {
+      final nextPage = state.page + 1;
+      final response = await _repository.getPartyLedger(
+        partyId: partyId,
+        page: nextPage,
+        duration: state.currentFilter,
+      );
+
+      state = state.copyWith(
+        transactions: [...state.transactions, ...response.data],
+        page: nextPage,
+        isLoadMoreRunning: false,
+        hasMoreData: response.currentPage < response.lastPage,
+      );
+    } catch (e) {
+      print('Error loading more ledger: $e');
+      state = state.copyWith(isLoadMoreRunning: false);
+    }
+  }
+
+  // Update filter (resets data and reloads)
+  void updateFilter(String newFilter) {
+    if (state.currentFilter == newFilter) return;
+
+    state = LedgerState(
+      currentFilter: newFilter,
+      isLoading: true,
+      transactions: [],
+      page: 0,
+      hasMoreData: true,
+      isLoadMoreRunning: false,
+    );
+
+    loadInitialData();
+  }
+}
+
+final partyLedgerProvider =
+    StateNotifierProvider.family.autoDispose<PartyLedgerNotifier, LedgerState, PartyLedgerFilterParam>(
+  (ref, input) => PartyLedgerNotifier(
+    partyId: input.partyId,
+    initialFilter: input.duration ?? '',
+  ),
+);
+
+// final partyLedgerProvider = StateNotifierProvider.family.autoDispose<PartyLedgerNotifier, LedgerState, String>(
+//   (ref, partyId) => PartyLedgerNotifier(partyId),
+// );