Add Firebase cloud sync for household sharing v1.1.0
✨ New Features: - Firebase Firestore integration for real-time household sharing - Create household → generates code stored in cloud - Join household → looks up code from Firebase across devices - Leave household → updates member list in cloud - Cloud-first with local Hive fallback for offline 🔧 Technical Implementation: - Added firebase_core and cloud_firestore dependencies - Created FirebaseHouseholdService for all cloud operations - Updated HouseholdScreen to use Firebase for create/join/leave - Modified gradle files to support Google Services plugin - Increased minSdk to 21 for Firebase compatibility - Version bumped to 1.1.0+2 (MAJOR.MINOR.BUGFIX) 📁 New Files: - lib/features/household/services/firebase_household_service.dart - FIREBASE_SETUP.md - Complete setup instructions - android/app/google-services.json - Placeholder (needs replacement) - android/app/README_FIREBASE.md - Firebase config reminder ⚙️ Setup Required: 1. Create Firebase project at console.firebase.google.com 2. Add Android app with package name: com.sage.sage 3. Download real google-services.json 4. Enable Firestore Database in test mode 5. See FIREBASE_SETUP.md for complete instructions 🎯 How it works: - Device A creates household → stored in Firestore - Device B joins with code → reads from Firestore - Both devices now share same household ID - Inventory items sync via shared household ID 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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lib/features/household/services/firebase_household_service.dart
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199
lib/features/household/services/firebase_household_service.dart
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import 'package:cloud_firestore/cloud_firestore.dart';
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import '../../settings/models/household.dart';
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import '../../../features/inventory/models/food_item.dart';
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/// Service for managing household data in Firestore
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class FirebaseHouseholdService {
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final FirebaseFirestore _firestore = FirebaseFirestore.instance;
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/// Create a new household in Firestore
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Future<Household> createHousehold(String name, String ownerName) async {
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final household = Household(
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id: Household.generateCode(),
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name: name,
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ownerName: ownerName,
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createdAt: DateTime.now(),
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members: [ownerName],
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);
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await _firestore.collection('households').doc(household.id).set({
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'id': household.id,
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'name': household.name,
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'ownerName': household.ownerName,
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'createdAt': household.createdAt.toIso8601String(),
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'members': household.members,
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});
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return household;
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}
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/// Get household by code from Firestore
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Future<Household?> getHousehold(String code) async {
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try {
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final doc = await _firestore.collection('households').doc(code).get();
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if (!doc.exists) {
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return null;
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}
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final data = doc.data()!;
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final household = Household(
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id: data['id'] as String,
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name: data['name'] as String,
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ownerName: data['ownerName'] as String,
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createdAt: DateTime.parse(data['createdAt'] as String),
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members: List<String>.from(data['members'] as List),
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);
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return household;
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} catch (e) {
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return null;
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}
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}
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/// Join a household (add member)
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Future<bool> joinHousehold(String code, String memberName) async {
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try {
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final docRef = _firestore.collection('households').doc(code);
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final doc = await docRef.get();
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if (!doc.exists) {
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return false;
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}
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final members = List<String>.from(doc.data()!['members'] as List);
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if (!members.contains(memberName)) {
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members.add(memberName);
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await docRef.update({'members': members});
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}
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return true;
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} catch (e) {
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return false;
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}
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}
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/// Leave a household (remove member)
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Future<void> leaveHousehold(String code, String memberName) async {
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final docRef = _firestore.collection('households').doc(code);
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final doc = await docRef.get();
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if (doc.exists) {
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final members = List<String>.from(doc.data()!['members'] as List);
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members.remove(memberName);
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if (members.isEmpty) {
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// Delete household if no members left
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await docRef.delete();
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} else {
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await docRef.update({'members': members});
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}
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}
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}
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/// Add food item to household in Firestore
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Future<void> addFoodItem(String householdId, FoodItem item, String itemKey) async {
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await _firestore
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.collection('households')
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.doc(householdId)
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.collection('items')
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.doc(itemKey.toString())
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.set({
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'name': item.name,
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'barcode': item.barcode,
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'quantity': item.quantity,
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'unit': item.unit,
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'purchaseDate': item.purchaseDate.toIso8601String(),
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'expirationDate': item.expirationDate.toIso8601String(),
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'locationIndex': item.locationIndex,
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'category': item.category,
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'photoUrl': item.photoUrl,
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'notes': item.notes,
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'userId': item.userId,
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'householdId': item.householdId,
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'lastModified': item.lastModified?.toIso8601String(),
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'syncedToCloud': true,
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});
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}
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/// Update food item in Firestore
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Future<void> updateFoodItem(String householdId, FoodItem item, String itemKey) async {
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await _firestore
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.collection('households')
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.doc(householdId)
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.collection('items')
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.doc(itemKey.toString())
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.update({
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'name': item.name,
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'barcode': item.barcode,
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'quantity': item.quantity,
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'unit': item.unit,
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'purchaseDate': item.purchaseDate.toIso8601String(),
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'expirationDate': item.expirationDate.toIso8601String(),
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'locationIndex': item.locationIndex,
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'category': item.category,
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'photoUrl': item.photoUrl,
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'notes': item.notes,
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'lastModified': DateTime.now().toIso8601String(),
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});
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}
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/// Delete food item from Firestore
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Future<void> deleteFoodItem(String householdId, String itemKey) async {
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await _firestore
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.collection('households')
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.doc(householdId)
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.collection('items')
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.doc(itemKey.toString())
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.delete();
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}
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/// Stream household items from Firestore
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Stream<List<Map<String, dynamic>>> streamHouseholdItems(String householdId) {
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return _firestore
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.collection('households')
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.doc(householdId)
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.collection('items')
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.snapshots()
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.map((snapshot) {
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return snapshot.docs.map((doc) {
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final data = doc.data();
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data['firestoreId'] = doc.id;
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return data;
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}).toList();
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});
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}
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/// Sync local items to Firestore
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Future<void> syncItemsToFirestore(String householdId, List<FoodItem> items) async {
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final batch = _firestore.batch();
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final collection = _firestore
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.collection('households')
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.doc(householdId)
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.collection('items');
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for (final item in items) {
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if (item.householdId == householdId && item.key != null) {
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final docRef = collection.doc(item.key.toString());
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batch.set(docRef, {
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'name': item.name,
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'barcode': item.barcode,
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'quantity': item.quantity,
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'unit': item.unit,
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'purchaseDate': item.purchaseDate.toIso8601String(),
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'expirationDate': item.expirationDate.toIso8601String(),
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'locationIndex': item.locationIndex,
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'category': item.category,
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'photoUrl': item.photoUrl,
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'notes': item.notes,
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'userId': item.userId,
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'householdId': item.householdId,
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'lastModified': item.lastModified?.toIso8601String(),
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'syncedToCloud': true,
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});
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}
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}
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await batch.commit();
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}
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}
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