Initial commit: Sage Kitchen Management App v1.0.0
✨ Features implemented: - Smart inventory tracking with Hive database - Barcode scanning with auto-populated product info - Multiple API fallbacks (Open Food Facts, UPCItemDB) - Smart expiration date predictions by category - Discord webhook notifications (persisted) - Custom sage leaf vector icon - Material Design 3 UI with sage green theme - Privacy Policy & Terms of Service - Local-first, privacy-focused architecture 🎨 UI/UX: - Home dashboard with inventory stats - Add Item screen with barcode integration - Inventory list with expiration indicators - Settings with persistent preferences - About section with legal docs 🔧 Technical: - Flutter 3.35.5 with Riverpod state management - Hive 2.2.3 for local database - Mobile scanner for barcode detection - Feature-first architecture 🤖 Generated with Claude Code (https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
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lib/features/inventory/services/barcode_service.dart
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185
lib/features/inventory/services/barcode_service.dart
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import 'dart:convert';
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import 'package:http/http.dart' as http;
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class BarcodeService {
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/// Lookup product info from barcode using multiple APIs
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static Future<ProductInfo?> lookupBarcode(String barcode) async {
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// Try Open Food Facts first (best for food)
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final openFoodResult = await _tryOpenFoodFacts(barcode);
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if (openFoodResult != null) return openFoodResult;
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// Try UPCItemDB (good for vitamins, supplements, general products)
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final upcItemDbResult = await _tryUPCItemDB(barcode);
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if (upcItemDbResult != null) return upcItemDbResult;
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return null;
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}
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/// Try Open Food Facts API
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static Future<ProductInfo?> _tryOpenFoodFacts(String barcode) async {
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try {
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final response = await http.get(
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Uri.parse('https://world.openfoodfacts.org/api/v0/product/$barcode.json'),
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);
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body);
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if (data['status'] == 1) {
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final product = data['product'];
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return ProductInfo(
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name: product['product_name'] ?? 'Unknown Product',
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category: _extractCategory(product),
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imageUrl: product['image_url'],
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);
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}
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}
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} catch (e) {
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print('Open Food Facts error: $e');
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}
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return null;
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}
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/// Try UPCItemDB API (no key needed for limited requests)
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static Future<ProductInfo?> _tryUPCItemDB(String barcode) async {
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try {
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final response = await http.get(
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Uri.parse('https://api.upcitemdb.com/prod/trial/lookup?upc=$barcode'),
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);
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body);
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if (data['items'] != null && data['items'].isNotEmpty) {
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final item = data['items'][0];
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return ProductInfo(
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name: item['title'] ?? 'Unknown Product',
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category: item['category'] ?? _guessCategoryFromTitle(item['title']),
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imageUrl: item['images']?[0],
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);
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}
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}
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} catch (e) {
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print('UPCItemDB error: $e');
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}
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return null;
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}
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/// Guess category from product title
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static String? _guessCategoryFromTitle(String? title) {
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if (title == null) return null;
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final titleLower = title.toLowerCase();
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if (titleLower.contains('vitamin') || titleLower.contains('supplement')) return 'Supplements';
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if (titleLower.contains('protein') || titleLower.contains('powder')) return 'Supplements';
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if (titleLower.contains('milk') || titleLower.contains('cheese')) return 'Dairy';
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if (titleLower.contains('sauce') || titleLower.contains('dressing')) return 'Condiments';
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if (titleLower.contains('drink') || titleLower.contains('beverage')) return 'Beverages';
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return null;
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}
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static String? _extractCategory(Map<String, dynamic> product) {
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// Try to get category from various fields
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if (product['categories'] != null && product['categories'].toString().isNotEmpty) {
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final categories = product['categories'].toString().split(',');
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if (categories.isNotEmpty) {
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return categories.first.trim();
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}
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}
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if (product['food_groups'] != null) {
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return product['food_groups'].toString();
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}
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return null;
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}
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/// Get smart expiration days based on category
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static int getSmartExpirationDays(String? category) {
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if (category == null) return 7; // Default 1 week
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final categoryLower = category.toLowerCase();
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// Dairy products
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if (categoryLower.contains('milk') ||
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categoryLower.contains('dairy') ||
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categoryLower.contains('yogurt') ||
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categoryLower.contains('cheese')) {
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return 7; // 1 week
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}
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// Meat and seafood
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if (categoryLower.contains('meat') ||
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categoryLower.contains('chicken') ||
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categoryLower.contains('beef') ||
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categoryLower.contains('pork') ||
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categoryLower.contains('fish') ||
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categoryLower.contains('seafood')) {
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return 3; // 3 days
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}
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// Produce
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if (categoryLower.contains('fruit') ||
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categoryLower.contains('vegetable') ||
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categoryLower.contains('produce')) {
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return 5; // 5 days
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}
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// Beverages
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if (categoryLower.contains('beverage') ||
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categoryLower.contains('drink') ||
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categoryLower.contains('juice') ||
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categoryLower.contains('soda')) {
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return 30; // 30 days
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}
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// Condiments and sauces
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if (categoryLower.contains('sauce') ||
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categoryLower.contains('condiment') ||
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categoryLower.contains('dressing') ||
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categoryLower.contains('ketchup') ||
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categoryLower.contains('mustard')) {
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return 90; // 3 months
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}
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// Canned/packaged goods
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if (categoryLower.contains('canned') ||
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categoryLower.contains('packaged') ||
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categoryLower.contains('snack')) {
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return 180; // 6 months
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}
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// Bread and bakery
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if (categoryLower.contains('bread') ||
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categoryLower.contains('bakery') ||
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categoryLower.contains('pastry')) {
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return 5; // 5 days
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}
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// Supplements and vitamins
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if (categoryLower.contains('supplement') ||
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categoryLower.contains('vitamin') ||
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categoryLower.contains('protein') ||
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categoryLower.contains('pill')) {
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return 365; // 1 year
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}
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return 7; // Default 1 week
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}
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}
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class ProductInfo {
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final String name;
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final String? category;
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final String? imageUrl;
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ProductInfo({
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required this.name,
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this.category,
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this.imageUrl,
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});
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}
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